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Apache License
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package fi.harism.lucidchat.quickaction; /* ww w .j ava 2 s .c om*/ import java.util.ArrayList; import java.util.List; import android.content.Context; import android.graphics.Rect; import android.graphics.drawable.Drawable; import android.view.Gravity; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.view.ViewGroup.LayoutParams; import android.widget.ImageView; import android.widget.PopupWindow.OnDismissListener; import android.widget.ScrollView; import android.widget.TextView; import fi.harism.lucidchat.R; /** * QuickAction dialog, shows action list as icon and text like the one in * Gallery3D app. Currently supports vertical and horizontal layout. * * @author Lorensius W. L. T <lorenz@londatiga.net> * * Contributors: - Kevin Peck <kevinwpeck@gmail.com> */ public class QuickAction extends PopupWindows implements OnDismissListener { public static final int ANIM_AUTO = 5; public static final int ANIM_GROW_FROM_CENTER = 3; public static final int ANIM_GROW_FROM_LEFT = 1; public static final int ANIM_GROW_FROM_RIGHT = 2; public static final int ANIM_REFLECT = 4; private List<ActionItem> actionItems = new ArrayList<ActionItem>(); private int mAnimStyle; private ImageView mArrowDown; private ImageView mArrowUp; private int mChildPos; private boolean mDidAction; private OnDismissListener mDismissListener; private LayoutInflater mInflater; private int mInsertPos; private OnActionItemClickListener mItemClickListener; private View mRootView; private ScrollView mScroller; private ViewGroup mTrack; private int rootWidth = 0; /** * Constructor for default vertical layout * * @param context * Context */ public QuickAction(Context context) { super(context); mInflater = (LayoutInflater) context .getSystemService(Context.LAYOUT_INFLATER_SERVICE); setRootViewId(R.layout.popup_vertical); mAnimStyle = ANIM_AUTO; mChildPos = 0; } /** * Add action item * * @param action * {@link ActionItem} */ public void addActionItem(ActionItem action) { actionItems.add(action); String title = action.getTitle(); Drawable icon = action.getIcon(); View container; container = mInflater.inflate(R.layout.action_item_vertical, null); TextView text = (TextView) container.findViewById(R.id.tv_title); if (title != null) { text.setText(title); } else { text.setVisibility(View.GONE); } final int pos = mChildPos; final int actionId = action.getActionId(); container.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (mItemClickListener != null) { mItemClickListener.onItemClick(QuickAction.this, pos, actionId); } if (!getActionItem(pos).isSticky()) { mDidAction = true; dismiss(); } } }); container.setFocusable(true); container.setClickable(true); mTrack.addView(container, mInsertPos); mChildPos++; mInsertPos++; } /** * Get action item at an index * * @param index * Index of item (position from callback) * * @return Action Item at the position */ public ActionItem getActionItem(int index) { return actionItems.get(index); } @Override public void onDismiss() { if (!mDidAction && mDismissListener != null) { mDismissListener.onDismiss(); } } /** * Set animation style * * @param screenWidth * screen width * @param requestedX * distance from left edge * @param onTop * flag to indicate where the popup should be displayed. Set TRUE * if displayed on top of anchor view and vice versa */ private void setAnimationStyle(int screenWidth, int requestedX, boolean onTop) { int arrowPos = requestedX - mArrowUp.getMeasuredWidth() / 2; switch (mAnimStyle) { case ANIM_GROW_FROM_LEFT: mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Left : R.style.Animations_PopDownMenu_Left); break; case ANIM_GROW_FROM_RIGHT: mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Right : R.style.Animations_PopDownMenu_Right); break; case ANIM_GROW_FROM_CENTER: mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Center : R.style.Animations_PopDownMenu_Center); break; case ANIM_REFLECT: mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Reflect : R.style.Animations_PopDownMenu_Reflect); break; case ANIM_AUTO: if (arrowPos <= screenWidth / 4) { mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Left : R.style.Animations_PopDownMenu_Left); } else if (arrowPos > screenWidth / 4 && arrowPos < 