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_message_port_service_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/locale_utils.h"
  38 #include "base/android/scoped_java_ref.h"
  39 #include "base/atomicops.h"
  40 #include "base/bind.h"
  41 #include "base/callback.h"
  42 #include "base/memory/memory_pressure_listener.h"
  43 #include "base/message_loop/message_loop.h"
  44 #include "base/pickle.h"
  45 #include "base/strings/string16.h"
  46 #include "base/supports_user_data.h"
  47 #include "components/autofill/content/browser/content_autofill_driver_factory.h"
  48 #include "components/autofill/core/browser/autofill_manager.h"
  49 #include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
  50 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
  51 #include "components/navigation_interception/intercept_navigation_delegate.h"
  52 #include "content/public/browser/android/content_view_core.h"
  53 #include "content/public/browser/android/synchronous_compositor.h"
  54 #include "content/public/browser/browser_thread.h"
  55 #include "content/public/browser/cert_store.h"
  56 #include "content/public/browser/favicon_status.h"
  57 #include "content/public/browser/message_port_provider.h"
  58 #include "content/public/browser/navigation_entry.h"
  59 #include "content/public/browser/render_frame_host.h"
  60 #include "content/public/browser/render_process_host.h"
  61 #include "content/public/browser/render_view_host.h"
  62 #include "content/public/browser/web_contents.h"
  63 #include "content/public/common/renderer_preferences.h"
  64 #include "content/public/common/ssl_status.h"
  65 #include "jni/AwContents_jni.h"
  66 #include "net/base/auth.h"
  67 #include "net/cert/x509_certificate.h"
  68 #include "third_party/skia/include/core/SkPicture.h"
  69 #include "ui/gfx/android/java_bitmap.h"
  70 #include "ui/gfx/geometry/rect_f.h"
  71 #include "ui/gfx/geometry/size.h"
  72 #include "ui/gfx/image/image.h"
  73
  74 struct AwDrawSWFunctionTable;
  75
  76 using autofill::ContentAutofillDriverFactory;
  77 using autofill::AutofillManager;
  78 using base::android::AttachCurrentThread;
  79 using base::android::ConvertJavaStringToUTF16;
  80 using base::android::ConvertJavaStringToUTF8;
  81 using base::android::ConvertUTF16ToJavaString;
  82 using base::android::ConvertUTF8ToJavaString;
  83 using base::android::JavaRef;
  84 using base::android::ScopedJavaGlobalRef;
  85 using base::android::ScopedJavaLocalRef;
  86 using data_reduction_proxy::DataReductionProxySettings;
  87 using navigation_interception::InterceptNavigationDelegate;
  88 using content::BrowserThread;
  89 using content::ContentViewCore;
  90 using content::WebContents;
  91
  92 extern "C" {
  93 static AwDrawGLFunction DrawGLFunction;
  94 static void DrawGLFunction(long view_context,
  95                            AwDrawGLInfo* draw_info,
  96                            void* spare) {
  97   // |view_context| is the value that was returned from the java
  98   // AwContents.onPrepareDrawGL; this cast must match the code there.
  99   reinterpret_cast<android_webview::SharedRendererState*>(view_context)
 100       ->DrawGL(draw_info);
 101 }
 102 }
 103
 104 namespace android_webview {
 105
 106 namespace {
 107
 108 bool g_should_download_favicons = false;
 109
 110 const void* kAwContentsUserDataKey = &kAwContentsUserDataKey;
 111
 112 class AwContentsUserData : public base::SupportsUserData::Data {
 113  public:
 114   AwContentsUserData(AwContents* ptr) : contents_(ptr) {}
 115
 116   static AwContents* GetContents(WebContents* web_contents) {
 117     if (!web_contents)
 118       return NULL;
 119     AwContentsUserData* data = static_cast<AwContentsUserData*>(
 120         web_contents->GetUserData(kAwContentsUserDataKey));
 121     return data ? data->contents_ : NULL;
 122   }
 123
 124  private:
 125   AwContents* contents_;
 126 };
 127
 128 base::subtle::Atomic32 g_instance_count = 0;
 129
 130 void OnIoThreadClientReady(content::RenderFrameHost* rfh) {
 131   int render_process_id = rfh->GetProcess()->GetID();
 132   int render_frame_id = rfh->GetRoutingID();
 133   AwResourceDispatcherHostDelegate::OnIoThreadClientReady(
 134       render_process_id, render_frame_id);
 135 }
 136
 137 }  // namespace
 138
 139 // static
 140 AwContents* AwContents::FromWebContents(WebContents* web_contents) {
 141   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 142   return AwContentsUserData::GetContents(web_contents);
 143 }
 144
 145 // static
 146 AwContents* AwContents::FromID(int render_process_id, int render_view_id) {
 147   const content::RenderViewHost* rvh =
 148       content::RenderViewHost::FromID(render_process_id, render_view_id);
 149   if (!rvh) return NULL;
 150   content::WebContents* web_contents =
 151       content::WebContents::FromRenderViewHost(rvh);
 152   if (!web_contents) return NULL;
 153   return FromWebContents(web_contents);
 154 }
 155
 156 // static
 157 AwBrowserPermissionRequestDelegate* AwBrowserPermissionRequestDelegate::FromID(
 158     int render_process_id, int render_view_id) {
 159   AwContents* aw_contents = AwContents::FromID(render_process_id,
 160                                                render_view_id);
 161   return implicit_cast<AwBrowserPermissionRequestDelegate*>(aw_contents);
 162 }
 163
 164 AwContents::AwContents(scoped_ptr<WebContents> web_contents)
 165     : web_contents_(web_contents.Pass()),
 166       browser_view_renderer_(
 167           this,
 168           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI)),
 169       renderer_manager_key_(GLViewRendererManager::GetInstance()->NullKey()) {
 170   base::subtle::NoBarrier_AtomicIncrement(&g_instance_count, 1);
 171   icon_helper_.reset(new IconHelper(web_contents_.get()));
 172   icon_helper_->SetListener(this);
 173   web_contents_->SetUserData(kAwContentsUserDataKey,
 174                              new AwContentsUserData(this));
 175   render_view_host_ext_.reset(
 176       new AwRenderViewHostExt(this, web_contents_.get()));
 177
 178   permission_request_handler_.reset(
 179       new PermissionRequestHandler(this, web_contents_.get()));
 180
 181   AwAutofillClient* autofill_manager_delegate =
 182       AwAutofillClient::FromWebContents(web_contents_.get());
 183   InitDataReductionProxyIfNecessary();
 184   if (autofill_manager_delegate)
 185     InitAutofillIfNecessary(autofill_manager_delegate->GetSaveFormData());
 186   content::SynchronousCompositor::SetClientForWebContents(
 187       web_contents_.get(), &browser_view_renderer_);
 188 }
 189
 190 void AwContents::SetJavaPeers(JNIEnv* env,
 191                               jobject obj,
 192                               jobject aw_contents,
 193                               jobject web_contents_delegate,
 194                               jobject contents_client_bridge,
 195                               jobject io_thread_client,
 196                               jobject intercept_navigation_delegate) {
 197   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 198   // The |aw_content| param is technically spurious as it duplicates |obj| but
 199   // is passed over anyway to make the binding more explicit.
