Index: chrome/browser/host_zoom_map.h |
=================================================================== |
--- chrome/browser/host_zoom_map.h (revision 75653) |
+++ chrome/browser/host_zoom_map.h (working copy) |
@@ -2,126 +2,11 @@ |
// Use of this source code is governed by a BSD-style license that can be |
// found in the LICENSE file. |
-// Maps hostnames to custom zoom levels. Written on the UI thread and read on |
-// any thread. One instance per profile. |
- |
#ifndef CHROME_BROWSER_HOST_ZOOM_MAP_H_ |
#define CHROME_BROWSER_HOST_ZOOM_MAP_H_ |
#pragma once |
-#include <map> |
-#include <string> |
-#include <vector> |
+// TODO(jam): remove this file when all files have been converted. |
+#include "content/browser/host_zoom_map.h" |
-#include "base/basictypes.h" |
-#include "base/ref_counted.h" |
-#include "base/synchronization/lock.h" |
-#include "chrome/browser/browser_thread.h" |
-#include "chrome/browser/prefs/pref_change_registrar.h" |
-#include "chrome/common/notification_observer.h" |
-#include "chrome/common/notification_registrar.h" |
- |
-class GURL; |
-class PrefService; |
-class Profile; |
- |
-// HostZoomMap needs to be deleted on the UI thread because it listens |
-// to notifications on there (and holds a NotificationRegistrar). |
-class HostZoomMap : |
- public NotificationObserver, |
- public base::RefCountedThreadSafe<HostZoomMap, |
- BrowserThread::DeleteOnUIThread> { |
- public: |
- explicit HostZoomMap(Profile* profile); |
- |
- static void RegisterUserPrefs(PrefService* prefs); |
- |
- // Returns the zoom level for a given url. The zoom level is determined by |
- // the host portion of the URL, or (in the absence of a host) the complete |
- // spec of the URL. In most cases, there is no custom zoom level, and this |
- // returns the user's default zoom level. Otherwise, returns the saved zoom |
- // level, which may be positive (to zoom in) or negative (to zoom out). |
- // |
- // This may be called on any thread. |
- double GetZoomLevel(const GURL& url) const; |
- |
- // Sets the zoom level for a given url to |level|. If the level matches the |
- // current default zoom level, the host is erased from the saved preferences; |
- // otherwise the new value is written out. |
- // |
- // This should only be called on the UI thread. |
- void SetZoomLevel(const GURL& url, double level); |
- |
- // Returns the temporary zoom level that's only valid for the lifetime of |
- // the given tab (i.e. isn't saved and doesn't affect other tabs) if it |
- // exists, the default zoom level otherwise. |
- // |
- // This may be called on any thread. |
- double GetTemporaryZoomLevel(int render_process_id, |
- int render_view_id) const; |
- |
- // Sets the temporary zoom level that's only valid for the lifetime of this |
- // tab. |
- // |
- // This should only be called on the UI thread. |
- void SetTemporaryZoomLevel(int render_process_id, |
- int render_view_id, |
- double level); |
- |
- // Resets all zoom levels. |
- // |
- // This should only be called on the UI thread. |
- void ResetToDefaults(); |
- |
- // NotificationObserver implementation. |
- virtual void Observe(NotificationType type, |
- const NotificationSource& source, |
- const NotificationDetails& details); |
- |
- private: |
- friend struct BrowserThread::DeleteOnThread<BrowserThread::UI>; |
- friend class DeleteTask<HostZoomMap>; |
- |
- typedef std::map<std::string, double> HostZoomLevels; |
- |
- ~HostZoomMap(); |
- |
- // Reads the zoom levels from the preferences service. |
- void Load(); |
- |
- // Removes dependencies on the profile so we can live longer than |
- // the profile without crashing. |
- void Shutdown(); |
- |
- // The profile we're associated with. |
- Profile* profile_; |
- |
- // Copy of the pref data, so that we can read it on the IO thread. |
- HostZoomLevels host_zoom_levels_; |
- double default_zoom_level_; |
- |
- struct TemporaryZoomLevel { |
- int render_process_id; |
- int render_view_id; |
- double zoom_level; |
- }; |
- |
- // Don't expect more than a couple of tabs that are using a temporary zoom |
- // level, so vector is fine for now. |
- std::vector<TemporaryZoomLevel> temporary_zoom_levels_; |
- |
- // Used around accesses to |host_zoom_levels_|, |default_zoom_level_| and |
- // |temporary_zoom_levels_| to guarantee thread safety. |
- mutable base::Lock lock_; |
- |
- // Whether we are currently updating preferences, this is used to ignore |
- // notifications from the preference service that we triggered ourself. |
- bool updating_preferences_; |
- |
- NotificationRegistrar registrar_; |
- PrefChangeRegistrar pref_change_registrar_; |
- |
- DISALLOW_COPY_AND_ASSIGN(HostZoomMap); |
-}; |
- |
#endif // CHROME_BROWSER_HOST_ZOOM_MAP_H_ |