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/** * Ace Shooting/*w w w . j av a 2 s . c om*/ * * Copyright (c) 2014 Ace Shooting * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * */ package com.aceshooting.rssapp; import android.app.Activity; import android.app.AlertDialog; import android.app.AlertDialog.Builder; import android.app.NotificationManager; import android.content.BroadcastReceiver; import android.content.ContentValues; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Color; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.net.Uri; import android.os.Bundle; import android.preference.PreferenceManager; import android.text.ClipboardManager; import android.text.TextUtils; import android.text.format.DateFormat; import android.util.TypedValue; import android.view.GestureDetector; import android.view.GestureDetector.OnGestureListener; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnKeyListener; import android.view.View.OnTouchListener; import android.view.ViewGroup.LayoutParams; import android.view.Window; import android.view.animation.Animation; import android.webkit.WebView; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import android.widget.ViewFlipper; import com.aceshooting.rssapp.provider.FeedData; import java.util.Date; public class EntryActivity extends Activity { /* private static final String NEWLINE = "\n"; private static final String BR = "<br/>"; */ private static final String TEXT_HTML = "text/html"; private static final String UTF8 = "utf-8"; private static final String OR_DATE = " or date "; private static final String DATE = "(date="; private static final String AND_ID = " and _id"; private static final String ASC = "date asc, _id desc limit 1"; private static final String DESC = "date desc, _id asc limit 1"; private static final String CSS = "<head><style type=\"text/css\">body {max-width: 100%}\nimg {max-width: 100%; height: auto;}\ndiv[style] {max-width: 100%;}\npre {white-space: pre-wrap;}</style></head>"; private static final String FONT_START = CSS+"<body link=\"#97ACE5\" text=\"#C0C0C0\">"; private static final String FONT_FONTSIZE_START = CSS+"<body link=\"#97ACE5\" text=\"#C0C0C0\"><font size=\"+"; private static final String FONTSIZE_START = "<font size=\"+"; private static final String FONTSIZE_MIDDLE = "\">"; private static final String FONTSIZE_END = "</font>"; private static final String FONT_END = "</font><br/><br/><br/><br/></body>"; private static final String BODY_START = "<body>"; private static final String BODY_END = "<br/><br/><br/><br/></body>"; private static final int BUTTON_ALPHA = 180; private static final String IMAGE_ENCLOSURE = "[@]image/"; private static final String TEXTPLAIN = "text/plain"; private static final String BRACKET = " ("; private int titlePosition; private int datePosition; private int abstractPosition; private int linkPosition; private int feedIdPosition; private int favoritePosition; private int readDatePosition; private int enclosurePosition; private int authorPosition; private String _id; private String _nextId; private String _previousId; private Uri uri; private Uri parentUri; private int feedId; boolean favorite; private boolean hideRead; private boolean canShowIcon; private byte[] iconBytes; private String feedName; private WebView webView; private WebView webView0; // only needed for the animation private ViewFlipper viewFlipper; private ImageButton nextButton; private ImageButton urlButton; private ImageButton previousButton; private ImageButton playButton; int scrollX; int scrollY; private String link; private LayoutParams layoutParams; private View content; private SharedPreferences preferences; private boolean localPictures; private TextView titleTextView; @Override protected void onCreate(Bundle savedInstanceState) { if (MainTabActivity.isLightTheme(this)) { setTheme(R.style.Theme_Light); } super.onCreate(savedInstanceState); int titleId = -1; if (MainTabActivity.POSTGINGERBREAD) { canShowIcon = true; setContentView(R.layout.entry); try { /* This is a trick as com.android.internal.R.id.action_bar_title is not directly accessible */ titleId = (Integer) Class.forName("com.android.internal.R$id").getField("action_bar_title").get(null); } catch (Exception exception) { } } else { canShowIcon = requestWindowFeature(Window.FEATURE_LEFT_ICON); setContentView(R.layout.entry); titleId = android.R.id.title; } try { titleTextView = (TextView) findViewById(titleId); titleTextView.setSingleLine(true); titleTextView.setHorizontallyScrolling(true); titleTextView.setMarqueeRepeatLimit(1); titleTextView.setEllipsize(TextUtils.TruncateAt.MARQUEE); titleTextView.setFocusable(true); titleTextView.setFocusableInTouchMode(true); } catch (Exception e) { // just in case for non standard android, nullpointer etc } uri = getIntent().getData(); parentUri = FeedData.EntryColumns.PARENT_URI(uri.getPath()); hideRead = getIntent().getBooleanExtra(FeedData.FeedColumns.HIDE_READ, false); iconBytes = getIntent().getByteArrayExtra(FeedData.FeedColumns.ICON); feedName = getIntent().getStringExtra(FeedData.FeedColumns.NAME); feedId = 0; Cursor entryCursor = getContentResolver().query(uri, null, null, null, null); titlePosition = entryCursor.getColumnIndex(FeedData.EntryColumns.TITLE); datePosition = entryCursor.getColumnIndex(FeedData.EntryColumns.DATE); abstractPosition = entryCursor.getColumnIndex(FeedData.EntryColumns.ABSTRACT); linkPosition = entryCursor.getColumnIndex(FeedData.EntryColumns.LINK); feedIdPosition = entryCursor.getColumnIndex(FeedData.EntryColumns.FEED_ID); favoritePosition = entryCursor.getColumnIndex(FeedData.EntryColumns.FAVORITE); readDatePosition = entryCursor.getColumnIndex(FeedData.EntryColumns.READDATE); enclosurePosition = entryCursor.getColumnIndex(FeedData.EntryColumns.ENCLOSURE); authorPosition = entryCursor.getColumnIndex(FeedData.EntryColumns.AUTHOR); entryCursor.close(); if (RSSOverview.notificationManager == null) { RSSOverview.notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); } nextButton = (ImageButton) findViewById(R.id.next_button); urlButton = (ImageButton) findViewById(R.id.url_button); urlButton.setAlpha(BUTTON_ALPHA+30); previousButton = (ImageButton) findViewById(R.id.prev_button); playButton = (ImageButton) findViewById(R.id.play_button); playButton.setAlpha(BUTTON_ALPHA); viewFlipper = (ViewFlipper) findViewById(R.id.content_flipper); layoutParams = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT); webView = new WebView(this); viewFlipper.addView(webView, layoutParams); OnKeyListener onKeyEventListener = new OnKeyListener() { public boolean onKey(View v, int keyCode, KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_DOWN) { if (keyCode == 92 || keyCode == 94) { scrollUp(); return true; } else if (keyCode == 93 || keyCode == 95) { scrollDown(); return true; } } return false; } }; webView.setOnKeyListener(onKeyEventListener); content = findViewById(R.id.entry_content); webView0 = new WebView(this); webView0.setOnKeyListener(onKeyEventListener); preferences = PreferenceManager.getDefaultSharedPreferences(this); final boolean gestures = preferences.getBoolean(Strings.SETTINGS_GESTURESENABLED, true); final GestureDetector gestureDetector = new GestureDetector(this, new OnGestureListener() { public boolean onDown(MotionEvent e) { return false; } public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { if (gestures) { if (Math.abs(velocityY) < Math.abs(velocityX)) { if (velocityX > 800) { if (previousButton.isEnabled()) { previousEntry(true); } } else if (velocityX < -800) { if (nextButton.isEnabled()) { nextEntry(true); } } } } return false; } public void onLongPress(MotionEvent e) { } public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { return false; } public void onShowPress(MotionEvent e) { } public boolean onSingleTapUp(MotionEvent e) { return false; } }); OnTouchListener onTouchListener = new OnTouchListener() { public boolean onTouch(View v, MotionEvent event) { return gestureDetector.onTouchEvent(event); } }; webView.setOnTouchListener(onTouchListener); content.setOnTouchListener(new OnTouchListener() { public boolean onTouch(View v, MotionEvent event) { gestureDetector.onTouchEvent(event); return true; // different to the above one! } }); webView0.setOnTouchListener(onTouchListener); scrollX = 0; scrollY = 0; } @Override protected