1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.providers.applications;
18
19import android.app.ListActivity;
20import android.app.SearchManager;
21import android.content.ActivityNotFoundException;
22import android.content.ComponentName;
23import android.content.Intent;
24import android.database.Cursor;
25import android.net.Uri;
26import android.os.Bundle;
27import android.provider.Applications;
28import android.util.Log;
29import android.view.View;
30import android.widget.ListView;
31
32/**
33 * This class is purely here to get launch intents.
34 */
35public class ApplicationLauncher extends ListActivity {
36
37    private static final String TAG = "ApplicationLauncher";
38
39    private Cursor mCursor;
40
41    @Override
42    protected void onCreate(Bundle savedInstanceState) {
43        super.onCreate(savedInstanceState);
44        Intent intent = getIntent();
45        if (intent == null) {
46            finish();
47            return;
48        }
49        String action = intent.getAction();
50        if (Intent.ACTION_MAIN.equals(action)) {
51            Uri contentUri = intent.getData();
52            launchApplication(contentUri);
53            finish();
54        } else if (Intent.ACTION_SEARCH.equals(action)) {
55            String query = intent.getStringExtra(SearchManager.QUERY);
56            showSearchResults(query);
57        }
58    }
59
60    private void showSearchResults(String query) {
61        setTitle(query);
62
63        mCursor = Applications.search(getContentResolver(), query);
64        startManagingCursor(mCursor);
65
66        ApplicationsAdapter adapter = new ApplicationsAdapter(this, mCursor);
67        setListAdapter(adapter);
68    }
69
70    @Override
71    protected void onListItemClick(ListView l, View v, int position, long id) {
72        if (mCursor == null) {
73            Log.e(TAG, "Got click on position " + position + " but there is no cursor");
74            return;
75        }
76        if (mCursor.isClosed()) {
77            Log.e(TAG, "Got click on position " + position + " but the cursor is closed");
78            return;
79        }
80        if (!mCursor.moveToPosition(position)) {
81            Log.e(TAG, "Failed to move to position " + position);
82            return;
83        }
84        Uri uri = ApplicationsAdapter.getColumnUri(mCursor, Applications.ApplicationColumns.URI);
85        launchApplication(uri);
86    }
87
88    private void launchApplication(Uri uri) {
89        ComponentName componentName = Applications.uriToComponentName(uri);
90        Log.i(TAG, "Launching " + componentName);
91        if (componentName != null) {
92            Intent launchIntent = new Intent(Intent.ACTION_MAIN);
93            launchIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
94                    Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
95            launchIntent.setComponent(componentName);
96            try {
97                startActivity(launchIntent);
98            } catch (ActivityNotFoundException ex) {
99                Log.w(TAG, "Activity not found: " + componentName);
100            }
101        }
102    }
103
104}
105