src/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/gpu_memory_buffer_factory_impl.h"
  15 #include "android_webview/browser/hardware_renderer.h"
  16 #include "android_webview/browser/net_disk_cache_remover.h"
  17 #include "android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.h"
  18 #include "android_webview/browser/scoped_app_gl_state_restore.h"
  19 #include "android_webview/common/aw_hit_test_data.h"
  20 #include "android_webview/common/devtools_instrumentation.h"
  21 #include "android_webview/native/aw_autofill_client.h"
  22 #include "android_webview/native/aw_browser_dependency_factory.h"
  23 #include "android_webview/native/aw_contents_client_bridge.h"
  24 #include "android_webview/native/aw_contents_io_thread_client_impl.h"
  25 #include "android_webview/native/aw_pdf_exporter.h"
  26 #include "android_webview/native/aw_picture.h"
  27 #include "android_webview/native/aw_web_contents_delegate.h"
  28 #include "android_webview/native/java_browser_view_renderer_helper.h"
  29 #include "android_webview/native/permission/aw_permission_request.h"
  30 #include "android_webview/native/permission/permission_request_handler.h"
  31 #include "android_webview/native/permission/simple_permission_request.h"
  32 #include "android_webview/native/state_serializer.h"
  33 #include "android_webview/public/browser/draw_gl.h"
  34 #include "base/android/jni_android.h"
  35 #include "base/android/jni_array.h"
  36 #include "base/android/jni_string.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.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/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/browser_thread.h"
  53 #include "content/public/browser/cert_store.h"
  54 #include "content/public/browser/favicon_status.h"
  55 #include "content/public/browser/navigation_entry.h"
  56 #include "content/public/browser/render_frame_host.h"
  57 #include "content/public/browser/render_process_host.h"
  58 #include "content/public/browser/render_view_host.h"
  59 #include "content/public/browser/web_contents.h"
  60 #include "content/public/common/renderer_preferences.h"
  61 #include "content/public/common/ssl_status.h"
  62 #include "jni/AwContents_jni.h"
  63 #include "net/base/auth.h"
  64 #include "net/cert/x509_certificate.h"
  65 #include "third_party/skia/include/core/SkPicture.h"
  66 #include "ui/base/l10n/l10n_util_android.h"
  67 #include "ui/gfx/android/java_bitmap.h"
  68 #include "ui/gfx/image/image.h"
  69 #include "ui/gfx/size.h"
  70
  71 struct AwDrawSWFunctionTable;
  72 struct AwDrawGLFunctionTable;
  73
  74 using autofill::ContentAutofillDriver;
  75 using autofill::AutofillManager;
  76 using base::android::AttachCurrentThread;
  77 using base::android::ConvertJavaStringToUTF16;
  78 using base::android::ConvertJavaStringToUTF8;
  79 using base::android::ConvertUTF16ToJavaString;
  80 using base::android::ConvertUTF8ToJavaString;
  81 using base::android::JavaRef;
  82 using base::android::ScopedJavaGlobalRef;
  83 using base::android::ScopedJavaLocalRef;
  84 using data_reduction_proxy::DataReductionProxySettings;
  85 using navigation_interception::InterceptNavigationDelegate;
  86 using content::BrowserThread;
  87 using content::ContentViewCore;
  88 using content::WebContents;
  89
  90 extern "C" {
  91 static AwDrawGLFunction DrawGLFunction;
  92 static void DrawGLFunction(long view_context,
  93                            AwDrawGLInfo* draw_info,
  94                            void* spare) {
  95   // |view_context| is the value that was returned from the java
  96   // AwContents.onPrepareDrawGL; this cast must match the code there.
  97   reinterpret_cast<android_webview::AwContents*>(view_context)
  98       ->DrawGL(draw_info);
  99 }
 100 }
 101
 102 namespace android_webview {
 103
 104 namespace {
 105
 106 bool g_should_download_favicons = false;
 107
 108 const void* kAwContentsUserDataKey = &kAwContentsUserDataKey;
 109
 110 class AwContentsUserData : public base::SupportsUserData::Data {
 111  public:
 112   AwContentsUserData(AwContents* ptr) : contents_(ptr) {}
 113
 114   static AwContents* GetContents(WebContents* web_contents) {
 115     if (!web_contents)
 116       return NULL;
 117     AwContentsUserData* data = reinterpret_cast<AwContentsUserData*>(
 118         web_contents->GetUserData(kAwContentsUserDataKey));
 119     return data ? data->contents_ : NULL;
 120   }
 121
 122  private:
 123   AwContents* contents_;
 124 };
 125
 126 base::subtle::Atomic32 g_instance_count = 0;
 127
 128 void OnIoThreadClientReady(content::RenderFrameHost* rfh) {
 129   int render_process_id = rfh->GetProcess()->GetID();
 130   int render_frame_id = rfh->GetRoutingID();
 131   AwResourceDispatcherHostDelegate::OnIoThreadClientReady(
 132       render_process_id, render_frame_id);
 133 }
 134
 135 }  // namespace
 136
 137 // static
 138 AwContents* AwContents::FromWebContents(WebContents* web_contents) {
 139   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 140   return AwContentsUserData::GetContents(web_contents);
 141 }
 142
 143 // static
 144 AwContents* AwContents::FromID(int render_process_id, int render_view_id) {
 145   const content::RenderViewHost* rvh =
 146       content::RenderViewHost::FromID(render_process_id, render_view_id);
 147   if (!rvh) return NULL;
 148   content::WebContents* web_contents =
 149       content::WebContents::FromRenderViewHost(rvh);
 150   if (!web_contents) return NULL;
 151   return FromWebContents(web_contents);
 152 }
 153
 154 // static
 155 AwBrowserPermissionRequestDelegate* AwBrowserPermissionRequestDelegate::FromID(
 156     int render_process_id, int render_view_id) {
