android_webview/native/aw_contents.cc

   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 #include "android_webview/native/aw_contents.h"
   6
   7 #include <limits>
   8
   9 #include "android_webview/browser/aw_browser_context.h"
  10 #include "android_webview/browser/aw_browser_main_parts.h"
  11 #include "android_webview/browser/aw_resource_context.h"
  12 #include "android_webview/browser/browser_view_renderer.h"
  13 #include "android_webview/browser/deferred_gpu_command_service.h"
  14 #include "android_webview/browser/net_disk_cache_remover.h"
  15 #include "android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.h"
  16 #include "android_webview/browser/scoped_app_gl_state_restore.h"
  17 #include "android_webview/browser/shared_renderer_state.h"
  18 #include "android_webview/common/aw_hit_test_data.h"
  19 #include "android_webview/common/devtools_instrumentation.h"
  20 #include "android_webview/native/aw_autofill_client.h"
  21 #include "android_webview/native/aw_browser_dependency_factory.h"
  22 #include "android_webview/native/aw_contents_client_bridge.h"
  23 #include "android_webview/native/aw_contents_io_thread_client_impl.h"
  24 #include "android_webview/native/aw_pdf_exporter.h"
  25 #include "android_webview/native/aw_picture.h"
  26 #include "android_webview/native/aw_web_contents_delegate.h"
  27 #include "android_webview/native/java_browser_view_renderer_helper.h"
  28 #include "android_webview/native/permission/aw_permission_request.h"
  29 #include "android_webview/native/permission/permission_request_handler.h"
  30 #include "android_webview/native/permission/simple_permission_request.h"
  31 #include "android_webview/native/state_serializer.h"
  32 #include "android_webview/public/browser/draw_gl.h"
  33 #include "base/android/jni_android.h"
  34 #include "base/android/jni_array.h"
  35 #include "base/android/jni_string.h"
  36 #include "base/android/locale_utils.h"
  37 #include "base/android/scoped_java_ref.h"
  38 #include "base/atomicops.h"
  39 #include "base/bind.h"
  40 #include "base/callback.h"
  41 #include "base/memory/memory_pressure_listener.h"
  42 #include "base/message_loop/message_loop.h"
  43 #include "base/pickle.h"
  44 #include "base/strings/string16.h"
  45 #include "base/supports_user_data.h"
  46 #include "components/autofill/content/browser/content_autofill_driver_factory.h"
  47 #include "components/autofill/core/browser/autofill_manager.h"
  48 #include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
  49 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
  50 #include "components/navigation_interception/intercept_navigation_delegate.h"
  51 #include "content/public/browser/android/content_view_core.h"
  52 #include "content/public/browser/android/synchronous_compositor.h"
  53 #include "content/public/browser/browser_thread.h"
  54 #include "content/public/browser/cert_store.h"
  55 #include "content/public/browser/favicon_status.h"
  56 #include "content/public/browser/message_port_provider.h"
  57 #include "content/public/browser/navigation_entry.h"
  58 #include "content/public/browser/render_frame_host.h"
  59 #include "content/public/browser/render_process_host.h"
  60 #include "content/public/browser/render_view_host.h"
  61 #include "content/public/browser/web_contents.h"
  62 #include "content/public/common/renderer_preferences.h"
  63 #include "content/public/common/ssl_status.h"
  64 #include "jni/AwContents_jni.h"
  65 #include "net/base/auth.h"
  66 #include "net/cert/x509_certificate.h"
  67 #include "third_party/skia/include/core/SkPicture.h"
  68 #include "ui/gfx/android/java_bitmap.h"
  69 #include "ui/gfx/geometry/rect_f.h"
  70 #include "ui/gfx/image/image.h"
  71 #include "ui/gfx/size.h"
  72
  73 struct AwDrawSWFunctionTable;
  74
  75 using autofill::ContentAutofillDriverFactory;
  76 using autofill::AutofillManager;
  77 using base::android::AttachCurrentThread;
  78 using base::android::ConvertJavaStringToUTF16;
  79 using base::android::ConvertJavaStringToUTF8;
  80 using base::android::ConvertUTF16ToJavaString;
  81 using base::android::ConvertUTF8ToJavaString;
  82 using base::android::JavaRef;
  83 using base::android::ScopedJavaGlobalRef;
  84 using base::android::ScopedJavaLocalRef;
  85 using data_reduction_proxy::DataReductionProxySettings;
  86 using navigation_interception::InterceptNavigationDelegate;
  87 using content::BrowserThread;
  88 using content::ContentViewCore;
  89 using content::WebContents;
  90
  91 extern "C" {
  92 static AwDrawGLFunction DrawGLFunction;
  93 static void DrawGLFunction(long view_context,
  94                            AwDrawGLInfo* draw_info,
  95                            void* spare) {
  96   // |view_context| is the value that was returned from the java
  97   // AwContents.onPrepareDrawGL; this cast must match the code there.
