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| 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_BROWSER_EXTENSIONS_SHELL_WINDOW_GEOMETRY_CACHE_H_ | |
| 6 #define CHROME_BROWSER_EXTENSIONS_SHELL_WINDOW_GEOMETRY_CACHE_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <set> | |
| 10 #include <string> | |
| 11 | |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 #include "base/memory/singleton.h" | |
| 14 #include "base/observer_list.h" | |
| 15 #include "base/time/time.h" | |
| 16 #include "base/timer/timer.h" | |
| 17 #include "base/values.h" | |
| 18 #include "components/browser_context_keyed_service/browser_context_keyed_service
.h" | |
| 19 #include "components/browser_context_keyed_service/browser_context_keyed_service
_factory.h" | |
| 20 #include "content/public/browser/notification_observer.h" | |
| 21 #include "content/public/browser/notification_registrar.h" | |
| 22 #include "ui/base/ui_base_types.h" | |
| 23 #include "ui/gfx/rect.h" | |
| 24 | |
| 25 class Profile; | |
| 26 | |
| 27 namespace extensions { | |
| 28 class ExtensionPrefs; | |
| 29 } | |
| 30 | |
| 31 namespace apps { | |
| 32 | |
| 33 // A cache for persisted geometry of shell windows, both to not have to wait | |
| 34 // for IO when creating a new window, and to not cause IO on every window | |
| 35 // geometry change. | |
| 36 class ShellWindowGeometryCache | |
| 37 : public BrowserContextKeyedService, | |
| 38 public content::NotificationObserver { | |
| 39 public: | |
| 40 class Factory : public BrowserContextKeyedServiceFactory { | |
| 41 public: | |
| 42 static ShellWindowGeometryCache* GetForContext( | |
| 43 content::BrowserContext* context, | |
| 44 bool create); | |
| 45 | |
| 46 static Factory* GetInstance(); | |
| 47 private: | |
| 48 friend struct DefaultSingletonTraits<Factory>; | |
| 49 | |
| 50 Factory(); | |
| 51 virtual ~Factory(); | |
| 52 | |
| 53 // BrowserContextKeyedServiceFactory | |
| 54 virtual BrowserContextKeyedService* BuildServiceInstanceFor( | |
| 55 content::BrowserContext* context) const OVERRIDE; | |
| 56 virtual bool ServiceIsNULLWhileTesting() const OVERRIDE; | |
| 57 virtual content::BrowserContext* GetBrowserContextToUse( | |
| 58 content::BrowserContext* context) const OVERRIDE; | |
| 59 }; | |
| 60 | |
| 61 class Observer { | |
| 62 public: | |
| 63 virtual void OnGeometryCacheChanged(const std::string& extension_id, | |
| 64 const std::string& window_id, | |
| 65 const gfx::Rect& bounds) = 0; | |
| 66 | |
| 67 protected: | |
| 68 virtual ~Observer() {}; | |
| 69 }; | |
| 70 | |
| 71 ShellWindowGeometryCache(Profile* profile, | |
| 72 extensions::ExtensionPrefs* prefs); | |
| 73 | |
| 74 virtual ~ShellWindowGeometryCache(); | |
| 75 | |
| 76 // Returns the instance for the given browsing context. | |
| 77 static ShellWindowGeometryCache* Get(content::BrowserContext* context); | |
| 78 | |
| 79 // Save the geometry and state associated with |extension_id| and |window_id|. | |
| 80 void SaveGeometry(const std::string& extension_id, | |
| 81 const std::string& window_id, | |
| 82 const gfx::Rect& bounds, | |
| 83 const gfx::Rect& screen_bounds, | |
| 84 ui::WindowShowState state); | |
| 85 | |
| 86 // Get any saved geometry and state associated with |extension_id| and | |
| 87 // |window_id|. If saved data exists, sets |bounds|, |screen_bounds| and | |
| 88 // |state| if not NULL and returns true. | |
| 89 bool GetGeometry(const std::string& extension_id, | |
| 90 const std::string& window_id, | |
| 91 gfx::Rect* bounds, | |
| 92 gfx::Rect* screen_bounds, | |
| 93 ui::WindowShowState* state); | |
| 94 | |
| 95 // BrowserContextKeyedService | |
| 96 virtual void Shutdown() OVERRIDE; | |
| 97 | |
| 98 void AddObserver(Observer* observer); | |
| 99 void RemoveObserver(Observer* observer); | |
| 100 | |
| 101 // Maximum number of windows we'll cache the geometry for per app. | |
| 102 static const size_t kMaxCachedWindows = 100; | |
| 103 | |
| 104 protected: | |
| 105 friend class ShellWindowGeometryCacheTest; | |
| 106 | |
| 107 // For tests, this modifies the timeout delay for saving changes from calls | |
| 108 // to SaveGeometry. (Note that even if this is set to 0, you still need to | |
| 109 // run the message loop to see the results of any SyncToStorage call). | |
| 110 void SetSyncDelayForTests(int timeout_ms); | |
| 111 | |
| 112 private: | |
| 113 // Data stored for each window. | |
| 114 struct WindowData { | |
| 115 WindowData(); | |
| 116 ~WindowData(); | |
| 117 gfx::Rect bounds; | |
| 118 gfx::Rect screen_bounds; | |
| 119 ui::WindowShowState window_state; | |
| 120 base::Time last_change; | |
| 121 }; | |
| 122 | |
| 123 // Data stored for each extension. | |
| 124 typedef std::map<std::string, WindowData> ExtensionData; | |
| 125 | |
| 126 // content::NotificationObserver | |
| 127 virtual void Observe(int type, | |
| 128 const content::NotificationSource& source, | |
| 129 const content::NotificationDetails& details) OVERRIDE; | |
| 130 | |
| 131 void LoadGeometryFromStorage(const std::string& extension_id); | |
| 132 void OnExtensionUnloaded(const std::string& extension_id); | |
| 133 void SyncToStorage(); | |
| 134 | |
| 135 // Preferences storage. | |
| 136 extensions::ExtensionPrefs* prefs_; | |
| 137 | |
| 138 // Cached data | |
| 139 std::map<std::string, ExtensionData> cache_; | |
| 140 | |
| 141 // Data that still needs saving | |
| 142 std::set<std::string> unsynced_extensions_; | |
| 143 | |
| 144 // The timer used to save the data | |
| 145 base::OneShotTimer<ShellWindowGeometryCache> sync_timer_; | |
| 146 | |
| 147 // The timeout value we'll use for |sync_timer_|. | |
| 148 base::TimeDelta sync_delay_; | |
| 149 | |
| 150 content::NotificationRegistrar registrar_; | |
| 151 ObserverList<Observer> observers_; | |
| 152 }; | |
| 153 | |
| 154 } // namespace apps | |
| 155 | |
| 156 #endif // CHROME_BROWSER_EXTENSIONS_SHELL_WINDOW_GEOMETRY_CACHE_H_ | |
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Chromium Code Reviews
Issue 166573005:
Rename apps::ShellWindow to apps::AppWindow (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src