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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 CHROME_BROWSER_UI_METRO_PIN_TAB_HELPER_H_ | 5 #ifndef CHROME_BROWSER_UI_METRO_PIN_TAB_HELPER_WIN_H_ |
6 #define CHROME_BROWSER_UI_METRO_PIN_TAB_HELPER_H_ | 6 #define CHROME_BROWSER_UI_METRO_PIN_TAB_HELPER_WIN_H_ |
7 | 7 |
8 #include "content/public/browser/web_contents_observer.h" | 8 #include "content/public/browser/web_contents_observer.h" |
9 #include "content/public/browser/web_contents_user_data.h" | 9 #include "content/public/browser/web_contents_user_data.h" |
| 10 #include "ui/gfx/image/image_skia.h" |
10 | 11 |
11 // Per-tab class to help manage metro pinning. | 12 // Per-tab class to help manage metro pinning. |
12 class MetroPinTabHelper | 13 class MetroPinTabHelper |
13 : public content::WebContentsObserver, | 14 : public content::WebContentsObserver, |
14 public content::WebContentsUserData<MetroPinTabHelper> { | 15 public content::WebContentsUserData<MetroPinTabHelper> { |
15 public: | 16 public: |
16 virtual ~MetroPinTabHelper(); | 17 virtual ~MetroPinTabHelper(); |
17 | 18 |
18 bool is_pinned() const { return is_pinned_; } | 19 bool is_pinned() const { return is_pinned_; } |
19 | 20 |
20 void TogglePinnedToStartScreen(); | 21 void TogglePinnedToStartScreen(); |
21 | 22 |
22 // content::WebContentsObserver overrides: | 23 // content::WebContentsObserver overrides: |
23 virtual void DidNavigateMainFrame( | 24 virtual void DidNavigateMainFrame( |
24 const content::LoadCommittedDetails& details, | 25 const content::LoadCommittedDetails& details, |
25 const content::FrameNavigateParams& params) OVERRIDE; | 26 const content::FrameNavigateParams& params) OVERRIDE; |
26 | 27 |
27 private: | 28 private: |
| 29 // The TaskRunner handles running tasks for this helper on the FILE thread. |
| 30 class TaskRunner; |
| 31 |
28 explicit MetroPinTabHelper(content::WebContents* tab_contents); | 32 explicit MetroPinTabHelper(content::WebContents* tab_contents); |
29 friend class content::WebContentsUserData<MetroPinTabHelper>; | 33 friend class content::WebContentsUserData<MetroPinTabHelper>; |
30 | 34 |
31 // Queries the metro driver about the pinned state of the current URL. | 35 // Queries the metro driver about the pinned state of the current URL. |
32 void UpdatePinnedStateForCurrentURL(); | 36 void UpdatePinnedStateForCurrentURL(); |
33 | 37 |
| 38 void UnPinPageFromStartScreen(); |
| 39 |
34 // Whether the current URL is pinned to the metro start screen. | 40 // Whether the current URL is pinned to the metro start screen. |
35 bool is_pinned_; | 41 bool is_pinned_; |
36 | 42 |
| 43 // The task runner for the helper, which runs things for it on the FILE |
| 44 // thread. |
| 45 scoped_refptr<TaskRunner> task_runner_; |
| 46 |
37 DISALLOW_COPY_AND_ASSIGN(MetroPinTabHelper); | 47 DISALLOW_COPY_AND_ASSIGN(MetroPinTabHelper); |
38 }; | 48 }; |
39 | 49 |
40 #endif // CHROME_BROWSER_UI_METRO_PIN_TAB_HELPER_H_ | 50 #endif // CHROME_BROWSER_UI_METRO_PIN_TAB_HELPER_WIN_H_ |
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