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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_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <set> | 9 #include <set> |
10 #include <string> | 10 #include <string> |
11 #include <vector> | 11 #include <vector> |
12 | 12 |
13 #include "base/observer_list.h" | |
14 #include "base/memory/scoped_ptr.h" | |
15 #include "base/memory/weak_ptr.h" | |
16 #include "ui/base/animation/linear_animation.h" | |
17 #include "third_party/skia/include/core/SkBitmap.h" | |
18 | |
13 class ExtensionAction; | 19 class ExtensionAction; |
20 class SkDevice; | |
21 | |
22 namespace ui { | |
23 class Animation; | |
24 class AnimationDelegate; | |
25 } | |
14 | 26 |
15 namespace extensions { | 27 namespace extensions { |
16 | 28 |
17 // Interface for a class that controls the the extension icons that show up in | 29 // Interface for a class that controls the the extension icons that show up in |
18 // the location bar. Depending on switches, these icons can have differing | 30 // the location bar. Depending on switches, these icons can have differing |
19 // behavior. | 31 // behavior. |
20 class LocationBarController { | 32 class LocationBarController { |
21 public: | 33 public: |
22 // The reaction that the UI should take after executing |OnClicked|. | 34 // The reaction that the UI should take after executing |OnClicked|. |
23 enum Action { | 35 enum Action { |
24 ACTION_NONE, | 36 ACTION_NONE, |
25 ACTION_SHOW_POPUP, | 37 ACTION_SHOW_POPUP, |
26 ACTION_SHOW_CONTEXT_MENU, | 38 ACTION_SHOW_CONTEXT_MENU, |
27 }; | 39 }; |
28 | 40 |
41 // A fade-in animation for the items that appear in the locaion bar. These | |
Yoyo Zhou
2012/06/22 00:50:29
typo: location
not at google - send to devlin
2012/06/26 07:30:47
Done.
| |
42 // are designed to be owned by a LocationBarController (with a tab lifespan), | |
43 // but used by objects with an unprecictable lifespan in the UI, hence | |
Yoyo Zhou
2012/06/22 00:50:29
typo: unpredictable
not at google - send to devlin
2012/06/26 07:30:47
Done.
not at google - send to devlin
2012/06/26 07:30:47
Done.
| |
44 // the weak reference support. | |
45 class IconAnimation : public ui::LinearAnimation, | |
46 public base::SupportsWeakPtr<IconAnimation> { | |
47 public: | |
48 // Observes changes to icon animation state. | |
49 class Observer { | |
50 public: | |
51 virtual void OnIconChanged(const IconAnimation& animation, | |
52 LocationBarController* location_bar) = 0; | |
53 | |
54 protected: | |
55 virtual ~Observer() {} | |
56 }; | |
57 | |
58 // It's only useful to construct these from LocationBarController | |
59 // implementations. Use LocationBarController::GetIconAnimation. | |
60 IconAnimation(LocationBarController* owner, | |
61 ui::AnimationDelegate* delegate); | |
62 virtual ~IconAnimation(); | |
63 | |
64 // Returns the icon derived from the current animation state applied to | |
65 // |icon|. Ownership remains with this. | |
66 const SkBitmap& Apply(const SkBitmap& icon) const; | |
67 | |
68 void AddObserver(Observer* observer); | |
69 void RemoveObserver(Observer* observer); | |
70 | |
71 private: | |
72 // ui::LinearAnimation implementation. | |
73 virtual void AnimateToState(double state) OVERRIDE; | |
74 | |
75 // Owning LocationBarController to give to observers. | |
76 LocationBarController* owner_; | |
77 | |
78 // Device we use to paint icons to. | |
79 mutable scoped_ptr<SkDevice> device_; | |
80 | |
81 ObserverList<Observer> observers_; | |
82 | |
83 DISALLOW_COPY_AND_ASSIGN(IconAnimation); | |
84 }; | |
85 | |
29 virtual ~LocationBarController() {} | 86 virtual ~LocationBarController() {} |
30 | 87 |
31 // Utility to add any actions to |out| which aren't present in |actions|. | 88 // Gets the action data for all extensions. |
32 static void AddMissingActions( | 89 virtual std::vector<ExtensionAction*> GetCurrentActions() const = 0; |
33 const std::set<ExtensionAction*>& actions, | |
34 std::vector<ExtensionAction*>* out); | |
35 | 90 |
36 // Gets the action data for all extensions. | 91 // Gets the icon animation for an ExtensionAction, if there is one. |
37 virtual std::vector<ExtensionAction*> GetCurrentActions() = 0; | 92 virtual base::WeakPtr<IconAnimation> GetIconAnimation( |
93 const ExtensionAction* action) const = 0; | |
38 | 94 |
39 // Notifies this that the badge for an extension has been clicked with some | 95 // Notifies this that the badge for an extension has been clicked with some |
40 // mouse button (1 for left, 2 for middle, and 3 for right click), and | 96 // mouse button (1 for left, 2 for middle, and 3 for right click), and |
41 // returns the action that should be taken in response (if any). | 97 // returns the action that should be taken in response (if any). |
42 // TODO(kalman): make mouse_button an enum. | 98 // TODO(kalman): make mouse_button an enum. |
43 virtual Action OnClicked(const std::string& extension_id, | 99 virtual Action OnClicked(const std::string& extension_id, |
44 int mouse_button) = 0; | 100 int mouse_button) = 0; |
45 }; | 101 }; |
46 | 102 |
47 } // namespace extensions | 103 } // namespace extensions |
48 | 104 |
49 #endif // CHROME_BROWSER_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_ | 105 #endif // CHROME_BROWSER_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_ |
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