webstore_bindings.h revision 7d4cd473f85ac64c3747c96c277f9e506a0d2246 
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.h"
10#include "third_party/WebKit/public/web/WebFrame.h"
11
12namespace extensions {
13class ChromeV8Context;
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).
18class WebstoreBindings : public ChromeV8Extension,
19                         public ChromeV8ExtensionHandler {
20 public:
21  explicit WebstoreBindings(Dispatcher* dispatcher,
22                            ChromeV8Context* context);
23
24  // IPC::Listener
25  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
26
27 private:
28  void Install(const v8::FunctionCallbackInfo<v8::Value>& args);
29
30  void OnInlineWebstoreInstallResponse(
31      int install_id, bool success, const std::string& error);
32
33  // Extracts a Web Store item ID from a <link rel="chrome-webstore-item"
34  // href="https://chrome.google.com/webstore/detail/id"> node found in the
35  // frame. On success, true will be returned and the |webstore_item_id|
36  // parameter will be populated with the ID. On failure, false will be returned
37  // and |error| will be populated with the error.
38  static bool GetWebstoreItemIdFromFrame(
39      WebKit::WebFrame* frame, const std::string& preferred_store_link_url,
40      std::string* webstore_item_id, std::string* error);
41
42  DISALLOW_COPY_AND_ASSIGN(WebstoreBindings);
43};
44
45}  // namespace extensions
46
47#endif  // CHROME_RENDERER_EXTENSIONS_WEBSTORE_BINDINGS_H_
48