 157   AwContents* aw_contents = AwContents::FromID(render_process_id,
 158                                                render_view_id);
 159   return implicit_cast<AwBrowserPermissionRequestDelegate*>(aw_contents);
 160 }
 161
 162 AwContents::AwContents(scoped_ptr<WebContents> web_contents)
 163     : web_contents_(web_contents.Pass()),
 164       shared_renderer_state_(
 165           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
 166           this),
 167       browser_view_renderer_(
 168           this,
 169           &shared_renderer_state_,
 170           web_contents_.get(),
 171           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI)),
 172       renderer_manager_key_(GLViewRendererManager::GetInstance()->NullKey()) {
 173   base::subtle::NoBarrier_AtomicIncrement(&g_instance_count, 1);
 174   icon_helper_.reset(new IconHelper(web_contents_.get()));
 175   icon_helper_->SetListener(this);
 176   web_contents_->SetUserData(kAwContentsUserDataKey,
 177                              new AwContentsUserData(this));
 178   render_view_host_ext_.reset(
 179       new AwRenderViewHostExt(this, web_contents_.get()));
 180
 181   permission_request_handler_.reset(
 182       new PermissionRequestHandler(this, web_contents_.get()));
 183
 184   AwAutofillClient* autofill_manager_delegate =
 185       AwAutofillClient::FromWebContents(web_contents_.get());
 186   InitDataReductionProxyIfNecessary();
 187   if (autofill_manager_delegate)
 188     InitAutofillIfNecessary(autofill_manager_delegate->GetSaveFormData());
 189 }
 190
 191 void AwContents::SetJavaPeers(JNIEnv* env,
 192                               jobject obj,
 193                               jobject aw_contents,
 194                               jobject web_contents_delegate,
 195                               jobject contents_client_bridge,
 196                               jobject io_thread_client,
 197                               jobject intercept_navigation_delegate) {
 198   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 199   // The |aw_content| param is technically spurious as it duplicates |obj| but
 200   // is passed over anyway to make the binding more explicit.
 201   java_ref_ = JavaObjectWeakGlobalRef(env, aw_contents);
 202
 203   web_contents_delegate_.reset(
 204       new AwWebContentsDelegate(env, web_contents_delegate));
 205   web_contents_->SetDelegate(web_contents_delegate_.get());
 206
 207   contents_client_bridge_.reset(
 208       new AwContentsClientBridge(env, contents_client_bridge));
 209   AwContentsClientBridgeBase::Associate(web_contents_.get(),
 210                                         contents_client_bridge_.get());
 211
 212   AwContentsIoThreadClientImpl::Associate(
 213       web_contents_.get(), ScopedJavaLocalRef<jobject>(env, io_thread_client));
 214
 215   InterceptNavigationDelegate::Associate(
 216       web_contents_.get(),
 217       make_scoped_ptr(new InterceptNavigationDelegate(
 218           env, intercept_navigation_delegate)));
 219
 220   // Finally, having setup the associations, release any deferred requests
 221   web_contents_->ForEachFrame(base::Bind(&OnIoThreadClientReady));
 222 }
 223
 224 void AwContents::SetSaveFormData(bool enabled) {
 225   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 226   InitAutofillIfNecessary(enabled);
 227   // We need to check for the existence, since autofill_manager_delegate
 228   // may not be created when the setting is false.
 229   if (ContentAutofillDriver::FromWebContents(web_contents_.get())) {
 230     AwAutofillClient::FromWebContents(web_contents_.get())->
 231         SetSaveFormData(enabled);
 232   }
 233 }
 234
 235 void AwContents::InitDataReductionProxyIfNecessary() {
 236   AwBrowserContext* browser_context =
 237       AwBrowserContext::FromWebContents(web_contents_.get());
 238   browser_context->CreateUserPrefServiceIfNecessary();
 239 }
 240
 241 void AwContents::InitAutofillIfNecessary(bool enabled) {
 242   // Do not initialize if the feature is not enabled.
 243   if (!enabled)
 244     return;
 245   // Check if the autofill driver already exists.
 246   content::WebContents* web_contents = web_contents_.get();
 247   if (ContentAutofillDriver::FromWebContents(web_contents))
 248     return;
 249
 250   AwBrowserContext::FromWebContents(web_contents)->
 251       CreateUserPrefServiceIfNecessary();
 252   AwAutofillClient::CreateForWebContents(web_contents);
 253   ContentAutofillDriver::CreateForWebContentsAndDelegate(
 254       web_contents,
 255       AwAutofillClient::FromWebContents(web_contents),
 256       l10n_util::GetDefaultLocale(),
 257       AutofillManager::DISABLE_AUTOFILL_DOWNLOAD_MANAGER);
 258 }
 259
 260 void AwContents::SetAwAutofillClient(jobject client) {
 261   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 262   JNIEnv* env = AttachCurrentThread();
 263   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 264   if (obj.is_null())
 265     return;
 266   Java_AwContents_setAwAutofillClient(env, obj.obj(), client);
 267 }
 268
 269 AwContents::~AwContents() {
 270   DCHECK(AwContents::FromWebContents(web_contents_.get()) == this);
 271   DCHECK(!hardware_renderer_.get());
 272   web_contents_->RemoveUserData(kAwContentsUserDataKey);
 273   if (find_helper_.get())
 274     find_helper_->SetListener(NULL);
 275   if (icon_helper_.get())
 276     icon_helper_->SetListener(NULL);
 277   base::subtle::NoBarrier_AtomicIncrement(&g_instance_count, -1);
 278   // When the last WebView is destroyed free all discardable memory allocated by
 279   // Chromium, because the app process may continue to run for a long time
 280   // without ever using another WebView.
