Java tutorial
/* * Copyright (C) 2011 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.ex.chips; import android.annotation.SuppressLint; import android.annotation.TargetApi; import android.app.Dialog; import android.content.ClipData; import android.content.ClipDescription; import android.content.ClipboardManager; import android.content.Context; import android.content.DialogInterface; import android.content.DialogInterface.OnDismissListener; import android.content.res.Resources; import android.content.res.TypedArray; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Matrix; import android.graphics.Rect; import android.graphics.RectF; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.os.AsyncTask; import android.os.Build; import android.os.Handler; import android.os.Looper; import android.os.Message; import android.os.Parcelable; import android.support.v4.content.ContextCompat; import android.text.Editable; import android.text.InputType; import android.text.Layout; import android.text.Spannable; import android.text.SpannableString; import android.text.SpannableStringBuilder; import android.text.Spanned; import android.text.TextPaint; import android.text.TextUtils; import android.text.TextWatcher; import android.text.method.QwertyKeyListener; import android.text.style.ImageSpan; import android.text.util.Rfc822Token; import android.text.util.Rfc822Tokenizer; import android.util.AttributeSet; import android.util.Log; import android.util.TypedValue; import android.view.ActionMode; import android.view.ActionMode.Callback; import android.view.GestureDetector; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewParent; import android.view.inputmethod.EditorInfo; import android.view.inputmethod.InputConnection; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.Button; import android.widget.Filterable; import android.widget.ListAdapter; import android.widget.MultiAutoCompleteTextView; import android.widget.ScrollView; import android.widget.TextView; import com.android.ex.chips.recipientchip.DrawableRecipientChip; import com.android.ex.chips.recipientchip.InvisibleRecipientChip; import com.android.ex.chips.recipientchip.VisibleRecipientChip; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.Comparator; import java.util.EnumSet; import java.util.HashSet; import java.util.List; import java.util.Set; import java.util.regex.Matcher; import java.util.regex.Pattern; //import android.widget.ListPopupWindow; /** * RecipientEditTextView is an auto complete text view for use with applications that use the new Chips UI for * addressing a message to recipients. */ public class RecipientEditTextView extends MultiAutoCompleteTextView implements Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, TextView.OnEditorActionListener { /** max pixels till touching up/down out of the initial touch coordinate is considered as scrolling */ private static final int SCROLLING_BOUNDS_THRESHOLD_IN_PIXELS = 2; /** * This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before parens, so numbers such * as "1 (425) 222-2342" match. */ private static final Pattern PHONE_PATTERN = Pattern.compile( // sdd = space, dot, or dash "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> private static final char COMMIT_CHAR_COMMA = ','; private static final char COMMIT_CHAR_SEMICOLON = ';'; private static final char COMMIT_CHAR_SPACE = ' '; private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) + String.valueOf(COMMIT_CHAR_SPACE); private static final String TAG = "RecipientEditTextView"; private static final int DISMISS = "dismiss".hashCode(); private static final long DISMISS_DELAY = 300; // TODO: get correct number/ algorithm from with UX. // Visible for testing. /* package */static final int CHIP_LIMIT = 50; private static final int MAX_CHIPS_PARSED = 50; private static int sSelectedTextColor = -1; // Resources for displaying chips. private Drawable mChipBackground = null; private Drawable mChipDelete = null; private Drawable mInvalidChipBackground; private Drawable mChipBackgroundPressed; private float mChipHeight; private float mChipFontSize; private float mLineSpacingExtra; private int mChipPadding; private Tokenizer mTokenizer; private Validator mValidator; private DrawableRecipientChip mSelectedChip; private int mAlternatesLayout; private Bitmap mDefaultContactPhoto; private ImageSpan mMoreChip; private TextView mMoreItem; // VisibleForTesting private final ArrayList<String> mPendingChips = new ArrayList<String>(); private final Handler mHandler; private int mPendingChipsCount = 0; private boolean mNoChips = false; //private ListPopupWindow mAlternatesPopup,mAddressPopup; // VisibleForTesting private ArrayList<DrawableRecipientChip> mTemporaryRecipients; private ArrayList<DrawableRecipientChip> mRemovedSpans; private boolean mShouldShrink = true; // Chip copy fields. private GestureDetector mGestureDetector; private final Dialog mCopyDialog; private String mCopyAddress; ////** Used with {@link #}. Handles clicks to alternate addresses for a selected // chip. */ private OnItemClickListener mAlternatesListener; private int mCheckedItem; private TextWatcher mTextWatcher; /** * Obtain the enclosing scroll view, if it exists, so that the view can be scrolled to show the last line of chips * content. */ private ScrollView mScrollView; private boolean mTriedGettingScrollView; private int mMaxLines; private static int sExcessTopPadding = -1; private int mActionBarHeight; private boolean mAttachedToWindow; private final Runnable mAddTextWatcher; private final Runnable mHandlePendingChips; private final Runnable mDelayedShrink; private IndividualReplacementTask mIndividualReplacements; private IChipListener mChipListener; private int mPreviousChipsCount = 0; private final EnumSet<FocusBehavior> mFocusBehavior = EnumSet.allOf(FocusBehavior.class); /** used to store initial touch Y coordinate, in order to identify scrolling */ private int mStartTouchY = -1; private boolean mIsScrolling = false; public enum FocusBehavior { SHRINK_WHEN_LOST_FOCUS, EXPAND_WHEN_GOT_FOCUS } public interface IChipListener { void onDataChanged(); } public RecipientEditTextView(final Context context, final AttributeSet attrs) { super(context, attrs); mAddTextWatcher = new Runnable() { @Override public void run() { if (mTextWatcher == null) { mTextWatcher = new RecipientTextWatcher(); addTextChangedListener(mTextWatcher); } } }; mDelayedShrink = new Runnable() { @Override public void run() { shrink(); } }; mHandlePendingChips = new Runnable() { @Override public void run() { handlePendingChips(); } }; setChipDimensions(context, attrs); if (sSelectedTextColor == -1) sSelectedTextColor = ContextCompat.getColor(context, android.R.color.white); /*mAlternatesPopup=new ListPopupWindow(context); mAddressPopup=new ListPopupWindow(context);*/ mCopyDialog = new Dialog(context); mAlternatesListener = new OnItemClickListener() { @Override public void onItemClick(final AdapterView<?> adapterView, final View view, final int position, final long rowId) { //mAlternatesPopup.setOnItemClickListener(null); replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()).getRecipientEntry(position)); final Message delayed = Message.obtain(mHandler, DISMISS); //delayed.obj=mAlternatesPopup; mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); clearComposingText(); } }; setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); setOnItemClickListener(null); setCustomSelectionActionModeCallback(this); mHandler = new Handler() { @Override public void handleMessage(final Message msg) { if (msg.what == DISMISS) { //((ListPopupWindow)msg.obj).dismiss(); return; } super.handleMessage(msg); } }; mTextWatcher = new RecipientTextWatcher(); addTextChangedListener(mTextWatcher); mGestureDetector = new GestureDetector(context, this); setOnEditorActionListener(this); } @Override public void setOnItemClickListener(final OnItemClickListener listener) { super.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(final AdapterView<?> parent, final View view, final int position, final long id) { /** * When an item in the suggestions list has been clicked, create a chip from the contact information of * the selected item. */ if (position < 0) return; submitItemAtPosition(position); if (listener != null) listener.onItemClick(parent, view, position, id); } }); } @Override protected void onDetachedFromWindow() { mAttachedToWindow = false; super.onDetachedFromWindow(); } @SuppressLint("MissingSuperCall") @Override protected void onAttachedToWindow() { mAttachedToWindow = true; } @Override public boolean onEditorAction(final TextView view, final int action, final KeyEvent keyEvent) { if (action == EditorInfo.IME_ACTION_DONE) { if (commitDefault()) return true; if (mSelectedChip != null) { clearSelectedChip(); return true; } else if (focusNext()) return true; } return false; } @Override public InputConnection onCreateInputConnection(final EditorInfo outAttrs) { final InputConnection connection = super.onCreateInputConnection(outAttrs); final int imeActions = outAttrs.imeOptions & EditorInfo.IME_MASK_ACTION; if ((imeActions & EditorInfo.IME_ACTION_DONE) != 0) { // clear the existing action outAttrs.imeOptions ^= imeActions; // set the DONE action outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; } if ((outAttrs.imeOptions & EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; outAttrs.actionId = EditorInfo.IME_ACTION_DONE; outAttrs.actionLabel = getContext().getString(R.string.done); return connection; } /* package */DrawableRecipientChip getLastChip() { DrawableRecipientChip last = null; final DrawableRecipientChip[] chips = getSortedRecipients(); if (chips != null && chips.length > 0) last = chips[chips.length - 1]; return last; } @Override public void onSelectionChanged(final int start, final int end) { // When selection changes, see if it is inside the chips area. // If so, move the cursor back after the chips again. final DrawableRecipientChip last = getLastChip(); if (last != null && start < getSpannable().getSpanEnd(last)) // Grab the last chip and set the cursor to after it. setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); super.onSelectionChanged(start, end); } @Override public void onRestoreInstanceState(final Parcelable state) { if (!TextUtils.isEmpty(getText())) super.onRestoreInstanceState(null); else super.onRestoreInstanceState(state); } @Override public Parcelable onSaveInstanceState() { // If the user changes orientation while they are editing, just roll back the selection. clearSelectedChip(); return super.onSaveInstanceState(); } /** * Convenience method: Append the specified text slice to the TextView's display buffer, upgrading it to * BufferType.EDITABLE if it was not already editable. Commas are excluded as they are added automatically by the * view. */ @Override public void append(final CharSequence text, final int start, final int end) { // We don't care about watching text changes