void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); webView.restoreState(savedInstanceState); } @Override protected void onResume() { super.onResume(); if (RSSOverview.notificationManager != null) { RSSOverview.notificationManager.cancel(0); } uri = getIntent().getData(); parentUri = FeedData.EntryColumns.PARENT_URI(uri.getPath()); if (MainTabActivity.POSTGINGERBREAD) { CompatibilityHelper.onResume(webView); } reload(); } @Override protected void onNewIntent(Intent intent) { super.onNewIntent(intent); setIntent(intent); } private void reload() { if (_id != null && _id.equals(uri.getLastPathSegment())) { return; } _id = uri.getLastPathSegment(); ContentValues values = new ContentValues(); values.put(FeedData.EntryColumns.READDATE, System.currentTimeMillis()); Cursor entryCursor = getContentResolver().query(uri, null, null, null, null); if (entryCursor.moveToFirst()) { String abstractText = entryCursor.getString(abstractPosition); if (entryCursor.isNull(readDatePosition)) { getContentResolver().update(uri, values, new StringBuilder(FeedData.EntryColumns.READDATE).append(Strings.DB_ISNULL).toString(), null); } if (abstractText == null || abstractText.trim().length() == 0) { link = entryCursor.getString(linkPosition); entryCursor.close(); finish(); startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(link))); } else { link = entryCursor.getString(linkPosition); String title = entryCursor.getString(titlePosition); setTitle(title == null || title.length() == 0 ? link : title); if (titleTextView != null) { titleTextView.requestFocus(); // restart ellipsize } int _feedId = entryCursor.getInt(feedIdPosition); if (feedId != _feedId) { if (feedId != 0) { iconBytes = null; // triggers re-fetch of the icon } feedId = _feedId; } if (feedName == null || (canShowIcon && (iconBytes == null || iconBytes.length == 0))) { Cursor feedCursor = getContentResolver().query(FeedData.FeedColumns.CONTENT_URI(Integer.toString(feedId)), new String[] {FeedData.FeedColumns._ID, FeedData.FeedColumns.NAME, FeedData.FeedColumns.URL, FeedData.FeedColumns.ICON}, null, null, null); if (feedCursor.moveToFirst()) { feedName = feedCursor.isNull(1) ? feedCursor.getString(2) : feedCursor.getString(1); iconBytes = feedCursor.getBlob(3); } feedCursor.close(); } if (canShowIcon) { Drawable icon = null; if (iconBytes != null && iconBytes.length > 0) { int bitmapSizeInDip = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 24f, getResources().getDisplayMetrics()); Bitmap bitmap = BitmapFactory.decodeByteArray(iconBytes, 0, iconBytes.length); if (bitmap != null) { if (bitmap.getHeight() != bitmapSizeInDip) { bitmap = Bitmap.createScaledBitmap(bitmap, bitmapSizeInDip, bitmapSizeInDip, false); } icon = new BitmapDrawable(bitmap); } } if (MainTabActivity.POSTGINGERBREAD) { if (icon == null) { icon = getResources().getDrawable(com.aceshooting.rssapp.R.drawable.icon); } CompatibilityHelper.setActionBarDrawable(this, icon); } else { setFeatureDrawable(Window.FEATURE_LEFT_ICON, icon); } } long timestamp = entryCursor.getLong(datePosition); Date date = new Date(timestamp); StringBuilder dateStringBuilder = new StringBuilder(DateFormat.getDateFormat(this).format(date)).append(' ').append(DateFormat.getTimeFormat(this).format(date)); String author = entryCursor.getString(authorPosition); if (feedName != null && feedName.length() > 0) { dateStringBuilder.append(' ').append(feedName); } if (author != null && author.length() > 0) { dateStringBuilder.append(BRACKET).append(author).append(')'); } ((TextView) findViewById(R.id.entry_date)).setText(dateStringBuilder); final ImageView imageView = (ImageView) findViewById(android.R.id.icon); favorite = entryCursor.getInt(favoritePosition) == 1; imageView.setImageResource(favorite ? android.R.drawable.star_on : android.R.drawable.star_off); imageView.setOnClickListener(new OnClickListener() { public void onClick(View view) { favorite = !favorite; imageView.setImageResource(favorite ? android.R.drawable.star_on : android.R.drawable.star_off); ContentValues values = new ContentValues(); values.put(FeedData.EntryColumns.FAVORITE, favorite ? 