/**
* Constructor for default vertical layout
*
* @param context Context
*/
public PopupMenuNative(Context context, View view) {
mContext = context;
mView = view;
mAdapter = new MenuAdapter(context);
mMenu = new MenuImpl(mContext, mAdapter);
mWindow = new ListPopupWindow(context);
mWindow.setInputMethodMode(INPUT_METHOD_NOT_NEEDED);
mWindow.setAnchorView(mView);
mWindow.setWidth(mContext.getResources().getDimensionPixelSize(R.dimen.popup_window_width));
mWindow.setAdapter(mAdapter);
mWindow.setOnItemClickListener(this);
mWindow.setPromptPosition(ListPopupWindow.POSITION_PROMPT_BELOW);
mWindow.setModal(true);
}
/**
* Creates and shows the app menu anchored to the specified view.
*
* @param context The context of the AppMenu (ensure the proper theme is set on this context).
* @param anchorView The anchor {@link View} of the {@link ListPopupWindow}.
* @param isByPermanentButton Whether or not permanent hardware button triggered it. (oppose to
* software button or keyboard).
* @param screenRotation Current device screen rotation.
* @param visibleDisplayFrame The display area rect in which AppMenu is supposed to fit in.
* @param screenHeight Current device screen height.
* @param footerResourceId The resource id for a view to add to the end of the menu list. Can be 0
* if no such view is required.
*/
void show(
Context context,
View anchorView,
boolean isByPermanentButton,
int screenRotation,
Rect visibleDisplayFrame,
int screenHeight,
int footerResourceId) {
mPopup = new ListPopupWindow(context, null, android.R.attr.popupMenuStyle);
mPopup.setModal(true);
mPopup.setAnchorView(anchorView);
mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NOT_NEEDED);
int footerHeight = 0;
if (footerResourceId != 0) {
mPopup.setPromptPosition(ListPopupWindow.POSITION_PROMPT_BELOW);
View promptView = LayoutInflater.from(context).inflate(footerResourceId, null);
mPopup.setPromptView(promptView);
int measureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
promptView.measure(measureSpec, measureSpec);
footerHeight = promptView.getMeasuredHeight();
}
mPopup.setOnDismissListener(
new OnDismissListener() {
@Override
public void onDismiss() {
if (mPopup.getAnchorView() instanceof ImageButton) {
((ImageButton) mPopup.getAnchorView()).setSelected(false);
}
if (mMenuItemEnterAnimator != null) mMenuItemEnterAnimator.cancel();
mHandler.appMenuDismissed();
mHandler.onMenuVisibilityChanged(false);
}
});
// Some OEMs don't actually let us change the background... but they still return the
// padding of the new background, which breaks the menu height. If we still have a
// drawable here even though our style says @null we should use this padding instead...
Drawable originalBgDrawable = mPopup.getBackground();
// Need to explicitly set the background here. Relying on it being set in the style caused
// an incorrectly drawn background.
if (isByPermanentButton) {
mPopup.setBackgroundDrawable(
ApiCompatibilityUtils.getDrawable(context.getResources(), R.drawable.menu_bg));
} else {
mPopup.setBackgroundDrawable(
ApiCompatibilityUtils.getDrawable(context.getResources(), R.drawable.edge_menu_bg));
mPopup.setAnimationStyle(R.style.OverflowMenuAnim);
}
// Turn off window animations for low end devices, and on Android M, which has built-in menu
// animations.
if (SysUtils.isLowEndDevice() || Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
mPopup.setAnimationStyle(0);
}
Rect bgPadding = new Rect();
mPopup.getBackground().getPadding(bgPadding);
int popupWidth =
context.getResources().getDimensionPixelSize(R.dimen.menu_width)
+ bgPadding.left
+ bgPadding.right;
mPopup.setWidth(popupWidth);
mCurrentScreenRotation = screenRotation;
mIsByPermanentButton = isByPermanentButton;
// Extract visible items from the Menu.
int numItems = mMenu.size();
List<MenuItem> menuItems = new ArrayList<MenuItem>();
for (int i = 0; i < numItems; ++i) {
MenuItem item = mMenu.getItem(i);
if (item.isVisible()) {
menuItems.add(item);
}
}
Rect sizingPadding = new Rect(bgPadding);
if (isByPermanentButton && originalBgDrawable != null) {
Rect originalPadding = new Rect();
originalBgDrawable.getPadding(originalPadding);
sizingPadding.top = originalPadding.top;
sizingPadding.bottom = originalPadding.bottom;
}
// A List adapter for visible items in the Menu. The first row is added as a header to the
// list view.
mAdapter = new AppMenuAdapter(this, menuItems, LayoutInflater.from(context));
mPopup.setAdapter(mAdapter);
setMenuHeight(menuItems.size(), visibleDisplayFrame, screenHeight, sizingPadding, footerHeight);
setPopupOffset(mPopup, mCurrentScreenRotation, visibleDisplayFrame, sizingPadding);
mPopup.setOnItemClickListener(this);
mPopup.show();
mPopup.getListView().setItemsCanFocus(true);
mPopup.getListView().setOnKeyListener(this);
mHandler.onMenuVisibilityChanged(true);
if (mVerticalFadeDistance > 0) {
mPopup.getListView().setVerticalFadingEdgeEnabled(true);
mPopup.getListView().setFadingEdgeLength(mVerticalFadeDistance);
}
// Don't animate the menu items for low end devices.
if (!SysUtils.isLowEndDevice() && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
mPopup
.getListView()
.addOnLayoutChangeListener(
new View.OnLayoutChangeListener() {
@Override
public void onLayoutChange(
View v,
int left,
int top,
int right,
int bottom,
int oldLeft,
int oldTop,
int oldRight,
int oldBottom) {
mPopup.getListView().removeOnLayoutChangeListener(this);
runMenuItemEnterAnimations();
}
});
}
}