| 1 | // Copyright (c) 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.content.BroadcastReceiver; |
| 8 | import android.content.Context; |
| 9 | import android.content.Intent; |
| 10 | import android.content.IntentFilter; |
| 11 | import android.os.Bundle; |
| 12 | import android.text.TextUtils; |
| 13 | import android.util.Log; |
| 14 | import android.view.KeyEvent; |
| 15 | import android.widget.Toast; |
| 16 | |
| 17 | import org.chromium.base.ChromiumActivity; |
| 18 | import org.chromium.base.MemoryPressureListener; |
| 19 | import org.chromium.content.app.LibraryLoader; |
| 20 | import org.chromium.content.browser.ActivityContentVideoViewClient; |
| 21 | import org.chromium.content.browser.AndroidBrowserProcess; |
| 22 | import org.chromium.content.browser.BrowserStartupController; |
| 23 | import org.chromium.content.browser.ContentVideoViewClient; |
| 24 | import org.chromium.content.browser.ContentView; |
| 25 | import org.chromium.content.browser.ContentViewClient; |
| 26 | import org.chromium.content.browser.DeviceUtils; |
| 27 | import org.chromium.content.browser.TracingIntentHandler; |
| 28 | import org.chromium.content.common.CommandLine; |
| 29 | import org.chromium.content.common.ProcessInitException; |
| 30 | import org.chromium.content_shell.Shell; |
| 31 | import org.chromium.content_shell.ShellManager; |
| 32 | import org.chromium.ui.WindowAndroid; |
| 33 | |
| 34 | /** |
| 35 | * Activity for managing the Content Shell. |
| 36 | */ |
| 37 | public class ContentShellActivity extends ChromiumActivity { |
| 38 | |
| 39 | public static final String COMMAND_LINE_FILE = "/data/local/tmp/content-shell-command-line"; |
| 40 | private static final String TAG = "ContentShellActivity"; |
| 41 | |
| 42 | private static final String ACTIVE_SHELL_URL_KEY = "activeUrl"; |
| 43 | private static final String ACTION_START_TRACE = |
| 44 | "org.chromium.content_shell.action.PROFILE_START"; |
| 45 | private static final String ACTION_STOP_TRACE = |
| 46 | "org.chromium.content_shell.action.PROFILE_STOP"; |
| 47 | public static final String COMMAND_LINE_ARGS_KEY = "commandLineArgs"; |
| 48 | |
| 49 | /** |
| 50 | * Sending an intent with this action will simulate a memory pressure signal |
| 51 | * at a critical level. |
| 52 | */ |
| 53 | private static final String ACTION_LOW_MEMORY = |
| 54 | "org.chromium.content_shell.action.ACTION_LOW_MEMORY"; |
| 55 | |
| 56 | /** |
| 57 | * Sending an intent with this action will simulate a memory pressure signal |
| 58 | * at a moderate level. |
| 59 | */ |
| 60 | private static final String ACTION_TRIM_MEMORY_MODERATE = |
| 61 | "org.chromium.content_shell.action.ACTION_TRIM_MEMORY_MODERATE"; |
| 62 | |
| 63 | |
| 64 | private ShellManager mShellManager; |
| 65 | private WindowAndroid mWindowAndroid; |
| 66 | private BroadcastReceiver mReceiver; |
| 67 | |
| 68 | @Override |
| 69 | protected void onCreate(final Bundle savedInstanceState) { |
| 70 | super.onCreate(savedInstanceState); |
| 71 | |
| 72 | // Initializing the command line must occur before loading the library. |
| 73 | if (!CommandLine.isInitialized()) { |
| 74 | CommandLine.initFromFile(COMMAND_LINE_FILE); |
| 75 | String[] commandLineParams = getCommandLineParamsFromIntent(getIntent()); |
| 76 | if (commandLineParams != null) { |
| 77 | CommandLine.getInstance().appendSwitchesAndArguments(commandLineParams); |
| 78 | } |
| 79 | } |
| 80 | waitForDebuggerIfNeeded(); |
| 81 | |
| 82 | DeviceUtils.addDeviceSpecificUserAgentSwitch(this); |
| 83 | try { |
| 84 | LibraryLoader.ensureInitialized(); |
| 85 | } catch (ProcessInitException e) { |
| 86 | Log.e(TAG, "ContentView initialization failed.", e); |
