Somnambulator.java revision 3a12029a3bb6a6d59b3ab65fa923ce96f9f15c26 
1/*);
2 * Copyright (C) 2012 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.systemui;
18
19import android.app.Activity;
20import android.content.Intent;
21import android.os.RemoteException;
22import android.os.ServiceManager;
23import android.os.UserHandle;
24import android.provider.Settings;
25import android.service.dreams.Dream;
26import android.service.dreams.IDreamManager;
27import android.util.Slog;
28
29public class Somnambulator extends Activity {
30    public static final String TAG = "Somnambulator";
31
32    public static final int DEFAULT_SCREENSAVER_ENABLED = 1;
33    public static final int DEFAULT_SCREENSAVER_ACTIVATED_ON_DOCK = 1;
34
35    public Somnambulator() {
36    }
37
38    private boolean isScreenSaverEnabled() {
39        return Settings.Secure.getIntForUser(getContentResolver(),
40                Settings.Secure.SCREENSAVER_ENABLED, DEFAULT_SCREENSAVER_ENABLED,
41                UserHandle.USER_CURRENT) != 0;
42    }
43
44    private boolean isScreenSaverActivatedOnDock() {
45        return Settings.Secure.getIntForUser(getContentResolver(),
46                Settings.Secure.SCREENSAVER_ACTIVATE_ON_DOCK,
47                DEFAULT_SCREENSAVER_ACTIVATED_ON_DOCK, UserHandle.USER_CURRENT) != 0;
48    }
49
50    @Override
51    public void onStart() {
52        super.onStart();
53        final Intent launchIntent = getIntent();
54        final String action = launchIntent.getAction();
55        if (Intent.ACTION_CREATE_SHORTCUT.equals(action)) {
56            Intent shortcutIntent = new Intent(this, Somnambulator.class);
57            shortcutIntent.setFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
58                    | Intent.FLAG_ACTIVITY_NEW_TASK);
59            Intent resultIntent = new Intent();
60            resultIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
61                    Intent.ShortcutIconResource.fromContext(this, R.mipmap.ic_dreams));
62            resultIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
63            resultIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, getString(R.string.start_dreams));
64            setResult(RESULT_OK, resultIntent);
65        } else {
66            boolean docked = launchIntent.hasCategory(Intent.CATEGORY_DESK_DOCK);
67
68            if (docked && !(isScreenSaverEnabled() && isScreenSaverActivatedOnDock())) {
69                Slog.i(TAG, "Dreams currently disabled for docks.");
70            } else {
71                IDreamManager somnambulist = IDreamManager.Stub.asInterface(
72                        ServiceManager.checkService(Dream.DREAM_SERVICE));
73                if (somnambulist != null) {
74                    try {
75                        Slog.v(TAG, "Dreaming on " + (docked ? "dock insertion" : "user request"));
76                        somnambulist.dream();
77                    } catch (RemoteException e) {
78                        // fine, stay asleep then
79                    }
80                }
81            }
82        }
83        finish();
84    }
85
86}
87