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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_PUBLIC_BROWSER_ZOOM_LEVEL_DELEGATE_H_ | 5 #ifndef CONTENT_PUBLIC_BROWSER_ZOOM_LEVEL_DELEGATE_H_ |
6 #define CONTENT_PUBLIC_BROWSER_ZOOM_LEVEL_DELEGATE_H_ | 6 #define CONTENT_PUBLIC_BROWSER_ZOOM_LEVEL_DELEGATE_H_ |
7 | 7 |
| 8 #include "base/callback_list.h" |
| 9 |
8 namespace content { | 10 namespace content { |
9 | 11 |
10 class HostZoomMap; | 12 class HostZoomMap; |
11 | 13 |
12 // An interface to allow the client to initialize the HostZoomMap. | 14 // An interface to allow the client to initialize the HostZoomMap |
| 15 // and to know the default zoom scope. |
13 class ZoomLevelDelegate { | 16 class ZoomLevelDelegate { |
14 public: | 17 public: |
| 18 typedef base::CallbackList<void(void)>::Subscription |
| 19 DefaultZoomScopeSubscription; |
| 20 |
15 virtual void InitHostZoomMap(HostZoomMap* host_zoom_map) = 0; | 21 virtual void InitHostZoomMap(HostZoomMap* host_zoom_map) = 0; |
| 22 |
| 23 virtual bool GetIsOriginScopePref() const = 0; |
| 24 virtual std::unique_ptr<DefaultZoomScopeSubscription> |
| 25 RegisterDefaultZoomScopeCallback(const base::Closure& callback) = 0; |
| 26 |
16 virtual ~ZoomLevelDelegate() {} | 27 virtual ~ZoomLevelDelegate() {} |
17 }; | 28 }; |
18 | 29 |
19 } // namespace content | 30 } // namespace content |
20 | 31 |
21 #endif // CONTENT_PUBLIC_BROWSER_ZOOM_LEVEL_DELEGATE_H_ | 32 #endif // CONTENT_PUBLIC_BROWSER_ZOOM_LEVEL_DELEGATE_H_ |
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