 281   if (base::subtle::NoBarrier_Load(&g_instance_count) == 0) {
 282     base::MemoryPressureListener::NotifyMemoryPressure(
 283         base::MemoryPressureListener::MEMORY_PRESSURE_CRITICAL);
 284   }
 285 }
 286
 287 jlong AwContents::GetWebContents(JNIEnv* env, jobject obj) {
 288   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 289   DCHECK(web_contents_);
 290   return reinterpret_cast<intptr_t>(web_contents_.get());
 291 }
 292
 293 void AwContents::Destroy(JNIEnv* env, jobject obj) {
 294   java_ref_.reset();
 295
 296   // We clear the contents_client_bridge_ here so that we break the link with
 297   // the java peer. This is important for the popup window case, where we are
 298   // swapping AwContents out that share the same java AwContentsClientBridge.
 299   // See b/15074651.
 300   contents_client_bridge_.reset();
 301
 302   // We do not delete AwContents immediately. Some applications try to delete
 303   // Webview in ShouldOverrideUrlLoading callback, which is a sync IPC from
 304   // Webkit.
 305   BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE, this);
 306 }
 307
 308 static jlong Init(JNIEnv* env, jclass, jobject browser_context) {
 309   // TODO(joth): Use |browser_context| to get the native BrowserContext, rather
 310   // than hard-code the default instance lookup here.
 311   scoped_ptr<WebContents> web_contents(content::WebContents::Create(
 312       content::WebContents::CreateParams(AwBrowserContext::GetDefault())));
 313   // Return an 'uninitialized' instance; most work is deferred until the
 314   // subsequent SetJavaPeers() call.
 315   return reinterpret_cast<intptr_t>(new AwContents(web_contents.Pass()));
 316 }
 317
 318 static void SetAwDrawSWFunctionTable(JNIEnv* env, jclass,
 319                                      jlong function_table) {
 320   JavaBrowserViewRendererHelper::SetAwDrawSWFunctionTable(
 321       reinterpret_cast<AwDrawSWFunctionTable*>(function_table));
 322 }
 323
 324 static void SetAwDrawGLFunctionTable(JNIEnv* env, jclass,
 325                                      jlong function_table) {
 326   GpuMemoryBufferFactoryImpl::SetAwDrawGLFunctionTable(
 327       reinterpret_cast<AwDrawGLFunctionTable*>(function_table));
 328 }
 329
 330 static jlong GetAwDrawGLFunction(JNIEnv* env, jclass) {
 331   return reinterpret_cast<intptr_t>(&DrawGLFunction);
 332 }
 333
 334 // static
 335 jint GetNativeInstanceCount(JNIEnv* env, jclass) {
 336   return base::subtle::NoBarrier_Load(&g_instance_count);
 337 }
 338
 339 jlong AwContents::GetAwDrawGLViewContext(JNIEnv* env, jobject obj) {
 340   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 341   return reinterpret_cast<intptr_t>(this);
 342 }
 343
 344 void AwContents::DrawGL(AwDrawGLInfo* draw_info) {
 345   {
 346     GLViewRendererManager* manager = GLViewRendererManager::GetInstance();
 347     base::AutoLock lock(render_thread_lock_);
 348     if (renderer_manager_key_ != manager->NullKey()) {
 349       manager->DidDrawGL(renderer_manager_key_);
 350     }
 351   }
 352
 353   ScopedAppGLStateRestore state_restore(
 354       draw_info->mode == AwDrawGLInfo::kModeDraw
 355           ? ScopedAppGLStateRestore::MODE_DRAW
 356           : ScopedAppGLStateRestore::MODE_RESOURCE_MANAGEMENT);
 357   ScopedAllowGL allow_gl;
 358
 359   if (!shared_renderer_state_.IsHardwareAllowed()) {
 360     hardware_renderer_.reset();
 361     return;
 362   }
 363
 364   if (draw_info->mode != AwDrawGLInfo::kModeDraw)
 365     return;
 366
 367   if (!hardware_renderer_) {
 368     hardware_renderer_.reset(new HardwareRenderer(&shared_renderer_state_));
 369   }
 370
 371   hardware_renderer_->DrawGL(state_restore.stencil_enabled(),
 372                              state_restore.framebuffer_binding_ext(),
 373                              draw_info);
 374 }
 375
 376 namespace {
 377 void DocumentHasImagesCallback(const ScopedJavaGlobalRef<jobject>& message,
 378                                bool has_images) {
 379   Java_AwContents_onDocumentHasImagesResponse(AttachCurrentThread(),
 380                                               has_images,
 381                                               message.obj());
 382 }
 383 }  // namespace
 384
 385 void AwContents::DocumentHasImages(JNIEnv* env, jobject obj, jobject message) {
 386   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 387   ScopedJavaGlobalRef<jobject> j_message;
 388   j_message.Reset(env, message);
 389   render_view_host_ext_->DocumentHasImages(
 390       base::Bind(&DocumentHasImagesCallback, j_message));
 391 }
 392
 393 namespace {
 394 void GenerateMHTMLCallback(ScopedJavaGlobalRef<jobject>* callback,
 395                            const base::FilePath& path, int64 size) {
 396   JNIEnv* env = AttachCurrentThread();
 397   // Android files are UTF8, so the path conversion below is safe.