3 * (screenWidth / 4)) { mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Center : R.style.Animations_PopDownMenu_Center); } else { mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Right : R.style.Animations_PopDownMenu_Right); } break; } } /** * Set animation style * * @param mAnimStyle * animation style, default is set to ANIM_AUTO */ public void setAnimStyle(int mAnimStyle) { this.mAnimStyle = mAnimStyle; } /** * Set listener for action item clicked. * * @param listener * Listener */ public void setOnActionItemClickListener(OnActionItemClickListener listener) { mItemClickListener = listener; } /** * Set listener for window dismissed. This listener will only be fired if * the quicakction dialog is dismissed by clicking outside the dialog or * clicking on sticky item. */ public void setOnDismissListener(QuickAction.OnDismissListener listener) { setOnDismissListener(this); mDismissListener = listener; } /** * Set root view. * * @param id * Layout resource id */ public void setRootViewId(int id) { mRootView = mInflater.inflate(id, null); mTrack = (ViewGroup) mRootView.findViewById(R.id.tracks); mArrowDown = (ImageView) mRootView.findViewById(R.id.arrow_down); mArrowUp = (ImageView) mRootView.findViewById(R.id.arrow_up); mScroller = (ScrollView) mRootView.findViewById(R.id.scroller); // This was previously defined on show() method, moved here to prevent // force close that occured // when tapping fastly on a view to show quickaction dialog. // Thanx to zammbi (github.com/zammbi) mRootView.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); setContentView(mRootView); } /** * Show quickaction popup. Popup is automatically positioned, on top or * bottom of anchor view. * */ public void show(View anchor) { preShow(); int xPos, yPos, arrowPos; mDidAction = false; int[] location = new int[2]; anchor.getLocationOnScreen(location); Rect anchorRect = new Rect(location[0], location[1], location[0] + anchor.getWidth(), location[1] + anchor.getHeight()); // mRootView.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, // LayoutParams.WRAP_CONTENT)); mRootView.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); int rootHeight = mRootView.getMeasuredHeight(); if (rootWidth == 0) { rootWidth = mRootView.getMeasuredWidth(); } int screenWidth = mWindowManager.getDefaultDisplay().getWidth(); int screenHeight = mWindowManager.getDefaultDisplay().getHeight(); // automatically get X coord of popup (top left) if ((anchorRect.left + rootWidth) > screenWidth) { xPos = anchorRect.left - (rootWidth - anchor.getWidth()); xPos = (xPos < 0) ? 0 : xPos; arrowPos = anchorRect.centerX() - xPos; } else { if (anchor.getWidth() > rootWidth) { xPos = anchorRect.centerX() - (rootWidth / 2); } else { xPos = anchorRect.left; } arrowPos = anchorRect.centerX() - xPos; } int dyTop = anchorRect.top; int dyBottom = screenHeight - anchorRect.bottom; boolean onTop = (dyTop > dyBottom) ? true : false; if (onTop) { if (rootHeight > dyTop) { yPos = 15; LayoutParams l = mScroller.getLayoutParams(); l.height = dyTop - anchor.getHeight(); } else { yPos = anchorRect.top - rootHeight; } } else { yPos = anchorRect.bottom; if (rootHeight > dyBottom) { LayoutParams l = mScroller.getLayoutParams(); l.height = dyBottom; } } showArrow(((onTop) ? R.id.arrow_down : R.id.arrow_up), arrowPos); setAnimationStyle(screenWidth, anchorRect.centerX(), onTop); mWindow.showAtLocation(anchor, Gravity.NO_GRAVITY, xPos, yPos); } /** * Show arrow * * @param whichArrow * arrow type resource id * @param requestedX * distance from left screen */ private void showArrow(int whichArrow, int requestedX) { final View showArrow = (whichArrow == R.id.arrow_up) ? mArrowUp : mArrowDown; final View hideArrow = (whichArrow == R.id.arrow_up) ? mArrowDown : mArrowUp; final int arrowWidth = mArrowUp.getMeasuredWidth(); showArrow.setVisibility(View.VISIBLE); ViewGroup.MarginLayoutParams param = (ViewGroup.MarginLayoutParams) showArrow .getLayoutParams(); param.leftMargin = requestedX - arrowWidth / 2; hideArrow.setVisibility(View.INVISIBLE); } /** * Listener for item click * */ public interface OnActionItemClickListener { public abstract void onItemClick(QuickAction source, int pos, int actionId); } /** * Listener for window dismiss * */ public interface OnDismissListener { public abstract void onDismiss(); } }