1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/base/widget/GeckoActionProvider.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,228 @@
1.4 +/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +package org.mozilla.gecko.widget;
1.10 +
1.11 +import org.mozilla.gecko.GeckoAppShell;
1.12 +import org.mozilla.gecko.Telemetry;
1.13 +import org.mozilla.gecko.TelemetryContract;
1.14 +import org.mozilla.gecko.menu.MenuItemActionView;
1.15 +import org.mozilla.gecko.util.ThreadUtils;
1.16 +
1.17 +import android.content.Context;
1.18 +import android.content.Intent;
1.19 +import android.content.pm.PackageManager;
1.20 +import android.content.pm.ResolveInfo;
1.21 +import android.graphics.drawable.Drawable;
1.22 +import android.view.MenuItem;
1.23 +import android.view.MenuItem.OnMenuItemClickListener;
1.24 +import android.view.SubMenu;
1.25 +import android.view.View;
1.26 +import android.view.View.OnClickListener;
1.27 +import android.text.TextUtils;
1.28 +
1.29 +import java.util.ArrayList;
1.30 +import java.util.HashMap;
1.31 +
1.32 +public class GeckoActionProvider {
1.33 + private static int MAX_HISTORY_SIZE = 2;
1.34 +
1.35 + /**
1.36 + * A listener to know when a target was selected.
1.37 + * When setting a provider, the activity can listen to this,
1.38 + * to close the menu.
1.39 + */
1.40 + public interface OnTargetSelectedListener {
1.41 + public void onTargetSelected();
1.42 + }
1.43 +
1.44 + private final Context mContext;
1.45 +
1.46 + public final static String DEFAULT_MIME_TYPE = "text/plain";
1.47 +
1.48 + public static final String DEFAULT_HISTORY_FILE_NAME = "history.xml";
1.49 +
1.50 + // History file.
1.51 + private String mHistoryFileName = DEFAULT_HISTORY_FILE_NAME;
1.52 +
1.53 + private OnTargetSelectedListener mOnTargetListener;
1.54 +
1.55 + private final Callbacks mCallbacks = new Callbacks();
1.56 +
1.57 + private static HashMap<String, GeckoActionProvider> mProviders = new HashMap<String, GeckoActionProvider>();
1.58 +
1.59 + private static String getFilenameFromMimeType(String mimeType) {
1.60 + String[] mime = mimeType.split("/");
1.61 +
1.62 + // All text mimetypes use the default provider
1.63 + if ("text".equals(mime[0])) {
1.64 + return DEFAULT_HISTORY_FILE_NAME;
1.65 + }
1.66 +
1.67 + return "history-" + mime[0] + ".xml";
1.68 + }
1.69 +
1.70 + // Gets the action provider for a particular mimetype
1.71 + public static GeckoActionProvider getForType(String mimeType, Context context) {
1.72 + if (!mProviders.keySet().contains(mimeType)) {
1.73 + GeckoActionProvider provider = new GeckoActionProvider(context);
1.74 +
1.75 + // For empty types, we just return a default provider
1.76 + if (TextUtils.isEmpty(mimeType)) {
1.77 + return provider;
1.78 + }
1.79 +
1.80 + provider.setHistoryFileName(getFilenameFromMimeType(mimeType));
1.81 + mProviders.put(mimeType, provider);
1.82 + }
1.83 + return mProviders.get(mimeType);
1.84 + }
1.85 +
1.86 + public GeckoActionProvider(Context context) {
1.87 + mContext = context;
1.88 + }
1.89 +
1.90 + public View onCreateActionView() {
1.91 + // Create the view and set its data model.
1.92 + ActivityChooserModel dataModel = ActivityChooserModel.get(mContext, mHistoryFileName);
1.93 + MenuItemActionView view = new MenuItemActionView(mContext, null);
1.94 + view.addActionButtonClickListener(mCallbacks);
1.95 +
1.96 + final PackageManager packageManager = mContext.getPackageManager();
1.97 + int historySize = dataModel.getDistinctActivityCountInHistory();
1.98 + if (historySize > MAX_HISTORY_SIZE) {
1.99 + historySize = MAX_HISTORY_SIZE;
1.100 + }
1.101 +
1.102 + // Historical data is dependent on past selection of activities.
1.103 + // Activity count is determined by the number of activities that can handle
1.104 + // the particular intent. When no intent is set, the activity count is 0,
1.105 + // while the history count can be a valid number.
1.106 + if (historySize > dataModel.getActivityCount()) {
1.107 + return view;
1.108 + }
1.109 +
1.110 + for (int i = 0; i < historySize; i++) {
1.111 + view.addActionButton(dataModel.getActivity(i).loadIcon(packageManager));
1.112 + }
1.113 +
1.114 + return view;
1.115 + }
1.116 +
1.117 + public View getView() {
1.118 + return onCreateActionView();
1.119 + }
1.120 +
1.121 + public boolean hasSubMenu() {
1.122 + return true;
1.123 + }
1.124 +
1.125 + public void onPrepareSubMenu(SubMenu subMenu) {
1.126 + // Clear since the order of items may change.