 398   Java_AwContents_generateMHTMLCallback(
 399       env,
 400       ConvertUTF8ToJavaString(env, path.AsUTF8Unsafe()).obj(),
 401       size, callback->obj());
 402 }
 403 }  // namespace
 404
 405 void AwContents::GenerateMHTML(JNIEnv* env, jobject obj,
 406                                jstring jpath, jobject callback) {
 407   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 408   ScopedJavaGlobalRef<jobject>* j_callback = new ScopedJavaGlobalRef<jobject>();
 409   j_callback->Reset(env, callback);
 410   base::FilePath target_path(ConvertJavaStringToUTF8(env, jpath));
 411   web_contents_->GenerateMHTML(
 412       target_path,
 413       base::Bind(&GenerateMHTMLCallback, base::Owned(j_callback), target_path));
 414 }
 415
 416 void AwContents::CreatePdfExporter(JNIEnv* env,
 417                                    jobject obj,
 418                                    jobject pdfExporter) {
 419   pdf_exporter_.reset(
 420       new AwPdfExporter(env,
 421                         pdfExporter,
 422                         web_contents_.get()));
 423 }
 424
 425 bool AwContents::OnReceivedHttpAuthRequest(const JavaRef<jobject>& handler,
 426                                            const std::string& host,
 427                                            const std::string& realm) {
 428   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 429   JNIEnv* env = AttachCurrentThread();
 430   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 431   if (obj.is_null())
 432     return false;
 433
 434   ScopedJavaLocalRef<jstring> jhost = ConvertUTF8ToJavaString(env, host);
 435   ScopedJavaLocalRef<jstring> jrealm = ConvertUTF8ToJavaString(env, realm);
 436   devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 437       "onReceivedHttpAuthRequest");
 438   Java_AwContents_onReceivedHttpAuthRequest(env, obj.obj(), handler.obj(),
 439       jhost.obj(), jrealm.obj());
 440   return true;
 441 }
 442
 443 void AwContents::AddVisitedLinks(JNIEnv* env,
 444                                    jobject obj,
 445                                    jobjectArray jvisited_links) {
 446   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 447   std::vector<base::string16> visited_link_strings;
 448   base::android::AppendJavaStringArrayToStringVector(
 449       env, jvisited_links, &visited_link_strings);
 450
 451   std::vector<GURL> visited_link_gurls;
 452   std::vector<base::string16>::const_iterator itr;
 453   for (itr = visited_link_strings.begin(); itr != visited_link_strings.end();
 454        ++itr) {
 455     visited_link_gurls.push_back(GURL(*itr));
 456   }
 457
 458   AwBrowserContext::FromWebContents(web_contents_.get())
 459       ->AddVisitedURLs(visited_link_gurls);
 460 }
 461
 462 bool RegisterAwContents(JNIEnv* env) {
 463   return RegisterNativesImpl(env);
 464 }
 465
 466 namespace {
 467
 468 void ShowGeolocationPromptHelperTask(const JavaObjectWeakGlobalRef& java_ref,
 469                                      const GURL& origin) {
 470   JNIEnv* env = AttachCurrentThread();
 471   ScopedJavaLocalRef<jobject> j_ref = java_ref.get(env);
 472   if (j_ref.obj()) {
 473     ScopedJavaLocalRef<jstring> j_origin(
 474         ConvertUTF8ToJavaString(env, origin.spec()));
 475     devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 476         "onGeolocationPermissionsShowPrompt");
 477     Java_AwContents_onGeolocationPermissionsShowPrompt(env,
 478                                                        j_ref.obj(),
 479                                                        j_origin.obj());
 480   }
 481 }
 482
 483 void ShowGeolocationPromptHelper(const JavaObjectWeakGlobalRef& java_ref,
 484                                  const GURL& origin) {
 485   JNIEnv* env = AttachCurrentThread();
 486   if (java_ref.get(env).obj()) {
 487     content::BrowserThread::PostTask(
 488         content::BrowserThread::UI,
 489         FROM_HERE,
 490         base::Bind(&ShowGeolocationPromptHelperTask,
 491                    java_ref,
 492                    origin));
 493   }
 494 }
 495
 496 } // anonymous namespace
 497
 498 void AwContents::ShowGeolocationPrompt(const GURL& requesting_frame,
 499                                        base::Callback<void(bool)> callback) {
 500   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 501
 502   GURL origin = requesting_frame.GetOrigin();
 503   bool show_prompt = pending_geolocation_prompts_.empty();
 504   pending_geolocation_prompts_.push_back(OriginCallback(origin, callback));
 505   if (show_prompt) {
 506     ShowGeolocationPromptHelper(java_ref_, origin);
 507   }
 508 }
 509
 510 // Invoked from Java
 511 void AwContents::InvokeGeolocationCallback(JNIEnv* env,
 512                                            jobject obj,
 513                                            jboolean value,
 514                                            jstring origin) {
 515   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 516
 517   GURL callback_origin(base::android::ConvertJavaStringToUTF16(env, origin));
 518   if (callback_origin.GetOrigin() ==
 519       pending_geolocation_prompts_.front().first) {
 520     pending_geolocation_prompts_.front().second.Run(value);
 521     pending_geolocation_prompts_.pop_front();
 522     if (!pending_geolocation_prompts_.empty()) {
 523       ShowGeolocationPromptHelper(java_ref_,
 524                                   pending_geolocation_prompts_.front().first);
 525     }
 526   }
 527 }
 528
 529 void AwContents::HideGeolocationPrompt(const GURL& origin) {
 530   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 531   bool removed_current_outstanding_callback = false;
 532   std::list<OriginCallback>::iterator it = pending_geolocation_prompts_.begin();
 533   while (it != pending_geolocation_prompts_.end()) {
 534     if ((*it).first == origin.GetOrigin()) {
 535       if (it == pending_geolocation_prompts_.begin()) {
 536         removed_current_outstanding_callback = true;
 537       }
 538       it = pending_geolocation_prompts_.erase(it);
 539     } else {
 540       ++it;
 541     }
 542   }
 543
 544   if (removed_current_outstanding_callback) {
 545     JNIEnv* env = AttachCurrentThread();
 546     ScopedJavaLocalRef<jobject> j_ref = java_ref_.get(env);
 547     if (j_ref.obj()) {
 548       devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 549           "onGeolocationPermissionsHidePrompt");
