src/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellActivity.java

   1 // Copyright 2012 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.content_shell_apk;
   6
   7 import android.app.Activity;
   8 import android.content.Intent;
   9 import android.os.Bundle;
  10 import android.text.TextUtils;
  11 import android.util.Log;
  12 import android.view.KeyEvent;
  13 import android.widget.Toast;
  14
  15 import org.chromium.base.BaseSwitches;
  16 import org.chromium.base.CommandLine;
  17 import org.chromium.base.MemoryPressureListener;
  18 import org.chromium.base.library_loader.LibraryLoader;
  19 import org.chromium.base.library_loader.ProcessInitException;
  20 import org.chromium.content.browser.BrowserStartupController;
  21 import org.chromium.content.browser.ContentViewCore;
  22 import org.chromium.content.browser.DeviceUtils;
  23 import org.chromium.content.common.ContentSwitches;
  24 import org.chromium.content_shell.Shell;
  25 import org.chromium.content_shell.ShellManager;
  26 import org.chromium.ui.base.ActivityWindowAndroid;
  27 import org.chromium.ui.base.WindowAndroid;
  28
  29 /**
  30  * Activity for managing the Content Shell.
  31  */
  32 public class ContentShellActivity extends Activity {
  33
  34     public static final String COMMAND_LINE_FILE = "/data/local/tmp/content-shell-command-line";
  35     private static final String TAG = "ContentShellActivity";
  36
  37     private static final String ACTIVE_SHELL_URL_KEY = "activeUrl";
  38     public static final String COMMAND_LINE_ARGS_KEY = "commandLineArgs";
  39
  40     private ShellManager mShellManager;
  41     private WindowAndroid mWindowAndroid;
  42
  43     @Override
  44     protected void onCreate(final Bundle savedInstanceState) {
  45         super.onCreate(savedInstanceState);
  46
  47         // Initializing the command line must occur before loading the library.
  48         if (!CommandLine.isInitialized()) {
  49             CommandLine.initFromFile(COMMAND_LINE_FILE);
  50             String[] commandLineParams = getCommandLineParamsFromIntent(getIntent());
  51             if (commandLineParams != null) {
  52                 CommandLine.getInstance().appendSwitchesAndArguments(commandLineParams);
  53             }
  54         }
  55         waitForDebuggerIfNeeded();
  56
  57         DeviceUtils.addDeviceSpecificUserAgentSwitch(this);
  58         try {
  59             LibraryLoader.ensureInitialized();
  60         } catch (ProcessInitException e) {
  61             Log.e(TAG, "ContentView initialization failed.", e);
  62             // Since the library failed to initialize nothing in the application
  63             // can work, so kill the whole application not just the activity
  64             System.exit(-1);
  65             return;
  66         }
  67
  68         setContentView(R.layout.content_shell_activity);
  69         mShellManager = (ShellManager) findViewById(R.id.shell_container);
  70         mWindowAndroid = new ActivityWindowAndroid(this);
  71         mWindowAndroid.restoreInstanceState(savedInstanceState);
  72         mShellManager.setWindow(mWindowAndroid);
  73
  74         String startupUrl = getUrlFromIntent(getIntent());
  75         if (!TextUtils.isEmpty(startupUrl)) {
  76             mShellManager.setStartupUrl(Shell.sanitizeUrl(startupUrl));
  77         }
  78
  79         if (CommandLine.getInstance().hasSwitch(ContentSwitches.DUMP_RENDER_TREE)) {
  80             try {
  81                 BrowserStartupController.get(this).startBrowserProcessesSync(false);
  82             } catch (ProcessInitException e) {
  83                 Log.e(TAG, "Failed to load native library.", e);
  84                 System.exit(-1);
  85             }
  86         } else {
  87             try {
  88                 BrowserStartupController.get(this).startBrowserProcessesAsync(
  89                         new BrowserStartupController.StartupCallback() {
  90                             @Override
  91                             public void onSuccess(boolean alreadyStarted) {
  92                                 finishInitialization(savedInstanceState);
  93                             }
  94
  95                             @Override
  96                             public void onFailure() {
  97                                 initializationFailed();
  98                             }
  99                         });
 100             } catch (ProcessInitException e) {
 101                 Log.e(TAG, "Unable to load native library.", e);
 102                 System.exit(-1);
 103             }
 104         }
 105     }
 106
 107     private void finishInitialization(Bundle savedInstanceState) {