 200   java_ref_ = JavaObjectWeakGlobalRef(env, aw_contents);
 201
 202   web_contents_delegate_.reset(
 203       new AwWebContentsDelegate(env, web_contents_delegate));
 204   web_contents_->SetDelegate(web_contents_delegate_.get());
 205
 206   contents_client_bridge_.reset(
 207       new AwContentsClientBridge(env, contents_client_bridge));
 208   AwContentsClientBridgeBase::Associate(web_contents_.get(),
 209                                         contents_client_bridge_.get());
 210
 211   AwContentsIoThreadClientImpl::Associate(
 212       web_contents_.get(), ScopedJavaLocalRef<jobject>(env, io_thread_client));
 213
 214   InterceptNavigationDelegate::Associate(
 215       web_contents_.get(),
 216       make_scoped_ptr(new InterceptNavigationDelegate(
 217           env, intercept_navigation_delegate)));
 218
 219   // Finally, having setup the associations, release any deferred requests
 220   web_contents_->ForEachFrame(base::Bind(&OnIoThreadClientReady));
 221 }
 222
 223 void AwContents::SetSaveFormData(bool enabled) {
 224   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 225   InitAutofillIfNecessary(enabled);
 226   // We need to check for the existence, since autofill_manager_delegate
 227   // may not be created when the setting is false.
 228   if (AwAutofillClient::FromWebContents(web_contents_.get())) {
 229     AwAutofillClient::FromWebContents(web_contents_.get())->
 230         SetSaveFormData(enabled);
 231   }
 232 }
 233
 234 void AwContents::InitDataReductionProxyIfNecessary() {
 235   AwBrowserContext* browser_context =
 236       AwBrowserContext::FromWebContents(web_contents_.get());
 237   browser_context->CreateUserPrefServiceIfNecessary();
 238 }
 239
 240 void AwContents::InitAutofillIfNecessary(bool enabled) {
 241   // Do not initialize if the feature is not enabled.
 242   if (!enabled)
 243     return;
 244   // Check if the autofill driver factory already exists.
 245   content::WebContents* web_contents = web_contents_.get();
 246   if (ContentAutofillDriverFactory::FromWebContents(web_contents))
 247     return;
 248
 249   AwBrowserContext::FromWebContents(web_contents)->
 250       CreateUserPrefServiceIfNecessary();
 251   AwAutofillClient::CreateForWebContents(web_contents);
 252   ContentAutofillDriverFactory::CreateForWebContentsAndDelegate(
 253       web_contents, AwAutofillClient::FromWebContents(web_contents),
 254       base::android::GetDefaultLocale(),
 255       AutofillManager::DISABLE_AUTOFILL_DOWNLOAD_MANAGER);
 256 }
 257
 258 void AwContents::SetAwAutofillClient(jobject client) {
 259   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 260   JNIEnv* env = AttachCurrentThread();
 261   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 262   if (obj.is_null())
 263     return;
 264   Java_AwContents_setAwAutofillClient(env, obj.obj(), client);
 265 }
 266
 267 AwContents::~AwContents() {
 268   DCHECK_EQ(this, AwContents::FromWebContents(web_contents_.get()));
 269   content::SynchronousCompositor::SetClientForWebContents(web_contents_.get(),
 270                                                           NULL);
 271   web_contents_->RemoveUserData(kAwContentsUserDataKey);
 272   if (find_helper_.get())
 273     find_helper_->SetListener(NULL);
 274   if (icon_helper_.get())
 275     icon_helper_->SetListener(NULL);
 276   base::subtle::NoBarrier_AtomicIncrement(&g_instance_count, -1);
 277   // When the last WebView is destroyed free all discardable memory allocated by
 278   // Chromium, because the app process may continue to run for a long time
 279   // without ever using another WebView.
 280   if (base::subtle::NoBarrier_Load(&g_instance_count) == 0) {
 281     base::MemoryPressureListener::NotifyMemoryPressure(
 282         base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL);
 283   }
 284 }
 285
 286 base::android::ScopedJavaLocalRef<jobject>
 287 AwContents::GetWebContents(JNIEnv* env, jobject obj) {
 288   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 289   DCHECK(web_contents_);
 290   if (!web_contents_)
 291     return base::android::ScopedJavaLocalRef<jobject>();
 292
 293   return web_contents_->GetJavaWebContents();
 294 }
 295
 296 void AwContents::Destroy(JNIEnv* env, jobject obj) {
 297   java_ref_.reset();
 298   delete this;
 299 }
 300
 301 static jlong Init(JNIEnv* env, jclass, jobject browser_context) {
 302   // TODO(joth): Use |browser_context| to get the native BrowserContext, rather
 303   // than hard-code the default instance lookup here.