 550       Java_AwContents_onGeolocationPermissionsHidePrompt(env, j_ref.obj());
 551     }
 552     if (!pending_geolocation_prompts_.empty()) {
 553       ShowGeolocationPromptHelper(java_ref_,
 554                             pending_geolocation_prompts_.front().first);
 555     }
 556   }
 557 }
 558
 559 void AwContents::OnPermissionRequest(AwPermissionRequest* request) {
 560   JNIEnv* env = AttachCurrentThread();
 561   ScopedJavaLocalRef<jobject> j_request = request->CreateJavaPeer();
 562   ScopedJavaLocalRef<jobject> j_ref = java_ref_.get(env);
 563   if (j_request.is_null() || j_ref.is_null()) {
 564     permission_request_handler_->CancelRequest(
 565         request->GetOrigin(), request->GetResources());
 566     return;
 567   }
 568
 569   Java_AwContents_onPermissionRequest(env, j_ref.obj(), j_request.obj());
 570 }
 571
 572 void AwContents::OnPermissionRequestCanceled(AwPermissionRequest* request) {
 573   JNIEnv* env = AttachCurrentThread();
 574   ScopedJavaLocalRef<jobject> j_request = request->GetJavaObject();
 575   ScopedJavaLocalRef<jobject> j_ref = java_ref_.get(env);
 576   if (j_request.is_null() || j_ref.is_null())
 577     return;
 578
 579   Java_AwContents_onPermissionRequestCanceled(
 580       env, j_ref.obj(), j_request.obj());
 581 }
 582
 583 void AwContents::PreauthorizePermission(
 584     JNIEnv* env,
 585     jobject obj,
 586     jstring origin,
 587     jlong resources) {
 588   permission_request_handler_->PreauthorizePermission(
 589       GURL(base::android::ConvertJavaStringToUTF8(env, origin)), resources);
 590 }
 591
 592 void AwContents::RequestProtectedMediaIdentifierPermission(
 593     const GURL& origin,
 594     const base::Callback<void(bool)>& callback) {
 595   permission_request_handler_->SendRequest(
 596       scoped_ptr<AwPermissionRequestDelegate>(new SimplePermissionRequest(
 597           origin, AwPermissionRequest::ProtectedMediaId, callback)));
 598 }
 599
 600 void AwContents::CancelProtectedMediaIdentifierPermissionRequests(
 601     const GURL& origin) {
 602   permission_request_handler_->CancelRequest(
 603       origin, AwPermissionRequest::ProtectedMediaId);
 604 }
 605
 606 void AwContents::RequestGeolocationPermission(
 607     const GURL& origin,
 608     const base::Callback<void(bool)>& callback) {
 609   JNIEnv* env = AttachCurrentThread();
 610   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 611   if (obj.is_null())
 612     return;
 613
 614   if (Java_AwContents_useLegacyGeolocationPermissionAPI(env, obj.obj())) {
 615     ShowGeolocationPrompt(origin, callback);
 616     return;
 617   }
 618   permission_request_handler_->SendRequest(
 619       scoped_ptr<AwPermissionRequestDelegate>(new SimplePermissionRequest(
 620           origin, AwPermissionRequest::Geolocation, callback)));
 621 }
 622
 623 void AwContents::CancelGeolocationPermissionRequests(const GURL& origin) {
 624   JNIEnv* env = AttachCurrentThread();
 625   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 626   if (obj.is_null())
 627     return;
 628
 629   if (Java_AwContents_useLegacyGeolocationPermissionAPI(env, obj.obj())) {
 630     HideGeolocationPrompt(origin);
 631     return;
 632   }
 633   permission_request_handler_->CancelRequest(
 634       origin, AwPermissionRequest::Geolocation);
 635 }
 636
 637 void AwContents::FindAllAsync(JNIEnv* env, jobject obj, jstring search_string) {
 638   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 639   GetFindHelper()->FindAllAsync(ConvertJavaStringToUTF16(env, search_string));
 640 }
 641
 642 void AwContents::FindNext(JNIEnv* env, jobject obj, jboolean forward) {
 643   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 644   GetFindHelper()->FindNext(forward);
 645 }
 646
 647 void AwContents::ClearMatches(JNIEnv* env, jobject obj) {
 648   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 649   GetFindHelper()->ClearMatches();
 650 }
 651
 652 void AwContents::ClearCache(
 653     JNIEnv* env,
 654     jobject obj,
 655     jboolean include_disk_files) {
 656   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 657   render_view_host_ext_->ClearCache();
 658
 659   if (include_disk_files) {
 660     RemoveHttpDiskCache(web_contents_->GetBrowserContext(),
 661                         web_contents_->GetRoutingID());
 662   }
 663 }
 664
 665 FindHelper* AwContents::GetFindHelper() {
 666   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 667   if (!find_helper_.get()) {
 668     find_helper_.reset(new FindHelper(web_contents_.get()));
 669     find_helper_->SetListener(this);
 670   }
 671   return find_helper_.get();
 672 }
 673
 674 void AwContents::OnFindResultReceived(int active_ordinal,
 675                                       int match_count,
 676                                       bool finished) {
 677   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 678   JNIEnv* env = AttachCurrentThread();
 679   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 680   if (obj.is_null())
 681     return;
 682
 683   Java_AwContents_onFindResultReceived(
 684       env, obj.obj(), active_ordinal, match_count, finished);
 685 }
 686
 687 bool AwContents::ShouldDownloadFavicon(const GURL& icon_url) {
 688   return g_should_download_favicons;
 689 }
 690
 691 void AwContents::OnReceivedIcon(const GURL& icon_url, const SkBitmap& bitmap) {
 692   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 693   JNIEnv* env = AttachCurrentThread();
 694   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 695   if (obj.is_null())
 696     return;
 697
 698   content::NavigationEntry* entry =
 699       web_contents_->GetController().GetActiveEntry();
 700
 701   if (entry) {
 702     entry->GetFavicon().valid = true;
 703     entry->GetFavicon().url = icon_url;
 704     entry->GetFavicon().image = gfx::Image::CreateFrom1xBitmap(bitmap);
 705   }
 706
 707   Java_AwContents_onReceivedIcon(
 708       env, obj.obj(), gfx::ConvertToJavaBitmap(&bitmap).obj());
 709 }
 710
 711 void AwContents::OnReceivedTouchIconUrl(const std::string& url,
 712                                         bool precomposed) {
 713   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 714   JNIEnv* env = AttachCurrentThread();
 715   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 716   if (obj.is_null())
