content/renderer/web_ui_runner.h

   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 #ifndef CONTENT_RENDERER_WEB_UI_RUNNER_H_
   6 #define CONTENT_RENDERER_WEB_UI_RUNNER_H_
   7
   8 #include "gin/runner.h"
   9
  10 namespace blink {
  11 class WebFrame;
  12 }
  13
  14 namespace content {
  15
  16 // Implementation of gin::Runner that forwards Runner functions to WebFrame.
  17 class WebUIRunner : public gin::Runner {
  18  public:
  19   // Does not take ownership of ContextHolder.
  20   WebUIRunner(blink::WebFrame* frame, gin::ContextHolder* context_holder);
  21   ~WebUIRunner() override;
  22
  23   // Runner overrides:
  24   void Run(const std::string& source,
  25            const std::string& resource_name) override;
  26   v8::Handle<v8::Value> Call(v8::Handle<v8::Function> function,
  27                              v8::Handle<v8::Value> receiver,
  28                              int argc,
  29                              v8::Handle<v8::Value> argv[]) override;
  30   gin::ContextHolder* GetContextHolder() override;
  31
  32  private:
  33   // Frame to execute script in.
  34   blink::WebFrame* frame_;
  35
  36   // Created by blink bindings to V8.
  37   gin::ContextHolder* context_holder_;
  38
  39   DISALLOW_COPY_AND_ASSIGN(WebUIRunner);
  40 };
  41
  42 }  // namespace content
  43
  44 #endif  // CONTENT_RENDERER_WEB_UI_RUNNER_H_