gecko/mobile/android/base/DoorHangerPopup.java

171 lines
5.4 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;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.content.Context;
import android.graphics.drawable.BitmapDrawable;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
import android.widget.RelativeLayout;
import java.util.HashMap;
public class DoorHangerPopup extends PopupWindow {
private static final String LOGTAG = "GeckoDoorHangerPopup";
private Context mContext;
private LinearLayout mContent;
private boolean mInflated;
private ImageView mArrow;
private int mArrowWidth;
public DoorHangerPopup(Context aContext) {
super(aContext);
mContext = aContext;
mInflated = false;
mArrowWidth = aContext.getResources().getDimensionPixelSize(R.dimen.doorhanger_arrow_width);
}
private void init() {
setBackgroundDrawable(new BitmapDrawable());
setOutsideTouchable(true);
setFocusable(true);
setWindowLayoutMode(GeckoApp.mAppContext.isTablet() ? ViewGroup.LayoutParams.WRAP_CONTENT : ViewGroup.LayoutParams.FILL_PARENT,
ViewGroup.LayoutParams.WRAP_CONTENT);
LayoutInflater inflater = LayoutInflater.from(mContext);
RelativeLayout layout = (RelativeLayout) inflater.inflate(R.layout.doorhangerpopup, null);
mArrow = (ImageView) layout.findViewById(R.id.doorhanger_arrow);
mContent = (LinearLayout) layout.findViewById(R.id.doorhanger_container);
setContentView(layout);
mInflated = true;
}
public void addDoorHanger(String message, String value, JSONArray buttons,
Tab tab, JSONObject options, View v) {
Log.i(LOGTAG, "Adding a DoorHanger to Tab: " + tab.getId());
if (!mInflated)
init();
// Replace the doorhanger if it already exists
DoorHanger dh = tab.getDoorHanger(value);
if (dh != null) {
tab.removeDoorHanger(value);
}
dh = new DoorHanger(mContent.getContext(), value);
// Set the doorhanger text and buttons
dh.setText(message);
for (int i = 0; i < buttons.length(); i++) {
try {
JSONObject buttonObject = buttons.getJSONObject(i);
String label = buttonObject.getString("label");
int callBackId = buttonObject.getInt("callback");
dh.addButton(label, callBackId);
} catch (JSONException e) {
Log.i(LOGTAG, "JSON throws", e);
}
}
dh.setOptions(options);
dh.setTab(tab);
tab.addDoorHanger(value, dh);
mContent.addView(dh);
// Only update the popup if we're adding a notifcation to the selected tab
if (tab.equals(Tabs.getInstance().getSelectedTab()))
updatePopup(v);
}
// Updates popup contents to show doorhangers for the selected tab
public void updatePopup() {
updatePopup(null);
}
public void updatePopup(View v) {
Tab tab = Tabs.getInstance().getSelectedTab();
if (tab == null) {
hidePopup();
return;
}
Log.i(LOGTAG, "Showing all doorhangers for tab: " + tab.getId());
HashMap<String, DoorHanger> doorHangers = tab.getDoorHangers();
// Hide the popup if there aren't any doorhangers to show
if (doorHangers == null || doorHangers.size() == 0) {
hidePopup();
return;
}
if (!mInflated)
init();
// Hide old doorhangers
for (int i = 0; i < mContent.getChildCount(); i++) {
DoorHanger dh = (DoorHanger) mContent.getChildAt(i);
dh.hide();
}
// Show the doorhangers for the tab
for (DoorHanger dh : doorHangers.values()) {
dh.show();
}
if (v == null)
showAtLocation(((GeckoApp)mContext).getView(), Gravity.TOP, 0, 0);
else
showPopup(v);
}
public void hidePopup() {
if (isShowing()) {
dismiss();
}
}
public void showPopup(View v) {
fixBackgroundForFirst();
if (isShowing()) {
update();
return;
}
// On tablets, we need to position the popup so that the center of the arrow points to the
// center of the anchor view. On phones the popup stretches across the entire screen, so the
// arrow position is determined by its left margin.
int offset = GeckoApp.mAppContext.isTablet() ? v.getWidth()/2 - mArrowWidth/2 -
((RelativeLayout.LayoutParams) mArrow.getLayoutParams()).leftMargin : 0;
showAsDropDown(v, offset, 0);
}
private void fixBackgroundForFirst() {
for (int i=0; i < mContent.getChildCount(); i++) {
DoorHanger dh = (DoorHanger) mContent.getChildAt(i);
if (dh.isVisible()) {
dh.setBackgroundResource(R.drawable.doorhanger_bg);
break;
}
}
}
}