 304   scoped_ptr<WebContents> web_contents(content::WebContents::Create(
 305       content::WebContents::CreateParams(AwBrowserContext::GetDefault())));
 306   // Return an 'uninitialized' instance; most work is deferred until the
 307   // subsequent SetJavaPeers() call.
 308   return reinterpret_cast<intptr_t>(new AwContents(web_contents.Pass()));
 309 }
 310
 311 static void SetAwDrawSWFunctionTable(JNIEnv* env, jclass,
 312                                      jlong function_table) {
 313   RasterHelperSetAwDrawSWFunctionTable(
 314       reinterpret_cast<AwDrawSWFunctionTable*>(function_table));
 315 }
 316
 317 static void SetAwDrawGLFunctionTable(JNIEnv* env, jclass,
 318                                      jlong function_table) {
 319 }
 320
 321 static jlong GetAwDrawGLFunction(JNIEnv* env, jclass) {
 322   return reinterpret_cast<intptr_t>(&DrawGLFunction);
 323 }
 324
 325 // static
 326 jint GetNativeInstanceCount(JNIEnv* env, jclass) {
 327   return base::subtle::NoBarrier_Load(&g_instance_count);
 328 }
 329
 330 jlong AwContents::GetAwDrawGLViewContext(JNIEnv* env, jobject obj) {
 331   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 332   return reinterpret_cast<intptr_t>(
 333       browser_view_renderer_.GetAwDrawGLViewContext());
 334 }
 335
 336 namespace {
 337 void DocumentHasImagesCallback(const ScopedJavaGlobalRef<jobject>& message,
 338                                bool has_images) {
 339   Java_AwContents_onDocumentHasImagesResponse(AttachCurrentThread(),
 340                                               has_images,
 341                                               message.obj());
 342 }
 343 }  // namespace
 344
 345 void AwContents::DocumentHasImages(JNIEnv* env, jobject obj, jobject message) {
 346   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 347   ScopedJavaGlobalRef<jobject> j_message;
 348   j_message.Reset(env, message);
 349   render_view_host_ext_->DocumentHasImages(
 350       base::Bind(&DocumentHasImagesCallback, j_message));
 351 }
 352
 353 namespace {
 354 void GenerateMHTMLCallback(ScopedJavaGlobalRef<jobject>* callback,
 355                            const base::FilePath& path, int64 size) {
 356   JNIEnv* env = AttachCurrentThread();
 357   // Android files are UTF8, so the path conversion below is safe.
 358   Java_AwContents_generateMHTMLCallback(
 359       env,
 360       ConvertUTF8ToJavaString(env, path.AsUTF8Unsafe()).obj(),
 361       size, callback->obj());
 362 }
 363 }  // namespace
 364
 365 void AwContents::GenerateMHTML(JNIEnv* env, jobject obj,
 366                                jstring jpath, jobject callback) {
 367   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 368   ScopedJavaGlobalRef<jobject>* j_callback = new ScopedJavaGlobalRef<jobject>();
 369   j_callback->Reset(env, callback);
 370   base::FilePath target_path(ConvertJavaStringToUTF8(env, jpath));
 371   web_contents_->GenerateMHTML(
 372       target_path,
 373       base::Bind(&GenerateMHTMLCallback, base::Owned(j_callback), target_path));
 374 }
 375
 376 void AwContents::CreatePdfExporter(JNIEnv* env,
 377                                    jobject obj,
 378                                    jobject pdfExporter) {
 379   pdf_exporter_.reset(
 380       new AwPdfExporter(env,
 381                         pdfExporter,
 382                         web_contents_.get()));
 383 }
 384
 385 bool AwContents::OnReceivedHttpAuthRequest(const JavaRef<jobject>& handler,
 386                                            const std::string& host,
 387                                            const std::string& realm) {
 388   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 389   JNIEnv* env = AttachCurrentThread();
 390   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 391   if (obj.is_null())
 392     return false;
 393
 394   ScopedJavaLocalRef<jstring> jhost = ConvertUTF8ToJavaString(env, host);
 395   ScopedJavaLocalRef<jstring> jrealm = ConvertUTF8ToJavaString(env, realm);
 396   devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 397       "onReceivedHttpAuthRequest");
 398   Java_AwContents_onReceivedHttpAuthRequest(env, obj.obj(), handler.obj(),
 399       jhost.obj(), jrealm.obj());
 400   return true;
 401 }
 402
 403 void AwContents::AddVisitedLinks(JNIEnv* env,
 404                                    jobject obj,
 405                                    jobjectArray jvisited_links) {
 406   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 407   std::vector<base::string16> visited_link_strings;
 408   base::android::AppendJavaStringArrayToStringVector(
 409       env, jvisited_links, &visited_link_strings);
 410
 411   std::vector<GURL> visited_link_gurls;
 412   std::vector<base::string16>::const_iterator itr;
 413   for (itr = visited_link_strings.begin(); itr != visited_link_strings.end();
 414        ++itr) {
 415     visited_link_gurls.push_back(GURL(*itr));
 416   }
 417
 418   AwBrowserContext::FromWebContents(web_contents_.get())
 419       ->AddVisitedURLs(visited_link_gurls);
 420 }
 421
 422 bool RegisterAwContents(JNIEnv* env) {
 423   return RegisterNativesImpl(env);
 424 }
 425
 426 namespace {
 427
 428 void ShowGeolocationPromptHelperTask(const JavaObjectWeakGlobalRef& java_ref,
 429                                      const GURL& origin) {
 430   JNIEnv* env = AttachCurrentThread();
 431   ScopedJavaLocalRef<jobject> j_ref = java_ref.get(env);
 432   if (j_ref.obj()) {
 433     ScopedJavaLocalRef<jstring> j_origin(
 434         ConvertUTF8ToJavaString(env, origin.spec()));
 435     devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 436         "onGeolocationPermissionsShowPrompt");
 437     Java_AwContents_onGeolocationPermissionsShowPrompt(env,
 438                                                        j_ref.obj(),
 439                                                        j_origin.obj());
 440   }
 441 }
 442
 443 void ShowGeolocationPromptHelper(const JavaObjectWeakGlobalRef& java_ref,
 444                                  const GURL& origin) {
 445   JNIEnv* env = AttachCurrentThread();
