The Tor Browser: mobile/android/base/prompts/IntentChooserPrompt.java@6474c204b198 (annotated)

mobile/android/base/prompts/IntentChooserPrompt.java@6474c204b198 (annotated)

mobile/android/base/prompts/IntentChooserPrompt.java

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* 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.prompts;
 import org.mozilla.gecko.GeckoAppShell;
 import org.mozilla.gecko.util.ThreadUtils;
 import org.mozilla.gecko.widget.GeckoActionProvider;
 import android.app.Activity;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.widget.ListView;
 import android.util.Log;
 import org.json.JSONException;
 import org.json.JSONObject;
 import java.util.ArrayList;
 import java.util.List;
 /**
  * Shows a prompt letting the user pick from a list of intent handlers for a set of Intents or
  * for a GeckoActionProvider.  Basic usage:
  *   IntentChooserPrompt prompt = new IntentChooserPrompt(context, new Intent[] {
  *      ... // some intents
  *    });
  *    prompt.show("Title", context, new IntentHandler() {
  *        public void onIntentSelected(Intent intent, int position) { }
  *        public void onCancelled() { }
  *    });
  **/
 public class IntentChooserPrompt {
     private static final String LOGTAG = "GeckoIntentChooser";
     private final ArrayList<PromptListItem> mItems;
     public IntentChooserPrompt(Context context, Intent[] intents) {
         mItems = getItems(context, intents);
     }
     public IntentChooserPrompt(Context context, GeckoActionProvider provider) {
         mItems = getItems(context, provider);
     }
     /* If an IntentHandler is passed in, will asynchronously call the handler when the dialog is closed
      * Otherwise, will return the Intent that was chosen by the user. Must be called on the UI thread.
      */
     public void show(final String title, final Context context, final IntentHandler handler) {
         ThreadUtils.assertOnUiThread();
         if (mItems.isEmpty()) {
             Log.i(LOGTAG, "No activities for the intent chooser!");
             handler.onCancelled();
             return;
         }
         // If there's only one item in the intent list, just return it
         if (mItems.size() == 1) {
             handler.onIntentSelected(mItems.get(0).getIntent(), 0);
             return;
         }
         final Prompt prompt = new Prompt(context, new Prompt.PromptCallback() {
             @Override
             public void onPromptFinished(String promptServiceResult) {
                 if (handler == null) {
                     return;
                 }
                 int itemId = -1;
                 try {
                     itemId = new JSONObject(promptServiceResult).getInt("button");
                 } catch (JSONException e) {
                     Log.e(LOGTAG, "result from promptservice was invalid: ", e);
                 }
                 if (itemId == -1) {
                     handler.onCancelled();
                 } else {
                     handler.onIntentSelected(mItems.get(itemId).getIntent(), itemId);
                 }
             }
         });
         PromptListItem[] arrays = new PromptListItem[mItems.size()];
         mItems.toArray(arrays);
         prompt.show(title, "", arrays, ListView.CHOICE_MODE_NONE);
         return;
     }
     // Whether or not any activities were found. Useful for checking if you should try a different Intent set
     public boolean hasActivities(Context context) {
         return mItems.isEmpty();
     }
     // Gets a list of PromptListItems for an Intent array
     private ArrayList<PromptListItem> getItems(final Context context, Intent[] intents) {
         final ArrayList<PromptListItem> items = new ArrayList<PromptListItem>();
         // If we have intents, use them to build the initial list
         for (final Intent intent : intents) {
             items.addAll(getItemsForIntent(context, intent));
         }
         return items;
     }
     // Gets a list of PromptListItems for a GeckoActionProvider
     private ArrayList<PromptListItem> getItems(final Context context, final GeckoActionProvider provider) {
         final ArrayList<PromptListItem> items = new ArrayList<PromptListItem>();
         // Add any intents from the provider.
         final PackageManager packageManager = context.getPackageManager();
         final ArrayList<ResolveInfo> infos = provider.getSortedActivites();
         for (final ResolveInfo info : infos) {
             items.add(getItemForResolveInfo(info, packageManager, provider.getIntent()));
         }
         return items;
     }
     private PromptListItem getItemForResolveInfo(ResolveInfo info, PackageManager pm, Intent intent) {
         PromptListItem item = new PromptListItem(info.loadLabel(pm).toString());
         item.setIcon(info.loadIcon(pm));
         Intent i = new Intent(intent);
         // These intents should be implicit.
         i.setComponent(new ComponentName(info.activityInfo.applicationInfo.packageName,
                                          info.activityInfo.name));
         item.setIntent(new Intent(i));
         return item;
     }
     private ArrayList<PromptListItem> getItemsForIntent(Context context, Intent intent) {
         ArrayList<PromptListItem> items = new ArrayList<PromptListItem>();
         PackageManager pm = context.getPackageManager();
         List<ResolveInfo> lri = pm.queryIntentActivityOptions(GeckoAppShell.getGeckoInterface().getActivity().getComponentName(), null, intent, 0);
         // If we didn't find any activities, just return the empty list
         if (lri == null) {
             return items;
         }
         // Otherwise, convert the ResolveInfo. Note we don't currently check for duplicates here.
         for (ResolveInfo ri : lri) {
             items.add(getItemForResolveInfo(ri, pm, intent));
         }
         return items;
     }
 }

The Tor Browser / annotate

mobile/android/base/prompts/IntentChooserPrompt.java@6474c204b198 (annotated)

mobile/android/base/prompts/IntentChooserPrompt.java