1// Copyright 2013 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_CHROMEOS_APP_MODE_KIOSK_APP_DATA_H_ 6#define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_DATA_H_ 7 8#include <string> 9 10#include "base/basictypes.h" 11#include "base/files/file_path.h" 12#include "base/memory/ref_counted.h" 13#include "base/memory/weak_ptr.h" 14#include "chrome/browser/extensions/webstore_data_fetcher_delegate.h" 15#include "ui/gfx/image/image_skia.h" 16 17class Profile; 18 19namespace base { 20class RefCountedString; 21} 22 23namespace extensions { 24class Extension; 25class WebstoreDataFetcher; 26} 27 28namespace gfx { 29class Image; 30} 31 32namespace net { 33class URLRequestContextGetter; 34} 35 36namespace chromeos { 37 38class KioskAppDataDelegate; 39 40// Fetches an app's web store data and manages the cached info such as name 41// and icon. 42class KioskAppData : public base::SupportsWeakPtr<KioskAppData>, 43 public extensions::WebstoreDataFetcherDelegate { 44 public: 45 enum Status { 46 STATUS_INIT, // Data initialized with app id. 47 STATUS_LOADING, // Loading data from cache or web store. 48 STATUS_LOADED, // Data loaded. 49 STATUS_ERROR, // Failed to load data. 50 }; 51 52 KioskAppData(KioskAppDataDelegate* delegate, 53 const std::string& app_id, 54 const std::string& user_id); 55 virtual ~KioskAppData(); 56 57 // Loads app data from cache. If there is no cached data, fetches it 58 // from web store. 59 void Load(); 60 61 // Clears locally cached data. 62 void ClearCache(); 63 64 // Loads app data from the app installed in the given profile. 65 void LoadFromInstalledApp(Profile* profile, const extensions::Extension* app); 66 67 // Returns true if web store data fetching is in progress. 68 bool IsLoading() const; 69 70 const std::string& app_id() const { return app_id_; } 71 const std::string& user_id() const { return user_id_; } 72 const std::string& name() const { return name_; } 73 const gfx::ImageSkia& icon() const { return icon_; } 74 const base::RefCountedString* raw_icon() const { 75 return raw_icon_.get(); 76 } 77 Status status() const { return status_; } 78 79 private: 80 class IconLoader; 81 class WebstoreDataParser; 82 83 void SetStatus(Status status); 84 85 // Returns URLRequestContextGetter to use for fetching web store data. 86 net::URLRequestContextGetter* GetRequestContextGetter(); 87 88 // Loads the locally cached data. Return false if there is none. 89 bool LoadFromCache(); 90 91 // Sets the cached data. 92 void SetCache(const std::string& name, const base::FilePath& icon_path); 93 94 // Helper to set the cached data using a SkBitmap icon. 95 void SetCache(const std::string& name, const SkBitmap& icon); 96 97 // Callback for extensions::ImageLoader. 98 void OnExtensionIconLoaded(const gfx::Image& icon); 99 100 // Callbacks for IconLoader. 101 void OnIconLoadSuccess(const scoped_refptr<base::RefCountedString>& raw_icon, 102 const gfx::ImageSkia& icon); 103 void OnIconLoadFailure(); 104 105 // Callbacks for WebstoreDataParser 106 void OnWebstoreParseSuccess(const SkBitmap& icon); 107 void OnWebstoreParseFailure(); 108 109 // Starts to fetch data from web store. 110 void StartFetch(); 111 112 // extensions::WebstoreDataFetcherDelegate overrides: 113 virtual void OnWebstoreRequestFailure() OVERRIDE; 114 virtual void OnWebstoreResponseParseSuccess( 115 scoped_ptr<base::DictionaryValue> webstore_data) OVERRIDE; 116 virtual void OnWebstoreResponseParseFailure( 117 const std::string& error) OVERRIDE; 118 119 // Helper function for testing for the existence of |key| in 120 // |response|. Passes |key|'s content via |value| and returns 121 // true when |key| is present. 122 bool CheckResponseKeyValue(const base::DictionaryValue* response, 123 const char* key, 124 std::string* value); 125 126 KioskAppDataDelegate* delegate_; // not owned. 127 Status status_; 128 129 std::string app_id_; 130 std::string user_id_; 131 std::string name_; 132 gfx::ImageSkia icon_; 133 scoped_refptr<base::RefCountedString> raw_icon_; 134 135 scoped_ptr<extensions::WebstoreDataFetcher> webstore_fetcher_; 136 base::FilePath icon_path_; 137 138 DISALLOW_COPY_AND_ASSIGN(KioskAppData); 139}; 140 141} // namespace chromeos 142 143#endif // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_DATA_H_ 144