 446   if (java_ref.get(env).obj()) {
 447     content::BrowserThread::PostTask(
 448         content::BrowserThread::UI,
 449         FROM_HERE,
 450         base::Bind(&ShowGeolocationPromptHelperTask,
 451                    java_ref,
 452                    origin));
 453   }
 454 }
 455
 456 } // anonymous namespace
 457
 458 void AwContents::ShowGeolocationPrompt(const GURL& requesting_frame,
 459                                        base::Callback<void(bool)> callback) {
 460   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 461
 462   GURL origin = requesting_frame.GetOrigin();
 463   bool show_prompt = pending_geolocation_prompts_.empty();
 464   pending_geolocation_prompts_.push_back(OriginCallback(origin, callback));
 465   if (show_prompt) {
 466     ShowGeolocationPromptHelper(java_ref_, origin);
 467   }
 468 }
 469
 470 // Invoked from Java
 471 void AwContents::InvokeGeolocationCallback(JNIEnv* env,
 472                                            jobject obj,
 473                                            jboolean value,
 474                                            jstring origin) {
 475   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 476
 477   GURL callback_origin(base::android::ConvertJavaStringToUTF16(env, origin));
 478   if (callback_origin.GetOrigin() ==
 479       pending_geolocation_prompts_.front().first) {
 480     pending_geolocation_prompts_.front().second.Run(value);
 481     pending_geolocation_prompts_.pop_front();
 482     if (!pending_geolocation_prompts_.empty()) {
 483       ShowGeolocationPromptHelper(java_ref_,
 484                                   pending_geolocation_prompts_.front().first);
 485     }
 486   }
 487 }
 488
 489 void AwContents::HideGeolocationPrompt(const GURL& origin) {
 490   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 491   bool removed_current_outstanding_callback = false;
 492   std::list<OriginCallback>::iterator it = pending_geolocation_prompts_.begin();
 493   while (it != pending_geolocation_prompts_.end()) {
 494     if ((*it).first == origin.GetOrigin()) {
 495       if (it == pending_geolocation_prompts_.begin()) {
 496         removed_current_outstanding_callback = true;
 497       }
 498       it = pending_geolocation_prompts_.erase(it);
 499     } else {
 500       ++it;
 501     }
 502   }
 503
 504   if (removed_current_outstanding_callback) {
 505     JNIEnv* env = AttachCurrentThread();
 506     ScopedJavaLocalRef<jobject> j_ref = java_ref_.get(env);
 507     if (j_ref.obj()) {
 508       devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 509           "onGeolocationPermissionsHidePrompt");
 510       Java_AwContents_onGeolocationPermissionsHidePrompt(env, j_ref.obj());
 511     }
 512     if (!pending_geolocation_prompts_.empty()) {
 513       ShowGeolocationPromptHelper(java_ref_,
 514                             pending_geolocation_prompts_.front().first);
 515     }
 516   }
 517 }
 518
 519 void AwContents::OnPermissionRequest(AwPermissionRequest* request) {
 520   JNIEnv* env = AttachCurrentThread();
 521   ScopedJavaLocalRef<jobject> j_request = request->CreateJavaPeer();
 522   ScopedJavaLocalRef<jobject> j_ref = java_ref_.get(env);
 523   if (j_request.is_null() || j_ref.is_null()) {
 524     permission_request_handler_->CancelRequest(
 525         request->GetOrigin(), request->GetResources());
 526     return;
 527   }
 528
 529   Java_AwContents_onPermissionRequest(env, j_ref.obj(), j_request.obj());
 530 }
 531
 532 void AwContents::OnPermissionRequestCanceled(AwPermissionRequest* request) {
 533   JNIEnv* env = AttachCurrentThread();
 534   ScopedJavaLocalRef<jobject> j_request = request->GetJavaObject();
 535   ScopedJavaLocalRef<jobject> j_ref = java_ref_.get(env);
 536   if (j_request.is_null() || j_ref.is_null())
 537     return;
 538
 539   Java_AwContents_onPermissionRequestCanceled(
 540       env, j_ref.obj(), j_request.obj());
 541 }
 542
 543 void AwContents::PreauthorizePermission(
 544     JNIEnv* env,
 545     jobject obj,
 546     jstring origin,
 547     jlong resources) {
 548   permission_request_handler_->PreauthorizePermission(
 549       GURL(base::android::ConvertJavaStringToUTF8(env, origin)), resources);
 550 }
 551
 552 void AwContents::RequestProtectedMediaIdentifierPermission(
 553     const GURL& origin,
 554     const base::Callback<void(bool)>& callback) {
 555   permission_request_handler_->SendRequest(
 556       scoped_ptr<AwPermissionRequestDelegate>(new SimplePermissionRequest(
 557           origin, AwPermissionRequest::ProtectedMediaId, callback)));
 558 }
 559
 560 void AwContents::CancelProtectedMediaIdentifierPermissionRequests(
 561     const GURL& origin) {
 562   permission_request_handler_->CancelRequest(
 563       origin, AwPermissionRequest::ProtectedMediaId);
 564 }
 565
 566 void AwContents::RequestGeolocationPermission(
 567     const GURL& origin,
 568     const base::Callback<void(bool)>& callback) {
 569   JNIEnv* env = AttachCurrentThread();
 570   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 571   if (obj.is_null())
 572     return;
 573
 574   if (Java_AwContents_useLegacyGeolocationPermissionAPI(env, obj.obj())) {
 575     ShowGeolocationPrompt(origin, callback);
 576     return;
 577   }
 578   permission_request_handler_->SendRequest(
 579       scoped_ptr<AwPermissionRequestDelegate>(new SimplePermissionRequest(
 580           origin, AwPermissionRequest::Geolocation, callback)));
 581 }
 582
 583 void AwContents::CancelGeolocationPermissionRequests(const GURL& origin) {
 584   JNIEnv* env = AttachCurrentThread();
 585   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 586   if (obj.is_null())
 587     return;
 588
 589   if (Java_AwContents_useLegacyGeolocationPermissionAPI(env, obj.obj())) {
 590     HideGeolocationPrompt(origin);
 591     return;
 592   }
 593   permission_request_handler_->CancelRequest(
 594       origin, AwPermissionRequest::Geolocation);
 595 }
 596
 597 void AwContents::FindAllAsync(JNIEnv* env, jobject obj, jstring search_string) {