| 87 | finish(); |
| 88 | return; |
| 89 | } |
| 90 | |
| 91 | setContentView(R.layout.content_shell_activity); |
| 92 | mShellManager = (ShellManager) findViewById(R.id.shell_container); |
| 93 | mWindowAndroid = new WindowAndroid(this); |
| 94 | mWindowAndroid.restoreInstanceState(savedInstanceState); |
| 95 | mShellManager.setWindow(mWindowAndroid); |
| 96 | |
| 97 | String startupUrl = getUrlFromIntent(getIntent()); |
| 98 | if (!TextUtils.isEmpty(startupUrl)) { |
| 99 | mShellManager.setStartupUrl(Shell.sanitizeUrl(startupUrl)); |
| 100 | } |
| 101 | |
| 102 | if (CommandLine.getInstance().hasSwitch(CommandLine.DUMP_RENDER_TREE)) { |
| 103 | try { |
| 104 | if (!AndroidBrowserProcess.init(this, AndroidBrowserProcess.MAX_RENDERERS_LIMIT)) { |
| 105 | finishInitialization(savedInstanceState); |
| 106 | } |
| 107 | } catch (ProcessInitException e) { |
| 108 | initializationFailed(); |
| 109 | } |
| 110 | } else { |
| 111 | BrowserStartupController.get(this).startBrowserProcessesAsync( |
| 112 | new BrowserStartupController.StartupCallback() { |
| 113 | @Override |
| 114 | public void onSuccess(boolean alreadyStarted) { |
| 115 | finishInitialization(savedInstanceState); |
| 116 | } |
| 117 | |
| 118 | @Override |
| 119 | public void onFailure() { |
| 120 | initializationFailed(); |
| 121 | } |
| 122 | }); |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | private void finishInitialization(Bundle savedInstanceState) { |
| 127 | String shellUrl = ShellManager.DEFAULT_SHELL_URL; |
| 128 | if (savedInstanceState != null |
| 129 | && savedInstanceState.containsKey(ACTIVE_SHELL_URL_KEY)) { |
| 130 | shellUrl = savedInstanceState.getString(ACTIVE_SHELL_URL_KEY); |
| 131 | } |
| 132 | mShellManager.launchShell(shellUrl); |
| 133 | getActiveContentView().setContentViewClient(new ContentViewClient() { |
| 134 | @Override |
| 135 | public ContentVideoViewClient getContentVideoViewClient() { |
| 136 | return new ActivityContentVideoViewClient(ContentShellActivity.this); |
| 137 | } |
| 138 | }); |
| 139 | } |
| 140 | |
| 141 | private void initializationFailed() { |
| 142 | Log.e(TAG, "ContentView initialization failed."); |
| 143 | Toast.makeText(ContentShellActivity.this, |
| 144 | R.string.browser_process_initialization_failed, |
| 145 | Toast.LENGTH_SHORT).show(); |
| 146 | finish(); |
| 147 | } |
| 148 | |
| 149 | @Override |
| 150 | protected void onSaveInstanceState(Bundle outState) { |
| 151 | super.onSaveInstanceState(outState); |
| 152 | Shell activeShell = getActiveShell(); |
| 153 | if (activeShell != null) { |
| 154 | outState.putString(ACTIVE_SHELL_URL_KEY, activeShell.getContentView().getUrl()); |
| 155 | } |
| 156 | |
| 157 | mWindowAndroid.saveInstanceState(outState); |
| 158 | } |
| 159 | |
| 160 | private void waitForDebuggerIfNeeded() { |
| 161 | if (CommandLine.getInstance().hasSwitch(CommandLine.WAIT_FOR_JAVA_DEBUGGER)) { |
| 162 | Log.e(TAG, "Waiting for Java debugger to connect..."); |
| 163 | android.os.Debug.waitForDebugger(); |
| 164 | Log.e(TAG, "Java debugger connected. Resuming execution."); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | @Override |
| 169 | public boolean onKeyUp(int keyCode, KeyEvent event) { |
| 170 | if (keyCode != KeyEvent.KEYCODE_BACK) return super.onKeyUp(keyCode, event); |
| 171 | |
| 172 | Shell activeView = getActiveShell(); |
| 173 | if (activeView != null && activeView.getContentView().canGoBack()) { |
| 174 | activeView.getContentView().goBack(); |
| 175 | return true; |
| 176 | } |
| 177 | |
| 178 | return super.onKeyUp(keyCode, event); |
| 179 | } |
| 180 | |
| 181 | @Override |
| 182 | protected void onNewIntent(Intent intent) { |
