/** Places the main view panel at the appropriate resting coordinates. */
private void positionMainPanel() {
Preconditions.checkNotNull(mMainPanel);
float x =
mPopupWindow.getWidth() - (mMainPanel.getView().getMeasuredWidth() + mMarginHorizontal);
mContentContainer.setX(x);
float y = mMarginVertical;
if (mOverflowDirection == OVERFLOW_DIRECTION_UP) {
y = getHeight() - (mMainPanel.getView().getMeasuredHeight() + mMarginVertical);
}
mContentContainer.setY(y);
setContentAreaAsTouchableSurface();
}
/** Sets the current content to be the main view panel. */
private void setMainPanelAsContent() {
// This should never be called if the main panel has not been initialized.
Preconditions.checkNotNull(mMainPanel);
mContentContainer.removeAllViews();
Size mainPanelSize = mMainPanel.measure();
ViewGroup.LayoutParams params = mContentContainer.getLayoutParams();
params.width = mainPanelSize.getWidth();
params.height = mainPanelSize.getHeight();
mContentContainer.setLayoutParams(params);
mContentContainer.addView(mMainPanel.getView());
setContentAreaAsTouchableSurface();
}
/** Prepares the content container for show and update calls. */
private void preparePopupContent() {
// Reset visibility.
if (mMainPanel != null) {
mMainPanel.fadeIn(false);
}
if (mOverflowPanel != null) {
mOverflowPanel.fadeIn(false);
}
// Reset position.
if (mMainPanel != null && mContentContainer.getChildAt(0) == mMainPanel.getView()) {
positionMainPanel();
}
if (mOverflowPanel != null && mContentContainer.getChildAt(0) == mOverflowPanel.getView()) {
positionOverflowPanel();
}
}