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/* -*- 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.widget;
import org.mozilla.gecko.AppConstants.Versions;
import org.mozilla.gecko.R;
import android.app.Activity;
import android.content.Context;
import android.graphics.drawable.BitmapDrawable;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
import org.mozilla.gecko.util.HardwareUtils;
/**
* AnchoredPopup is the base class for doorhanger notifications, and is anchored to the urlbar.
*/
public abstract class AnchoredPopup extends PopupWindow {
public interface OnVisibilityChangeListener {
public void onDoorHangerShow();
public void onDoorHangerHide();
}
private View mAnchor;
private OnVisibilityChangeListener onVisibilityChangeListener;
protected RoundedCornerLayout mContent;
protected boolean mInflated;
protected final Context mContext;
public AnchoredPopup(Context context) {
super(context);
mContext = context;
setAnimationStyle(R.style.PopupAnimation);
}
protected void init() {
// Hide the default window background. Passing null prevents the below setOutTouchable()
// call from working, so use an empty BitmapDrawable instead.
setBackgroundDrawable(new BitmapDrawable(mContext.getResources()));
// Allow the popup to be dismissed when touching outside.
setOutsideTouchable(true);
// PopupWindow has a default width and height of 0, so set the width here.
int width = (int) mContext.getResources().getDimension(R.dimen.doorhanger_width);
setWindowLayoutMode(0, ViewGroup.LayoutParams.WRAP_CONTENT);
setWidth(width);
final LayoutInflater inflater = LayoutInflater.from(mContext);
final View layout = inflater.inflate(R.layout.anchored_popup, null);
setContentView(layout);
mContent = (RoundedCornerLayout) layout.findViewById(R.id.content);
mInflated = true;
}
/**
* Sets the anchor for this popup.
*
* @param anchor Anchor view for positioning the arrow.
*/
public void setAnchor(View anchor) {
mAnchor = anchor;
}
public void setOnVisibilityChangeListener(OnVisibilityChangeListener listener) {
onVisibilityChangeListener = listener;
}
/**
* Shows the popup with the arrow pointing to the center of the anchor view. If the anchor
* isn't visible, the popup will just be shown at the top of the root view.
*/
public void show() {
if (!mInflated) {
throw new IllegalStateException("ArrowPopup#init() must be called before ArrowPopup#show()");
}
if (onVisibilityChangeListener != null) {
onVisibilityChangeListener.onDoorHangerShow();
}
final int[] anchorLocation = new int[2];
if (mAnchor != null) {
mAnchor.getLocationInWindow(anchorLocation);
}
// The doorhanger should overlap the bottom of the urlbar.
int offsetY = mContext.getResources().getDimensionPixelOffset(R.dimen.doorhanger_offsetY);
final View decorView = ((Activity) mContext).getWindow().getDecorView();
final boolean validAnchor = (mAnchor != null) && (anchorLocation[1] > 0);
if (HardwareUtils.isTablet()) {
if (validAnchor) {
showAsDropDown(mAnchor, 0, 0);
} else {
// The anchor will be offscreen if the dynamic toolbar is hidden, so anticipate the re-shown position
// of the toolbar.
final int offsetX = mContext.getResources().getDimensionPixelOffset(R.dimen.doorhanger_offsetX);
showAtLocation(decorView, Gravity.TOP | Gravity.LEFT, offsetX, offsetY);
}
} else {
// If the anchor is null or out of the window bounds, just show the popup at the top of the
// root view.
final View anchor = validAnchor ? mAnchor : decorView;
showAtLocation(anchor, Gravity.TOP | Gravity.CENTER_HORIZONTAL, 0, offsetY);
}
}
@Override
public void dismiss() {
super.dismiss();
if (onVisibilityChangeListener != null) {
onVisibilityChangeListener.onDoorHangerHide();
}
}
}
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