1 : 0); getContentResolver().update(uri, values, null, null); } }); // loadData does not recognize the encoding without correct html-header localPictures = abstractText.indexOf(Strings.IMAGEID_REPLACEMENT) > -1; if (localPictures) { abstractText = abstractText.replace(Strings.IMAGEID_REPLACEMENT, _id+Strings.IMAGEFILE_IDSEPARATOR); } if (preferences.getBoolean(Strings.SETTINGS_DISABLEPICTURES, false)) { abstractText = abstractText.replaceAll(Strings.HTML_IMG_REGEX, Strings.EMPTY); webView.getSettings().setBlockNetworkImage(true); } else { if (webView.getSettings().getBlockNetworkImage()) { /* * setBlockNetwortImage(false) calls postSync, which takes time, * so we clean up the html first and change the value afterwards */ webView.loadData(Strings.EMPTY, TEXT_HTML, UTF8); webView.getSettings().setBlockNetworkImage(false); } } int fontsize = Integer.parseInt(preferences.getString(Strings.SETTINGS_FONTSIZE, Strings.ONE)); /* if (abstractText.indexOf('<') > -1 && abstractText.indexOf('>') > -1) { abstractText = abstractText.replace(NEWLINE, BR); } */ if (MainTabActivity.isLightTheme(this) || preferences.getBoolean(Strings.SETTINGS_BLACKTEXTONWHITE, false)) { if (fontsize > 0) { webView.loadDataWithBaseURL(null, new StringBuilder(CSS).append(FONTSIZE_START).append(fontsize).append(FONTSIZE_MIDDLE).append(abstractText).append(FONTSIZE_END).toString(), TEXT_HTML, UTF8, null); } else { webView.loadDataWithBaseURL(null, new StringBuilder(CSS).append(BODY_START).append(abstractText).append(BODY_END).toString(), TEXT_HTML, UTF8, null); } webView.setBackgroundColor(Color.WHITE); content.setBackgroundColor(Color.WHITE); } else { if (fontsize > 0) { webView.loadDataWithBaseURL(null, new StringBuilder(FONT_FONTSIZE_START).append(fontsize).append(FONTSIZE_MIDDLE).append(abstractText).append(FONT_END).toString(), TEXT_HTML, UTF8, null); } else { webView.loadDataWithBaseURL(null, new StringBuilder(FONT_START).append(abstractText).append(BODY_END).toString(), TEXT_HTML, UTF8, null); } webView.setBackgroundColor(Color.BLACK); content.setBackgroundColor(Color.BLACK); } if (link != null && link.length() > 0) { urlButton.setEnabled(true); urlButton.setAlpha(BUTTON_ALPHA+20); urlButton.setOnClickListener(new OnClickListener() { public void onClick(View view) { startActivityForResult(new Intent(Intent.ACTION_VIEW, Uri.parse(link)), 0); } }); } else { urlButton.setEnabled(false); urlButton.setAlpha(80); } final String enclosure = entryCursor.getString(enclosurePosition); if (enclosure != null && enclosure.length() > 6 && enclosure.indexOf(IMAGE_ENCLOSURE) == -1) { playButton.setVisibility(View.VISIBLE); playButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { final int position1 = enclosure.indexOf(Strings.ENCLOSURE_SEPARATOR); final int position2 = enclosure.indexOf(Strings.ENCLOSURE_SEPARATOR, position1+3); final Uri uri = Uri.parse(enclosure.substring(0, position1)); if (preferences.getBoolean(Strings.SETTINGS_ENCLOSUREWARNINGSENABLED, true)) { Builder builder = new AlertDialog.Builder(EntryActivity.this); builder.setTitle(R.string.question_areyousure); builder.setIcon(android.R.drawable.ic_dialog_alert); if (position2+4 > enclosure.length()) { builder.setMessage(getString(R.string.question_playenclosure, uri, position2+4 > enclosure.length() ? Strings.QUESTIONMARKS : enclosure.substring(position2+3))); } else { try { builder.setMessage(getString(R.string.question_playenclosure, uri, (Integer.parseInt(enclosure.substring(position2+3)) / 1024f)+getString(R.string.kb))); } catch (Exception e) { builder.setMessage(getString(R.string.question_playenclosure, uri, enclosure.substring(position2+3))); } } builder.setCancelable(true); builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { showEnclosure(uri, enclosure, position1, position2); } }); builder.setNeutralButton(R.string.button_alwaysokforall, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { preferences.edit().putBoolean(Strings.SETTINGS_ENCLOSUREWARNINGSENABLED, false).commit(); showEnclosure(uri, enclosure, position1, position2); } }); builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }); builder.show(); } else { showEnclosure(uri, enclosure, position1, position2); } } }); } else { playButton.setVisibility(View.GONE); } entryCursor.close(); setupButton(previousButton, false, timestamp); setupButton(nextButton, true, timestamp); webView.scrollTo(scrollX, scrollY); // resets