 108         String shellUrl = ShellManager.DEFAULT_SHELL_URL;
 109         if (savedInstanceState != null
 110                 && savedInstanceState.containsKey(ACTIVE_SHELL_URL_KEY)) {
 111             shellUrl = savedInstanceState.getString(ACTIVE_SHELL_URL_KEY);
 112         }
 113         mShellManager.launchShell(shellUrl);
 114     }
 115
 116     private void initializationFailed() {
 117         Log.e(TAG, "ContentView initialization failed.");
 118         Toast.makeText(ContentShellActivity.this,
 119                 R.string.browser_process_initialization_failed,
 120                 Toast.LENGTH_SHORT).show();
 121         finish();
 122     }
 123
 124     @Override
 125     protected void onSaveInstanceState(Bundle outState) {
 126         super.onSaveInstanceState(outState);
 127         ContentViewCore contentViewCore = getActiveContentViewCore();
 128         if (contentViewCore != null) {
 129             outState.putString(ACTIVE_SHELL_URL_KEY, contentViewCore.getWebContents().getUrl());
 130         }
 131
 132         mWindowAndroid.saveInstanceState(outState);
 133     }
 134
 135     private void waitForDebuggerIfNeeded() {
 136         if (CommandLine.getInstance().hasSwitch(BaseSwitches.WAIT_FOR_JAVA_DEBUGGER)) {
 137             Log.e(TAG, "Waiting for Java debugger to connect...");
 138             android.os.Debug.waitForDebugger();
 139             Log.e(TAG, "Java debugger connected. Resuming execution.");
 140         }
 141     }
 142
 143     @Override
 144     public boolean onKeyUp(int keyCode, KeyEvent event) {
 145         if (keyCode == KeyEvent.KEYCODE_BACK) {
 146             ContentViewCore contentViewCore = getActiveContentViewCore();
 147             if (contentViewCore != null && contentViewCore.getWebContents()
 148                     .getNavigationController().canGoBack()) {
 149                 contentViewCore.getWebContents().getNavigationController().goBack();
 150                 return true;
 151             }
 152         }
 153
 154         return super.onKeyUp(keyCode, event);
 155     }
 156
 157     @Override
 158     protected void onNewIntent(Intent intent) {
 159         if (getCommandLineParamsFromIntent(intent) != null) {
 160             Log.i(TAG, "Ignoring command line params: can only be set when creating the activity.");
 161         }
 162
 163         if (MemoryPressureListener.handleDebugIntent(this, intent.getAction())) return;
 164
 165         String url = getUrlFromIntent(intent);
 166         if (!TextUtils.isEmpty(url)) {
 167             Shell activeView = getActiveShell();
 168             if (activeView != null) {
 169                 activeView.loadUrl(url);
 170             }
 171         }
 172     }
 173
 174     @Override
 175     protected void onStop() {
 176         super.onStop();
 177
 178         ContentViewCore contentViewCore = getActiveContentViewCore();
 179         if (contentViewCore != null) contentViewCore.onHide();
 180     }
 181
 182     @Override
 183     protected void onStart() {
 184         super.onStart();
 185
 186         ContentViewCore contentViewCore = getActiveContentViewCore();
 187         if (contentViewCore != null) contentViewCore.onShow();
 188     }
 189
 190     @Override
 191     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 192         super.onActivityResult(requestCode, resultCode, data);
 193         mWindowAndroid.onActivityResult(requestCode, resultCode, data);
 194     }
 195
 196     private static String getUrlFromIntent(Intent intent) {
 197         return intent != null ? intent.getDataString() : null;
 198     }
 199
 200     private static String[] getCommandLineParamsFromIntent(Intent intent) {
 201         return intent != null ? intent.getStringArrayExtra(COMMAND_LINE_ARGS_KEY) : null;
 202     }
 203
 204     /**
 205      * @return The {@link ShellManager} configured for the activity or null if it has not been
 206      *         created yet.
 207      */
 208     public ShellManager getShellManager() {
 209         return mShellManager;
 210     }
 211
 212     /**
 213      * @return The currently visible {@link Shell} or null if one is not showing.
 214      */
 215     public Shell getActiveShell() {
 216         return mShellManager != null ? mShellManager.getActiveShell() : null;
 217     }
 218
 219     /**
 220      * @return The {@link ContentViewCore} owned by the currently visible {@link Shell} or null if
 221      *         one is not showing.
 222      */
 223     public ContentViewCore getActiveContentViewCore() {
 224         Shell shell = getActiveShell();
 225         return shell != null ? shell.getContentViewCore() : null;
 226     }
 227 }