ActionMode startSupportActionModeFromWindow(ActionMode.Callback callback) {
if (mActionMode != null) {
mActionMode.finish();
}
final ActionMode.Callback wrappedCallback = new ActionModeCallbackWrapper(callback);
if (mActionModeView == null) {
// Use the action bar theme.
final Context actionBarContext;
actionBarContext =
ThemeUtils.getActionBarThemedContext(
mActivity, mThemed.getCurrentThemeResourceId(), mThemed.getCurrentThemeColor());
mActionModeView = new ActionBarContextView(actionBarContext);
mActionModePopup =
new PopupWindow(
actionBarContext,
null,
android.support.v7.appcompat.R.attr.actionModePopupWindowStyle);
mActionModePopup.setContentView(mActionModeView);
final TypedValue outValue = new TypedValue();
actionBarContext
.getTheme()
.resolveAttribute(android.support.v7.appcompat.R.attr.actionBarSize, outValue, true);
final int height =
TypedValue.complexToDimensionPixelSize(
outValue.data, actionBarContext.getResources().getDisplayMetrics());
mActionModeView.setContentHeight(height);
ThemeUtils.setActionBarContextViewBackground(
mActionModeView,
mThemed.getCurrentThemeResourceId(),
mThemed.getCurrentThemeColor(),
mThemed.getCurrentThemeBackgroundOption(),
false);
mActionModePopup.setHeight(ViewGroup.LayoutParams.WRAP_CONTENT);
final Rect actionModeBounds = getActionModeBounds();
if (actionModeBounds != null) {
mActionModePopup.setWidth(actionModeBounds.width());
} else {
mActionModePopup.setWidth(ViewGroup.LayoutParams.MATCH_PARENT);
}
mShowActionModePopup =
new Runnable() {
@Override
public void run() {
if (actionModeBounds != null) {
mActionModePopup.showAtLocation(
mWindow.getDecorView(),
Gravity.TOP | Gravity.LEFT,
actionModeBounds.left,
actionModeBounds.top);
} else {
mActionModePopup.showAtLocation(
mWindow.getDecorView(), Gravity.TOP | Gravity.LEFT, 0, 0);
}
}
};
}
if (mActionModeView != null) {
mActionModeView.killMode();
ActionMode mode =
new StandaloneActionMode(
mActionModeView.getContext(),
mActionModeView,
wrappedCallback,
mActionModePopup == null);
if (callback.onCreateActionMode(mode, mode.getMenu())) {
mode.invalidate();
mActionModeView.initForMode(mode);
mActionModeView.setVisibility(View.VISIBLE);
mActionMode = mode;
if (mActionModePopup != null) {
mWindow.getDecorView().post(mShowActionModePopup);
}
mActionModeView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
if (mActionModeView.getParent() != null) {
ViewCompat.requestApplyInsets((View) mActionModeView.getParent());
}
} else {
mActionMode = null;
}
}
if (mActionMode != null && mAppCompatCallback != null) {
mAppCompatCallback.onSupportActionModeStarted(mActionMode);
}
return mActionMode;
}