 598   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 599   GetFindHelper()->FindAllAsync(ConvertJavaStringToUTF16(env, search_string));
 600 }
 601
 602 void AwContents::FindNext(JNIEnv* env, jobject obj, jboolean forward) {
 603   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 604   GetFindHelper()->FindNext(forward);
 605 }
 606
 607 void AwContents::ClearMatches(JNIEnv* env, jobject obj) {
 608   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 609   GetFindHelper()->ClearMatches();
 610 }
 611
 612 void AwContents::ClearCache(
 613     JNIEnv* env,
 614     jobject obj,
 615     jboolean include_disk_files) {
 616   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 617   render_view_host_ext_->ClearCache();
 618
 619   if (include_disk_files) {
 620     RemoveHttpDiskCache(web_contents_->GetBrowserContext(),
 621                         web_contents_->GetRoutingID());
 622   }
 623 }
 624
 625 FindHelper* AwContents::GetFindHelper() {
 626   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 627   if (!find_helper_.get()) {
 628     find_helper_.reset(new FindHelper(web_contents_.get()));
 629     find_helper_->SetListener(this);
 630   }
 631   return find_helper_.get();
 632 }
 633
 634 void AwContents::OnFindResultReceived(int active_ordinal,
 635                                       int match_count,
 636                                       bool finished) {
 637   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 638   JNIEnv* env = AttachCurrentThread();
 639   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 640   if (obj.is_null())
 641     return;
 642
 643   Java_AwContents_onFindResultReceived(
 644       env, obj.obj(), active_ordinal, match_count, finished);
 645 }
 646
 647 bool AwContents::ShouldDownloadFavicon(const GURL& icon_url) {
 648   return g_should_download_favicons;
 649 }
 650
 651 void AwContents::OnReceivedIcon(const GURL& icon_url, const SkBitmap& bitmap) {
 652   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 653   JNIEnv* env = AttachCurrentThread();
 654   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 655   if (obj.is_null())
 656     return;
 657
 658   content::NavigationEntry* entry =
 659       web_contents_->GetController().GetActiveEntry();
 660
 661   if (entry) {
 662     entry->GetFavicon().valid = true;
 663     entry->GetFavicon().url = icon_url;
 664     entry->GetFavicon().image = gfx::Image::CreateFrom1xBitmap(bitmap);
 665   }
 666
 667   Java_AwContents_onReceivedIcon(
 668       env, obj.obj(), gfx::ConvertToJavaBitmap(&bitmap).obj());
 669 }
 670
 671 void AwContents::OnReceivedTouchIconUrl(const std::string& url,
 672                                         bool precomposed) {
 673   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 674   JNIEnv* env = AttachCurrentThread();
 675   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 676   if (obj.is_null())
 677     return;
 678
 679   Java_AwContents_onReceivedTouchIconUrl(
 680       env, obj.obj(), ConvertUTF8ToJavaString(env, url).obj(), precomposed);
 681 }
 682
 683 bool AwContents::RequestDrawGL(bool wait_for_completion) {
 684   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 685   JNIEnv* env = AttachCurrentThread();
 686   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 687   if (obj.is_null())
 688     return false;
 689   return Java_AwContents_requestDrawGL(env, obj.obj(), wait_for_completion);
 690 }
 691
 692 void AwContents::PostInvalidate() {
 693   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 694   JNIEnv* env = AttachCurrentThread();
 695   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 696   if (!obj.is_null())
 697     Java_AwContents_postInvalidateOnAnimation(env, obj.obj());
 698 }
 699
 700 void AwContents::OnNewPicture() {
 701   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 702   JNIEnv* env = AttachCurrentThread();
 703   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 704   if (!obj.is_null()) {
 705     devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 706         "onNewPicture");
 707     Java_AwContents_onNewPicture(env, obj.obj());
 708   }
 709 }
 710
 711 base::android::ScopedJavaLocalRef<jbyteArray>
 712     AwContents::GetCertificate(JNIEnv* env,
 713                                jobject obj) {
 714   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 715   content::NavigationEntry* entry =
 716       web_contents_->GetController().GetActiveEntry();
 717   if (!entry)
 718     return ScopedJavaLocalRef<jbyteArray>();
 719   // Get the certificate
 720   int cert_id = entry->GetSSL().cert_id;
 721   scoped_refptr<net::X509Certificate> cert;
 722   bool ok = content::CertStore::GetInstance()->RetrieveCert(cert_id, &cert);
 723   if (!ok)
 724     return ScopedJavaLocalRef<jbyteArray>();
 725
 726   // Convert the certificate and return it
 727   std::string der_string;
 728   net::X509Certificate::GetDEREncoded(cert->os_cert_handle(), &der_string);
 729   return base::android::ToJavaByteArray(env,
 730       reinterpret_cast<const uint8*>(der_string.data()), der_string.length());
 731 }
 732
 733 void AwContents::RequestNewHitTestDataAt(JNIEnv* env,
 734                                          jobject obj,
 735                                          jfloat x,
 736                                          jfloat y,
 737                                          jfloat touch_major) {
 738   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 739   gfx::PointF touch_center(x, y);
 740   gfx::SizeF touch_area(touch_major, touch_major);
 741   render_view_host_ext_->RequestNewHitTestDataAt(touch_center, touch_area);
 742 }
 743
 744 void AwContents::UpdateLastHitTestData(JNIEnv* env, jobject obj) {
 745   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 746   if (!render_view_host_ext_->HasNewHitTestData()) return;
 747
 748   const AwHitTestData& data = render_view_host_ext_->GetLastHitTestData();
 749   render_view_host_ext_->MarkHitTestDataRead();
 750
 751   // Make sure to null the Java object if data is empty/invalid.