| 183 | if (getCommandLineParamsFromIntent(intent) != null) { |
| 184 | Log.i(TAG, "Ignoring command line params: can only be set when creating the activity."); |
| 185 | } |
| 186 | |
| 187 | if (ACTION_LOW_MEMORY.equals(intent.getAction())) { |
| 188 | MemoryPressureListener.simulateMemoryPressureSignal(TRIM_MEMORY_COMPLETE); |
| 189 | return; |
| 190 | } else if (ACTION_TRIM_MEMORY_MODERATE.equals(intent.getAction())) { |
| 191 | MemoryPressureListener.simulateMemoryPressureSignal(TRIM_MEMORY_MODERATE); |
| 192 | return; |
| 193 | } |
| 194 | |
| 195 | String url = getUrlFromIntent(intent); |
| 196 | if (!TextUtils.isEmpty(url)) { |
| 197 | Shell activeView = getActiveShell(); |
| 198 | if (activeView != null) { |
| 199 | activeView.loadUrl(url); |
| 200 | } |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | @Override |
| 205 | protected void onPause() { |
| 206 | ContentView view = getActiveContentView(); |
| 207 | if (view != null) view.onActivityPause(); |
| 208 | |
| 209 | super.onPause(); |
| 210 | unregisterReceiver(mReceiver); |
| 211 | } |
| 212 | |
| 213 | @Override |
| 214 | protected void onResume() { |
| 215 | super.onResume(); |
| 216 | |
| 217 | ContentView view = getActiveContentView(); |
| 218 | if (view != null) view.onActivityResume(); |
| 219 | IntentFilter intentFilter = new IntentFilter(ACTION_START_TRACE); |
| 220 | intentFilter.addAction(ACTION_STOP_TRACE); |
| 221 | mReceiver = new BroadcastReceiver() { |
| 222 | @Override |
| 223 | public void onReceive(Context context, Intent intent) { |
| 224 | String action = intent.getAction(); |
| 225 | String extra = intent.getStringExtra("file"); |
| 226 | if (ACTION_START_TRACE.equals(action)) { |
| 227 | if (extra.isEmpty()) { |
| 228 | Log.e(TAG, "Can not start tracing without specifing saving location"); |
| 229 | } else { |
| 230 | TracingIntentHandler.beginTracing(extra); |
| 231 | Log.i(TAG, "start tracing"); |
| 232 | } |
| 233 | } else if (ACTION_STOP_TRACE.equals(action)) { |
| 234 | Log.i(TAG, "stop tracing"); |
| 235 | TracingIntentHandler.endTracing(); |
| 236 | } |
| 237 | } |
| 238 | }; |
| 239 | registerReceiver(mReceiver, intentFilter); |
| 240 | } |
| 241 | |
| 242 | @Override |
| 243 | public void onActivityResult(int requestCode, int resultCode, Intent data) { |
| 244 | super.onActivityResult(requestCode, resultCode, data); |
| 245 | mWindowAndroid.onActivityResult(requestCode, resultCode, data); |
| 246 | } |
| 247 | |
| 248 | private static String getUrlFromIntent(Intent intent) { |
| 249 | return intent != null ? intent.getDataString() : null; |
| 250 | } |
| 251 | |
| 252 | private static String[] getCommandLineParamsFromIntent(Intent intent) { |
| 253 | return intent != null ? intent.getStringArrayExtra(COMMAND_LINE_ARGS_KEY) : null; |
| 254 | } |
| 255 | |
| 256 | /** |
| 257 | * @return The {@link ShellManager} configured for the activity or null if it has not been |
| 258 | * created yet. |
| 259 | */ |
| 260 | public ShellManager getShellManager() { |
| 261 | return mShellManager; |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * @return The currently visible {@link Shell} or null if one is not showing. |
| 266 | */ |
| 267 | public Shell getActiveShell() { |
| 268 | return mShellManager != null ? mShellManager.getActiveShell() : null; |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * @return The {@link ContentView} owned by the currently visible {@link Shell} or null if one |
| 273 | * is not showing. |
| 274 | */ |
| 275 | public ContentView getActiveContentView() { |
| 276 | Shell shell = getActiveShell(); |
| 277 | return shell != null ? shell.getContentView() : null; |
| 278 | } |
| 279 | } |