1.127 + subMenu.clear();
1.128 +
1.129 + ActivityChooserModel dataModel = ActivityChooserModel.get(mContext, mHistoryFileName);
1.130 + PackageManager packageManager = mContext.getPackageManager();
1.131 +
1.132 + // Populate the sub-menu with a sub set of the activities.
1.133 + final int count = dataModel.getActivityCount();
1.134 + for (int i = 0; i < count; i++) {
1.135 + ResolveInfo activity = dataModel.getActivity(i);
1.136 + subMenu.add(0, i, i, activity.loadLabel(packageManager))
1.137 + .setIcon(activity.loadIcon(packageManager))
1.138 + .setOnMenuItemClickListener(mCallbacks);
1.139 + }
1.140 + }
1.141 +
1.142 + public void setHistoryFileName(String historyFile) {
1.143 + mHistoryFileName = historyFile;
1.144 + }
1.145 +
1.146 + public Intent getIntent() {
1.147 + ActivityChooserModel dataModel = ActivityChooserModel.get(mContext, mHistoryFileName);
1.148 + return dataModel.getIntent();
1.149 + }
1.150 +
1.151 + public void setIntent(Intent intent) {
1.152 + ActivityChooserModel dataModel = ActivityChooserModel.get(mContext, mHistoryFileName);
1.153 + dataModel.setIntent(intent);
1.154 +
1.155 + // Inform the target listener to refresh it's UI, if needed.
1.156 + if (mOnTargetListener != null) {
1.157 + mOnTargetListener.onTargetSelected();
1.158 + }
1.159 + }
1.160 +
1.161 + public void setOnTargetSelectedListener(OnTargetSelectedListener listener) {
1.162 + mOnTargetListener = listener;
1.163 + }
1.164 +
1.165 + public ArrayList<ResolveInfo> getSortedActivites() {
1.166 + ArrayList<ResolveInfo> infos = new ArrayList<ResolveInfo>();
1.167 +
1.168 + ActivityChooserModel dataModel = ActivityChooserModel.get(mContext, mHistoryFileName);
1.169 + PackageManager packageManager = mContext.getPackageManager();
1.170 +
1.171 + // Populate the sub-menu with a sub set of the activities.
1.172 + final int count = dataModel.getActivityCount();
1.173 + for (int i = 0; i < count; i++) {
1.174 + infos.add(dataModel.getActivity(i));
1.175 + }
1.176 + return infos;
1.177 + }
1.178 +
1.179 + public void chooseActivity(int position) {
1.180 + mCallbacks.chooseActivity(position);
1.181 + }
1.182 +
1.183 + /**
1.184 + * Listener for handling default activity / menu item clicks.
1.185 + */
1.186 + private class Callbacks implements OnMenuItemClickListener,
1.187 + OnClickListener {
1.188 + private void chooseActivity(int index) {
1.189 + final ActivityChooserModel dataModel = ActivityChooserModel.get(mContext, mHistoryFileName);
1.190 + final Intent launchIntent = dataModel.chooseActivity(index);
1.191 + if (launchIntent != null) {
1.192 + // This may cause a download to happen. Make sure we're on the background thread.
1.193 + ThreadUtils.postToBackgroundThread(new Runnable() {
1.194 + @Override
1.195 + public void run() {
1.196 + // Share image downloads the image before sharing it.
1.197 + String type = launchIntent.getType();
1.198 + if (Intent.ACTION_SEND.equals(launchIntent.getAction()) && type != null && type.startsWith("image/")) {
1.199 + GeckoAppShell.downloadImageForIntent(launchIntent);
1.200 + }
1.201 +
1.202 + launchIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
1.203 + mContext.startActivity(launchIntent);
1.204 + }
1.205 + });
1.206 + }
1.207 +
1.208 + if (mOnTargetListener != null) {
1.209 + mOnTargetListener.onTargetSelected();
1.210 + }
1.211 + }
1.212 +
1.213 + @Override
1.214 + public boolean onMenuItemClick(MenuItem item) {
1.215 + chooseActivity(item.getItemId());
1.216 +
1.217 + // Context: Sharing via chrome mainmenu list (no explicit session is active)
1.218 + Telemetry.sendUIEvent(TelemetryContract.Event.SHARE, TelemetryContract.Method.LIST);
1.219 + return true;
1.220 + }
1.221 +
1.222 + @Override
1.223 + public void onClick(View view) {
1.224 + Integer index = (Integer) view.getTag();
1.225 + chooseActivity(index);
1.226 +
1.227 + // Context: Sharing via chrome mainmenu and content contextmenu quickshare (no explicit session is active)
1.228 + Telemetry.sendUIEvent(TelemetryContract.Event.SHARE, TelemetryContract.Method.BUTTON);
1.229 + }
1.230 + }
1.231 +}
