extensions/shell/renderer/shell_content_renderer_client.cc

   1 // Copyright 2014 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 "extensions/shell/renderer/shell_content_renderer_client.h"
   6
   7 #include "content/public/common/content_constants.h"
   8 #include "content/public/renderer/render_frame.h"
   9 #include "content/public/renderer/render_frame_observer.h"
  10 #include "content/public/renderer/render_frame_observer_tracker.h"
  11 #include "content/public/renderer/render_thread.h"
  12 #include "extensions/common/extensions_client.h"
  13 #include "extensions/renderer/dispatcher.h"
  14 #include "extensions/renderer/dispatcher_delegate.h"
  15 #include "extensions/renderer/extension_frame_helper.h"
  16 #include "extensions/renderer/extension_helper.h"
  17 #include "extensions/renderer/guest_view/extensions_guest_view_container.h"
  18 #include "extensions/renderer/guest_view/extensions_guest_view_container_dispatcher.h"
  19 #include "extensions/renderer/guest_view/mime_handler_view/mime_handler_view_container.h"
  20 #include "extensions/shell/common/shell_extensions_client.h"
  21 #include "extensions/shell/renderer/shell_extensions_renderer_client.h"
  22 #include "third_party/WebKit/public/web/WebLocalFrame.h"
  23
  24 #if !defined(DISABLE_NACL)
  25 #include "components/nacl/common/nacl_constants.h"
  26 #include "components/nacl/renderer/nacl_helper.h"
  27 #include "components/nacl/renderer/ppb_nacl_private.h"
  28 #include "components/nacl/renderer/ppb_nacl_private_impl.h"
  29 #endif
  30
  31 using blink::WebFrame;
  32 using blink::WebString;
  33 using content::RenderThread;
  34
  35 namespace extensions {
  36
  37 ShellContentRendererClient::ShellContentRendererClient() {
  38 }
  39
  40 ShellContentRendererClient::~ShellContentRendererClient() {
  41 }
  42
  43 void ShellContentRendererClient::RenderThreadStarted() {
  44   RenderThread* thread = RenderThread::Get();
  45
  46   extensions_client_.reset(CreateExtensionsClient());
  47   ExtensionsClient::Set(extensions_client_.get());
  48
  49   extensions_renderer_client_.reset(new ShellExtensionsRendererClient);
  50   ExtensionsRendererClient::Set(extensions_renderer_client_.get());
  51
  52   extension_dispatcher_delegate_.reset(new DispatcherDelegate());
  53
  54   // Must be initialized after ExtensionsRendererClient.
  55   extension_dispatcher_.reset(
  56       new Dispatcher(extension_dispatcher_delegate_.get()));
  57   thread->AddObserver(extension_dispatcher_.get());
  58
  59   guest_view_container_dispatcher_.reset(
  60       new ExtensionsGuestViewContainerDispatcher());
  61   thread->AddObserver(guest_view_container_dispatcher_.get());
  62
  63   // TODO(jamescook): Init WebSecurityPolicy for chrome-extension: schemes.
  64   // See ChromeContentRendererClient for details.
  65 }
  66
  67 void ShellContentRendererClient::RenderFrameCreated(
  68     content::RenderFrame* render_frame) {
  69   // ExtensionFrameHelper destroys itself when the RenderFrame is destroyed.
  70   new ExtensionFrameHelper(render_frame, extension_dispatcher_.get());
  71   extension_dispatcher_->OnRenderFrameCreated(render_frame);
  72
  73   // TODO(jamescook): Do we need to add a new PepperHelper(render_frame) here?
  74   // It doesn't seem necessary for either Pepper or NaCl.
  75   // http://crbug.com/403004
  76 #if !defined(DISABLE_NACL)
  77   new nacl::NaClHelper(render_frame);
  78 #endif
  79 }
  80
  81 void ShellContentRendererClient::RenderViewCreated(
  82     content::RenderView* render_view) {
  83   new ExtensionHelper(render_view, extension_dispatcher_.get());
  84 }
  85
  86 bool ShellContentRendererClient::OverrideCreatePlugin(
  87     content::RenderFrame* render_frame,
  88     blink::WebLocalFrame* frame,
  89     const blink::WebPluginParams& params,
  90     blink::WebPlugin** plugin) {
  91   // Allow the content module to create the plugin.
  92   return false;
  93 }
  94
  95 blink::WebPlugin* ShellContentRendererClient::CreatePluginReplacement(
  96     content::RenderFrame* render_frame,
  97     const base::FilePath& plugin_path) {
  98   // Don't provide a custom "failed to load" plugin.
  99   return NULL;
 100 }
 101
 102 bool ShellContentRendererClient::WillSendRequest(
 103     blink::WebFrame* frame,
 104     ui::PageTransition transition_type,
 105     const GURL& url,
 106     const GURL& first_party_for_cookies,
 107     GURL* new_url) {
 108   // TODO(jamescook): Cause an error for bad extension scheme requests?
 109   return false;
 110 }
 111
 112 const void* ShellContentRendererClient::CreatePPAPIInterface(
 113     const std::string& interface_name) {
 114 #if !defined(DISABLE_NACL)
 115   if (interface_name == PPB_NACL_PRIVATE_INTERFACE)
 116     return nacl::GetNaClPrivateInterface();
 117 #endif
 118   return NULL;
 119 }
 120
 121 bool ShellContentRendererClient::IsExternalPepperPlugin(
 122     const std::string& module_name) {
 123 #if !defined(DISABLE_NACL)
 124   // TODO(bbudge) remove this when the trusted NaCl plugin has been removed.
 125   // We must defer certain plugin events for NaCl instances since we switch
 126   // from the in-process to the out-of-process proxy after instantiating them.
 127   return module_name == nacl::kNaClPluginName;
 128 #else
 129   return false;
 130 #endif
 131 }
 132
 133 bool ShellContentRendererClient::ShouldGatherSiteIsolationStats() const {
 134   return false;
 135 }
 136
 137 content::BrowserPluginDelegate*
 138 ShellContentRendererClient::CreateBrowserPluginDelegate(
 139     content::RenderFrame* render_frame,
 140     const std::string& mime_type,
 141     const GURL& original_url) {
 142   if (mime_type == content::kBrowserPluginMimeType) {
 143     return new extensions::ExtensionsGuestViewContainer(render_frame);
 144   } else {
 145     return new extensions::MimeHandlerViewContainer(
 146         render_frame, mime_type, original_url);
 147   }
 148 }
 149
 150 ExtensionsClient* ShellContentRendererClient::CreateExtensionsClient() {
 151   return new ShellExtensionsClient;
 152 }
 153
 154 }  // namespace extensions