  98   reinterpret_cast<android_webview::SharedRendererState*>(view_context)
  99       ->DrawGL(draw_info);
 100 }
 101 }
 102
 103 namespace android_webview {
 104
 105 namespace {
 106
 107 bool g_should_download_favicons = false;
 108
 109 const void* kAwContentsUserDataKey = &kAwContentsUserDataKey;
 110
 111 class AwContentsUserData : public base::SupportsUserData::Data {
 112  public:
 113   AwContentsUserData(AwContents* ptr) : contents_(ptr) {}
 114
 115   static AwContents* GetContents(WebContents* web_contents) {
 116     if (!web_contents)
 117       return NULL;
 118     AwContentsUserData* data = static_cast<AwContentsUserData*>(
 119         web_contents->GetUserData(kAwContentsUserDataKey));
 120     return data ? data->contents_ : NULL;
 121   }
 122
 123  private:
 124   AwContents* contents_;
 125 };
 126
 127 base::subtle::Atomic32 g_instance_count = 0;
 128
 129 void OnIoThreadClientReady(content::RenderFrameHost* rfh) {
 130   int render_process_id = rfh->GetProcess()->GetID();
 131   int render_frame_id = rfh->GetRoutingID();
 132   AwResourceDispatcherHostDelegate::OnIoThreadClientReady(
 133       render_process_id, render_frame_id);
 134 }
 135
 136 void OnMessageChannelCreated(ScopedJavaGlobalRef<jobject>* callback,
 137                              int* port1,
 138                              int* port2) {
 139   JNIEnv* env = AttachCurrentThread();
 140   Java_AwContents_onMessageChannelCreated(env, *port1, *port2,
 141     callback->obj());
 142 }
 143
 144 void PostMessageToFrameOnIOThread(WebContents* web_contents,
 145                                   base::string16* source_origin,
 146                                   base::string16* target_origin,
 147                                   base::string16* data,
 148                                   std::vector<int>* ports) {
 149   content::MessagePortProvider::PostMessageToFrame(web_contents,
 150       *source_origin, *target_origin, *data, *ports);
 151 }
 152
 153 }  // namespace
 154
 155 // static
 156 AwContents* AwContents::FromWebContents(WebContents* web_contents) {
 157   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 158   return AwContentsUserData::GetContents(web_contents);
 159 }
 160
 161 // static
 162 AwContents* AwContents::FromID(int render_process_id, int render_view_id) {
 163   const content::RenderViewHost* rvh =
 164       content::RenderViewHost::FromID(render_process_id, render_view_id);
 165   if (!rvh) return NULL;
 166   content::WebContents* web_contents =
 167       content::WebContents::FromRenderViewHost(rvh);
 168   if (!web_contents) return NULL;
 169   return FromWebContents(web_contents);
 170 }
 171
 172 // static
 173 AwBrowserPermissionRequestDelegate* AwBrowserPermissionRequestDelegate::FromID(
 174     int render_process_id, int render_view_id) {
 175   AwContents* aw_contents = AwContents::FromID(render_process_id,
 176                                                render_view_id);
 177   return implicit_cast<AwBrowserPermissionRequestDelegate*>(aw_contents);
 178 }
 179
 180 AwContents::AwContents(scoped_ptr<WebContents> web_contents)
 181     : web_contents_(web_contents.Pass()),
 182       browser_view_renderer_(
 183           this,
 184           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI)),
 185       renderer_manager_key_(GLViewRendererManager::GetInstance()->NullKey()) {
 186   base::subtle::NoBarrier_AtomicIncrement(&g_instance_count, 1);
 187   icon_helper_.reset(new IconHelper(web_contents_.get()));
 188   icon_helper_->SetListener(this);
 189   web_contents_->SetUserData(kAwContentsUserDataKey,
 190                              new AwContentsUserData(this));
 191   render_view_host_ext_.reset(
 192       new AwRenderViewHostExt(this, web_contents_.get()));
 193
 194   permission_request_handler_.reset(
 195       new PermissionRequestHandler(this, web_contents_.get()));
 196
 197   AwAutofillClient* autofill_manager_delegate =
 198       AwAutofillClient::FromWebContents(web_contents_.get());
 199   InitDataReductionProxyIfNecessary();
 200   if (autofill_manager_delegate)
 201     InitAutofillIfNecessary(autofill_manager_delegate->GetSaveFormData());
 202   content::SynchronousCompositor::SetClientForWebContents(
 203       web_contents_.get(), &browser_view_renderer_);
 204 }
 205
 206 void AwContents::SetJavaPeers(JNIEnv* env,
 207                               jobject obj,
 208                               jobject aw_contents,
 209                               jobject web_contents_delegate,
 210                               jobject contents_client_bridge,
 211                               jobject io_thread_client,
 212                               jobject intercept_navigation_delegate) {
 213   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 214   // The |aw_content| param is technically spurious as it duplicates |obj| but
 215   // is passed over anyway to make the binding more explicit.
 216   java_ref_ = JavaObjectWeakGlobalRef(env, aw_contents);
 217
 218   web_contents_delegate_.reset(
 219       new AwWebContentsDelegate(env, web_contents_delegate));
 220   web_contents_->SetDelegate(web_contents_delegate_.get());
 221
 222   contents_client_bridge_.reset(
 223       new AwContentsClientBridge(env, contents_client_bridge));
 224   AwContentsClientBridgeBase::Associate(web_contents_.get(),
 225                                         contents_client_bridge_.get());
 226
 227   AwContentsIoThreadClientImpl::Associate(
 228       web_contents_.get(), ScopedJavaLocalRef<jobject>(env, io_thread_client));
 229
 230   InterceptNavigationDelegate::Associate(
 231       web_contents_.get(),
 232       make_scoped_ptr(new InterceptNavigationDelegate(
 233           env, intercept_navigation_delegate)));
 234
 235   // Finally, having setup the associations, release any deferred requests
 236   web_contents_->ForEachFrame(base::Bind(&OnIoThreadClientReady));
 237 }
 238
 239 void AwContents::SetSaveFormData(bool enabled) {
 240   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 241   InitAutofillIfNecessary(enabled);
 242   // We need to check for the existence, since autofill_manager_delegate
 243   // may not be created when the setting is false.
 244   if (AwAutofillClient::FromWebContents(web_contents_.get())) {
 245     AwAutofillClient::FromWebContents(web_contents_.get())->
 246         SetSaveFormData(enabled);
 247   }
 248 }
 249
 250 void AwContents::InitDataReductionProxyIfNecessary() {
 251   AwBrowserContext* browser_context =
 252       AwBrowserContext::FromWebContents(web_contents_.get());
 253   browser_context->CreateUserPrefServiceIfNecessary();
 254 }
 255
 256 void AwContents::InitAutofillIfNecessary(bool enabled) {
 257   // Do not initialize if the feature is not enabled.
 258   if (!enabled)
 259     return;
 260   // Check if the autofill driver factory already exists.
