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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_WEBSITE_SETTINGS_CHOOSER_BUBBLE_DELEGATE_H_ | 5 #ifndef CHROME_BROWSER_UI_WEBSITE_SETTINGS_CHOOSER_BUBBLE_DELEGATE_H_ |
6 #define CHROME_BROWSER_UI_WEBSITE_SETTINGS_CHOOSER_BUBBLE_DELEGATE_H_ | 6 #define CHROME_BROWSER_UI_WEBSITE_SETTINGS_CHOOSER_BUBBLE_DELEGATE_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "base/strings/string16.h" | 11 #include "base/strings/string16.h" |
12 #include "components/bubble/bubble_delegate.h" | 12 #include "components/bubble/bubble_delegate.h" |
13 | 13 |
| 14 class Browser; |
| 15 |
14 // Subclass ChooserBubbleDelegate to implement a chooser bubble, which has | 16 // Subclass ChooserBubbleDelegate to implement a chooser bubble, which has |
15 // some introductory text and a list of options that users can pick one of. | 17 // some introductory text and a list of options that users can pick one of. |
16 // Create an instance of your subclass and pass it to | 18 // Create an instance of your subclass and pass it to |
17 // BubbleManager::ShowBubble() to show the bubble. Your subclass must define | 19 // BubbleManager::ShowBubble() to show the bubble. Your subclass must define |
18 // the set of options users can pick from; the actions taken after users | 20 // the set of options users can pick from; the actions taken after users |
19 // select an item or press the 'Cancel' button or the bubble is closed. | 21 // select an item or press the 'Cancel' button or the bubble is closed. |
20 // You can also override GetName() to identify the bubble you define for | 22 // You can also override GetName() to identify the bubble you define for |
21 // collecting metrics. | 23 // collecting metrics. |
22 // After Select/Cancel/Close is called, this object is destroyed and call back | 24 // After Select/Cancel/Close is called, this object is destroyed and call back |
23 // into it is not allowed. | 25 // into it is not allowed. |
24 class ChooserBubbleDelegate : public BubbleDelegate { | 26 class ChooserBubbleDelegate : public BubbleDelegate { |
25 public: | 27 public: |
26 ChooserBubbleDelegate(); | 28 explicit ChooserBubbleDelegate(Browser* browser); |
27 ~ChooserBubbleDelegate() override; | 29 ~ChooserBubbleDelegate() override; |
28 | 30 |
29 // Since the set of options can change while the UI is visible an | 31 // Since the set of options can change while the UI is visible an |
30 // implementation should register an observer. | 32 // implementation should register an observer. |
31 class Observer { | 33 class Observer { |
32 public: | 34 public: |
33 // Called after the options list is initialized for the first time. | 35 // Called after the options list is initialized for the first time. |
34 // OnOptionsInitialized should only be called once. | 36 // OnOptionsInitialized should only be called once. |
35 virtual void OnOptionsInitialized() = 0; | 37 virtual void OnOptionsInitialized() = 0; |
36 // Called after GetOptions()[index] has been added to the options and the | 38 // Called after GetOptions()[index] has been added to the options and the |
37 // newly added option is the last element in the options list. Calling | 39 // newly added option is the last element in the options list. Calling |
38 // GetOptions()[index] from inside a call to OnOptionAdded will see the | 40 // GetOptions()[index] from inside a call to OnOptionAdded will see the |
39 // added string since the options have already been updated. | 41 // added string since the options have already been updated. |
40 virtual void OnOptionAdded(int index) = 0; | 42 virtual void OnOptionAdded(int index) = 0; |
41 // Called when GetOptions()[index] is no longer present, and all later | 43 // Called when GetOptions()[index] is no longer present, and all later |
42 // options have been moved earlier by 1 slot. Calling GetOptions()[index] | 44 // options have been moved earlier by 1 slot. Calling GetOptions()[index] |
43 // from inside a call to OnOptionRemoved will NOT see the removed string | 45 // from inside a call to OnOptionRemoved will NOT see the removed string |
44 // since the options have already been updated. | 46 // since the options have already been updated. |
45 virtual void OnOptionRemoved(int index) = 0; | 47 virtual void OnOptionRemoved(int index) = 0; |
46 | 48 |
47 protected: | 49 protected: |
48 virtual ~Observer() {} | 50 virtual ~Observer() {} |
49 }; | 51 }; |
50 | 52 |
51 // BubbleDelegate: | 53 // BubbleDelegate: |
52 std::string GetName() const override; | 54 std::string GetName() const override; |
| 55 scoped_ptr<BubbleUi> BuildBubbleUi() override; |
53 | 56 |
54 // The set of options users can pick from. For example, it can be | 57 // The set of options users can pick from. For example, it can be |
55 // USB/Bluetooth devices names which are listed in the chooser bubble | 58 // USB/Bluetooth devices names which are listed in the chooser bubble |
56 // so that users can grant permission. | 59 // so that users can grant permission. |
57 virtual const std::vector<base::string16>& GetOptions() const = 0; | 60 virtual const std::vector<base::string16>& GetOptions() const = 0; |
58 | 61 |
59 // These three functions are called just before this object is destroyed: | 62 // These three functions are called just before this object is destroyed: |
60 // Called when the user selects the |index|th element from the dialog. | 63 // Called when the user selects the |index|th element from the dialog. |
61 virtual void Select(int index) = 0; | 64 virtual void Select(int index) = 0; |
62 // Called when the user presses the 'Cancel' button in the dialog. | 65 // Called when the user presses the 'Cancel' button in the dialog. |
63 virtual void Cancel() = 0; | 66 virtual void Cancel() = 0; |
64 // Called when the user clicks outside the dialog or the dialog otherwise | 67 // Called when the user clicks outside the dialog or the dialog otherwise |
65 // closes without the user taking an explicit action. | 68 // closes without the user taking an explicit action. |
66 virtual void Close() = 0; | 69 virtual void Close() = 0; |
67 | 70 |
68 // Only one observer may be registered at a time. | 71 // Only one observer may be registered at a time. |
69 void set_observer(Observer* observer) { observer_ = observer; } | 72 void set_observer(Observer* observer) { observer_ = observer; } |
70 Observer* observer() const { return observer_; } | 73 Observer* observer() const { return observer_; } |
71 | 74 |
72 private: | 75 private: |
| 76 Browser* browser_; |
73 Observer* observer_ = nullptr; | 77 Observer* observer_ = nullptr; |
74 | 78 |
75 DISALLOW_COPY_AND_ASSIGN(ChooserBubbleDelegate); | 79 DISALLOW_COPY_AND_ASSIGN(ChooserBubbleDelegate); |
76 }; | 80 }; |
77 | 81 |
78 #endif // CHROME_BROWSER_UI_WEBSITE_SETTINGS_CHOOSER_BUBBLE_DELEGATE_H_ | 82 #endif // CHROME_BROWSER_UI_WEBSITE_SETTINGS_CHOOSER_BUBBLE_DELEGATE_H_ |
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