 752   ScopedJavaLocalRef<jstring> extra_data_for_type;
 753   if (data.extra_data_for_type.length())
 754     extra_data_for_type = ConvertUTF8ToJavaString(
 755         env, data.extra_data_for_type);
 756
 757   ScopedJavaLocalRef<jstring> href;
 758   if (data.href.length())
 759     href = ConvertUTF16ToJavaString(env, data.href);
 760
 761   ScopedJavaLocalRef<jstring> anchor_text;
 762   if (data.anchor_text.length())
 763     anchor_text = ConvertUTF16ToJavaString(env, data.anchor_text);
 764
 765   ScopedJavaLocalRef<jstring> img_src;
 766   if (data.img_src.is_valid())
 767     img_src = ConvertUTF8ToJavaString(env, data.img_src.spec());
 768
 769   Java_AwContents_updateHitTestData(env,
 770                                     obj,
 771                                     data.type,
 772                                     extra_data_for_type.obj(),
 773                                     href.obj(),
 774                                     anchor_text.obj(),
 775                                     img_src.obj());
 776 }
 777
 778 void AwContents::OnSizeChanged(JNIEnv* env, jobject obj,
 779                                int w, int h, int ow, int oh) {
 780   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 781   browser_view_renderer_.OnSizeChanged(w, h);
 782 }
 783
 784 void AwContents::SetViewVisibility(JNIEnv* env, jobject obj, bool visible) {
 785   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 786   browser_view_renderer_.SetViewVisibility(visible);
 787 }
 788
 789 void AwContents::SetWindowVisibility(JNIEnv* env, jobject obj, bool visible) {
 790   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 791   browser_view_renderer_.SetWindowVisibility(visible);
 792 }
 793
 794 void AwContents::SetIsPaused(JNIEnv* env, jobject obj, bool paused) {
 795   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 796   browser_view_renderer_.SetIsPaused(paused);
 797   ContentViewCore* cvc =
 798       ContentViewCore::FromWebContents(web_contents_.get());
 799   if (cvc) {
 800     cvc->PauseOrResumeGeolocation(paused);
 801   }
 802 }
 803
 804 void AwContents::OnAttachedToWindow(JNIEnv* env, jobject obj, int w, int h) {
 805   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 806   browser_view_renderer_.OnAttachedToWindow(w, h);
 807 }
 808
 809 void AwContents::OnDetachedFromWindow(JNIEnv* env, jobject obj) {
 810   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 811   browser_view_renderer_.OnDetachedFromWindow();
 812 }
 813
 814 void AwContents::DetachFunctorFromView() {
 815   JNIEnv* env = AttachCurrentThread();
 816   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 817   if (!obj.is_null())
 818     Java_AwContents_detachFunctorFromView(env, obj.obj());
 819 }
 820
 821 base::android::ScopedJavaLocalRef<jbyteArray>
 822 AwContents::GetOpaqueState(JNIEnv* env, jobject obj) {
 823   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 824   // Required optimization in WebViewClassic to not save any state if
 825   // there has been no navigations.
 826   if (!web_contents_->GetController().GetEntryCount())
 827     return ScopedJavaLocalRef<jbyteArray>();
 828
 829   Pickle pickle;
 830   if (!WriteToPickle(*web_contents_, &pickle)) {
 831     return ScopedJavaLocalRef<jbyteArray>();
 832   } else {
 833     return base::android::ToJavaByteArray(env,
 834        reinterpret_cast<const uint8*>(pickle.data()), pickle.size());
 835   }
 836 }
 837
 838 jboolean AwContents::RestoreFromOpaqueState(
 839     JNIEnv* env, jobject obj, jbyteArray state) {
 840   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 841   // TODO(boliu): This copy can be optimized out if this is a performance
 842   // problem.
