Apps V2 in Pepper: Host side implementation of ExntensionsCommon - Part 1.

chrome/renderer/extensions/chrome_v8_context.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_H_
 #define CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/compiler_specific.h"
 #include "chrome/common/extensions/features/feature.h"
 #include "chrome/renderer/extensions/module_system.h"
+#include "chrome/renderer/extensions/request_sender.h"
 #include "chrome/renderer/extensions/scoped_persistent.h"
 #include "v8/include/v8.h"
 
 namespace WebKit {
 class WebFrame;
 }
 
 namespace content {
 class RenderView;
 }
 
 namespace extensions {
 class Extension;
 
 // Chrome's wrapper for a v8 context.
 //
 // TODO(aa): Consider converting this back to a set of bindings_utils. It would
 // require adding WebFrame::GetIsolatedWorldIdByV8Context() to WebCore, but then
 // we won't need this object and it's a bit less state to keep track of.
-class ChromeV8Context {
+class ChromeV8Context : public RequestSender::Source {
  public:
   ChromeV8Context(v8::Handle<v8::Context> context,
                   WebKit::WebFrame* frame,
                   const Extension* extension,
                   Feature::Context context_type);
-  ~ChromeV8Context();
+  virtual ~ChromeV8Context();
 
   // Clears the WebFrame for this contexts and invalidates the associated
   // ModuleSystem.
   void Invalidate();
 
   v8::Handle<v8::Context> v8_context() const {
     return v8_context_.get();
   }
 
   const Extension* extension() const {
@@ skipping 48 matching lines @@
       int argc,
       v8::Handle<v8::Value>* argv,
       v8::Handle<v8::Value>* result) const;
 
   // Returns the availability of the API |api_name|.
   Feature::Availability GetAvailability(const std::string& api_name);
 
   // Returns a string description of the type of context this is.
   std::string GetContextTypeDescription();
 
+  // RequestSender::Source implementation.
+  virtual ChromeV8Context* GetContext() OVERRIDE;
+  virtual void OnResponseReceived(const std::string& name,
+                                  int request_id,
+                                  bool success,
+                                  const base::ListValue& response,
+                                  const std::string& error) OVERRIDE;
+
  private:
   // The v8 context the bindings are accessible to.
   ScopedPersistent<v8::Context> v8_context_;
 
   // The WebFrame associated with this context. This can be NULL because this
   // object can outlive is destroyed asynchronously.
   WebKit::WebFrame* web_frame_;
 
   // The extension associated with this context, or NULL if there is none. This
   // might be a hosted app in the case that this context is hosting a web URL.
   scoped_refptr<const Extension> extension_;
 
   // The type of context.
   Feature::Context context_type_;
 
   // Owns and structures the JS that is injected to set up extension bindings.
   scoped_ptr<ModuleSystem> module_system_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeV8Context);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_H_