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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 package org.chromium.chromecast.shell; | |
6 | |
7 import android.app.Activity; | |
8 import android.content.Context; | |
9 import android.content.Intent; | |
10 import android.os.Build; | |
11 import android.os.Debug; | |
12 import android.util.Log; | |
13 | |
14 import org.chromium.base.BaseSwitches; | |
15 import org.chromium.base.CommandLine; | |
16 import org.chromium.base.library_loader.LibraryLoader; | |
17 import org.chromium.base.library_loader.ProcessInitException; | |
18 import org.chromium.content.browser.BrowserStartupController; | |
19 import org.chromium.content.browser.DeviceUtils; | |
20 | |
21 /** | |
22 * Static, one-time initialization for the browser process. | |
23 */ | |
24 public class CastBrowserHelper { | |
25 private static final String TAG = "CastBrowserHelper"; | |
26 | |
27 public static final String COMMAND_LINE_FILE = "/data/local/tmp/castshell-co mmand-line"; | |
28 public static final String COMMAND_LINE_ARGS_KEY = "commandLineArgs"; | |
29 | |
30 private static boolean sIsBrowserInitialized = false; | |
31 | |
32 /** | |
33 * Starts the browser process synchronously, returning success or failure. I f the browser has | |
34 * already started, immediately returns true without performing any more ini tialization. | |
35 * This may only be called on the UI thread. | |
36 * | |
37 * @return whether or not the process started successfully | |
38 */ | |
39 public static boolean initializeBrowser(Context context) { | |
40 if (sIsBrowserInitialized) return true; | |
41 | |
42 Log.d(TAG, "Performing one-time browser initialization"); | |
43 | |
44 // Initializing the command line must occur before loading the library. | |
45 if (!CommandLine.isInitialized()) { | |
46 if (allowCommandLineImport()) { | |
47 Log.d(TAG, "Initializing command line from " + COMMAND_LINE_FILE ); | |
48 CommandLine.initFromFile(COMMAND_LINE_FILE); | |
49 } else { | |
50 CommandLine.init(null); | |
51 } | |
52 | |
53 if (context instanceof Activity) { | |
54 Intent launchingIntent = ((Activity) context).getIntent(); | |
55 String[] commandLineParams = getCommandLineParamsFromIntent(laun chingIntent); | |
56 if (commandLineParams != null) { | |
57 CommandLine.getInstance().appendSwitchesAndArguments(command LineParams); | |
58 } | |
59 } | |
60 } | |
61 | |
62 CommandLine.getInstance().appendSwitchWithValue("force-device-scale-fact or", "1"); | |
Yaron
2014/09/06 01:10:14
use constant from ContentSwitches
gunsch
2014/09/08 19:42:23
Done.
| |
63 | |
64 waitForDebuggerIfNeeded(); | |
65 | |
66 DeviceUtils.addDeviceSpecificUserAgentSwitch(context); | |
67 | |
68 try { | |
69 LibraryLoader.ensureInitialized(); | |
70 | |
71 Log.d(TAG, "Loading BrowserStartupController..."); | |
72 BrowserStartupController.get(context).startBrowserProcessesSync(fals e); | |
73 | |
74 sIsBrowserInitialized = true; | |
75 return true; | |
76 } catch (ProcessInitException e) { | |
77 Log.e(TAG, "Unable to launch browser process.", e); | |
78 return false; | |
79 } | |
80 } | |
81 | |
82 private static boolean allowCommandLineImport() { | |
83 return !Build.TYPE.equals("user"); | |
84 } | |
85 | |
86 private static String[] getCommandLineParamsFromIntent(Intent intent) { | |
87 return intent != null ? intent.getStringArrayExtra(COMMAND_LINE_ARGS_KEY ) : null; | |
88 } | |
89 | |
90 private static void waitForDebuggerIfNeeded() { | |
91 if (!CommandLine.getInstance().hasSwitch(BaseSwitches.WAIT_FOR_JAVA_DEBU GGER)) { | |
92 return; | |
93 } | |
94 Log.e(TAG, "Waiting for Java debugger to connect..."); | |
95 Debug.waitForDebugger(); | |
96 Log.e(TAG, "Java debugger connected. Resuming execution."); | |
97 } | |
98 } | |
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