while appending. if (mTextWatcher != null) removeTextChangedListener(mTextWatcher); super.append(text, start, end); if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { String displayString = text.toString(); if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { // We have no separator, so we should add it super.append(SEPARATOR, 0, SEPARATOR.length()); displayString += SEPARATOR; } if (!TextUtils.isEmpty(displayString) && TextUtils.getTrimmedLength(displayString) > 0) { mPendingChipsCount++; mPendingChips.add(displayString); } } // Put a message on the queue to make sure we ALWAYS handle pending // chips. if (mPendingChipsCount > 0) postHandlePendingChips(); mHandler.post(mAddTextWatcher); } @Override public void onFocusChanged(final boolean hasFocus, final int direction, final Rect previous) { super.onFocusChanged(hasFocus, direction, previous); if (!hasFocus) { if (mFocusBehavior.contains(FocusBehavior.SHRINK_WHEN_LOST_FOCUS)) shrink(); } else if (mFocusBehavior.contains(FocusBehavior.EXPAND_WHEN_GOT_FOCUS)) expand(); } private int getExcessTopPadding() { if (sExcessTopPadding == -1) sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); return sExcessTopPadding; } @Override public <T extends ListAdapter & Filterable> void setAdapter(final T adapter) { super.setAdapter(adapter); ((BaseRecipientAdapter) adapter).registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { @Override public void onChanged(final List<RecipientEntry> entries) { // Scroll the chips field to the top of the screen so // that the user can see as many results as possible. if (entries != null && entries.size() > 0) scrollBottomIntoView(); } }); } private void scrollBottomIntoView() { if (mScrollView != null && mShouldShrink) { final int[] location = new int[2]; getLocationOnScreen(location); final int height = getHeight(); final int currentPos = location[1] + height; // Desired position shows at least 1 line of chips below the action // bar. We add excess padding to make sure this is always below other // content. final int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); if (currentPos > desiredPos) mScrollView.scrollBy(0, currentPos - desiredPos); } } @Override public void performValidation() { // Do nothing. Chips handles its own validation. } private void shrink() { if (mTokenizer == null) return; final long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT && !isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT) clearSelectedChip(); else { if (getWidth() <= 0) { // We don't have the width yet which means the view hasn't been drawn yet // and there is no reason to attempt to commit chips yet. // This focus lost must be the result of an orientation change // or an initial rendering. // Re-post the shrink for later. mHandler.removeCallbacks(mDelayedShrink); mHandler.post(mDelayedShrink); return; } // Reset any pending chips as they would have been handled // when the field lost focus. if (mPendingChipsCount > 0) postHandlePendingChips(); else { final Editable editable = getText(); final int end = getSelectionEnd(); final int start = mTokenizer.findTokenStart(editable, end); final DrawableRecipientChip[] chips = getSpannable().getSpans(start, end, DrawableRecipientChip.class); if (chips == null || chips.length == 0 && start >= 0) { final Editable text = getText(); // TODO check why this code can crash (index out of bounds). Currently fixed by checking that // start>=0 int whatEnd = mTokenizer.findTokenEnd(text, start); // This token was already tokenized, so skip past the ending token. if (whatEnd < text.length() && text.charAt(whatEnd) == ',') whatEnd = movePastTerminators(whatEnd); // In the middle of chip; treat this as an edit // and commit the whole token. final int selEnd = getSelectionEnd(); if (whatEnd != selEnd) handleEdit(start, whatEnd); else commitChip(start, end, editable); } } mHandler.post(mAddTextWatcher); } createMoreChip(); } private void expand() { if (mShouldShrink) setMaxLines(Integer.MAX_VALUE); removeMoreChip(); setCursorVisible(true); final Editable text = getText(); setSelection(text != null && text.length() > 0 ? text.length() : 0); // If there are any temporary chips, try replacing them now that the user // has expanded the field. if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { new RecipientReplacementTask().execute(); mTemporaryRecipients = null; } } private CharSequence ellipsizeText(final CharSequence text, final TextPaint paint, final float maxWidth) { paint.setTextSize(mChipFontSize); if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) Log.d(TAG, "Max width is negative: " + maxWidth); final CharSequence ellipsize = TextUtils.ellipsize(text, paint, maxWidth, TextUtils.TruncateAt.END); return ellipsize; } private Bitmap createSelectedChip(final RecipientEntry contact, final TextPaint paint) { // Ellipsize the text so that it takes AT MOST the entire width of the // autocomplete text entry area. Make sure to leave space for padding // on the sides. final int height = (int) mChipHeight; final int deleteWidth = height; final float[] widths = new float[1]; paint.getTextWidths(" ", widths); final String createChipDisplayText = createChipDisplayText(contact); final float calculateAvailableWidth = calculateAvailableWidth(); final CharSequence ellipsizedText = ellipsizeText(createChipDisplayText, paint, calculateAvailableWidth - deleteWidth - widths[0]); // Make sure there is a minimum chip width so the user can ALWAYS // tap a chip without difficulty. final int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, ellipsizedText.length())) + mChipPadding * 2 + deleteWidth); // Create the background of the chip. final Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); final Canvas canvas = new Canvas(tmpBitmap); if (mChipBackgroundPressed != null) { mChipBackgroundPressed.setBounds(0, 0, width, height); mChipBackgroundPressed.draw(canvas); paint.setColor(sSelectedTextColor); // Vertically center the text in the chip. canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, getTextYOffset((String) ellipsizedText, paint, height), paint); // Make the delete a square. final Rect backgroundPadding = new Rect(); mChipBackgroundPressed.getPadding(backgroundPadding); mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 0 + backgroundPadding.top, width - backgroundPadding.right, height - backgroundPadding.bottom); mChipDelete.draw(canvas); } else Log.w(TAG, "Unable to draw a background for the chips as it was never set"); return tmpBitmap; } private Bitmap createUnselectedChip(final RecipientEntry contact, final TextPaint paint, final boolean leaveBlankIconSpacer) { // Ellipsize the text so that it takes AT MOST the entire width of the // autocomplete text entry area. Make sure to leave space for padding // on the sides. final int height = (int) mChipHeight; int iconWidth = height; final float[] widths = new float[1]; paint.getTextWidths(" ", widths); final float availableWidth = calculateAvailableWidth(); final String chipDisplayText = createChipDisplayText(contact); final CharSequence ellipsizedText = ellipsizeText(chipDisplayText, paint, availableWidth - iconWidth - widths[0]); // Make sure there is a minimum chip width so the user can ALWAYS // tap a chip without difficulty. final int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, ellipsizedText.length())) + mChipPadding * 2 + iconWidth); // Create the background of the chip. final Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); final Canvas canvas = new Canvas(tmpBitmap); final Drawable background = getChipBackground(contact); if (background != null) { background.setBounds(0, 0, width, height); background.draw(canvas); // Don't draw photos for recipients that have been typed in OR generated on the fly. final long contactId = contact.getContactId(); final boolean drawPhotos = isPhoneQuery() ? contactId != RecipientEntry.INVALID_CONTACT : contactId != RecipientEntry.INVALID_CONTACT && contactId != RecipientEntry.GENERATED_CONTACT && !TextUtils.isEmpty(contact.getDisplayName()); if (drawPhotos) { byte[] photoBytes = contact.getPhotoBytes(); // There may not be a photo yet if anything but the first contact address // was selected. if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { // TODO: cache this in the recipient entry? getAdapter().fetchPhoto(contact, contact.getPhotoThumbnailUri()); photoBytes = contact.getPhotoBytes(); } Bitmap photo; if (photoBytes != null) photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); else // TODO: can the scaled down default photo be cached? photo = mDefaultContactPhoto; // Draw the photo on the left side. if (photo != null) { final RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); final Rect backgroundPadding = new Rect(); mChipBackground.getPadding(backgroundPadding); final RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 0 + backgroundPadding.top, width - backgroundPadding.right, height - backgroundPadding.bottom); final Matrix matrix = new Matrix(); matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); canvas.drawBitmap(photo, matrix, paint); } } else if (!leaveBlankIconSpacer || isPhoneQuery()) iconWidth = 0; paint.setColor(ContextCompat.getColor(getContext(), android.R.color.black)); // Vertically center the text in the chip. canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, getTextYOffset((String) ellipsizedText, paint, height), paint); } else Log.w(TAG, "Unable to draw a background for the chips as it was never set"); return tmpBitmap; } /** * Get the background drawable for a RecipientChip. */ // Visible for testing. /* package */Drawable getChipBackground(final RecipientEntry contact) { return contact.isValid() ? mChipBackground : mInvalidChipBackground; } private static float getTextYOffset(final String text, final TextPaint paint, final int height) { final Rect bounds = new Rect(); paint.getTextBounds(text, 0, text.length(), bounds); final int textHeight = bounds.bottom - bounds.top; return height - (height - textHeight) / 2 - (int) paint.descent(); } private DrawableRecipientChip constructChipSpan(final RecipientEntry contact, final boolean pressed, final boolean leaveIconSpace) throws NullPointerException { if (mChipBackground == null) throw new NullPointerException("Unable to render any chips as setChipDimensions was not called."); final TextPaint paint = getPaint(); final float defaultSize = paint.getTextSize(); final int defaultColor = paint.getColor(); Bitmap tmpBitmap; if (pressed) tmpBitmap = createSelectedChip(contact, paint); else tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); // Pass the full text, un-ellipsized, to the chip. final Drawable result = new BitmapDrawable(getResources(), tmpBitmap); result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); final DrawableRecipientChip recipientChip = new VisibleRecipientChip(result, contact); // Return text to the original size. paint.setTextSize(defaultSize); paint.setColor(defaultColor); return