 261   content::WebContents* web_contents = web_contents_.get();
 262   if (ContentAutofillDriverFactory::FromWebContents(web_contents))
 263     return;
 264
 265   AwBrowserContext::FromWebContents(web_contents)->
 266       CreateUserPrefServiceIfNecessary();
 267   AwAutofillClient::CreateForWebContents(web_contents);
 268   ContentAutofillDriverFactory::CreateForWebContentsAndDelegate(
 269       web_contents, AwAutofillClient::FromWebContents(web_contents),
 270       base::android::GetDefaultLocale(),
 271       AutofillManager::DISABLE_AUTOFILL_DOWNLOAD_MANAGER);
 272 }
 273
 274 void AwContents::SetAwAutofillClient(jobject client) {
 275   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 276   JNIEnv* env = AttachCurrentThread();
 277   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 278   if (obj.is_null())
 279     return;
 280   Java_AwContents_setAwAutofillClient(env, obj.obj(), client);
 281 }
 282
 283 AwContents::~AwContents() {
 284   DCHECK_EQ(this, AwContents::FromWebContents(web_contents_.get()));
 285   content::SynchronousCompositor::SetClientForWebContents(web_contents_.get(),
 286                                                           NULL);
 287   web_contents_->RemoveUserData(kAwContentsUserDataKey);
 288   if (find_helper_.get())
 289     find_helper_->SetListener(NULL);
 290   if (icon_helper_.get())
 291     icon_helper_->SetListener(NULL);
 292   base::subtle::NoBarrier_AtomicIncrement(&g_instance_count, -1);
 293   // When the last WebView is destroyed free all discardable memory allocated by
 294   // Chromium, because the app process may continue to run for a long time
 295   // without ever using another WebView.
 296   if (base::subtle::NoBarrier_Load(&g_instance_count) == 0) {
 297     base::MemoryPressureListener::NotifyMemoryPressure(
 298         base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL);
 299   }
 300 }
 301
 302 jlong AwContents::GetWebContents(JNIEnv* env, jobject obj) {
 303   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 304   DCHECK(web_contents_);
 305   return reinterpret_cast<intptr_t>(web_contents_.get());
 306 }
 307
 308 void AwContents::Destroy(JNIEnv* env, jobject obj) {
 309   java_ref_.reset();
 310   delete this;
 311 }
 312
 313 static jlong Init(JNIEnv* env, jclass, jobject browser_context) {
 314   // TODO(joth): Use |browser_context| to get the native BrowserContext, rather
 315   // than hard-code the default instance lookup here.
 316   scoped_ptr<WebContents> web_contents(content::WebContents::Create(
 317       content::WebContents::CreateParams(AwBrowserContext::GetDefault())));
 318   // Return an 'uninitialized' instance; most work is deferred until the
 319   // subsequent SetJavaPeers() call.
 320   return reinterpret_cast<intptr_t>(new AwContents(web_contents.Pass()));
 321 }
 322
 323 static void SetAwDrawSWFunctionTable(JNIEnv* env, jclass,
 324                                      jlong function_table) {
 325   RasterHelperSetAwDrawSWFunctionTable(
 326       reinterpret_cast<AwDrawSWFunctionTable*>(function_table));
 327 }
 328
 329 static void SetAwDrawGLFunctionTable(JNIEnv* env, jclass,
 330                                      jlong function_table) {
 331 }
 332
 333 static jlong GetAwDrawGLFunction(JNIEnv* env, jclass) {
 334   return reinterpret_cast<intptr_t>(&DrawGLFunction);
 335 }
 336
 337 // static
 338 jint GetNativeInstanceCount(JNIEnv* env, jclass) {
 339   return base::subtle::NoBarrier_Load(&g_instance_count);
 340 }
 341
 342 jlong AwContents::GetAwDrawGLViewContext(JNIEnv* env, jobject obj) {
 343   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 344   return reinterpret_cast<intptr_t>(
 345       browser_view_renderer_.GetAwDrawGLViewContext());
 346 }
 347
 348 namespace {
 349 void DocumentHasImagesCallback(const ScopedJavaGlobalRef<jobject>& message,
 350                                bool has_images) {
 351   Java_AwContents_onDocumentHasImagesResponse(AttachCurrentThread(),
 352                                               has_images,
 353                                               message.obj());
 354 }
 355 }  // namespace
 356
 357 void AwContents::DocumentHasImages(JNIEnv* env, jobject obj, jobject message) {
 358   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 359   ScopedJavaGlobalRef<jobject> j_message;
 360   j_message.Reset(env, message);
 361   render_view_host_ext_->DocumentHasImages(
 362       base::Bind(&DocumentHasImagesCallback, j_message));
 363 }
 364
 365 namespace {
 366 void GenerateMHTMLCallback(ScopedJavaGlobalRef<jobject>* callback,
 367                            const base::FilePath& path, int64 size) {
 368   JNIEnv* env = AttachCurrentThread();
 369   // Android files are UTF8, so the path conversion below is safe.
