gecko-dev/mobile/android/base/menu/MenuPopup.java

69 строки
2.2 KiB
Java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.menu;
import org.mozilla.gecko.R;
import android.content.Context;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
/**
* A popup to show the inflated MenuPanel.
*/
public class MenuPopup extends PopupWindow {
private LinearLayout mPanel;
private int mYOffset;
private int mPopupWidth;
public MenuPopup(Context context) {
super(context);
setFocusable(true);
mYOffset = context.getResources().getDimensionPixelSize(R.dimen.menu_popup_offset);
mPopupWidth = context.getResources().getDimensionPixelSize(R.dimen.menu_popup_width);
// Setting a null background makes the popup to not close on touching outside.
setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
setWindowLayoutMode(View.MeasureSpec.makeMeasureSpec(mPopupWidth, View.MeasureSpec.AT_MOST),
ViewGroup.LayoutParams.WRAP_CONTENT);
LayoutInflater inflater = LayoutInflater.from(context);
mPanel = (LinearLayout) inflater.inflate(R.layout.menu_popup, null);
setContentView(mPanel);
setAnimationStyle(R.style.PopupAnimation);
}
/**
* Adds the panel with the menu to its content.
*
* @param view The panel view with the menu to be shown.
*/
public void setPanelView(View view) {
view.setLayoutParams(new LinearLayout.LayoutParams(mPopupWidth,
LinearLayout.LayoutParams.WRAP_CONTENT));
mPanel.removeAllViews();
mPanel.addView(view);
}
/**
* A small little offset.
*/
@Override
public void showAsDropDown(View anchor) {
showAsDropDown(anchor, 0, -mYOffset);
}
}