recipientChip; } /** * Calculate the bottom of the line the chip will be located on using: 1) which line the chip appears on 2) the * height of a chip 3) padding built into the edit text view */ private int calculateOffsetFromBottom(final int line) { // Line offsets start at zero. final int actualLine = getLineCount() - (line + 1); return -(actualLine * (int) mChipHeight + getPaddingBottom() + getPaddingTop()) + getDropDownVerticalOffset(); } /** * Get the max amount of space a chip can take up. The formula takes into account the width of the EditTextView, any * view padding, and padding that will be added to the chip. */ private float calculateAvailableWidth() { return getWidth() - getPaddingLeft() - getPaddingRight() - mChipPadding * 2; } private void setChipDimensions(final Context context, final AttributeSet attrs) { final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 0); final Resources r = getContext().getResources(); mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); if (mChipBackground == null) mChipBackground = ContextCompat.getDrawable(context, R.drawable.circle_background_chips); mChipBackgroundPressed = a.getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); if (mChipBackgroundPressed == null) mChipBackgroundPressed = ContextCompat.getDrawable(context, R.drawable.chip_background_selected); mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); if (mChipDelete == null) mChipDelete = ContextCompat.getDrawable(context, R.drawable.chip_delete); mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); if (mChipPadding == -1) mChipPadding = (int) r.getDimension(R.dimen.chip_padding); mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, -1); if (mAlternatesLayout == -1) mAlternatesLayout = R.layout.chips_alternate_item; mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); if (mChipHeight == -1) mChipHeight = r.getDimension(R.dimen.chip_height); mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); if (mChipFontSize == -1) mChipFontSize = r.getDimension(R.dimen.chip_text_size); mInvalidChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); if (mInvalidChipBackground == null) mInvalidChipBackground = ContextCompat.getDrawable(context, R.drawable.chip_background_invalid); mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); mMaxLines = r.getInteger(R.integer.chips_max_lines); final TypedValue tv = new TypedValue(); if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources().getDisplayMetrics()); a.recycle(); } // Visible for testing. /* package */void setMoreItem(final TextView moreItem) { mMoreItem = moreItem; } // Visible for testing. /* package */void setChipBackground(final Drawable chipBackground) { mChipBackground = chipBackground; } // Visible for testing. /* package */void setChipHeight(final int height) { mChipHeight = height; } /** * Set whether to shrink the recipients field such that at most one line of recipients chips are shown when the * field loses focus. By default, the number of displayed recipients will be limited and a "more" chip will be shown * when focus is lost. * * @param shrink */ public void setOnFocusListShrinkRecipients(final boolean shrink) { mShouldShrink = shrink; } @Override public void onSizeChanged(final int width, final int height, final int oldw, final int oldh) { super.onSizeChanged(width, height, oldw, oldh); if (width != 0 && height != 0) if (mPendingChipsCount > 0) postHandlePendingChips(); else checkChipWidths(); // Try to find the scroll view parent, if it exists. if (mScrollView == null && !mTriedGettingScrollView) { ViewParent parent = getParent(); while (parent != null && !(parent instanceof ScrollView)) parent = parent.getParent(); if (parent != null) mScrollView = (ScrollView) parent; mTriedGettingScrollView = true; } } private void postHandlePendingChips() { mHandler.removeCallbacks(mHandlePendingChips); mHandler.post(mHandlePendingChips); } private void checkChipWidths() { // Check the widths of the associated chips. final DrawableRecipientChip[] chips = getSortedRecipients(); if (chips != null) { Rect bounds; for (final DrawableRecipientChip chip : chips) { bounds = chip.getBounds(); if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) // Need to redraw that chip. replaceChip(chip, chip.getEntry()); } } } // Visible for testing. /* package */void handlePendingChips() { if (getViewWidth() <= 0) // The widget has not been sized yet. // This will be called as a result of onSizeChanged // at a later point. return; if (mPendingChipsCount <= 0) return; synchronized (mPendingChips) { final Editable editable = getText(); // Tokenize! if (mPendingChipsCount <= MAX_CHIPS_PARSED) { for (int i = 0; i < mPendingChips.size(); i++) { final String current = mPendingChips.get(i); final int tokenStart = editable.toString().indexOf(current); // Always leave a space at the end between tokens. int tokenEnd = tokenStart + current.length() - 1; if (tokenStart >= 0) { // When we have a valid token, include it with the token // to the left. if (tokenEnd < editable.length() - 2 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) tokenEnd++; createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT || !mShouldShrink); } mPendingChipsCount--; } sanitizeEnd(); } else mNoChips = true; if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { new RecipientReplacementTask().execute(); mTemporaryRecipients = null; } else { // Create the "more" chip mIndividualReplacements = new IndividualReplacementTask(); mIndividualReplacements.execute(new ArrayList<>(mTemporaryRecipients.subList(0, CHIP_LIMIT))); if (mTemporaryRecipients.size() > CHIP_LIMIT) mTemporaryRecipients = new ArrayList<>( mTemporaryRecipients.subList(CHIP_LIMIT, mTemporaryRecipients.size())); else mTemporaryRecipients = null; createMoreChip(); } } else { // There are too many recipients to look up, so just fall back // to showing addresses for all of them. mTemporaryRecipients = null; createMoreChip(); } mPendingChipsCount = 0; mPendingChips.clear(); } } // Visible for testing. /* package */int getViewWidth() { return getWidth(); } /** * Remove any characters after the last valid chip. */ // Visible for testing. /* package */void sanitizeEnd() { // Don't sanitize while we are waiting for pending chips to complete. if (mPendingChipsCount > 0) return; // Find the last chip; eliminate any commit characters after it. final DrawableRecipientChip[] chips = getSortedRecipients(); final Spannable spannable = getSpannable(); if (chips != null && chips.length > 0) { int end; mMoreChip = getMoreChip(); if (mMoreChip != null) end = spannable.getSpanEnd(mMoreChip); else end = getSpannable().getSpanEnd(getLastChip()); final Editable editable = getText(); final int length = editable.length(); if (length > end) { // See what characters occur after that and eliminate them. if (Log.isLoggable(TAG, Log.DEBUG)) Log.d(TAG, "There were extra characters after the last tokenizable entry." + editable); editable.delete(end + 1, length); } } } /** * Create a chip that represents just the email address of a recipient. At some later point, this chip will be * attached to a real contact entry, if one exists. */ // VisibleForTesting void createReplacementChip(final int tokenStart, final int tokenEnd, final Editable editable, final boolean visible) { if (alreadyHasChip(tokenStart, tokenEnd)) // There is already a chip present at this location. // Don't recreate it. return; String token = editable.toString().substring(tokenStart, tokenEnd); final String trimmedToken = token.trim(); final int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) token = trimmedToken.substring(0, trimmedToken.length() - 1); final RecipientEntry entry = createTokenizedEntry(token); if (entry != null) { DrawableRecipientChip chip = null; try { if (!mNoChips) { /* * leave space for the contact icon if this is not just an email address */ final boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) || TextUtils.equals(entry.getDisplayName(), entry.getDestination()); chip = visible ? constructChipSpan(entry, false, leaveSpace) : new InvisibleRecipientChip(entry); } } catch (final NullPointerException e) { Log.e(TAG, e.getMessage(), e); } editable.setSpan(chip, tokenStart, tokenEnd, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); // Add this chip to the list of entries "to replace" if (chip != null) { if (mTemporaryRecipients == null) mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); chip.setOriginalText(token); mTemporaryRecipients.add(chip); } } } private static boolean isPhoneNumber(final String number) { // TODO: replace this function with libphonenumber's isPossibleNumber (see // PhoneNumberUtil). One complication is that it requires the sender's region which // comes from the CurrentCountryIso. For now, let's just do this simple match. if (TextUtils.isEmpty(number)) return false; final Matcher match = PHONE_PATTERN.matcher(number); return match.matches(); } // VisibleForTesting RecipientEntry createTokenizedEntry(final String token) { if (TextUtils.isEmpty(token)) return null; if (isPhoneQuery() && isPhoneNumber(token)) return RecipientEntry.constructFakePhoneEntry(token, true); final Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); String display = null; boolean isValid = isValid(token); if (isValid && tokens != null && tokens.length > 0) { // If we can get a name from tokenizing, then generate an entry from // this. display = tokens[0].getName(); if (!TextUtils.isEmpty(display)) return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), isValid); else { display = tokens[0].getAddress(); if (!TextUtils.isEmpty(display)) return RecipientEntry.constructFakeEntry(display, isValid); } } // Unable to validate the token or to create a valid token from it. // Just create a chip the user can edit. String validatedToken = null; if (mValidator != null && !isValid) { // Try fixing up the entry using the validator. validatedToken = mValidator.fixText(token).toString(); if (!TextUtils.isEmpty(validatedToken)) if (validatedToken.contains(token)) { // protect against the case of a validator with a null // domain, // which doesn't add a domain to the token final Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); if (tokenized.length > 0) { validatedToken = tokenized[0].getAddress(); isValid = true; } } else { // We ran into a case where the token was invalid and // removed // by the validator. In this case, just use the original // token // and let the user sort out the error chip. validatedToken = null; isValid = false; } } // Otherwise, fallback to just creating an editable email address chip. return RecipientEntry.constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); } private boolean isValid(final String text) { return mValidator == null ? true : mValidator.isValid(text); } private static String tokenizeAddress(final String destination) { final Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); if (tokens != null && tokens.length > 0) return tokens[0].getAddress(); return destination; } @Override public void setTokenizer(final Tokenizer tokenizer) { mTokenizer = tokenizer; super.setTokenizer(mTokenizer); } @Override public void setValidator(final Validator validator) { mValidator = validator; super.setValidator(validator); } /** * We cannot use the default mechanism for replaceText. Instead, we override onItemClickListener so we can get all * the associated contact information including display text, address, and id. */ @Override protected void replaceText(final CharSequence text) { return; } /** * Dismiss any selected chips when the back key is pressed. */ @Override public boolean onKeyPreIme(final int keyCode, final KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { clearSelectedChip(); return true; } return super.onKeyPreIme(keyCode, event); } /** * Monitor key presses in this view to see if the user types any commit keys, which consist of ENTER, TAB, or * DPAD_CENTER. If the user has entered text that has contact matches and types a commit key, create a chip from the * topmost matching contact. If the user has entered text that has no contact matches and types a commit key, then * create a chip from the text they have entered. */ @Override public boolean onKeyUp(final int keyCode, final KeyEvent event) { switch (keyCode) { case KeyEvent.KEYCODE_TAB: if (event.hasNoModifiers()) if (mSelectedChip != null) clearSelectedChip(); else commitDefault(); break; } return super.onKeyUp(keyCode, event); } private boolean focusNext() { final View next = focusSearch(View.FOCUS_DOWN); if (next != null) { next.requestFocus(); return true; } return false; } /** * Create a chip from the default selection. If the popup is showing, the default is the first item in the popup * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the the tokenizer should * search for a token to turn into a chip. * * @return If a chip was created from a real contact. */ private boolean commitDefault() { // If there is no tokenizer, don't try to commit. if (mTokenizer == null) return false; final Editable editable = getText(); final int end = getSelectionEnd(); final int start = mTokenizer.findTokenStart(editable, end); if (shouldCreateChip(start, end)) { int whatEnd = mTokenizer.findTokenEnd(getText(), start); // In the middle of chip; treat this as an edit // and commit the whole token. whatEnd = movePastTerminators(whatEnd); if (whatEnd != getSelectionEnd()) { handleEdit(start, whatEnd); return true; } return commitChip(start, end, editable); } return false; } private void commitByCharacter() { // We can't possibly commit by character if we can't tokenize. if (mTokenizer == null) return; final Editable editable = getText(); final int end = getSelectionEnd(); final int start = mTokenizer.findTokenStart(editable, end); if (shouldCreateChip(start, end)) commitChip(start, end, editable); setSelection(getText().length()); } private boolean commitChip(final int start, final int end, final Editable editable) { final ListAdapter adapter = getAdapter(); if (adapter != null && adapter.getCount() > 0 && enoughToFilter() && end == getSelectionEnd() && !isPhoneQuery()) { // choose the first entry. submitItemAtPosition(0); dismissDropDown(); return true; } else { int tokenEnd = mTokenizer.findTokenEnd(editable, start); if (editable.length() > tokenEnd + 1) { final char charAt = editable.charAt(tokenEnd + 1); if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON || charAt == COMMIT_CHAR_SPACE) //// ---- Added by shreyash tokenEnd++; } //----------------------- final String text = editable.toString().substring(start, tokenEnd).trim(); clearComposingText(); if (text != null && text.length() > 0 && !text.equals(" ")) { final RecipientEntry entry = createTokenizedEntry(text); if (entry != null) { QwertyKeyListener.markAsReplaced(editable, start, end, ""); final CharSequence chipText = createChip(entry, false); if (chipText != null && start > -1 && end > -1) editable.replace(start, end, chipText); } // Only dismiss the dropdown if it is related to the text we // just committed. // For paste, it may not be as there are possibly multiple // tokens being added. if (end == getSelectionEnd()) dismissDropDown(); sanitizeBetween(); return true; } } return false; } // Visible for testing. /* package */void sanitizeBetween() { // Don't sanitize while we are waiting for content to chipify. if (mPendingChipsCount > 0) return; // Find the last chip. final DrawableRecipientChip[] recips = getSortedRecipients(); if (recips != null && recips.length > 0) { final DrawableRecipientChip last = recips[recips.length - 1]; DrawableRecipientChip beforeLast = null; if (recips.length > 1) beforeLast = recips[recips.length - 2]; int startLooking = 0; final int end = getSpannable().getSpanStart(last); if (beforeLast != null) { startLooking = getSpannable().getSpanEnd(beforeLast); final Editable text = getText(); if (startLooking == -1 || startLooking > text.length() - 1) // There is nothing after this chip. return; if (text.charAt(startLooking) == ' ') startLooking++; } if (startLooking >= 0 && end >= 0 && startLooking < end) getText().delete(startLooking, end); } } private boolean shouldCreateChip(final int start, final int end) { return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); } private boolean alreadyHasChip(final int start, final int end) { if (mNoChips) return true; final DrawableRecipientChip[] chips = getSpannable().getSpans(start, end, DrawableRecipientChip.class); if (chips == null || chips.length == 0) return false; return true; } private void handleEdit(final int start, final int end) { if (start == -1 || end == -1) { // This chip no longer exists in the field. dismissDropDown(); return; } // This is in the middle of a chip, so select out the whole chip // and commit it. final Editable editable = getText(); setSelection(end); final String text = getText().toString().substring(start, end); if (!TextUtils.isEmpty(text)) { final RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); QwertyKeyListener.markAsReplaced(editable, start, end, ""); final CharSequence chipText = createChip(entry, false); final int selEnd = getSelectionEnd(); if (chipText != null && start > -1 && selEnd > -1) editable.replace(start, selEnd, chipText); } dismissDropDown(); } /** * If there is a selected chip, delegate the key events to the selected chip. */ @Override public boolean onKeyDown(final int keyCode, final KeyEvent event) { if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { /*if(mAlternatesPopup!=null&&mAlternatesPopup.isShowing()) mAlternatesPopup.dismiss();*/ removeChip(mSelectedChip, true); } switch (keyCode) { case KeyEvent.KEYCODE_ENTER: case KeyEvent.KEYCODE_DPAD_CENTER: if (event.hasNoModifiers()) { if (commitDefault()) return true; if (mSelectedChip != null) { clearSelectedChip(); return true; } else if (focusNext()) return true; } break; } return super.onKeyDown(keyCode, event); } // Visible for testing. /* package */Spannable getSpannable() { return getText(); } private int getChipStart(final DrawableRecipientChip chip) { return getSpannable().getSpanStart(chip); } private int getChipEnd(final DrawableRecipientChip chip) { return getSpannable().getSpanEnd(chip); } /** * Instead of filtering on the entire contents of the edit box, this subclass method filters on the range from {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} if the length of that range meets or exceeds {@link #getThreshold} and makes sure that the range is not already a Chip. */ @Override protected void performFiltering(final CharSequence text, final int keyCode) { final boolean isCompletedToken = isCompletedToken(text); if (enoughToFilter() && !isCompletedToken) { final int end = getSelectionEnd(); final int start = mTokenizer.findTokenStart(text, end); // If this is a RecipientChip, don't filter // on its contents. final Spannable span = getSpannable(); final DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); if (chips != null && chips.length > 0) return; } else if (isCompletedToken) return; super.performFiltering(text, keyCode); } // Visible for testing. /* package */boolean isCompletedToken(final CharSequence text) { if (TextUtils.isEmpty(text)) return false; // Check to see if this is a completed token before filtering. final int end = text.length(); final int start = mTokenizer.findTokenStart(text, end); final String token = text.toString().substring(start, end).trim(); if (!TextUtils.isEmpty(token)) { final char atEnd = token.charAt(token.length() - 1); return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON || atEnd == COMMIT_CHAR_SPACE; } return false; } private void clearSelectedChip() { if (mSelectedChip != null) { unselectChip(mSelectedChip); mSelectedChip = null; } setCursorVisible(true); } /** * Monitor touch events in the RecipientEditTextView. If the view does not have focus, any tap on the view will just * focus the view. If the view has focus, determine if the touch target is a recipient chip. If it is and the chip * is not selected, select it and clear any other selected chips. If it isn't, then select that chip. */ @Override public boolean onTouchEvent(final MotionEvent event) { if (!isFocused()) // Ignore any chip taps until this view is focused. return super.onTouchEvent(event); android.util.Log.d("AppLog", "scroll:" + getScrollY()); boolean handled = super.onTouchEvent(event); final int action = event.getAction(); boolean chipWasSelected = false; if (mSelectedChip == null) mGestureDetector.onTouchEvent(event); switch (action) { case MotionEvent.ACTION_DOWN: mIsScrolling = false; mStartTouchY = (int) event.getY(); break; case MotionEvent.ACTION_MOVE: if (Math.abs(event.getY() - mStartTouchY) > SCROLLING_BOUNDS_THRESHOLD_IN_PIXELS) mIsScrolling = true; break; case MotionEvent.ACTION_UP: if (mIsScrolling) { mIsScrolling = false; break; } if (mCopyAddress == null) { final float x = event.getX(); final float y = event.getY(); final int offset = putOffsetInRange(x, y); final DrawableRecipientChip currentChip = findChip(offset); if (currentChip != null) { if (action == MotionEvent.ACTION_UP) if (mSelectedChip != null && mSelectedChip != currentChip) { clearSelectedChip(); mSelectedChip = selectChip(currentChip); } else if (mSelectedChip == null) { setSelection(getText().length()); commitDefault(); mSelectedChip = selectChip(currentChip); } else onClick(mSelectedChip, offset, x, y); chipWasSelected = true; handled = true; } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) chipWasSelected = true; } if (!chipWasSelected) clearSelectedChip(); break; } return handled; } private void scrollLineIntoView(final int line) { if (mScrollView != null) mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); } /*private void showAlternates(final DrawableRecipientChip currentChip,final ListPopupWindow alternatesPopup,final int width) { new AsyncTask<Void,Void,ListAdapter>() { @Override protected ListAdapter doInBackground(final Void... params) { return createAlternatesAdapter(currentChip); } @Override protected void onPostExecute(final ListAdapter result) { if(!mAttachedToWindow) return; final int line=getLayout().getLineForOffset(getChipStart(currentChip)); int bottom; if(line==getLineCount()-1) bottom=0; else bottom=-(int)((mChipHeight+2*mLineSpacingExtra)*Math.abs(getLineCount()-1-line)); // Align the alternates popup with the left side of the View, // regardless of the position of the chip tapped. alternatesPopup.setWidth(width); alternatesPopup.setAnchorView(RecipientEditTextView.this); alternatesPopup.setVerticalOffset(bottom); alternatesPopup.setAdapter(result); alternatesPopup.setOnItemClickListener(mAlternatesListener); // Clear the checked item. mCheckedItem=-1; alternatesPopup.show(); final ListView listView=alternatesPopup.getListView(); listView.setChoiceMode(AbsListView.CHOICE_MODE_SINGLE); // Checked item would be -1 if the adapter has not // loaded the view that should be checked yet. The // variable will be set correctly when onCheckedItemChanged // is called in a separate thread. if(mCheckedItem!