 370   Java_AwContents_generateMHTMLCallback(
 371       env,
 372       ConvertUTF8ToJavaString(env, path.AsUTF8Unsafe()).obj(),
 373       size, callback->obj());
 374 }
 375 }  // namespace
 376
 377 void AwContents::GenerateMHTML(JNIEnv* env, jobject obj,
 378                                jstring jpath, jobject callback) {
 379   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 380   ScopedJavaGlobalRef<jobject>* j_callback = new ScopedJavaGlobalRef<jobject>();
 381   j_callback->Reset(env, callback);
 382   base::FilePath target_path(ConvertJavaStringToUTF8(env, jpath));
 383   web_contents_->GenerateMHTML(
 384       target_path,
 385       base::Bind(&GenerateMHTMLCallback, base::Owned(j_callback), target_path));
 386 }
 387
 388 void AwContents::CreatePdfExporter(JNIEnv* env,
 389                                    jobject obj,
 390                                    jobject pdfExporter) {
 391   pdf_exporter_.reset(
 392       new AwPdfExporter(env,
 393                         pdfExporter,
 394                         web_contents_.get()));
 395 }
 396
 397 bool AwContents::OnReceivedHttpAuthRequest(const JavaRef<jobject>& handler,
 398                                            const std::string& host,
 399                                            const std::string& realm) {
 400   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 401   JNIEnv* env = AttachCurrentThread();
 402   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 403   if (obj.is_null())
 404     return false;
 405
 406   ScopedJavaLocalRef<jstring> jhost = ConvertUTF8ToJavaString(env, host);
 407   ScopedJavaLocalRef<jstring> jrealm = ConvertUTF8ToJavaString(env, realm);
 408   devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 409       "onReceivedHttpAuthRequest");
 410   Java_AwContents_onReceivedHttpAuthRequest(env, obj.obj(), handler.obj(),
 411       jhost.obj(), jrealm.obj());
 412   return true;
 413 }
 414
 415 void AwContents::AddVisitedLinks(JNIEnv* env,
 416                                    jobject obj,
 417                                    jobjectArray jvisited_links) {
 418   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 419   std::vector<base::string16> visited_link_strings;
 420   base::android::AppendJavaStringArrayToStringVector(
 421       env, jvisited_links, &visited_link_strings);
 422
 423   std::vector<GURL> visited_link_gurls;
 424   std::vector<base::string16>::const_iterator itr;
 425   for (itr = visited_link_strings.begin(); itr != visited_link_strings.end();
 426        ++itr) {
 427     visited_link_gurls.push_back(GURL(*itr));
 428   }
 429
 430   AwBrowserContext::FromWebContents(web_contents_.get())
 431       ->AddVisitedURLs(visited_link_gurls);
 432 }
 433
 434 bool RegisterAwContents(JNIEnv* env) {
 435   return RegisterNativesImpl(env);
 436 }
 437
 438 namespace {
 439
 440 void ShowGeolocationPromptHelperTask(const JavaObjectWeakGlobalRef& java_ref,
 441                                      const GURL& origin) {
 442   JNIEnv* env = AttachCurrentThread();
 443   ScopedJavaLocalRef<jobject> j_ref = java_ref.get(env);
 444   if (j_ref.obj()) {
 445     ScopedJavaLocalRef<jstring> j_origin(
 446         ConvertUTF8ToJavaString(env, origin.spec()));
 447     devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 448         "onGeolocationPermissionsShowPrompt");
 449     Java_AwContents_onGeolocationPermissionsShowPrompt(env,
 450                                                        j_ref.obj(),
 451                                                        j_origin.obj());
 452   }
 453 }
 454
 455 void ShowGeolocationPromptHelper(const JavaObjectWeakGlobalRef& java_ref,
 456                                  const GURL& origin) {
 457   JNIEnv* env = AttachCurrentThread();
 458   if (java_ref.get(env).obj()) {
 459     content::BrowserThread::PostTask(
 460         content::BrowserThread::UI,
 461         FROM_HERE,
 462         base::Bind(&ShowGeolocationPromptHelperTask,
 463                    java_ref,
 464                    origin));
 465   }
 466 }
 467
 468 } // anonymous namespace
 469
 470 void AwContents::ShowGeolocationPrompt(const GURL& requesting_frame,
 471                                        base::Callback<void(bool)> callback) {
 472   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 473
 474   GURL origin = requesting_frame.GetOrigin();
 475   bool show_prompt = pending_geolocation_prompts_.empty();
 476   pending_geolocation_prompts_.push_back(OriginCallback(origin, callback));
 477   if (show_prompt) {
 478     ShowGeolocationPromptHelper(java_ref_, origin);
 479   }
 480 }
 481
 482 // Invoked from Java
 483 void AwContents::InvokeGeolocationCallback(JNIEnv* env,
 484                                            jobject obj,
 485                                            jboolean value,
 486                                            jstring origin) {
 487   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 488
 489   GURL callback_origin(base::android::ConvertJavaStringToUTF16(env, origin));
 490   if (callback_origin.GetOrigin() ==
 491       pending_geolocation_prompts_.front().first) {
 492     pending_geolocation_prompts_.front().second.Run(value);
 493     pending_geolocation_prompts_.pop_front();
 494     if (!pending_geolocation_prompts_.empty()) {
 495       ShowGeolocationPromptHelper(java_ref_,
 496                                   pending_geolocation_prompts_.front().first);
 497     }
 498   }
 499 }
 500
 501 void AwContents::HideGeolocationPrompt(const GURL& origin) {
 502   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 503   bool removed_current_outstanding_callback = false;
 504   std::list<OriginCallback>::iterator it = pending_geolocation_prompts_.begin();
 505   while (it != pending_geolocation_prompts_.end()) {
 506     if ((*it).first == origin.GetOrigin()) {
 507       if (it == pending_geolocation_prompts_.begin()) {
 508         removed_current_outstanding_callback = true;
 509       }
 510       it = pending_geolocation_prompts_.erase(it);
 511     } else {
 512       ++it;
 513     }
 514   }
 515
 516   if (removed_current_outstanding_callback) {
 517     JNIEnv* env = AttachCurrentThread();
 518     ScopedJavaLocalRef<jobject> j_ref = java_ref_.get(env);
 519     if (j_ref.obj()) {
