src/apps/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 "apps/shell/renderer/shell_content_renderer_client.h"
   6
   7 #include "apps/shell/common/shell_extensions_client.h"
   8 #include "apps/shell/renderer/shell_dispatcher_delegate.h"
   9 #include "apps/shell/renderer/shell_extensions_renderer_client.h"
  10 #include "content/public/renderer/render_frame.h"
  11 #include "content/public/renderer/render_frame_observer.h"
  12 #include "content/public/renderer/render_frame_observer_tracker.h"
  13 #include "content/public/renderer/render_thread.h"
  14 #include "extensions/common/extensions_client.h"
  15 #include "extensions/renderer/dispatcher.h"
  16 #include "extensions/renderer/extension_helper.h"
  17
  18 using blink::WebFrame;
  19 using blink::WebString;
  20 using content::RenderThread;
  21
  22 namespace apps {
  23
  24 namespace {
  25
  26 // TODO: promote ExtensionFrameHelper to a common place and share with this.
  27 class ShellFrameHelper
  28     : public content::RenderFrameObserver,
  29       public content::RenderFrameObserverTracker<ShellFrameHelper> {
  30  public:
  31   ShellFrameHelper(content::RenderFrame* render_frame,
  32                    extensions::Dispatcher* extension_dispatcher);
  33   virtual ~ShellFrameHelper();
  34
  35   // RenderFrameObserver implementation.
  36   virtual void WillReleaseScriptContext(v8::Handle<v8::Context>,
  37                                         int world_id) OVERRIDE;
  38
  39  private:
  40   extensions::Dispatcher* extension_dispatcher_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(ShellFrameHelper);
  43 };
  44
  45 ShellFrameHelper::ShellFrameHelper(content::RenderFrame* render_frame,
  46                                    extensions::Dispatcher* extension_dispatcher)
  47     : content::RenderFrameObserver(render_frame),
  48       content::RenderFrameObserverTracker<ShellFrameHelper>(render_frame),
  49       extension_dispatcher_(extension_dispatcher) {}
  50
  51 ShellFrameHelper::~ShellFrameHelper() {}
  52
  53 void ShellFrameHelper::WillReleaseScriptContext(v8::Handle<v8::Context> context,
  54                                                 int world_id) {
  55   extension_dispatcher_->WillReleaseScriptContext(
  56       render_frame()->GetWebFrame(), context, world_id);
  57 }
  58
  59 }  // namespace
  60
  61 ShellContentRendererClient::ShellContentRendererClient() {}
  62
  63 ShellContentRendererClient::~ShellContentRendererClient() {}
  64
  65 void ShellContentRendererClient::RenderThreadStarted() {
  66   RenderThread* thread = RenderThread::Get();
  67
  68   extensions_client_.reset(new ShellExtensionsClient);
  69   extensions::ExtensionsClient::Set(extensions_client_.get());
  70
  71   extensions_renderer_client_.reset(new ShellExtensionsRendererClient);
  72   extensions::ExtensionsRendererClient::Set(extensions_renderer_client_.get());
  73
  74   extension_dispatcher_delegate_.reset(new ShellDispatcherDelegate());
  75
  76   // Must be initialized after ExtensionsRendererClient.
  77   extension_dispatcher_.reset(
  78       new extensions::Dispatcher(extension_dispatcher_delegate_.get()));
  79   thread->AddObserver(extension_dispatcher_.get());
  80
  81   // TODO(jamescook): Init WebSecurityPolicy for chrome-extension: schemes.
  82   // See ChromeContentRendererClient for details.
  83 }
  84
  85 void ShellContentRendererClient::RenderFrameCreated(
  86     content::RenderFrame* render_frame) {
  87   // ShellFrameHelper destroyes itself when the RenderFrame is destroyed.
  88   new ShellFrameHelper(render_frame, extension_dispatcher_.get());
  89 }
  90
  91 void ShellContentRendererClient::RenderViewCreated(
  92     content::RenderView* render_view) {
  93   new extensions::ExtensionHelper(render_view, extension_dispatcher_.get());
  94 }
  95
  96 bool ShellContentRendererClient::WillSendRequest(
  97     blink::WebFrame* frame,
  98     content::PageTransition transition_type,
  99     const GURL& url,
 100     const GURL& first_party_for_cookies,
 101     GURL* new_url) {
 102   // TODO(jamescook): Cause an error for bad extension scheme requests?
 103   return false;
 104 }
 105
 106 void ShellContentRendererClient::DidCreateScriptContext(
 107     WebFrame* frame, v8::Handle<v8::Context> context, int extension_group,
 108     int world_id) {
 109   extension_dispatcher_->DidCreateScriptContext(
 110       frame, context, extension_group, world_id);
 111 }
 112
 113 bool ShellContentRendererClient::ShouldEnableSiteIsolationPolicy() const {
 114   // Extension renderers don't need site isolation.
 115   return false;
 116 }
 117
 118 }  // namespace apps