 843   std::vector<uint8> state_vector;
 844   base::android::JavaByteArrayToByteVector(env, state, &state_vector);
 845
 846   Pickle pickle(reinterpret_cast<const char*>(state_vector.begin()),
 847                 state_vector.size());
 848   PickleIterator iterator(pickle);
 849
 850   return RestoreFromPickle(&iterator, web_contents_.get());
 851 }
 852
 853 bool AwContents::OnDraw(JNIEnv* env,
 854                         jobject obj,
 855                         jobject canvas,
 856                         jboolean is_hardware_accelerated,
 857                         jint scroll_x,
 858                         jint scroll_y,
 859                         jint visible_left,
 860                         jint visible_top,
 861                         jint visible_right,
 862                         jint visible_bottom) {
 863   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 864   gfx::Vector2d scroll(scroll_x, scroll_y);
 865   browser_view_renderer_.PrepareToDraw(
 866       scroll, gfx::Rect(visible_left, visible_top, visible_right - visible_left,
 867                         visible_bottom - visible_top));
 868   if (is_hardware_accelerated && browser_view_renderer_.attached_to_window()) {
 869     return browser_view_renderer_.OnDrawHardware();
 870   }
 871
 872   gfx::Size view_size = browser_view_renderer_.size();
 873   if (view_size.IsEmpty()) {
 874     TRACE_EVENT_INSTANT0("android_webview", "EarlyOut_EmptySize",
 875                          TRACE_EVENT_SCOPE_THREAD);
 876     return false;
 877   }
 878
 879   // TODO(hush): Right now webview size is passed in as the auxiliary bitmap
 880   // size, which might hurt performace (only for software draws with auxiliary
 881   // bitmap). For better performance, get global visible rect, transform it
 882   // from screen space to view space, then intersect with the webview in
 883   // viewspace.  Use the resulting rect as the auxiliary bitmap.
 884   scoped_ptr<SoftwareCanvasHolder> canvas_holder =
 885       SoftwareCanvasHolder::Create(canvas, scroll, view_size);
 886   if (!canvas_holder || !canvas_holder->GetCanvas()) {
 887     TRACE_EVENT_INSTANT0("android_webview", "EarlyOut_EmptySize",
 888                          TRACE_EVENT_SCOPE_THREAD);
 889     return false;
 890   }
 891   return browser_view_renderer_.OnDrawSoftware(canvas_holder->GetCanvas());
 892 }
 893
 894 void AwContents::SetPendingWebContentsForPopup(
 895     scoped_ptr<content::WebContents> pending) {
 896   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 897   if (pending_contents_.get()) {
 898     // TODO(benm): Support holding multiple pop up window requests.
 899     LOG(WARNING) << "Blocking popup window creation as an outstanding "
 900                  << "popup window is still pending.";
 901     base::MessageLoop::current()->DeleteSoon(FROM_HERE, pending.release());
 902     return;
 903   }
 904   pending_contents_.reset(new AwContents(pending.Pass()));
 905 }
 906
 907 void AwContents::FocusFirstNode(JNIEnv* env, jobject obj) {
 908   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 909   web_contents_->FocusThroughTabTraversal(false);
 910 }
 911
 912 void AwContents::SetBackgroundColor(JNIEnv* env, jobject obj, jint color) {
 913   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 914   render_view_host_ext_->SetBackgroundColor(color);
 915 }
 916
 917 jlong AwContents::ReleasePopupAwContents(JNIEnv* env, jobject obj) {
 918   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 919   return reinterpret_cast<intptr_t>(pending_contents_.release());
 920 }
 921
 922 gfx::Point AwContents::GetLocationOnScreen() {
 923   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 924   JNIEnv* env = AttachCurrentThread();
 925   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 926   if (obj.is_null())
 927     return gfx::Point();
 928   std::vector<int> location;
 929   base::android::JavaIntArrayToIntVector(
 930       env,
 931       Java_AwContents_getLocationOnScreen(env, obj.obj()).obj(),
 932       &location);
 933   return gfx::Point(location[0], location[1]);
 934 }
 935
 936 void AwContents::ScrollContainerViewTo(gfx::Vector2d new_value) {
 937   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 938   JNIEnv* env = AttachCurrentThread();
 939   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 940   if (obj.is_null())
 941     return;
 942   Java_AwContents_scrollContainerViewTo(
 943       env, obj.obj(), new_value.x(), new_value.y());
 944 }
 945
 946 bool AwContents::IsFlingActive() const {
 947   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 948   JNIEnv* env = AttachCurrentThread();
 949   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 950   if (obj.is_null())
 951     return false;
 952   return Java_AwContents_isFlingActive(env, obj.obj());
 953 }
 954
 955 void AwContents::UpdateScrollState(gfx::Vector2d max_scroll_offset,
 956                                    gfx::SizeF contents_size_dip,
 957                                    float page_scale_factor,
 958                                    float min_page_scale_factor,
 959                                    float max_page_scale_factor) {
 960   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 961   JNIEnv* env = AttachCurrentThread();
 962   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 963   if (obj.is_null())
 964     return;
 965   Java_AwContents_updateScrollState(env,
 966                                     obj.obj(),
 967                                     max_scroll_offset.x(),
 968                                     max_scroll_offset.y(),
 969                                     contents_size_dip.width(),
 970                                     contents_size_dip.height(),
 971                                     page_scale_factor,
 972                                     min_page_scale_factor,
 973                                     max_page_scale_factor);
 974 }
 975
 976 void AwContents::DidOverscroll(gfx::Vector2d overscroll_delta) {
 977   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 978   JNIEnv* env = AttachCurrentThread();
 979   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
 980   if (obj.is_null())
 981     return;
 982   Java_AwContents_didOverscroll(
 983       env, obj.obj(), overscroll_delta.x(), overscroll_delta.y());
 984 }
 985
 986 const BrowserViewRenderer* AwContents::GetBrowserViewRenderer() const {
 987   return &browser_view_renderer_;
 988 }
 989
 990 void AwContents::SetDipScale(JNIEnv* env, jobject obj, jfloat dip_scale) {
 991   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 992   browser_view_renderer_.SetDipScale(dip_scale);