=-1) { listView.setItemChecked(mCheckedItem,true); mCheckedItem=-1; } } }.execute((Void[])null); }*/ protected ListAdapter createAlternatesAdapter(final DrawableRecipientChip chip) { return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), getAdapter().getQueryType(), this); } private ListAdapter createSingleAddressAdapter(final DrawableRecipientChip currentChip) { return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip.getEntry()); } @Override public void onCheckedItemChanged(final int position) { //final ListView listView=mAlternatesPopup.getListView(); /*if(listView!=null&&listView.getCheckedItemCount()==0) listView.setItemChecked(position,true);*/ mCheckedItem = position; } @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH) private int putOffsetInRange(final float x, final float y) { final int offset; if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) offset = getOffsetForPosition(x, y); else offset = supportGetOffsetForPosition(x, y); return putOffsetInRange(offset); } // TODO: This algorithm will need a lot of tweaking after more people have used // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring // what comes before the finger. private int putOffsetInRange(final int o) { int offset = o; final Editable text = getText(); final int length = text.length(); // Remove whitespace from end to find "real end" int realLength = length; for (int i = length - 1; i >= 0; i--) if (text.charAt(i) == ' ') realLength--; else break; // If the offset is beyond or at the end of the text, // leave it alone. if (offset >= realLength) return offset; final Editable editable = getText(); while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) // Keep walking backward! offset--; return offset; } private static int findText(final Editable text, final int offset) { if (text.charAt(offset) != ' ') return offset; return -1; } private DrawableRecipientChip findChip(final int offset) { final DrawableRecipientChip[] chips = getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); // Find the chip that contains this offset. for (int i = 0; i < chips.length; i++) { final DrawableRecipientChip chip = chips[i]; final int start = getChipStart(chip); final int end = getChipEnd(chip); if (offset >= start && offset <= end) return chip; } return null; } // Visible for testing. // Use this method to generate text to add to the list of addresses. /* package */String createAddressText(final RecipientEntry entry) { String display = entry.getDisplayName(); String address = entry.getDestination(); if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) display = null; String trimmedDisplayText; if (isPhoneQuery() && isPhoneNumber(address)) trimmedDisplayText = address.trim(); else { if (address != null) { // Tokenize out the address in case the address already // contained the username as well. final Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); if (tokenized != null && tokenized.length > 0) address = tokenized[0].getAddress(); } final Rfc822Token token = new Rfc822Token(display, address, null); trimmedDisplayText = token.toString().trim(); } final int index = trimmedDisplayText.indexOf(","); return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer.terminateToken(trimmedDisplayText) : trimmedDisplayText; } // Visible for testing. // Use this method to generate text to display in a chip. /* package */String createChipDisplayText(final RecipientEntry entry) { String display = entry.getDisplayName(); final String address = entry.getDestination(); if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) display = null; if (!TextUtils.isEmpty(display)) return display; else if (!TextUtils.isEmpty(address)) return address; else return new Rfc822Token(display, address, null).toString(); } private CharSequence createChip(final RecipientEntry entry, final boolean pressed) { final String displayText = createAddressText(entry); if (TextUtils.isEmpty(displayText)) return null; SpannableString chipText = null; // Always leave a blank space at the end of a chip. final int textLength = displayText.length() - 1; chipText = new SpannableString(displayText); if (!mNoChips) try { final DrawableRecipientChip chip = constructChipSpan(entry, pressed, false /* * leave space for contact * icon */); chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); chip.setOriginalText(chipText.toString()); } catch (final NullPointerException e) { Log.e(TAG, e.getMessage(), e); return null; } return chipText; } private void submitItemAtPosition(final int position) { final RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); if (entry == null) return; clearComposingText(); final int end = getSelectionEnd(); final int start = mTokenizer.findTokenStart(getText(), end); final Editable editable = getText(); QwertyKeyListener.markAsReplaced(editable, start, end, ""); final CharSequence chip = createChip(entry, false); if (chip != null && start >= 0 && end >= 0) editable.replace(start, end, chip); sanitizeBetween(); if (mChipListener != null) mChipListener.onDataChanged(); } private RecipientEntry createValidatedEntry(final RecipientEntry item) { if (item == null) return null; final RecipientEntry entry; // If the display name and the address are the same, or if this is a // valid contact, but the destination is invalid, then make this a fake // recipient that is editable. final String destination = item.getDestination(); if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), destination, item.isValid()); else if (RecipientEntry.isCreatedRecipient(item.getContactId()) && (TextUtils.isEmpty(item.getDisplayName()) || TextUtils.equals(item.getDisplayName(), destination) || mValidator != null && !mValidator.isValid(destination))) entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); else entry = item; return entry; } /** Returns a collection of contact Id for each chip inside this View. */ /* package */Collection<Long> getContactIds() { final Set<Long> result = new HashSet<Long>(); final DrawableRecipientChip[] chips = getSortedRecipients(); if (chips != null) for (final DrawableRecipientChip chip : chips) result.add(chip.getContactId()); return result; } /** Returns a collection of data Id for each chip inside this View. May be null. */ /* package */Collection<Long> getDataIds() { final Set<Long> result = new HashSet<Long>(); final DrawableRecipientChip[] chips = getSortedRecipients(); if (chips != null) for (final DrawableRecipientChip chip : chips) result.add(chip.getDataId()); return result; } // Visible for testing. /* package */DrawableRecipientChip[] getSortedRecipients() { final DrawableRecipientChip[] recips = getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); final ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( Arrays.asList(recips)); final Spannable spannable = getSpannable(); Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { @Override public int compare(final DrawableRecipientChip first, final DrawableRecipientChip second) { final int firstStart = spannable.getSpanStart(first); final int secondStart = spannable.getSpanStart(second); if (firstStart < secondStart) return -1; else if (firstStart > secondStart) return 1; else return 0; } }); return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); } @Override public boolean onActionItemClicked(final ActionMode mode, final MenuItem item) { return false; } @Override public void onDestroyActionMode(final ActionMode mode) { } @Override public boolean onPrepareActionMode(final ActionMode mode, final Menu menu) { return false; } /** * No chips are selectable. */ @Override public boolean onCreateActionMode(final ActionMode mode, final Menu menu) { return false; } // Visible for testing. /* package */ImageSpan getMoreChip() { final MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; } private MoreImageSpan createMoreSpan(final int count) { final String moreText = String.format(mMoreItem.getText().toString(), count); final TextPaint morePaint = new TextPaint(getPaint()); morePaint.setTextSize(mMoreItem.getTextSize()); morePaint.setColor(mMoreItem.getCurrentTextColor()); final int width = (int) morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() + mMoreItem.getPaddingRight(); final int height = getLineHeight(); final Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); final Canvas canvas = new Canvas(drawable); int adjustedHeight = height; final Layout layout = getLayout(); if (layout != null) adjustedHeight -= layout.getLineDescent(0); canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); final Drawable result = new BitmapDrawable(getResources(), drawable); result.setBounds(0, 0, width, height); return new MoreImageSpan(result); } // Visible for testing. /* package */void createMoreChipPlainText() { // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. final Editable text = getText(); int start = 0; int end = start; for (int i = 0; i < CHIP_LIMIT; i++) { end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); start = end; // move to the next token and get its end. } // Now, count total addresses. start = 0; final int tokenCount = countTokens(text); final MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); final SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); text.replace(end, text.length(), chipText); mMoreChip = moreSpan; } // Visible for testing. /* package */int countTokens(final Editable text) { int tokenCount = 0; int start = 0; while (start < text.length()) { start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); tokenCount++; if (start >= text.length()) break; } return tokenCount; } /** * Create the more chip. The more chip is text that replaces any chips that do not fit in the pre-defined available * space when the RecipientEditTextView loses focus. */ // Visible for testing. /* package */void