 717     return;
 718
 719   Java_AwContents_onReceivedTouchIconUrl(
 720       env, obj.obj(), ConvertUTF8ToJavaString(env, url).obj(), precomposed);
 721 }
 722
 723 bool AwContents::RequestDrawGL(jobject canvas, bool wait_for_completion) {
 724   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 725   DCHECK(!canvas || !wait_for_completion);
 726   JNIEnv* env = AttachCurrentThread();
 727   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 728   if (obj.is_null())
 729     return false;
 730   return Java_AwContents_requestDrawGL(
 731       env, obj.obj(), canvas, wait_for_completion);
 732 }
 733
 734 void AwContents::PostInvalidate() {
 735   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 736   JNIEnv* env = AttachCurrentThread();
 737   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 738   if (!obj.is_null())
 739     Java_AwContents_postInvalidateOnAnimation(env, obj.obj());
 740 }
 741
 742 void AwContents::OnNewPicture() {
 743   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 744   JNIEnv* env = AttachCurrentThread();
 745   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 746   if (!obj.is_null()) {
 747     devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 748         "onNewPicture");
 749     Java_AwContents_onNewPicture(env, obj.obj());
 750   }
 751 }
 752
 753 base::android::ScopedJavaLocalRef<jbyteArray>
 754     AwContents::GetCertificate(JNIEnv* env,
 755                                jobject obj) {
 756   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 757   content::NavigationEntry* entry =
 758       web_contents_->GetController().GetActiveEntry();
 759   if (!entry)
 760     return ScopedJavaLocalRef<jbyteArray>();
 761   // Get the certificate
 762   int cert_id = entry->GetSSL().cert_id;
 763   scoped_refptr<net::X509Certificate> cert;
 764   bool ok = content::CertStore::GetInstance()->RetrieveCert(cert_id, &cert);
 765   if (!ok)
 766     return ScopedJavaLocalRef<jbyteArray>();
 767
 768   // Convert the certificate and return it
 769   std::string der_string;
 770   net::X509Certificate::GetDEREncoded(cert->os_cert_handle(), &der_string);
 771   return base::android::ToJavaByteArray(env,
 772       reinterpret_cast<const uint8*>(der_string.data()), der_string.length());
 773 }
 774
 775 void AwContents::RequestNewHitTestDataAt(JNIEnv* env, jobject obj,
 776                                          jint x, jint y) {
 777   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 778   render_view_host_ext_->RequestNewHitTestDataAt(x, y);
 779 }
 780
 781 void AwContents::UpdateLastHitTestData(JNIEnv* env, jobject obj) {
 782   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 783   if (!render_view_host_ext_->HasNewHitTestData()) return;
 784
 785   const AwHitTestData& data = render_view_host_ext_->GetLastHitTestData();
 786   render_view_host_ext_->MarkHitTestDataRead();
 787
 788   // Make sure to null the Java object if data is empty/invalid.
 789   ScopedJavaLocalRef<jstring> extra_data_for_type;
 790   if (data.extra_data_for_type.length())
 791     extra_data_for_type = ConvertUTF8ToJavaString(
 792         env, data.extra_data_for_type);
 793
 794   ScopedJavaLocalRef<jstring> href;
 795   if (data.href.length())
 796     href = ConvertUTF16ToJavaString(env, data.href);
 797
 798   ScopedJavaLocalRef<jstring> anchor_text;
 799   if (data.anchor_text.length())
 800     anchor_text = ConvertUTF16ToJavaString(env, data.anchor_text);
 801
 802   ScopedJavaLocalRef<jstring> img_src;
 803   if (data.img_src.is_valid())
 804     img_src = ConvertUTF8ToJavaString(env, data.img_src.spec());
 805
 806   Java_AwContents_updateHitTestData(env,
 807                                     obj,
 808                                     data.type,
 809                                     extra_data_for_type.obj(),
 810                                     href.obj(),
 811                                     anchor_text.obj(),
 812                                     img_src.obj());
 813 }
 814
 815 void AwContents::OnSizeChanged(JNIEnv* env, jobject obj,
 816                                int w, int h, int ow, int oh) {
 817   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 818   browser_view_renderer_.OnSizeChanged(w, h);
 819 }
 820
 821 void AwContents::SetViewVisibility(JNIEnv* env, jobject obj, bool visible) {
 822   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 823   browser_view_renderer_.SetViewVisibility(visible);
 824 }
 825
 826 void AwContents::SetWindowVisibility(JNIEnv* env, jobject obj, bool visible) {
 827   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 828   browser_view_renderer_.SetWindowVisibility(visible);
 829 }
 830
 831 void AwContents::SetIsPaused(JNIEnv* env, jobject obj, bool paused) {
 832   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 833   browser_view_renderer_.SetIsPaused(paused);
 834   ContentViewCore* cvc =
 835       ContentViewCore::FromWebContents(web_contents_.get());
 836   if (cvc) {
 837     cvc->PauseOrResumeGeolocation(paused);
 838     if (paused) {
 839       cvc->PauseVideo();
 840     }
 841   }
 842 }
 843
 844 void AwContents::OnAttachedToWindow(JNIEnv* env, jobject obj, int w, int h) {
 845   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 846   shared_renderer_state_.SetHardwareAllowed(true);
 847   browser_view_renderer_.OnAttachedToWindow(w, h);
 848 }
 849
 850 void AwContents::InitializeHardwareDrawIfNeeded() {
 851   GLViewRendererManager* manager = GLViewRendererManager::GetInstance();
 852
 853   base::AutoLock lock(render_thread_lock_);
 854   if (renderer_manager_key_ == manager->NullKey()) {
 855     renderer_manager_key_ = manager->PushBack(&shared_renderer_state_);
 856     DeferredGpuCommandService::SetInstance();
 857   }
 858 }
 859
 860 void AwContents::OnDetachedFromWindow(JNIEnv* env, jobject obj) {
 861   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 862   shared_renderer_state_.SetHardwareAllowed(false);
 863
 864   bool hardware_initialized = browser_view_renderer_.hardware_enabled();
 865   if (hardware_initialized) {
 866     bool draw_functor_succeeded = RequestDrawGL(NULL, true);
 867     if (!draw_functor_succeeded) {
 868       LOG(ERROR) << "Unable to free GL resources. Has the Window leaked?";
 869       // Calling release on wrong thread intentionally.