 520       devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 521           "onGeolocationPermissionsHidePrompt");
 522       Java_AwContents_onGeolocationPermissionsHidePrompt(env, j_ref.obj());
 523     }
 524     if (!pending_geolocation_prompts_.empty()) {
 525       ShowGeolocationPromptHelper(java_ref_,
 526                             pending_geolocation_prompts_.front().first);
 527     }
 528   }
 529 }
 530
 531 void AwContents::OnPermissionRequest(AwPermissionRequest* request) {
 532   JNIEnv* env = AttachCurrentThread();
 533   ScopedJavaLocalRef<jobject> j_request = request->CreateJavaPeer();
 534   ScopedJavaLocalRef<jobject> j_ref = java_ref_.get(env);
 535   if (j_request.is_null() || j_ref.is_null()) {
 536     permission_request_handler_->CancelRequest(
 537         request->GetOrigin(), request->GetResources());
 538     return;
 539   }
 540
 541   Java_AwContents_onPermissionRequest(env, j_ref.obj(), j_request.obj());
 542 }
 543
 544 void AwContents::OnPermissionRequestCanceled(AwPermissionRequest* request) {
 545   JNIEnv* env = AttachCurrentThread();
 546   ScopedJavaLocalRef<jobject> j_request = request->GetJavaObject();
 547   ScopedJavaLocalRef<jobject> j_ref = java_ref_.get(env);
 548   if (j_request.is_null() || j_ref.is_null())
 549     return;
 550
 551   Java_AwContents_onPermissionRequestCanceled(
 552       env, j_ref.obj(), j_request.obj());
 553 }
 554
 555 void AwContents::PreauthorizePermission(
 556     JNIEnv* env,
 557     jobject obj,
 558     jstring origin,
 559     jlong resources) {
 560   permission_request_handler_->PreauthorizePermission(
 561       GURL(base::android::ConvertJavaStringToUTF8(env, origin)), resources);
 562 }
 563
 564 void AwContents::RequestProtectedMediaIdentifierPermission(
 565     const GURL& origin,
 566     const base::Callback<void(bool)>& callback) {
 567   permission_request_handler_->SendRequest(
 568       scoped_ptr<AwPermissionRequestDelegate>(new SimplePermissionRequest(
 569           origin, AwPermissionRequest::ProtectedMediaId, callback)));
 570 }
 571
 572 void AwContents::CancelProtectedMediaIdentifierPermissionRequests(
 573     const GURL& origin) {
 574   permission_request_handler_->CancelRequest(
 575       origin, AwPermissionRequest::ProtectedMediaId);
 576 }
 577
 578 void AwContents::RequestGeolocationPermission(
 579     const GURL& origin,
 580     const base::Callback<void(bool)>& callback) {
 581   JNIEnv* env = AttachCurrentThread();
 582   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 583   if (obj.is_null())
 584     return;
 585
 586   if (Java_AwContents_useLegacyGeolocationPermissionAPI(env, obj.obj())) {
 587     ShowGeolocationPrompt(origin, callback);
 588     return;
 589   }
 590   permission_request_handler_->SendRequest(
 591       scoped_ptr<AwPermissionRequestDelegate>(new SimplePermissionRequest(
 592           origin, AwPermissionRequest::Geolocation, callback)));
 593 }
 594
 595 void AwContents::CancelGeolocationPermissionRequests(const GURL& origin) {
 596   JNIEnv* env = AttachCurrentThread();
 597   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 598   if (obj.is_null())
 599     return;
 600
 601   if (Java_AwContents_useLegacyGeolocationPermissionAPI(env, obj.obj())) {
 602     HideGeolocationPrompt(origin);
 603     return;
 604   }
 605   permission_request_handler_->CancelRequest(
 606       origin, AwPermissionRequest::Geolocation);
 607 }
 608
 609 void AwContents::FindAllAsync(JNIEnv* env, jobject obj, jstring search_string) {
 610   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 611   GetFindHelper()->FindAllAsync(ConvertJavaStringToUTF16(env, search_string));
 612 }
 613
 614 void AwContents::FindNext(JNIEnv* env, jobject obj, jboolean forward) {
 615   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 616   GetFindHelper()->FindNext(forward);
 617 }
 618
 619 void AwContents::ClearMatches(JNIEnv* env, jobject obj) {
 620   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 621   GetFindHelper()->ClearMatches();
 622 }
 623
 624 void AwContents::ClearCache(
 625     JNIEnv* env,
 626     jobject obj,
 627     jboolean include_disk_files) {
 628   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 629   render_view_host_ext_->ClearCache();
 630
 631   if (include_disk_files) {
 632     RemoveHttpDiskCache(web_contents_->GetBrowserContext(),
 633                         web_contents_->GetRoutingID());
 634   }
 635 }
 636
 637 FindHelper* AwContents::GetFindHelper() {
 638   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 639   if (!find_helper_.get()) {
 640     find_helper_.reset(new FindHelper(web_contents_.get()));
 641     find_helper_->SetListener(this);
 642   }
 643   return find_helper_.get();
 644 }
 645
 646 void AwContents::OnFindResultReceived(int active_ordinal,
 647                                       int match_count,
 648                                       bool finished) {
 649   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 650   JNIEnv* env = AttachCurrentThread();
 651   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 652   if (obj.is_null())
 653     return;
 654
 655   Java_AwContents_onFindResultReceived(
 656       env, obj.obj(), active_ordinal, match_count, finished);
 657 }
 658
 659 bool AwContents::ShouldDownloadFavicon(const GURL& icon_url) {
 660   return g_should_download_favicons;
 661 }
 662
 663 void AwContents::OnReceivedIcon(const GURL& icon_url, const SkBitmap& bitmap) {
 664   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 665   JNIEnv* env = AttachCurrentThread();
 666   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 667   if (obj.is_null())
 668     return;
 669
 670   content::NavigationEntry* entry =
 671       web_contents_->GetController().GetActiveEntry();
 672
 673   if (entry) {
 674     entry->GetFavicon().valid = true;
 675     entry->GetFavicon().url = icon_url;
 676     entry->GetFavicon().image = gfx::Image::CreateFrom1xBitmap(bitmap);
 677   }
 678
 679   Java_AwContents_onReceivedIcon(
 680       env, obj.obj(), gfx::ConvertToJavaBitmap(&bitmap).obj());
 681 }
 682
 683 void AwContents::OnReceivedTouchIconUrl(const std::string& url,
 684                                         bool precomposed) {
 685   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 686   JNIEnv* env = AttachCurrentThread();
