chrome/renderer/extensions/app_bindings.h

   1 // Copyright (c) 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 // The AppObjectExtension is a v8 extension that creates an object
   6 // at window.chrome.app.  This object allows javascript to get details
   7 // on the app state of the page.
   8 // The read-only property app.isInstalled is true if the current page is
   9 // within the extent of an installed, enabled app.
  10
  11 #ifndef CHROME_RENDERER_EXTENSIONS_APP_BINDINGS_H_
  12 #define CHROME_RENDERER_EXTENSIONS_APP_BINDINGS_H_
  13
  14 #include "base/compiler_specific.h"
  15 #include "chrome/renderer/extensions/chrome_v8_extension_handler.h"
  16 #include "extensions/renderer/object_backed_native_handler.h"
  17 #include "third_party/WebKit/public/web/WebFrame.h"
  18
  19 namespace extensions {
  20 class Dispatcher;
  21
  22 // Implements the chrome.app JavaScript object.
  23 //
  24 // TODO(aa): Add unit testing for this class.
  25 class AppBindings : public ObjectBackedNativeHandler,
  26                     public ChromeV8ExtensionHandler {
  27  public:
  28   AppBindings(Dispatcher* dispatcher, ScriptContext* context);
  29   ~AppBindings() override;
  30
  31  private:
  32   // IPC::Listener
  33   bool OnMessageReceived(const IPC::Message& message) override;
  34
  35   void GetIsInstalled(const v8::FunctionCallbackInfo<v8::Value>& args);
  36   void GetDetails(const v8::FunctionCallbackInfo<v8::Value>& args);
  37   void GetInstallState(const v8::FunctionCallbackInfo<v8::Value>& args);
  38   void GetRunningState(const v8::FunctionCallbackInfo<v8::Value>& args);
  39
  40   v8::Local<v8::Value> GetDetailsImpl(blink::WebLocalFrame* frame);
  41
  42   void OnAppInstallStateResponse(const std::string& state, int callback_id);
  43
  44   // Dispatcher handle. Not owned.
  45   Dispatcher* dispatcher_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(AppBindings);
  48 };
  49
  50 }  // namespace extensions
  51
  52 #endif  // CHROME_RENDERER_EXTENSIONS_APP_BINDINGS_H_