createMoreChip() { if (mNoChips) { createMoreChipPlainText(); return; } if (!mShouldShrink) return; final ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); if (tempMore.length > 0) getSpannable().removeSpan(tempMore[0]); final DrawableRecipientChip[] recipients = getSortedRecipients(); if (recipients == null || recipients.length <= CHIP_LIMIT) { mMoreChip = null; return; } final Spannable spannable = getSpannable(); final int numRecipients = recipients.length; final int overage = numRecipients - CHIP_LIMIT; final MoreImageSpan moreSpan = createMoreSpan(overage); mRemovedSpans = new ArrayList<DrawableRecipientChip>(); int totalReplaceStart = 0; int totalReplaceEnd = 0; final Editable text = getText(); for (int i = numRecipients - overage; i < recipients.length; i++) { mRemovedSpans.add(recipients[i]); if (i == numRecipients - overage) totalReplaceStart = spannable.getSpanStart(recipients[i]); if (i == recipients.length - 1) totalReplaceEnd = spannable.getSpanEnd(recipients[i]); if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { final int spanStart = spannable.getSpanStart(recipients[i]); final int spanEnd = spannable.getSpanEnd(recipients[i]); recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); } spannable.removeSpan(recipients[i]); } if (totalReplaceEnd < text.length()) totalReplaceEnd = text.length(); final int end = Math.max(totalReplaceStart, totalReplaceEnd); final int start = Math.min(totalReplaceStart, totalReplaceEnd); final SpannableString chipText = new SpannableString(text.subSequence(start, end)); chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); text.replace(start, end, chipText); mMoreChip = moreSpan; // If adding the +more chip goes over the limit, resize accordingly. if (!isPhoneQuery() && getLineCount() > mMaxLines) setMaxLines(getLineCount()); } /** * Replace the more chip, if it exists, with all of the recipient chips it had replaced when the * RecipientEditTextView gains focus. */ // Visible for testing. /* package */void removeMoreChip() { if (mMoreChip != null) { final Spannable span = getSpannable(); span.removeSpan(mMoreChip); mMoreChip = null; // Re-add the spans that were removed. if (mRemovedSpans != null && mRemovedSpans.size() > 0) { // Recreate each removed span. final DrawableRecipientChip[] recipients = getSortedRecipients(); // Start the search for tokens after the last currently visible // chip. if (recipients == null || recipients.length == 0) return; int end = span.getSpanEnd(recipients[recipients.length - 1]); final Editable editable = getText(); for (final DrawableRecipientChip chip : mRemovedSpans) { int chipStart; int chipEnd; String token; // Need to find the location of the chip, again. token = (String) chip.getOriginalText(); // As we find the matching recipient for the remove spans, // reduce the size of the string we need to search. // That way, if there are duplicates, we always find the correct // recipient. chipStart = editable.toString().indexOf(token, end); end = chipEnd = Math.min(editable.length(), chipStart + token.length()); // Only set the span if we found a matching token. if (chipStart != -1) editable.setSpan(chip, chipStart, chipEnd, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); } mRemovedSpans.clear(); } } } /** * Show specified chip as selected. If the RecipientChip is just an email address, selecting the chip will take the * contents of the chip and place it at the end of the RecipientEditTextView for inline editing. If the * RecipientChip is a complete contact, then selecting the chip will change the background color of the chip, show * the delete icon, and a popup window with the address in use highlighted and any other alternate addresses for the * contact. * * @param currentChip * Chip to select. * @return A RecipientChip in the selected state or null if the chip just contained an email address. */ private DrawableRecipientChip selectChip(final DrawableRecipientChip currentChip) { if (shouldShowEditableText(currentChip)) { final CharSequence text = currentChip.getValue(); final Editable editable = getText(); final Spannable spannable = getSpannable(); final int spanStart = spannable.getSpanStart(currentChip); final int spanEnd = spannable.getSpanEnd(currentChip); spannable.removeSpan(currentChip); editable.delete(spanStart, spanEnd); setCursorVisible(true); setSelection(editable.length()); editable.append(text); return constructChipSpan(RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), true, false); } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || currentChip.isGalContact()) { final int start = getChipStart(currentChip); final int end = getChipEnd(currentChip); getSpannable().removeSpan(currentChip); DrawableRecipientChip newChip; try { if (mNoChips) return null; newChip = constructChipSpan(currentChip.getEntry(), true, false); } catch (final NullPointerException e) { Log.e(TAG, e.getMessage(), e); return null; } final Editable editable = getText(); QwertyKeyListener.markAsReplaced(editable, start, end, ""); if (start == -1 || end == -1) Log.d(TAG, "The chip being selected no longer exists but should."); else editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); newChip.setSelected(true); if (shouldShowEditableText(newChip)) scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); //showAddress(newChip,mAddressPopup,getWidth()); setCursorVisible(false); return newChip; } else { final int start = getChipStart(currentChip); final int end = getChipEnd(currentChip); getSpannable().removeSpan(currentChip); DrawableRecipientChip newChip; try { newChip = constructChipSpan(currentChip.getEntry(), true, false); } catch (final NullPointerException e) { Log.e(TAG, e.getMessage(), e); return null; } final Editable editable = getText(); QwertyKeyListener.markAsReplaced(editable, start, end, ""); if (start == -1 || end == -1) Log.d(TAG, "The chip being selected no longer exists but should."); else editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); newChip.setSelected(true); if (shouldShowEditableText(newChip)) scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); //showAlternates(newChip,mAlternatesPopup,getWidth()); setCursorVisible(false); return newChip; } } private boolean shouldShowEditableText(final DrawableRecipientChip currentChip) { final long contactId = currentChip.getContactId(); return contactId == RecipientEntry.INVALID_CONTACT || !isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT; } /*private void showAddress(final DrawableRecipientChip currentChip,final ListPopupWindow popup,final int width) { if(!mAttachedToWindow) return; final int line=getLayout().getLineForOffset(getChipStart(currentChip)); final int bottom=calculateOffsetFromBottom(line); // Align the alternates popup with the left side of the View, // regardless of the position of the chip tapped. popup.setWidth(width); popup.setAnchorView(this); popup.setVerticalOffset(bottom); popup.setAdapter(createSingleAddressAdapter(currentChip)); popup.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(final AdapterView<?> parent,final View view,final int position,final long id) { unselectChip(currentChip); popup.dismiss(); } }); popup.show(); final ListView listView=popup.getListView(); listView.setChoiceMode(AbsListView.CHOICE_MODE_SINGLE); listView.setItemChecked(0,true); }*/ /** * Remove selection from this chip. Unselecting a RecipientChip will render the chip without a delete icon and with * an unfocused background. This is called when the RecipientChip no longer has focus. */ private void unselectChip(final DrawableRecipientChip chip) { final int start = getChipStart(chip); final int end = getChipEnd(chip); final Editable editable = getText(); mSelectedChip = null; if (start == -1 || end == -1) { Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); setSelection(editable.length()); commitDefault(); } else { getSpannable().removeSpan(chip); QwertyKeyListener.markAsReplaced(editable, start, end, ""); editable.removeSpan(chip); try { if (!mNoChips) editable.setSpan(constructChipSpan(chip.getEntry(), false, false), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); } catch (final NullPointerException e) { Log.e(TAG, e.getMessage(), e); } } setCursorVisible(true); setSelection(editable.length()); /*if(mAlternatesPopup!=null&&mAlternatesPopup.isShowing()) mAlternatesPopup.dismiss();*/ } /** * Return whether a touch event was inside the delete target of a selected chip. It is in the delete target if: 1) * the x and y points of the event are within the delete assset. 2) the point tapped would have caused a cursor to * appear right after the selected chip. * * @return boolean */ private boolean isInDelete(final DrawableRecipientChip chip, final int offset, final float x, final float y) { // Figure out the bounds of this chip and whether or not // the user clicked in the X portion. // TODO: Should x and y be used, or removed? return chip.isSelected() && offset == getChipEnd(chip); } /** * Remove the chip and any text associated with it from the RecipientEditTextView. * * @param alsoNotifyAboutDataChanges */ // Visible for testing. /* package */void removeChip(final DrawableRecipientChip chip, final boolean alsoNotifyAboutDataChanges) { if (!alsoNotifyAboutDataChanges) --mPreviousChipsCount; final Spannable spannable = getSpannable(); final int spanStart = spannable.getSpanStart(chip); final int spanEnd = spannable.getSpanEnd(chip); final Editable text = getText(); int toDelete = spanEnd; final boolean wasSelected = chip == mSelectedChip; // Clear that there is a selected chip before updating any text. if (wasSelected) mSelectedChip = null; // Always remove trailing spaces when removing a chip. while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') toDelete++; spannable.removeSpan(chip); if (spanStart >= 0 && toDelete > 0) text.delete(spanStart, toDelete); if (wasSelected) clearSelectedChip(); } /** * Replace this currently selected chip with a new chip that uses the contact data provided. */ // Visible for testing. /* package */void replaceChip(final DrawableRecipientChip chip, final RecipientEntry entry) { final boolean wasSelected = chip == mSelectedChip; if (wasSelected) mSelectedChip = null; final int start = getChipStart(chip); final int end = getChipEnd(chip); getSpannable().removeSpan(chip); final Editable editable = getText(); final CharSequence chipText = createChip(entry, false); if (chipText != null) if (start == -1 || end == -1) { Log.e(TAG, "The chip to replace does not exist but should."); editable.insert(0, chipText); } else if (!TextUtils.isEmpty(chipText)) { // There may be a space to replace with this chip's new // associated space. Check for it int toReplace = end; while (toReplace >= 0 && toReplace < editable.length() && editable.charAt(toReplace) == ' ') toReplace++; editable.replace(start, toReplace, chipText); } setCursorVisible(true); if (wasSelected) clearSelectedChip(); if (mChipListener != null) mChipListener.onDataChanged(); } /** * Handle click events for a chip. When a selected chip receives a click event, see if that event was in the delete * icon. If so, delete it. Otherwise, unselect the chip. */ public void onClick(final DrawableRecipientChip chip, final int offset, final float x, final float y) { if (chip.isSelected()) if (isInDelete(chip, offset, x, y)) removeChip(chip, true); else clearSelectedChip(); } private boolean chipsPending() { return mPendingChipsCount > 0 || mRemovedSpans != null && mRemovedSpans.size() > 0; } @Override public void removeTextChangedListener(final TextWatcher watcher) { mTextWatcher = null; super.removeTextChangedListener(watcher); } public boolean lastCharacterIsCommitCharacter(final CharSequence s) { char last; final int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; final int len = length() - 1; if (end != len) last = s.charAt(end); else last = s.charAt(len); return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_SPACE; // added by shreyash } public boolean isGeneratedContact(final DrawableRecipientChip chip) { final long contactId = chip.getContactId(); return contactId == RecipientEntry.INVALID_CONTACT || !isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT; } /** * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. */ private void handlePasteClip(final ClipData clip) { removeTextChangedListener(mTextWatcher); if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)) for (int i = 0; i < clip.getItemCount(); i++) { final CharSequence paste = clip.getItemAt(i).getText(); if (paste != null) { final int start = getSelectionStart(); final int end = getSelectionEnd(); final Editable editable = getText(); if (start >= 0 && end >= 0 && start != end) editable.append(paste, start, end); else editable.insert(end, paste); handlePasteAndReplace(); } } mHandler.post(mAddTextWatcher); } @Override public boolean onTextContextMenuItem(final int id) { if (id == android.R.id.paste) { final ClipboardManager clipboard = (ClipboardManager) getContext() .getSystemService(Context.CLIPBOARD_SERVICE); handlePasteClip(clipboard.getPrimaryClip()); return true; } return super.onTextContextMenuItem(id); } private void handlePasteAndReplace() { final ArrayList<DrawableRecipientChip> created = handlePaste(); if (created != null && created.size() > 0) { // Perform reverse lookups on the pasted contacts. final IndividualReplacementTask replace = new IndividualReplacementTask(); replace.execute(created); } } // Visible for testing. /* package */ArrayList<DrawableRecipientChip> handlePaste() { final String text = getText().toString(); final int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); final String lastAddress = text.substring(originalTokenStart); int tokenStart = originalTokenStart; int prevTokenStart = 0; DrawableRecipientChip findChip = null; final ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); if (tokenStart != 0) { // There are things before this! while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { prevTokenStart = tokenStart; tokenStart = mTokenizer.findTokenStart(text, tokenStart); findChip = findChip(tokenStart); if (tokenStart == originalTokenStart && findChip == null) break; } if (tokenStart != originalTokenStart) { if (findChip != null) tokenStart = prevTokenStart; int tokenEnd; DrawableRecipientChip createdChip; while (tokenStart < originalTokenStart) { tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), tokenStart)); commitChip(tokenStart, tokenEnd, getText()); createdChip = findChip(tokenStart); if (createdChip == null) break; // +1 for the space at the end. tokenStart = getSpannable().getSpanEnd(createdChip) + 1; created.add(createdChip); } } } // Take a look at the last token. If the token has been completed with a // commit character, create a chip. if (isCompletedToken(lastAddress)) { final Editable editable = getText(); tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); commitChip(tokenStart, editable.length(), editable); created.add(findChip(tokenStart)); } return created; } // Visible for testing. /* package */int movePastTerminators(int tokenEnd) { if (tokenEnd >= length()) return tokenEnd; final char atEnd = getText().toString().charAt(tokenEnd); if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON || atEnd == COMMIT_CHAR_SPACE) tokenEnd++; // This token had not only an end token character, but also a space // separating it from the next token. if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') tokenEnd++; return tokenEnd; } @Override public boolean onDown(final MotionEvent e) { return false; } @Override public boolean onFling(final MotionEvent e1, final MotionEvent e2, final float velocityX, final float velocityY) { // Do nothing. return false; } @Override public void onLongPress(final MotionEvent event) { if (mSelectedChip != null) return; final float x = event.getX(); final float y = event.getY(); final int offset = putOffsetInRange(x, y); final DrawableRecipientChip currentChip = findChip(offset); if (currentChip != null) // Copy the selected chip email address. showCopyDialog(currentChip.getEntry().getDestination()); } // The following methods are used to provide some functionality on older versions of Android // These methods were copied out of JB MR2's TextView // /////////////////////////////////////////////// private int supportGetOffsetForPosition(final float x, final float y) { if (getLayout() == null) return -1; final int line = supportGetLineAtCoordinate(y); final int offset = supportGetOffsetAtCoordinate(line, x); return offset; } private float supportConvertToLocalHorizontalCoordinate(float x) { x -= getTotalPaddingLeft(); // Clamp the position to inside of the view. x = Math.max(0.0f, x); x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); x += getScrollX(); return x; } private int supportGetLineAtCoordinate(float y) { y -= getTotalPaddingLeft(); // Clamp the position to inside of the view. y = Math.max(0.0f, y); y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); y += getScrollY(); return getLayout().getLineForVertical((int) y); } private int supportGetOffsetAtCoordinate(final int line, float x) { x = supportConvertToLocalHorizontalCoordinate(x); return getLayout().getOffsetForHorizontal(line, x); } // /////////////////////////////////////////////// private void showCopyDialog(final String address) { if (!mAttachedToWindow) return; mCopyAddress = address; mCopyDialog.setTitle(address); mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); mCopyDialog.setCancelable(true); mCopyDialog.setCanceledOnTouchOutside(true); final Button button = (Button) mCopyDialog.findViewById(android.R.id.button1); button.setOnClickListener(this); int btnTitleId; if (isPhoneQuery()) btnTitleId = R.string.copy_number; else btnTitleId = R.string.copy_email; final String buttonTitle = getContext().getResources().getString(btnTitleId); button.setText(buttonTitle); mCopyDialog.setOnDismissListener(this); mCopyDialog.show(); } @Override public boolean onScroll(final MotionEvent e1, final MotionEvent e2, final float distanceX, final float distanceY) { // Do nothing. return false; } @Override public void onShowPress(final MotionEvent e) { // Do nothing. } @Override public boolean onSingleTapUp(final MotionEvent e) { // Do nothing. return false; } @Override public void onDismiss(final DialogInterface dialog) { mCopyAddress = null; } @Override public void onClick(final View v) { // Copy this to the clipboard. final ClipboardManager clipboard = (ClipboardManager) getContext() .getSystemService(Context.CLIPBOARD_SERVICE); clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); mCopyDialog.dismiss(); } protected boolean isPhoneQuery() { return getAdapter() != null && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; } @Override public BaseRecipientAdapter getAdapter() { return (BaseRecipientAdapter) super.getAdapter(); } // ///////////////////////////////////////////////////////////////////// // MoreImageSpan // // //////////////// /** MoreImageSpan is a simple class created for tracking the existence of a more chip across activity restarts */ private class MoreImageSpan extends ImageSpan { public MoreImageSpan(final Drawable b) { super(b); } } // ////////////////////////////////////////////////////////////////// // RecipientTextWatcher // // /////////////////////// private class RecipientTextWatcher implements TextWatcher { @Override public void afterTextChanged(final Editable s) { // If the text has been set to null or empty, make sure we remove // all the spans we applied. if (TextUtils.isEmpty(s)) { // Remove all the chips spans. final Spannable spannable = getSpannable(); final DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), DrawableRecipientChip.class); for (final DrawableRecipientChip chip : chips) spannable.removeSpan(chip); if (mMoreChip != null) spannable.removeSpan(mMoreChip); return; } // Get whether there are any recipients pending addition to the // view. If there are, don't do anything in the text watcher. if (chipsPending()) return; // If the user is editing a chip, don't clear it. if (mSelectedChip != null) if (!isGeneratedContact(mSelectedChip)) { setCursorVisible(true); setSelection(getText().length()); clearSelectedChip(); } else return; final int length = s.length(); // Make sure there is content there to parse and that it is // not just the commit character. if (length > 1) { if (lastCharacterIsCommitCharacter(s)) { commitByCharacter(); return; } char last; final int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; final int len = length() - 1; if (end != len) last = s.charAt(end); else last = s.charAt(len); if (last == COMMIT_CHAR_SPACE) if (!isPhoneQuery()) { // Check if this is a valid email address. If it is, // commit it. final String text = getText().toString(); final int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); final String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, tokenStart)); if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) commitByCharacter(); } } } @Override public void onTextChanged(final CharSequence s, final int start, final int before, final int count) { // The user deleted some text OR some text was replaced; check to // see if the insertion point is on a space // following a chip. if (count != before) { final DrawableRecipientChip[] chips = getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); final int chipsCount = chips.length; if (mPreviousChipsCount > chipsCount && mChipListener != null) mChipListener.onDataChanged(); mPreviousChipsCount = chipsCount; } if (before - count == 1) { // If the item deleted is a space, and the thing before the // space is a chip, delete the entire span. final int selStart = getSelectionStart(); final DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, DrawableRecipientChip.class); if (repl.length > 0) { // There is a chip there! Just remove it. final Editable editable = getText(); // Add the separator