gecko/mobile/android/base/widget/GeckoActionProvider.java
Sriram Ramasubramanian e260096467 Bug 884566: Don't show default activity until some activity is choosen for first time in QuickShare. [r=mfinkle]
--HG--
extra : rebase_source : 4ede125667edcbed18559f3346ee559f5d5cb7bc
2013-06-24 15:49:16 -07:00

141 lines
4.7 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.widget;
import org.mozilla.gecko.menu.MenuItemActionView;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.graphics.drawable.Drawable;
import android.view.ActionProvider;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.SubMenu;
import android.view.View;
import android.view.View.OnClickListener;
public class GeckoActionProvider extends ActionProvider {
/**
* A listener to know when a target was selected.
* When setting a provider, the activity can listen to this,
* to close the menu.
*/
public interface OnTargetSelectedListener {
public void onTargetSelected();
}
private final Context mContext;
public static final String DEFAULT_HISTORY_FILE_NAME = "history.xml";
// History file.
private String mHistoryFileName = DEFAULT_HISTORY_FILE_NAME;
private OnTargetSelectedListener mOnTargetListener;
private final Callbacks mCallbacks = new Callbacks();
public GeckoActionProvider(Context context) {
super(context);
mContext = context;
}
@Override
public View onCreateActionView() {
// Create the view and set its data model.
ActivityChooserModel dataModel = ActivityChooserModel.get(mContext, mHistoryFileName);
MenuItemActionView view = new MenuItemActionView(mContext, null);
view.setActionButtonClickListener(mCallbacks);
if (dataModel.getHistorySize() > 0) {
PackageManager packageManager = mContext.getPackageManager();
ResolveInfo defaultActivity = dataModel.getDefaultActivity();
view.setActionButton(defaultActivity == null ? null : defaultActivity.loadIcon(packageManager));
}
return view;
}
public View getView() {
return onCreateActionView();
}
@Override
public boolean hasSubMenu() {
return true;
}
@Override
public void onPrepareSubMenu(SubMenu subMenu) {
// Clear since the order of items may change.
subMenu.clear();
ActivityChooserModel dataModel = ActivityChooserModel.get(mContext, mHistoryFileName);
PackageManager packageManager = mContext.getPackageManager();
// Populate the sub-menu with a sub set of the activities.
final int count = dataModel.getActivityCount();
for (int i = 0; i < count; i++) {
ResolveInfo activity = dataModel.getActivity(i);
subMenu.add(0, i, i, activity.loadLabel(packageManager))
.setIcon(activity.loadIcon(packageManager))
.setOnMenuItemClickListener(mCallbacks);
}
}
public void setHistoryFileName(String historyFile) {
mHistoryFileName = historyFile;
}
public Intent getIntent() {
ActivityChooserModel dataModel = ActivityChooserModel.get(mContext, mHistoryFileName);
return dataModel.getIntent();
}
public void setIntent(Intent intent) {
ActivityChooserModel dataModel = ActivityChooserModel.get(mContext, mHistoryFileName);
dataModel.setIntent(intent);
}
public void setOnTargetSelectedListener(OnTargetSelectedListener listener) {
mOnTargetListener = listener;
}
/**
* Listener for handling default activity / menu item clicks.
*/
private class Callbacks implements OnMenuItemClickListener,
OnClickListener {
private void chooseActivity(int index) {
if (mOnTargetListener != null)
mOnTargetListener.onTargetSelected();
ActivityChooserModel dataModel = ActivityChooserModel.get(mContext, mHistoryFileName);
Intent launchIntent = dataModel.chooseActivity(index);
if (launchIntent != null) {
launchIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
mContext.startActivity(launchIntent);
}
}
@Override
public boolean onMenuItemClick(MenuItem item) {
chooseActivity(item.getItemId());
return true;
}
@Override
public void onClick(View view) {
ActivityChooserModel dataModel = ActivityChooserModel.get(mContext, mHistoryFileName);
chooseActivity(dataModel.getActivityIndex(dataModel.getDefaultActivity()));
}
}
}