 870       AwDrawGLInfo info;
 871       info.mode = AwDrawGLInfo::kModeProcess;
 872       DrawGL(&info);
 873     }
 874   }
 875
 876   DCHECK(!hardware_renderer_);
 877   browser_view_renderer_.OnDetachedFromWindow();
 878
 879   GLViewRendererManager* manager = GLViewRendererManager::GetInstance();
 880
 881   {
 882     base::AutoLock lock(render_thread_lock_);
 883     if (renderer_manager_key_ != manager->NullKey()) {
 884       manager->Remove(renderer_manager_key_);
 885       renderer_manager_key_ = manager->NullKey();
 886     }
 887   }
 888
 889   if (hardware_initialized) {
 890     // Flush any invoke functors that's caused by OnDetachedFromWindow.
 891     RequestDrawGL(NULL, true);
 892   }
 893 }
 894
 895 base::android::ScopedJavaLocalRef<jbyteArray>
 896 AwContents::GetOpaqueState(JNIEnv* env, jobject obj) {
 897   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 898   // Required optimization in WebViewClassic to not save any state if
 899   // there has been no navigations.
 900   if (!web_contents_->GetController().GetEntryCount())
 901     return ScopedJavaLocalRef<jbyteArray>();
 902
 903   Pickle pickle;
 904   if (!WriteToPickle(*web_contents_, &pickle)) {
 905     return ScopedJavaLocalRef<jbyteArray>();
 906   } else {
 907     return base::android::ToJavaByteArray(env,
 908        reinterpret_cast<const uint8*>(pickle.data()), pickle.size());
 909   }
 910 }
 911
 912 jboolean AwContents::RestoreFromOpaqueState(
 913     JNIEnv* env, jobject obj, jbyteArray state) {
 914   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 915   // TODO(boliu): This copy can be optimized out if this is a performance
 916   // problem.
 917   std::vector<uint8> state_vector;
 918   base::android::JavaByteArrayToByteVector(env, state, &state_vector);
 919
 920   Pickle pickle(reinterpret_cast<const char*>(state_vector.begin()),
 921                 state_vector.size());
 922   PickleIterator iterator(pickle);
 923
 924   return RestoreFromPickle(&iterator, web_contents_.get());
 925 }
 926
 927 bool AwContents::OnDraw(JNIEnv* env,
 928                         jobject obj,
 929                         jobject canvas,
 930                         jboolean is_hardware_accelerated,
 931                         jint scroll_x,
 932                         jint scroll_y,
 933                         jint visible_left,
 934                         jint visible_top,
 935                         jint visible_right,
 936                         jint visible_bottom,
 937                         jint clip_left,
 938                         jint clip_top,
 939                         jint clip_right,
 940                         jint clip_bottom) {
 941   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 942   if (is_hardware_accelerated)
 943     InitializeHardwareDrawIfNeeded();
 944   return browser_view_renderer_.OnDraw(
 945       canvas,
 946       is_hardware_accelerated,
 947       gfx::Vector2d(scroll_x, scroll_y),
 948       gfx::Rect(visible_left,
 949                 visible_top,
 950                 visible_right - visible_left,
 951                 visible_bottom - visible_top),
 952       gfx::Rect(
 953           clip_left, clip_top, clip_right - clip_left, clip_bottom - clip_top));
 954 }
 955
 956 void AwContents::SetPendingWebContentsForPopup(
 957     scoped_ptr<content::WebContents> pending) {
 958   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 959   if (pending_contents_.get()) {
 960     // TODO(benm): Support holding multiple pop up window requests.