 687   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 688   if (obj.is_null())
 689     return;
 690
 691   Java_AwContents_onReceivedTouchIconUrl(
 692       env, obj.obj(), ConvertUTF8ToJavaString(env, url).obj(), precomposed);
 693 }
 694
 695 bool AwContents::RequestDrawGL(bool wait_for_completion) {
 696   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 697   JNIEnv* env = AttachCurrentThread();
 698   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 699   if (obj.is_null())
 700     return false;
 701   return Java_AwContents_requestDrawGL(env, obj.obj(), wait_for_completion);
 702 }
 703
 704 void AwContents::PostInvalidate() {
 705   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 706   JNIEnv* env = AttachCurrentThread();
 707   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 708   if (!obj.is_null())
 709     Java_AwContents_postInvalidateOnAnimation(env, obj.obj());
 710 }
 711
 712 void AwContents::OnNewPicture() {
 713   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 714   JNIEnv* env = AttachCurrentThread();
 715   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 716   if (!obj.is_null()) {
 717     devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 718         "onNewPicture");
 719     Java_AwContents_onNewPicture(env, obj.obj());
 720   }
 721 }
 722
 723 base::android::ScopedJavaLocalRef<jbyteArray>
 724     AwContents::GetCertificate(JNIEnv* env,
 725                                jobject obj) {
 726   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 727   content::NavigationEntry* entry =
 728       web_contents_->GetController().GetActiveEntry();
 729   if (!entry)
 730     return ScopedJavaLocalRef<jbyteArray>();
 731   // Get the certificate
 732   int cert_id = entry->GetSSL().cert_id;
 733   scoped_refptr<net::X509Certificate> cert;
 734   bool ok = content::CertStore::GetInstance()->RetrieveCert(cert_id, &cert);
 735   if (!ok)
 736     return ScopedJavaLocalRef<jbyteArray>();
 737
 738   // Convert the certificate and return it
 739   std::string der_string;
 740   net::X509Certificate::GetDEREncoded(cert->os_cert_handle(), &der_string);
 741   return base::android::ToJavaByteArray(env,
 742       reinterpret_cast<const uint8*>(der_string.data()), der_string.length());
 743 }
 744
 745 void AwContents::RequestNewHitTestDataAt(JNIEnv* env,
 746                                          jobject obj,
 747                                          jfloat x,
 748                                          jfloat y,
 749                                          jfloat touch_major) {
 750   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 751   gfx::PointF touch_center(x, y);
 752   gfx::SizeF touch_area(touch_major, touch_major);
 753   render_view_host_ext_->RequestNewHitTestDataAt(touch_center, touch_area);
 754 }
 755
 756 void AwContents::UpdateLastHitTestData(JNIEnv* env, jobject obj) {
 757   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 758   if (!render_view_host_ext_->HasNewHitTestData()) return;
 759
 760   const AwHitTestData& data = render_view_host_ext_->GetLastHitTestData();
 761   render_view_host_ext_->MarkHitTestDataRead();
 762
 763   // Make sure to null the Java object if data is empty/invalid.
 764   ScopedJavaLocalRef<jstring> extra_data_for_type;
 765   if (data.extra_data_for_type.length())
 766     extra_data_for_type = ConvertUTF8ToJavaString(
 767         env, data.extra_data_for_type);
 768
 769   ScopedJavaLocalRef<jstring> href;
 770   if (data.href.length())
 771     href = ConvertUTF16ToJavaString(env, data.href);
 772
 773   ScopedJavaLocalRef<jstring> anchor_text;
 774   if (data.anchor_text.length())
 775     anchor_text = ConvertUTF16ToJavaString(env, data.anchor_text);
 776
 777   ScopedJavaLocalRef<jstring> img_src;
 778   if (data.img_src.is_valid())
 779     img_src = ConvertUTF8ToJavaString(env, data.img_src.spec());
 780
 781   Java_AwContents_updateHitTestData(env,
 782                                     obj,
 783                                     data.type,
 784                                     extra_data_for_type.obj(),
 785                                     href.obj(),
 786                                     anchor_text.obj(),
 787                                     img_src.obj());
 788 }
 789
 790 void AwContents::OnSizeChanged(JNIEnv* env, jobject obj,
 791                                int w, int h, int ow, int oh) {
 792   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 793   browser_view_renderer_.OnSizeChanged(w, h);
 794 }
 795
 796 void AwContents::SetViewVisibility(JNIEnv* env, jobject obj, bool visible) {
 797   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 798   browser_view_renderer_.SetViewVisibility(visible);
 799 }
 800
 801 void AwContents::SetWindowVisibility(JNIEnv* env, jobject obj, bool visible) {
 802   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 803   browser_view_renderer_.SetWindowVisibility(visible);
 804 }
 805
 806 void AwContents::SetIsPaused(JNIEnv* env, jobject obj, bool paused) {
 807   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 808   browser_view_renderer_.SetIsPaused(paused);
 809   ContentViewCore* cvc =
 810       ContentViewCore::FromWebContents(web_contents_.get());
 811   if (cvc) {
 812     cvc->PauseOrResumeGeolocation(paused);
 813   }
 814 }
 815
 816 void AwContents::OnAttachedToWindow(JNIEnv* env, jobject obj, int w, int h) {
 817   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 818   browser_view_renderer_.OnAttachedToWindow(w, h);
 819 }
 820
 821 void AwContents::OnDetachedFromWindow(JNIEnv* env, jobject obj) {
 822   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 823   browser_view_renderer_.OnDetachedFromWindow();
 824 }
 825
 826 void AwContents::InvalidateOnFunctorDestroy() {
 827   JNIEnv* env = AttachCurrentThread();
 828   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 829   if (!obj.is_null())
 830     Java_AwContents_invalidateOnFunctorDestroy(env, obj.obj());
 831 }
 832
 833 base::android::ScopedJavaLocalRef<jbyteArray>
 834 AwContents::GetOpaqueState(JNIEnv* env, jobject obj) {
 835   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 836   // Required optimization in WebViewClassic to not save any state if
 837   // there has been no navigations.
