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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_BROWSER_INSTANT_CONTROLLER_H_ | 5 #ifndef CHROME_BROWSER_UI_BROWSER_INSTANT_CONTROLLER_H_ |
6 #define CHROME_BROWSER_UI_BROWSER_INSTANT_CONTROLLER_H_ | 6 #define CHROME_BROWSER_UI_BROWSER_INSTANT_CONTROLLER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
11 #include "base/prefs/public/pref_change_registrar.h" | 11 #include "base/prefs/public/pref_change_registrar.h" |
12 #include "base/prefs/public/pref_observer.h" | 12 #include "base/prefs/public/pref_observer.h" |
13 #include "base/string16.h" | 13 #include "base/string16.h" |
14 #include "chrome/browser/instant/instant_unload_handler.h" | 14 #include "chrome/browser/instant/instant_unload_handler.h" |
15 #include "chrome/browser/ui/search/search_model_observer.h" | 15 #include "chrome/browser/ui/search/search_model_observer.h" |
16 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h" | 16 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h" |
17 #include "chrome/common/instant_types.h" | 17 #include "chrome/common/instant_types.h" |
18 #include "webkit/glue/window_open_disposition.h" | 18 #include "webkit/glue/window_open_disposition.h" |
| 19 #include "content/public/browser/notification_observer.h" |
| 20 #include "content/public/browser/notification_registrar.h" |
19 | 21 |
20 class Browser; | 22 class Browser; |
21 class InstantController; | 23 class InstantController; |
22 class InstantTest; | 24 class InstantTest; |
23 class TabContents; | 25 class TabContents; |
24 | 26 |
25 namespace gfx { | 27 namespace gfx { |
26 class Rect; | 28 class Rect; |
27 } | 29 } |
28 | 30 |
| 31 namespace ui { |
| 32 class ThemeProvider; |
| 33 }; |
| 34 |
29 namespace chrome { | 35 namespace chrome { |
30 | 36 |
31 class BrowserInstantController : public TabStripModelObserver, | 37 class BrowserInstantController : public TabStripModelObserver, |
32 public search::SearchModelObserver, | 38 public search::SearchModelObserver, |
33 public PrefObserver { | 39 public PrefObserver, |
| 40 public content::NotificationObserver { |
34 public: | 41 public: |
35 explicit BrowserInstantController(Browser* browser); | 42 explicit BrowserInstantController(Browser* browser); |
36 virtual ~BrowserInstantController(); | 43 virtual ~BrowserInstantController(); |
37 | 44 |
38 // Commits the current Instant, returning true on success. This is intended | 45 // Commits the current Instant, returning true on success. This is intended |
39 // for use from OpenCurrentURL. | 46 // for use from OpenCurrentURL. |
40 bool OpenInstant(WindowOpenDisposition disposition); | 47 bool OpenInstant(WindowOpenDisposition disposition); |
41 | 48 |
42 // Returns the InstantController or NULL if there is no InstantController for | 49 // Returns the InstantController or NULL if there is no InstantController for |
43 // this BrowserInstantController. | 50 // this BrowserInstantController. |
(...skipping 11 matching lines...) Expand all Loading... |
55 gfx::Rect GetInstantBounds(); | 62 gfx::Rect GetInstantBounds(); |
56 | 63 |
57 // Invoked by |instant_| to notify that the preview gained focus, usually due | 64 // Invoked by |instant_| to notify that the preview gained focus, usually due |
58 // to the user clicking on it. | 65 // to the user clicking on it. |
59 void InstantPreviewFocused(); | 66 void InstantPreviewFocused(); |
60 | 67 |
61 // Invoked by |instant_| to get the currently active tab, over which the | 68 // Invoked by |instant_| to get the currently active tab, over which the |
62 // preview would be shown. | 69 // preview would be shown. |
63 TabContents* GetActiveTabContents() const; | 70 TabContents* GetActiveTabContents() const; |
64 | 71 |
| 72 // Invoked by |BrowserWindow| during layout to set content height which is |
| 73 // used as theme area height, i.e. the height of the area that the entire |
| 74 // theme background image should fill up. |
| 75 void SetContentHeight(int height); |
| 76 |
| 77 // Invoked by |instant_| to update theme-related information in preview. |
| 78 void UpdateThemeRelatedInfoForPreview(); |
| 79 |
65 // Overridden from PrefObserver: | 80 // Overridden from PrefObserver: |
66 virtual void OnPreferenceChanged(PrefServiceBase* service, | 81 virtual void OnPreferenceChanged(PrefServiceBase* service, |
67 const std::string& pref_name) OVERRIDE; | 82 const std::string& pref_name) OVERRIDE; |
68 | 83 |
69 // Overridden from TabStripModelObserver: | 84 // Overridden from TabStripModelObserver: |
70 virtual void ActiveTabChanged(content::WebContents* old_contents, | 85 virtual void ActiveTabChanged(content::WebContents* old_contents, |
71 content::WebContents* new_contents, | 86 content::WebContents* new_contents, |
72 int index, | 87 int index, |
73 bool user_gesture) OVERRIDE; | 88 bool user_gesture) OVERRIDE; |
74 | 89 |
75 // Overridden from search::SearchModelObserver: | 90 // Overridden from search::SearchModelObserver: |
76 virtual void ModeChanged(const search::Mode& old_mode, | 91 virtual void ModeChanged(const search::Mode& old_mode, |
77 const search::Mode& new_mode) OVERRIDE; | 92 const search::Mode& new_mode) OVERRIDE; |
78 | 93 |
| 94 private: |
| 95 // content::NotificationObserver implementation. |
| 96 virtual void Observe(int type, |
| 97 const content::NotificationSource& source, |
| 98 const content::NotificationDetails& details) OVERRIDE; |
| 99 |
79 // If this browser should have Instant, a new InstantController created; | 100 // If this browser should have Instant, a new InstantController created; |
80 // otherwise any existing InstantController is destroyed. | 101 // otherwise any existing InstantController is destroyed. |
81 void ResetInstant(); | 102 void ResetInstant(); |
82 | 103 |
| 104 // Helper for handling theme change. |
| 105 void OnThemeChanged(ui::ThemeProvider* theme_provider); |
| 106 |
| 107 // Helper for handling theme area height change. |
| 108 void OnThemeAreaHeightChanged(int height); |
| 109 |
83 Browser* browser_; | 110 Browser* browser_; |
84 | 111 |
85 scoped_ptr<InstantController> instant_; | 112 scoped_ptr<InstantController> instant_; |
86 InstantUnloadHandler instant_unload_handler_; | 113 InstantUnloadHandler instant_unload_handler_; |
87 | 114 |
| 115 // Theme-related data for NTP preview to adopt themes. |
| 116 ThemeBackgroundInfo theme_info_; |
| 117 int theme_image_alignment_; |
| 118 int theme_area_height_; |
| 119 |
88 PrefChangeRegistrar profile_pref_registrar_; | 120 PrefChangeRegistrar profile_pref_registrar_; |
89 | 121 |
| 122 content::NotificationRegistrar registrar_; |
| 123 |
90 DISALLOW_COPY_AND_ASSIGN(BrowserInstantController); | 124 DISALLOW_COPY_AND_ASSIGN(BrowserInstantController); |
91 }; | 125 }; |
92 | 126 |
93 } // namespace chrome | 127 } // namespace chrome |
94 | 128 |
95 #endif // CHROME_BROWSER_UI_BROWSER_INSTANT_CONTROLLER_H_ | 129 #endif // CHROME_BROWSER_UI_BROWSER_INSTANT_CONTROLLER_H_ |
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