 961     LOG(WARNING) << "Blocking popup window creation as an outstanding "
 962                  << "popup window is still pending.";
 963     base::MessageLoop::current()->DeleteSoon(FROM_HERE, pending.release());
 964     return;
 965   }
 966   pending_contents_.reset(new AwContents(pending.Pass()));
 967 }
 968
 969 void AwContents::FocusFirstNode(JNIEnv* env, jobject obj) {
 970   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 971   web_contents_->FocusThroughTabTraversal(false);
 972 }
 973
 974 void AwContents::SetBackgroundColor(JNIEnv* env, jobject obj, jint color) {
 975   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 976   render_view_host_ext_->SetBackgroundColor(color);
 977 }
 978
 979 jlong AwContents::ReleasePopupAwContents(JNIEnv* env, jobject obj) {
 980   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 981   return reinterpret_cast<intptr_t>(pending_contents_.release());
 982 }
 983
 984 gfx::Point AwContents::GetLocationOnScreen() {
 985   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 986   JNIEnv* env = AttachCurrentThread();
 987   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 988   if (obj.is_null())
 989     return gfx::Point();
 990   std::vector<int> location;
 991   base::android::JavaIntArrayToIntVector(
 992       env,
 993       Java_AwContents_getLocationOnScreen(env, obj.obj()).obj(),
 994       &location);
 995   return gfx::Point(location[0], location[1]);
 996 }
 997
 998 void AwContents::ScrollContainerViewTo(gfx::Vector2d new_value) {
 999   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1000   JNIEnv* env = AttachCurrentThread();
1001   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
1002   if (obj.is_null())
1003     return;
1004   Java_AwContents_scrollContainerViewTo(
1005       env, obj.obj(), new_value.x(), new_value.y());
1006 }
1007
1008 bool AwContents::IsFlingActive() const {
1009   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1010   JNIEnv* env = AttachCurrentThread();
1011   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
1012   if (obj.is_null())
1013     return false;
1014   return Java_AwContents_isFlingActive(env, obj.obj());
1015 }
1016
1017 void AwContents::UpdateScrollState(gfx::Vector2d max_scroll_offset,
1018                                    gfx::SizeF contents_size_dip,
1019                                    float page_scale_factor,
1020                                    float min_page_scale_factor,
1021                                    float max_page_scale_factor) {
1022   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1023   JNIEnv* env = AttachCurrentThread();
1024   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
1025   if (obj.is_null())
1026     return;
1027   Java_AwContents_updateScrollState(env,
1028                                     obj.obj(),
1029                                     max_scroll_offset.x(),
1030                                     max_scroll_offset.y(),
1031                                     contents_size_dip.width(),
1032                                     contents_size_dip.height(),
1033                                     page_scale_factor,
1034                                     min_page_scale_factor,
1035                                     max_page_scale_factor);
1036 }
1037
1038 void AwContents::DidOverscroll(gfx::Vector2d overscroll_delta) {
1039   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1040   JNIEnv* env = AttachCurrentThread();
1041   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
1042   if (obj.is_null())
1043     return;
1044   Java_AwContents_didOverscroll(
1045       env, obj.obj(), overscroll_delta.x(), overscroll_delta.y());
1046 }
1047
1048 const BrowserViewRenderer* AwContents::GetBrowserViewRenderer() const {
1049   return &browser_view_renderer_;
1050 }
1051
1052 void AwContents::SetDipScale(JNIEnv* env, jobject obj, jfloat dip_scale) {
1053   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1054   browser_view_renderer_.SetDipScale(dip_scale);
1055 }
1056
1057 void AwContents::SetFixedLayoutSize(JNIEnv* env,
1058                                     jobject obj,
1059                                     jint width_dip,
1060                                     jint height_dip) {
1061   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1062   render_view_host_ext_->SetFixedLayoutSize(gfx::Size(width_dip, height_dip));
1063 }
1064
1065 void AwContents::ScrollTo(JNIEnv* env, jobject obj, jint x, jint y) {
1066   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1067   browser_view_renderer_.ScrollTo(gfx::Vector2d(x, y));
1068 }
1069
1070 void AwContents::OnWebLayoutPageScaleFactorChanged(float page_scale_factor) {
1071   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1072   JNIEnv* env = AttachCurrentThread();
1073   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
1074   if (obj.is_null())
1075     return;
1076   Java_AwContents_onWebLayoutPageScaleFactorChanged(env, obj.obj(),
1077                                                          page_scale_factor);
1078 }
1079
1080 void AwContents::OnWebLayoutContentsSizeChanged(
1081     const gfx::Size& contents_size) {
1082   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1083   JNIEnv* env = AttachCurrentThread();
1084   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
1085   if (obj.is_null())
1086     return;
1087   Java_AwContents_onWebLayoutContentsSizeChanged(
1088       env, obj.obj(), contents_size.width(), contents_size.height());
1089 }
1090
1091 jlong AwContents::CapturePicture(JNIEnv* env,
1092                                  jobject obj,
1093                                  int width,
1094                                  int height) {
1095   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1096   return reinterpret_cast<intptr_t>(
1097       new AwPicture(browser_view_renderer_.CapturePicture(width, height)));
1098 }
1099
1100 void AwContents::EnableOnNewPicture(JNIEnv* env,
1101                                     jobject obj,
1102                                     jboolean enabled) {
1103   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1104   browser_view_renderer_.EnableOnNewPicture(enabled);
1105 }
1106
1107 void AwContents::ClearView(JNIEnv* env, jobject obj) {
1108   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1109   browser_view_renderer_.ClearView();
1110 }
1111
1112 void AwContents::SetExtraHeadersForUrl(JNIEnv* env, jobject obj,
1113                                        jstring url, jstring jextra_headers) {
1114   std::string extra_headers;
1115   if (jextra_headers)
1116     extra_headers = ConvertJavaStringToUTF8(env, jextra_headers);
1117   AwResourceContext* resource_context = static_cast<AwResourceContext*>(
1118       AwBrowserContext::FromWebContents(web_contents_.get())->
1119       GetResourceContext());
1120   resource_context->SetExtraHeaders(GURL(ConvertJavaStringToUTF8(env, url)),
1121                                     extra_headers);
1122 }
1123
1124 void AwContents::SendCheckRenderThreadResponsiveness(JNIEnv* env, jobject obj) {
1125   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1126   render_view_host_ext_->SendCheckRenderThreadResponsiveness();
1127 }
1128
1129 void AwContents::SetJsOnlineProperty(JNIEnv* env,
1130                                      jobject obj,
1131                                      jboolean network_up) {
1132   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1133   render_view_host_ext_->SetJsOnlineProperty(network_up);
1134 }
1135
1136 void AwContents::TrimMemory(JNIEnv* env,
1137                             jobject obj,
1138                             jint level,
1139                             jboolean visible) {
1140   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1141   browser_view_renderer_.TrimMemory(level, visible);
1142 }
1143
1144 void SetShouldDownloadFavicons(JNIEnv* env, jclass jclazz) {
1145   g_should_download_favicons = true;
1146 }
1147
1148 }  // namespace android_webview