 838   if (!web_contents_->GetController().GetEntryCount())
 839     return ScopedJavaLocalRef<jbyteArray>();
 840
 841   Pickle pickle;
 842   if (!WriteToPickle(*web_contents_, &pickle)) {
 843     return ScopedJavaLocalRef<jbyteArray>();
 844   } else {
 845     return base::android::ToJavaByteArray(env,
 846        reinterpret_cast<const uint8*>(pickle.data()), pickle.size());
 847   }
 848 }
 849
 850 jboolean AwContents::RestoreFromOpaqueState(
 851     JNIEnv* env, jobject obj, jbyteArray state) {
 852   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 853   // TODO(boliu): This copy can be optimized out if this is a performance
 854   // problem.
 855   std::vector<uint8> state_vector;
 856   base::android::JavaByteArrayToByteVector(env, state, &state_vector);
 857
 858   Pickle pickle(reinterpret_cast<const char*>(state_vector.begin()),
 859                 state_vector.size());
 860   PickleIterator iterator(pickle);
 861
 862   return RestoreFromPickle(&iterator, web_contents_.get());
 863 }
 864
 865 bool AwContents::OnDraw(JNIEnv* env,
 866                         jobject obj,
 867                         jobject canvas,
 868                         jboolean is_hardware_accelerated,
 869                         jint scroll_x,
 870                         jint scroll_y,
 871                         jint visible_left,
 872                         jint visible_top,
 873                         jint visible_right,
 874                         jint visible_bottom) {
 875   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 876   gfx::Vector2d scroll(scroll_x, scroll_y);
 877   browser_view_renderer_.PrepareToDraw(
 878       scroll, gfx::Rect(visible_left, visible_top, visible_right - visible_left,
 879                         visible_bottom - visible_top));
 880   if (is_hardware_accelerated && browser_view_renderer_.attached_to_window()) {
 881     return browser_view_renderer_.OnDrawHardware();
 882   }
 883
 884   gfx::Size view_size = browser_view_renderer_.size();
 885   if (view_size.IsEmpty()) {
 886     TRACE_EVENT_INSTANT0("android_webview", "EarlyOut_EmptySize",
 887                          TRACE_EVENT_SCOPE_THREAD);
 888     return false;
 889   }
 890
 891   // TODO(hush): Right now webview size is passed in as the auxiliary bitmap
 892   // size, which might hurt performace (only for software draws with auxiliary
 893   // bitmap). For better performance, get global visible rect, transform it
 894   // from screen space to view space, then intersect with the webview in
 895   // viewspace.  Use the resulting rect as the auxiliary bitmap.
 896   scoped_ptr<SoftwareCanvasHolder> canvas_holder =
 897       SoftwareCanvasHolder::Create(canvas, scroll, view_size);
 898   if (!canvas_holder || !canvas_holder->GetCanvas()) {
 899     TRACE_EVENT_INSTANT0("android_webview", "EarlyOut_EmptySize",
 900                          TRACE_EVENT_SCOPE_THREAD);
 901     return false;
 902   }
 903   return browser_view_renderer_.OnDrawSoftware(canvas_holder->GetCanvas());
 904 }
 905
 906 void AwContents::SetPendingWebContentsForPopup(
 907     scoped_ptr<content::WebContents> pending) {
 908   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 909   if (pending_contents_.get()) {
 910     // TODO(benm): Support holding multiple pop up window requests.
 911     LOG(WARNING) << "Blocking popup window creation as an outstanding "
 912                  << "popup window is still pending.";
 913     base::MessageLoop::current()->DeleteSoon(FROM_HERE, pending.release());
 914     return;
 915   }
 916   pending_contents_.reset(new AwContents(pending.Pass()));
 917 }
 918
 919 void AwContents::FocusFirstNode(JNIEnv* env, jobject obj) {
 920   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 921   web_contents_->FocusThroughTabTraversal(false);
 922 }
 923
 924 void AwContents::SetBackgroundColor(JNIEnv* env, jobject obj, jint color) {
 925   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 926   render_view_host_ext_->SetBackgroundColor(color);
 927 }
 928
 929 jlong AwContents::ReleasePopupAwContents(JNIEnv* env, jobject obj) {
 930   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 931   return reinterpret_cast<intptr_t>(pending_contents_.release());
 932 }
 933
 934 gfx::Point AwContents::GetLocationOnScreen() {
 935   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 936   JNIEnv* env = AttachCurrentThread();
 937   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 938   if (obj.is_null())
 939     return gfx::Point();
 940   std::vector<int> location;
 941   base::android::JavaIntArrayToIntVector(
 942       env,
 943       Java_AwContents_getLocationOnScreen(env, obj.obj()).obj(),
 944       &location);
 945   return gfx::Point(location[0], location[1]);
 946 }
 947
 948 void AwContents::ScrollContainerViewTo(gfx::Vector2d new_value) {
 949   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 950   JNIEnv* env = AttachCurrentThread();
 951   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 952   if (obj.is_null())
 953     return;
 954   Java_AwContents_scrollContainerViewTo(
 955       env, obj.obj(), new_value.x(), new_value.y());
 956 }
 957
 958 bool AwContents::IsFlingActive() const {
 959   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 960   JNIEnv* env = AttachCurrentThread();
 961   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 962   if (obj.is_null())
 963     return false;
 964   return Java_AwContents_isFlingActive(env, obj.obj());
 965 }
 966
 967 void AwContents::UpdateScrollState(gfx::Vector2d max_scroll_offset,
 968                                    gfx::SizeF contents_size_dip,
 969                                    float page_scale_factor,
 970                                    float min_page_scale_factor,
 971                                    float max_page_scale_factor) {
 972   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 973   JNIEnv* env = AttachCurrentThread();
 974   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 975   if (obj.is_null())
 976     return;
 977   Java_AwContents_updateScrollState(env,
 978                                     obj.obj(),
 979                                     max_scroll_offset.x(),
 980                                     max_scroll_offset.y(),
 981                                     contents_size_dip.width(),
 982                                     contents_size_dip.height(),