token. final int tokenStart = mTokenizer.findTokenStart(editable, selStart); int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); tokenEnd = tokenEnd + 1; if (tokenEnd > editable.length()) tokenEnd = editable.length(); editable.delete(tokenStart, tokenEnd); getSpannable().removeSpan(repl[0]); } } else if (count > before) if (mSelectedChip != null && isGeneratedContact(mSelectedChip)) if (lastCharacterIsCommitCharacter(s)) { commitByCharacter(); return; } } @Override public void beforeTextChanged(final CharSequence s, final int start, final int count, final int after) { // Do nothing. // final DrawableRecipientChip[] chips = getSpannable().getSpans(0, getText().length(), // DrawableRecipientChip.class); // previousChipsCount = chips.length; } } // //////////////////////////////////////////////////////////// // RecipientReplacementTask // // /////////////////////////// private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { private DrawableRecipientChip createFreeChip(final RecipientEntry entry) { try { if (mNoChips) return null; return constructChipSpan(entry, false, false /* leave space for contact icon */); } catch (final NullPointerException e) { Log.e(TAG, e.getMessage(), e); return null; } } @Override protected void onPreExecute() { // Ensure everything is in chip-form already, so we don't have text that slowly gets // replaced final List<DrawableRecipientChip> originalRecipients = new ArrayList<DrawableRecipientChip>(); final DrawableRecipientChip[] existingChips = getSortedRecipients(); for (int i = 0; i < existingChips.length; i++) originalRecipients.add(existingChips[i]); if (mRemovedSpans != null) originalRecipients.addAll(mRemovedSpans); final List<DrawableRecipientChip> replacements = new ArrayList<DrawableRecipientChip>( originalRecipients.size()); for (final DrawableRecipientChip chip : originalRecipients) if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) && getSpannable().getSpanStart(chip) != -1) replacements.add(createFreeChip(chip.getEntry())); else replacements.add(null); processReplacements(originalRecipients, replacements); } @Override protected Void doInBackground(final Void... params) { if (mIndividualReplacements != null) mIndividualReplacements.cancel(true); // For each chip in the list, look up the matching contact. // If there is a match, replace that chip with the matching // chip. final ArrayList<DrawableRecipientChip> recipients = new ArrayList<DrawableRecipientChip>(); //final DrawableRecipientChip[] existingChips=getSortedRecipients(); /*for(int i=0;i<existingChips.length;i++) recipients.add(existingChips[i]);*/ if (mRemovedSpans != null) recipients.addAll(mRemovedSpans); final ArrayList<String> addresses = new ArrayList<String>(); DrawableRecipientChip chip; /* for(int i=0;i<recipients.size();i++) { chip=recipients.get(i); if(chip!=null) addresses.add(createAddressText(chip.getEntry())); }*/ //final BaseRecipientAdapter adapter=getAdapter(); /*RecipientAlternatesAdapter.getMatchingRecipients(getContext(),adapter,addresses,adapter.getAccount(),new RecipientMatchCallback() { @Override public void matchesFound(final Map<String,RecipientEntry> entries) { final ArrayList<DrawableRecipientChip> replacements=new ArrayList<DrawableRecipientChip>(); for(final DrawableRecipientChip temp : recipients) { RecipientEntry entry=null; if(temp!=null&&RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId())&&getSpannable().getSpanStart(temp)!=-1) // Replace this. entry=createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry().getDestination()))); if(entry!=null) replacements.add(createFreeChip(entry)); else replacements.add(null); } processReplacements(recipients,replacements); } @Override public void matchesNotFound(final Set<String> unfoundAddresses) { final List<DrawableRecipientChip> replacements=new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); for(final DrawableRecipientChip temp : recipients) if(temp!=null&&RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId())&&getSpannable().getSpanStart(temp)!=-1) { if(unfoundAddresses.contains(temp.getEntry().getDestination())) replacements.add(createFreeChip(temp.getEntry())); else replacements.add(null); } else replacements.add(null); processReplacements(recipients,replacements); } });*/ return null; } private void processReplacements(final List<DrawableRecipientChip> recipients, final List<DrawableRecipientChip> replacements) { if (replacements != null && replacements.size() > 0) { final Runnable runnable = new Runnable() { @Override public void run() { final Editable text = new SpannableStringBuilder(getText()); int i = 0; for (final DrawableRecipientChip chip : recipients) { final DrawableRecipientChip replacement = replacements.get(i); if (replacement != null) { final RecipientEntry oldEntry = chip.getEntry(); final RecipientEntry newEntry = replacement.getEntry(); final boolean isBetter = RecipientAlternatesAdapter.getBetterRecipient(oldEntry, newEntry) == newEntry; if (isBetter) { // Find the location of the chip in the text currently shown. final int start = text.getSpanStart(chip); if (start != -1) { // Replacing the entirety of what the chip represented, // including the extra space dividing it from other chips. final int end = Math.min(text.getSpanEnd(chip) + 1, text.length()); text.removeSpan(chip); // Make sure we always have just 1 space at the end to // separate this chip from the next chip. final SpannableString displayText = new SpannableString( createAddressText(replacement.getEntry()).trim() + " "); displayText.setSpan(replacement, 0, displayText.length() - 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); // Replace the old text we found with with the new display // text, which now may also contain the display name of the // recipient. text.replace(start, end, displayText); replacement.setOriginalText(displayText.toString()); replacements.set(i, null); recipients.set(i, replacement); } } } i++; } setText(text); } }; if (Looper.myLooper() == Looper.getMainLooper()) runnable.run(); else mHandler.post(runnable); } } } // //////////////////////////////////////////////////////////////////////// // IndividualReplacementTask // // //////////////////////////// private class IndividualReplacementTask extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { @Override protected Void doInBackground(final ArrayList<DrawableRecipientChip>... params) { // For each chip in the list, look up the matching contact. // If there is a match, replace that chip with the matching // chip. final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; final ArrayList<String> addresses = new ArrayList<String>(); DrawableRecipientChip chip; /*for(int i=0;i<originalRecipients.size();i++) { chip=originalRecipients.get(i); if(chip!=null) addresses.add(createAddressText(chip.getEntry())); }*/ //final BaseRecipientAdapter adapter=getAdapter(); /*RecipientAlternatesAdapter.getMatchingRecipients(getContext(),adapter,addresses,adapter.getAccount(),new RecipientMatchCallback() { @Override public void matchesFound(final Map<String,RecipientEntry> entries) { for(final DrawableRecipientChip temp : originalRecipients) if(RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId())&&getSpannable().getSpanStart(temp)!=-1) { // Replace this. final RecipientEntry entry=createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase(Locale.getDefault()))); if(entry!=null) mHandler.post(new Runnable() { @Override public void run() { replaceChip(temp,entry); } }); } } @Override public void matchesNotFound(final Set<String> unfoundAddresses) { // No action required } });*/ return null; } } // ////////////////////////////////////////////////added functionality/////////////////////////////////////// public void setChipListener(final IChipListener chipListener) { mChipListener = chipListener; } /** adds a recipient to the view. note that it should be called when the view has determined its size */ public void addRecipient(final RecipientEntry entry, final boolean alsoNotifyAboutDataChanges) { if (entry == null) return; // clearComposingText(); final Editable editable = getText(); // QwertyKeyListener.markAsReplaced(editable, start, end, ""); final CharSequence chip = createChip(entry, false); if (!alsoNotifyAboutDataChanges) ++mPreviousChipsCount; // expand(); if (chip != null) editable.append(chip); sanitizeBetween(); // shrink(); } /** removes a chip of a recipient from the view */ public void removeRecipient(final RecipientEntry entry, final boolean alsoNotifyAboutDataChanges) { if (entry == null) return; // expand(); final DrawableRecipientChip[] chips = getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); final List<DrawableRecipientChip> chipsToRemove = new ArrayList<DrawableRecipientChip>(); for (final DrawableRecipientChip chip : chips) if (chip.getDataId() == entry.getDataId()) chipsToRemove.add(chip); for (final DrawableRecipientChip chip : chipsToRemove) removeChip(chip, alsoNotifyAboutDataChanges); // shrink(); } public void removeAllRecipients(final boolean alsoNotifyAboutDataChanges) { final DrawableRecipientChip[] chips = getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); for (final DrawableRecipientChip chip : chips) removeChip(chip, alsoNotifyAboutDataChanges); } /** returns a collection of all of the chips' items. key is the contact id, and the value is the recipient itself */ public Set<RecipientEntry> getChosenRecipients() { final Set<RecipientEntry> result = new HashSet<RecipientEntry>(); final DrawableRecipientChip[] chips = getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); for (final DrawableRecipientChip chip : chips) { final RecipientEntry recipientEntry = chip.getEntry(); result.add(recipientEntry); } return result; } /** * sets exact recipients to be chosen. <br/> * each previous chip will stay only if it really matches one of the recipients. <br/> * note that this function will not notify about data changes */ public void setChosenRecipients(final Set<RecipientEntry> recipientsToSet) { final Set<RecipientEntry> currentRecipients = getChosenRecipients(); final List<RecipientEntry> toRemove = new ArrayList<RecipientEntry>(), toAdd = new ArrayList<RecipientEntry>(); // check which to remove - items that exist on the editText but not on the list for (final RecipientEntry recipientEntry : currentRecipients) if (!recipientsToSet.contains(recipientEntry)) toRemove.add(recipientEntry); // check which to add - items that exist on the list, but not on the editText for (final RecipientEntry recipientEntry : recipientsToSet) if (!currentRecipients.contains(recipientEntry)) toAdd.add(recipientEntry); for (final RecipientEntry recipientEntry : toRemove) removeRecipient(recipientEntry, false); for (final RecipientEntry recipientEntry : toAdd) addRecipient(recipientEntry, false); } public void setFocusBehavior(final EnumSet<FocusBehavior> focusBehavior) { mFocusBehavior.clear(); mFocusBehavior.addAll(focusBehavior); } }