chrome/renderer/extensions/webstore_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 #ifndef CHROME_RENDERER_EXTENSIONS_WEBSTORE_BINDINGS_H_
   6 #define CHROME_RENDERER_EXTENSIONS_WEBSTORE_BINDINGS_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "chrome/renderer/extensions/chrome_v8_extension_handler.h"
  10 #include "extensions/renderer/object_backed_native_handler.h"
  11 #include "third_party/WebKit/public/web/WebFrame.h"
  12
  13 namespace extensions {
  14
  15 // A V8 extension that creates an object at window.chrome.webstore. This object
  16 // allows JavaScript to initiate inline installs of apps that are listed in the
  17 // Chrome Web Store (CWS).
  18 class WebstoreBindings : public ObjectBackedNativeHandler,
  19                          public ChromeV8ExtensionHandler {
  20  public:
  21   explicit WebstoreBindings(ScriptContext* context);
  22
  23   // IPC::Listener
  24   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  25
  26  private:
  27   void Install(const v8::FunctionCallbackInfo<v8::Value>& args);
  28
  29   void OnInlineWebstoreInstallResponse(
  30       int install_id, bool success, const std::string& error);
  31
  32   void OnInlineInstallStageChanged(int stage);
  33
  34   void OnInlineInstallDownloadProgress(int percent_downloaded);
  35
  36   // Extracts a Web Store item ID from a <link rel="chrome-webstore-item"
  37   // href="https://chrome.google.com/webstore/detail/id"> node found in the
  38   // frame. On success, true will be returned and the |webstore_item_id|
  39   // parameter will be populated with the ID. On failure, false will be returned
  40   // and |error| will be populated with the error.
  41   static bool GetWebstoreItemIdFromFrame(
  42       blink::WebFrame* frame, const std::string& preferred_store_link_url,
  43       std::string* webstore_item_id, std::string* error);
  44
  45   DISALLOW_COPY_AND_ASSIGN(WebstoreBindings);
  46 };
  47
  48 }  // namespace extensions
  49
  50 #endif  // CHROME_RENDERER_EXTENSIONS_WEBSTORE_BINDINGS_H_