 983                                     page_scale_factor,
 984                                     min_page_scale_factor,
 985                                     max_page_scale_factor);
 986 }
 987
 988 void AwContents::DidOverscroll(gfx::Vector2d overscroll_delta) {
 989   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 990   JNIEnv* env = AttachCurrentThread();
 991   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 992   if (obj.is_null())
 993     return;
 994   Java_AwContents_didOverscroll(
 995       env, obj.obj(), overscroll_delta.x(), overscroll_delta.y());
 996 }
 997
 998 const BrowserViewRenderer* AwContents::GetBrowserViewRenderer() const {
 999   return &browser_view_renderer_;
1000 }
1001
1002 void AwContents::SetDipScale(JNIEnv* env, jobject obj, jfloat dip_scale) {
1003   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1004   browser_view_renderer_.SetDipScale(dip_scale);
1005 }
1006
1007 void AwContents::ScrollTo(JNIEnv* env, jobject obj, jint x, jint y) {
1008   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1009   browser_view_renderer_.ScrollTo(gfx::Vector2d(x, y));
1010 }
1011
1012 void AwContents::OnWebLayoutPageScaleFactorChanged(float page_scale_factor) {
1013   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1014   JNIEnv* env = AttachCurrentThread();
1015   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
1016   if (obj.is_null())
1017     return;
1018   Java_AwContents_onWebLayoutPageScaleFactorChanged(env, obj.obj(),
1019                                                          page_scale_factor);
1020 }
1021
1022 void AwContents::OnWebLayoutContentsSizeChanged(
1023     const gfx::Size& contents_size) {
1024   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1025   JNIEnv* env = AttachCurrentThread();
1026   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
1027   if (obj.is_null())
1028     return;
1029   Java_AwContents_onWebLayoutContentsSizeChanged(
1030       env, obj.obj(), contents_size.width(), contents_size.height());
1031 }
1032
1033 jlong AwContents::CapturePicture(JNIEnv* env,
1034                                  jobject obj,
1035                                  int width,
1036                                  int height) {
1037   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1038   return reinterpret_cast<intptr_t>(
1039       new AwPicture(browser_view_renderer_.CapturePicture(width, height)));
1040 }
1041
1042 void AwContents::EnableOnNewPicture(JNIEnv* env,
1043                                     jobject obj,
1044                                     jboolean enabled) {
1045   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1046   browser_view_renderer_.EnableOnNewPicture(enabled);
1047 }
1048
1049 void AwContents::ClearView(JNIEnv* env, jobject obj) {
1050   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1051   browser_view_renderer_.ClearView();
1052 }
1053
1054 void AwContents::SetExtraHeadersForUrl(JNIEnv* env, jobject obj,
1055                                        jstring url, jstring jextra_headers) {
1056   std::string extra_headers;
1057   if (jextra_headers)
1058     extra_headers = ConvertJavaStringToUTF8(env, jextra_headers);
1059   AwResourceContext* resource_context = static_cast<AwResourceContext*>(
1060       AwBrowserContext::FromWebContents(web_contents_.get())->
1061       GetResourceContext());
1062   resource_context->SetExtraHeaders(GURL(ConvertJavaStringToUTF8(env, url)),
1063                                     extra_headers);
1064 }
1065
1066 void AwContents::SetJsOnlineProperty(JNIEnv* env,
1067                                      jobject obj,
1068                                      jboolean network_up) {
1069   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1070   render_view_host_ext_->SetJsOnlineProperty(network_up);
1071 }
1072
1073 void AwContents::TrimMemory(JNIEnv* env,
1074                             jobject obj,
1075                             jint level,
1076                             jboolean visible) {
1077   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1078   browser_view_renderer_.TrimMemory(level, visible);
1079 }
1080
1081 // TODO(sgurun) add support for posting a frame whose name is known (only
1082 //               main frame is supported at this time, see crbug.com/389721)
1083 void AwContents::PostMessageToFrame(JNIEnv* env, jobject obj,
1084     jstring frame_name, jstring message, jstring source_origin,
1085     jstring target_origin, jintArray msgPorts) {
1086
1087   base::string16* j_source_origin = new base::string16;
1088   ConvertJavaStringToUTF16(env, source_origin, j_source_origin);
1089   base::string16* j_target_origin = new base::string16;
1090   ConvertJavaStringToUTF16(env, target_origin, j_target_origin);
1091   base::string16* j_message = new base::string16;
1092   ConvertJavaStringToUTF16(env, message, j_message);
1093   std::vector<int>* j_ports  = new std::vector<int>;
1094
1095   if (msgPorts != nullptr)
1096     base::android::JavaIntArrayToIntVector(env, msgPorts, j_ports);
1097
1098   BrowserThread::PostTask(
1099       BrowserThread::IO,
1100       FROM_HERE,
1101       base::Bind(&PostMessageToFrameOnIOThread,
1102                  web_contents_.get(),
1103                  base::Owned(j_source_origin),
1104                  base::Owned(j_target_origin),
1105                  base::Owned(j_message),
1106                  base::Owned(j_ports)));
1107 }
1108
1109 void AwContents::CreateMessageChannel(JNIEnv* env, jobject obj,
1110     jobject callback) {
1111   ScopedJavaGlobalRef<jobject>* j_callback = new ScopedJavaGlobalRef<jobject>();
1112   j_callback->Reset(env, callback);
1113
1114   int* port1 = new int;
1115   int* port2 = new int;
1116   BrowserThread::PostTaskAndReply(
1117       BrowserThread::IO,
1118       FROM_HERE,
1119       base::Bind(&content::MessagePortProvider::CreateMessageChannel,
1120                  web_contents_.get(),
1121                  port1,
1122                  port2),
1123       base::Bind(&OnMessageChannelCreated,
1124                  base::Owned(j_callback),
1125                  base::Owned(port1),
1126                  base::Owned(port2)));
1127 }
1128
1129
1130 void SetShouldDownloadFavicons(JNIEnv* env, jclass jclazz) {
1131   g_should_download_favicons = true;
1132 }
1133
1134 }  // namespace android_webview