the scrolling } } else { entryCursor.close(); } /* new Thread() { public void run() { sendBroadcast(new Intent(Strings.ACTION_UPDATEWIDGET)); // this is slow } }.start(); */ } private void showEnclosure(Uri uri, String enclosure, int position1, int position2) { try { startActivityForResult(new Intent(Intent.ACTION_VIEW).setDataAndType(uri, enclosure.substring(position1+3, position2)), 0); } catch (Exception e) { try { startActivityForResult(new Intent(Intent.ACTION_VIEW, uri), 0); // fallbackmode - let the browser handle this } catch (Throwable t) { Toast.makeText(EntryActivity.this, t.getMessage(), Toast.LENGTH_LONG).show(); } } } private void setupButton(ImageButton button, final boolean successor, long date) { StringBuilder queryString = new StringBuilder(DATE).append(date).append(AND_ID).append(successor ? '>' : '<').append(_id).append(')').append(OR_DATE).append(successor ? '<' : '>').append(date); if (hideRead) { queryString.append(Strings.DB_AND).append(EntriesListAdapter.READDATEISNULL); } Cursor cursor = getContentResolver().query(parentUri, new String[] {FeedData.EntryColumns._ID}, queryString.toString() , null, successor ? DESC : ASC); if (cursor.moveToFirst()) { button.setEnabled(true); button.setAlpha(BUTTON_ALPHA); final String id = cursor.getString(0); if (successor) { _nextId = id; } else { _previousId = id; } button.setOnClickListener(new OnClickListener() { public void onClick(View view) { if (successor) { nextEntry(false); } else { previousEntry(false); } } }); } else { button.setEnabled(false); button.setAlpha(60); } cursor.close(); } private void switchEntry(String id, boolean animate, Animation inAnimation, Animation outAnimation) { uri = parentUri.buildUpon().appendPath(id).build(); getIntent().setData(uri); scrollX = 0; scrollY = 0; if (animate) { WebView dummy = webView; // switch reference webView = webView0; webView0 = dummy; } reload(); if (animate) { viewFlipper.setInAnimation(inAnimation); viewFlipper.setOutAnimation(outAnimation); viewFlipper.addView(webView, layoutParams); viewFlipper.showNext(); viewFlipper.removeViewAt(0); } } private void nextEntry(boolean animate) { switchEntry(_nextId, animate, Animations.SLIDE_IN_RIGHT, Animations.SLIDE_OUT_LEFT); } private void previousEntry(boolean animate) { switchEntry(_previousId, animate, Animations.SLIDE_IN_LEFT, Animations.SLIDE_OUT_RIGHT); } @Override protected void onPause() { super.onPause(); if (MainTabActivity.POSTGINGERBREAD) { CompatibilityHelper.onPause(webView); } scrollX = webView.getScrollX(); scrollY = webView.getScrollY(); } @Override protected void onSaveInstanceState(Bundle outState) { webView.saveState(outState); super.onSaveInstanceState(outState); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.entry, menu); return true; } @Override public boolean onMenuItemSelected(int featureId, MenuItem item) { switch (item.getItemId()) { case R.id.menu_copytoclipboard: { if (link != null) { ((ClipboardManager) getSystemService(CLIPBOARD_SERVICE)).setText(link); } break; } /*case R.id.menu_delete: { getContentResolver().delete(uri, null, null); if (localPictures) { FeedData.deletePicturesOfEntry(_id); } if (nextButton.isEnabled()) { nextButton.performClick(); } else { if (previousButton.isEnabled()) { previousButton.performClick(); } else { finish(); } } break; }*/ case R.id.menu_share: { if (link != null) { startActivity(Intent.createChooser(new Intent(Intent.ACTION_SEND).putExtra(Intent.EXTRA_TEXT, link).setType(TEXTPLAIN), getString(R.string.menu_share))); } break; } } return true; } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_DOWN) { if (keyCode == 92 || keyCode == 94) { scrollUp(); return true; } else if (keyCode == 93 || keyCode == 95) { scrollDown(); return true; } } return super.onKeyDown(keyCode, event); } private void scrollUp() { if (webView != null) { webView.pageUp(false); } } private void scrollDown() { if (webView != null) { webView.pageDown(false); } } /** * Works around android issue 6191 */ @Override public void unregisterReceiver(BroadcastReceiver receiver) { try { super.unregisterReceiver(receiver); } catch (Exception e) { // do nothing } } }