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 CHROME_BROWSER_EXTENSIONS_API_WEBSTORE_WEBSTORE_API_H_ 6 #define CHROME_BROWSER_EXTENSIONS_API_WEBSTORE_WEBSTORE_API_H_ 7 8 #include <list> 9 #include <string> 10 11 #include "base/memory/scoped_ptr.h" 12 #include "base/scoped_observer.h" 13 #include "chrome/browser/extensions/install_observer.h" 14 #include "chrome/common/extensions/api/webstore/webstore_api_constants.h" 15 #include "extensions/browser/browser_context_keyed_api_factory.h" 16 #include "extensions/browser/event_router.h" 17 18 namespace base { 19 class ListValue; 20 } 21 22 namespace content { 23 class BrowserContext; 24 } 25 26 namespace IPC { 27 class Sender; 28 } 29 30 namespace extensions { 31 class InstallTracker; 32 33 class WebstoreAPI : public BrowserContextKeyedAPI, 34 public InstallObserver { 35 public: 36 explicit WebstoreAPI(content::BrowserContext* browser_context); 37 virtual ~WebstoreAPI(); 38 39 static WebstoreAPI* Get(content::BrowserContext* browser_context); 40 41 // Called whenever an inline extension install is started. Examines 42 // |listener_mask| to determine if a download progress or install 43 // stage listener should be added. 44 // |routing_id| refers to the id to which we send any return messages; 45 // |ipc_sender| is the sender through which we send them (typically this 46 // is the TabHelper which started the inline install). 47 void OnInlineInstallStart(int routing_id, 48 IPC::Sender* ipc_sender, 49 const std::string& extension_id, 50 int listener_mask); 51 52 // Called when an inline extension install finishes. Removes any listeners 53 // related to the |routing_id|-|extension_id| pair. 54 void OnInlineInstallFinished(int routing_id, const std::string& extension_id); 55 56 // BrowserContextKeyedAPI implementation. 57 static BrowserContextKeyedAPIFactory<WebstoreAPI>* GetFactoryInstance(); 58 59 private: 60 friend class BrowserContextKeyedAPIFactory<WebstoreAPI>; 61 62 // A simple struct to hold our listeners' information for each observed 63 // install. 64 struct ObservedInstallInfo; 65 typedef std::list<ObservedInstallInfo> ObservedInstallInfoList; 66 67 // Sends an installation stage update message if we are observing 68 // the extension's install. 69 void SendInstallMessageIfObserved(const std::string& extension_id, 70 api::webstore::InstallStage install_stage); 71 72 // Removes listeners for the given |extension_id|-|routing_id| pair from 73 // |listeners|. 74 void RemoveListeners(int routing_id, 75 const std::string& extension_id, 76 ObservedInstallInfoList* listeners); 77 78 // InstallObserver implementation. 79 virtual void OnBeginExtensionDownload(const std::string& extension_id) 80 OVERRIDE; 81 virtual void OnDownloadProgress(const std::string& extension_id, 82 int percent_downloaded) OVERRIDE; 83 virtual void OnBeginCrxInstall(const std::string& extension_id) OVERRIDE; 84 virtual void OnShutdown() OVERRIDE; 85 86 // BrowserContextKeyedService implementation. 87 virtual void Shutdown() OVERRIDE; 88 89 // BrowserContextKeyedAPI implementation. 90 static const char* service_name() { return "WebstoreAPI"; } 91 static const bool kServiceIsNULLWhileTesting = true; 92 93 ObservedInstallInfoList download_progress_listeners_; 94 ObservedInstallInfoList install_stage_listeners_; 95 content::BrowserContext* browser_context_; 96 scoped_ptr<ScopedObserver<InstallTracker, InstallObserver> > 97 install_observer_; 98 99 DISALLOW_COPY_AND_ASSIGN(WebstoreAPI); 100 }; 101 102 } // namespace extensions 103 104 #endif // CHROME_BROWSER_EXTENSIONS_API_WEBSTORE_WEBSTORE_API_H_ 105