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Side by Side Diff: content/browser/host_zoom_map_impl.h

Issue 11866004: Add scheme to HostZoomMap (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: Add namespace Created 7 years, 9 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CONTENT_BROWSER_HOST_ZOOM_MAP_IMPL_H_ 5 #ifndef CONTENT_BROWSER_HOST_ZOOM_MAP_IMPL_H_
6 #define CONTENT_BROWSER_HOST_ZOOM_MAP_IMPL_H_ 6 #define CONTENT_BROWSER_HOST_ZOOM_MAP_IMPL_H_
7 7
8 #include <map> 8 #include <map>
9 #include <string> 9 #include <string>
10 #include <vector> 10 #include <vector>
(...skipping 12 matching lines...) Expand all
23 // to notifications on there (and holds a NotificationRegistrar). 23 // to notifications on there (and holds a NotificationRegistrar).
24 class CONTENT_EXPORT HostZoomMapImpl : public NON_EXPORTED_BASE(HostZoomMap), 24 class CONTENT_EXPORT HostZoomMapImpl : public NON_EXPORTED_BASE(HostZoomMap),
25 public NotificationObserver, 25 public NotificationObserver,
26 public base::SupportsUserData::Data { 26 public base::SupportsUserData::Data {
27 public: 27 public:
28 HostZoomMapImpl(); 28 HostZoomMapImpl();
29 virtual ~HostZoomMapImpl(); 29 virtual ~HostZoomMapImpl();
30 30
31 // HostZoomMap implementation: 31 // HostZoomMap implementation:
32 virtual void CopyFrom(HostZoomMap* copy) OVERRIDE; 32 virtual void CopyFrom(HostZoomMap* copy) OVERRIDE;
33 virtual double GetZoomLevel(const std::string& host) const OVERRIDE; 33 virtual double GetZoomLevelForHostAndScheme(
34 virtual void SetZoomLevel(const std::string& host, double level) OVERRIDE; 34 const std::string& scheme,
35 const std::string& host) const OVERRIDE;
36 virtual void SetZoomLevelForHost(
37 const std::string& host,
38 double level) OVERRIDE;
39 virtual void SetZoomLevelForHostAndScheme(
40 const std::string& scheme,
41 const std::string& host,
42 double level) OVERRIDE;
35 virtual double GetDefaultZoomLevel() const OVERRIDE; 43 virtual double GetDefaultZoomLevel() const OVERRIDE;
36 virtual void SetDefaultZoomLevel(double level) OVERRIDE; 44 virtual void SetDefaultZoomLevel(double level) OVERRIDE;
37 virtual void AddZoomLevelChangedCallback( 45 virtual void AddZoomLevelChangedCallback(
38 const ZoomLevelChangedCallback& callback) OVERRIDE; 46 const ZoomLevelChangedCallback& callback) OVERRIDE;
39 virtual void RemoveZoomLevelChangedCallback( 47 virtual void RemoveZoomLevelChangedCallback(
40 const ZoomLevelChangedCallback& callback) OVERRIDE; 48 const ZoomLevelChangedCallback& callback) OVERRIDE;
41 49
42 // Returns the temporary zoom level that's only valid for the lifetime of 50 // Returns the temporary zoom level that's only valid for the lifetime of
43 // the given WebContents (i.e. isn't saved and doesn't affect other 51 // the given WebContents (i.e. isn't saved and doesn't affect other
44 // WebContentses) if it exists, the default zoom level otherwise. 52 // WebContentses) if it exists, the default zoom level otherwise.
45 // 53 //
46 // This may be called on any thread. 54 // This may be called on any thread.
47 double GetTemporaryZoomLevel(int render_process_id, 55 double GetTemporaryZoomLevel(int render_process_id,
48 int render_view_id) const; 56 int render_view_id) const;
49 57
50 // Sets the temporary zoom level that's only valid for the lifetime of this 58 // Sets the temporary zoom level that's only valid for the lifetime of this
51 // WebContents. 59 // WebContents.
52 // 60 //
53 // This should only be called on the UI thread. 61 // This should only be called on the UI thread.
54 void SetTemporaryZoomLevel(int render_process_id, 62 void SetTemporaryZoomLevel(int render_process_id,
55 int render_view_id, 63 int render_view_id,
56 double level); 64 double level);
57 65
58 // NotificationObserver implementation. 66 // NotificationObserver implementation.
59 virtual void Observe(int type, 67 virtual void Observe(int type,
60 const NotificationSource& source, 68 const NotificationSource& source,
61 const NotificationDetails& details) OVERRIDE; 69 const NotificationDetails& details) OVERRIDE;
62 70
63 private: 71 private:
72 double GetZoomLevelForHost(const std::string& host) const;
73
64 typedef std::map<std::string, double> HostZoomLevels; 74 typedef std::map<std::string, double> HostZoomLevels;
75 typedef std::map<std::string, HostZoomLevels> SchemeHostZoomLevels;
65 76
66 // Callbacks called when zoom level changes. 77 // Callbacks called when zoom level changes.
67 std::vector<ZoomLevelChangedCallback> zoom_level_changed_callbacks_; 78 std::vector<ZoomLevelChangedCallback> zoom_level_changed_callbacks_;
68 79
69 // Copy of the pref data, so that we can read it on the IO thread. 80 // Copy of the pref data, so that we can read it on the IO thread.
70 HostZoomLevels host_zoom_levels_; 81 HostZoomLevels host_zoom_levels_;
82 SchemeHostZoomLevels scheme_host_zoom_levels_;
71 double default_zoom_level_; 83 double default_zoom_level_;
72 84
73 struct TemporaryZoomLevel { 85 struct TemporaryZoomLevel {
74 int render_process_id; 86 int render_process_id;
75 int render_view_id; 87 int render_view_id;
76 double zoom_level; 88 double zoom_level;
77 }; 89 };
78 90
79 // Don't expect more than a couple of tabs that are using a temporary zoom 91 // Don't expect more than a couple of tabs that are using a temporary zoom
80 // level, so vector is fine for now. 92 // level, so vector is fine for now.
81 std::vector<TemporaryZoomLevel> temporary_zoom_levels_; 93 std::vector<TemporaryZoomLevel> temporary_zoom_levels_;
82 94
83 // Used around accesses to |host_zoom_levels_|, |default_zoom_level_| and 95 // Used around accesses to |host_zoom_levels_|, |default_zoom_level_| and
84 // |temporary_zoom_levels_| to guarantee thread safety. 96 // |temporary_zoom_levels_| to guarantee thread safety.
85 mutable base::Lock lock_; 97 mutable base::Lock lock_;
86 98
87 NotificationRegistrar registrar_; 99 NotificationRegistrar registrar_;
88 100
89 DISALLOW_COPY_AND_ASSIGN(HostZoomMapImpl); 101 DISALLOW_COPY_AND_ASSIGN(HostZoomMapImpl);
90 }; 102 };
91 103
92 } // namespace content 104 } // namespace content
93 105
94 #endif // CONTENT_BROWSER_HOST_ZOOM_MAP_IMPL_H_ 106 #endif // CONTENT_BROWSER_HOST_ZOOM_MAP_IMPL_H_
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