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

Issue 393133002: Migrate HostZoomMap to live in StoragePartition. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Address comments; patch for landing. Created 6 years, 1 month 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>
11 11
12 #include "base/compiler_specific.h" 12 #include "base/compiler_specific.h"
13 #include "base/sequenced_task_runner_helpers.h" 13 #include "base/sequenced_task_runner_helpers.h"
14 #include "base/supports_user_data.h"
15 #include "base/synchronization/lock.h" 14 #include "base/synchronization/lock.h"
16 #include "content/public/browser/host_zoom_map.h" 15 #include "content/public/browser/host_zoom_map.h"
17 #include "content/public/browser/notification_observer.h" 16 #include "content/public/browser/notification_observer.h"
18 #include "content/public/browser/notification_registrar.h" 17 #include "content/public/browser/notification_registrar.h"
19 18
20 namespace content { 19 namespace content {
21 20
22 class WebContentsImpl; 21 class WebContentsImpl;
23 22
24 // HostZoomMap needs to be deleted on the UI thread because it listens 23 // HostZoomMap needs to be deleted on the UI thread because it listens
25 // to notifications on there (and holds a NotificationRegistrar). 24 // to notifications on there (and holds a NotificationRegistrar).
26 class CONTENT_EXPORT HostZoomMapImpl : public NON_EXPORTED_BASE(HostZoomMap), 25 class CONTENT_EXPORT HostZoomMapImpl : public NON_EXPORTED_BASE(HostZoomMap),
27 public NotificationObserver, 26 public NotificationObserver {
28 public base::SupportsUserData::Data {
29 public: 27 public:
30 HostZoomMapImpl(); 28 HostZoomMapImpl();
31 ~HostZoomMapImpl() override; 29 ~HostZoomMapImpl() override;
32 30
33 // HostZoomMap implementation: 31 // HostZoomMap implementation:
34 void CopyFrom(HostZoomMap* copy) override; 32 void CopyFrom(HostZoomMap* copy) override;
35 double GetZoomLevelForHostAndScheme(const std::string& scheme, 33 double GetZoomLevelForHostAndScheme(const std::string& scheme,
36 const std::string& host) const override; 34 const std::string& host) const override;
37 // TODO(wjmaclean) Should we use a GURL here? crbug.com/384486 35 // TODO(wjmaclean) Should we use a GURL here? crbug.com/384486
38 bool HasZoomLevel(const std::string& scheme, 36 bool HasZoomLevel(const std::string& scheme,
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134 mutable base::Lock lock_; 132 mutable base::Lock lock_;
135 133
136 NotificationRegistrar registrar_; 134 NotificationRegistrar registrar_;
137 135
138 DISALLOW_COPY_AND_ASSIGN(HostZoomMapImpl); 136 DISALLOW_COPY_AND_ASSIGN(HostZoomMapImpl);
139 }; 137 };
140 138
141 } // namespace content 139 } // namespace content
142 140
143 #endif // CONTENT_BROWSER_HOST_ZOOM_MAP_IMPL_H_ 141 #endif // CONTENT_BROWSER_HOST_ZOOM_MAP_IMPL_H_
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