 993 }
 994
 995 void AwContents::ScrollTo(JNIEnv* env, jobject obj, jint x, jint y) {
 996   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 997   browser_view_renderer_.ScrollTo(gfx::Vector2d(x, y));
 998 }
 999
1000 void AwContents::OnWebLayoutPageScaleFactorChanged(float page_scale_factor) {
1001   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1002   JNIEnv* env = AttachCurrentThread();
1003   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
1004   if (obj.is_null())
1005     return;
1006   Java_AwContents_onWebLayoutPageScaleFactorChanged(env, obj.obj(),
1007                                                          page_scale_factor);
1008 }
1009
1010 void AwContents::OnWebLayoutContentsSizeChanged(
1011     const gfx::Size& contents_size) {
1012   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1013   JNIEnv* env = AttachCurrentThread();
1014   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
1015   if (obj.is_null())
1016     return;
1017   Java_AwContents_onWebLayoutContentsSizeChanged(
1018       env, obj.obj(), contents_size.width(), contents_size.height());
1019 }
1020
1021 jlong AwContents::CapturePicture(JNIEnv* env,
1022                                  jobject obj,
1023                                  int width,
1024                                  int height) {
1025   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1026   return reinterpret_cast<intptr_t>(
1027       new AwPicture(browser_view_renderer_.CapturePicture(width, height)));
1028 }
1029
1030 void AwContents::EnableOnNewPicture(JNIEnv* env,
1031                                     jobject obj,
1032                                     jboolean enabled) {
1033   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1034   browser_view_renderer_.EnableOnNewPicture(enabled);
1035 }
1036
1037 namespace {
1038 void InvokeVisualStateCallback(const JavaObjectWeakGlobalRef& java_ref,
1039                               long request_id,
1040                               ScopedJavaGlobalRef<jobject>* callback,
1041                               bool result) {
1042   JNIEnv* env = AttachCurrentThread();
1043   ScopedJavaLocalRef<jobject> obj = java_ref.get(env);
1044   if (obj.is_null())
1045      return;
1046   Java_AwContents_invokeVisualStateCallback(
1047       env, obj.obj(), callback->obj(), request_id, result);
1048 }
1049 }  // namespace
1050
1051 void AwContents::InsertVisualStateCallback(
1052     JNIEnv* env, jobject obj, long request_id, jobject callback) {
1053   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1054   ScopedJavaGlobalRef<jobject>* j_callback = new ScopedJavaGlobalRef<jobject>();
1055   j_callback->Reset(env, callback);
1056   web_contents_->GetMainFrame()->InsertVisualStateCallback(
1057       base::Bind(&InvokeVisualStateCallback, java_ref_, request_id,
1058                  base::Owned(j_callback)));
1059 }
1060
1061 void AwContents::ClearView(JNIEnv* env, jobject obj) {
1062   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1063   browser_view_renderer_.ClearView();
1064 }
1065
1066 void AwContents::SetExtraHeadersForUrl(JNIEnv* env, jobject obj,
1067                                        jstring url, jstring jextra_headers) {
1068   std::string extra_headers;
1069   if (jextra_headers)
1070     extra_headers = ConvertJavaStringToUTF8(env, jextra_headers);
1071   AwResourceContext* resource_context = static_cast<AwResourceContext*>(
1072       AwBrowserContext::FromWebContents(web_contents_.get())->
1073       GetResourceContext());
1074   resource_context->SetExtraHeaders(GURL(ConvertJavaStringToUTF8(env, url)),
1075                                     extra_headers);
1076 }
1077
1078 void AwContents::SetJsOnlineProperty(JNIEnv* env,
1079                                      jobject obj,
1080                                      jboolean network_up) {
1081   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1082   render_view_host_ext_->SetJsOnlineProperty(network_up);
1083 }
1084
1085 void AwContents::TrimMemory(JNIEnv* env,
1086                             jobject obj,
1087                             jint level,
1088                             jboolean visible) {
1089   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1090   browser_view_renderer_.TrimMemory(level, visible);
1091 }
1092
1093 // TODO(sgurun) add support for posting a frame whose name is known (only
1094 //               main frame is supported at this time, see crbug.com/389721)
1095 void AwContents::PostMessageToFrame(JNIEnv* env, jobject obj,
1096     jstring frame_name, jstring message, jstring target_origin,
1097     jintArray sent_ports) {
1098
1099   // Use an empty source origin for android webview.
1100   base::string16 source_origin;
1101   base::string16 j_target_origin(ConvertJavaStringToUTF16(env, target_origin));
1102   base::string16 j_message(ConvertJavaStringToUTF16(env, message));
1103   std::vector<int> j_ports;
1104
1105   if (sent_ports != nullptr) {
1106     base::android::JavaIntArrayToIntVector(env, sent_ports, &j_ports);
1107     BrowserThread::PostTask(
1108         BrowserThread::IO,
1109         FROM_HERE,
1110         base::Bind(&AwMessagePortServiceImpl::RemoveSentPorts,
1111                    base::Unretained(AwMessagePortServiceImpl::GetInstance()),
1112                    j_ports));
1113   }
1114   content::MessagePortProvider::PostMessageToFrame(web_contents_.get(),
1115                                                    source_origin,
1116                                                    j_target_origin,
1117                                                    j_message,
1118                                                    j_ports);
1119 }
1120
1121 scoped_refptr<AwMessagePortMessageFilter>
1122 AwContents::GetMessagePortMessageFilter() {
1123   // Create a message port message filter if necessary
1124   if (message_port_message_filter_.get() == nullptr) {
1125     message_port_message_filter_ =
1126         new AwMessagePortMessageFilter(
1127             web_contents_->GetMainFrame()->GetRoutingID());
1128     web_contents_->GetRenderProcessHost()->AddFilter(
1129         message_port_message_filter_.get());
1130   }
1131   return message_port_message_filter_;
1132 }
1133
1134 void AwContents::CreateMessageChannel(JNIEnv* env, jobject obj,
1135     jobjectArray ports) {
1136
1137   AwMessagePortServiceImpl::GetInstance()->CreateMessageChannel(env, ports,
1138       GetMessagePortMessageFilter());
1139 }
1140
1141 void SetShouldDownloadFavicons(JNIEnv* env, jclass jclazz) {
1142   g_should_download_favicons = true;
1143 }
1144
1145 }  // namespace android_webview