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Side by Side Diff: views/window/dialog_delegate.h

Issue 6622002: Do all OOLing in the views code. linux_views now builds clean with the clang plugin. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 9 years, 9 months ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 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 VIEWS_WINDOW_DIALOG_DELEGATE_H_ 5 #ifndef VIEWS_WINDOW_DIALOG_DELEGATE_H_
6 #define VIEWS_WINDOW_DIALOG_DELEGATE_H_ 6 #define VIEWS_WINDOW_DIALOG_DELEGATE_H_
7 #pragma once 7 #pragma once
8 8
9 #include "ui/base/message_box_flags.h" 9 #include "ui/base/message_box_flags.h"
10 #include "views/accessibility/accessibility_types.h" 10 #include "views/accessibility/accessibility_types.h"
(...skipping 11 matching lines...) Expand all
22 // DialogDelegate 22 // DialogDelegate
23 // 23 //
24 // DialogDelegate is an interface implemented by objects that wish to show a 24 // DialogDelegate is an interface implemented by objects that wish to show a
25 // dialog box Window. The window that is displayed uses this interface to 25 // dialog box Window. The window that is displayed uses this interface to
26 // determine how it should be displayed and notify the delegate object of 26 // determine how it should be displayed and notify the delegate object of
27 // certain events. 27 // certain events.
28 // 28 //
29 /////////////////////////////////////////////////////////////////////////////// 29 ///////////////////////////////////////////////////////////////////////////////
30 class DialogDelegate : public WindowDelegate { 30 class DialogDelegate : public WindowDelegate {
31 public: 31 public:
32 virtual DialogDelegate* AsDialogDelegate() { return this; } 32 virtual DialogDelegate* AsDialogDelegate();
33 33
34 // Returns a mask specifying which of the available DialogButtons are visible 34 // Returns a mask specifying which of the available DialogButtons are visible
35 // for the dialog. Note: If an OK button is provided, you should provide a 35 // for the dialog. Note: If an OK button is provided, you should provide a
36 // CANCEL button. A dialog box with just an OK button is frowned upon and 36 // CANCEL button. A dialog box with just an OK button is frowned upon and
37 // considered a very special case, so if you're planning on including one, 37 // considered a very special case, so if you're planning on including one,
38 // you should reconsider, or beng says there will be stabbings. 38 // you should reconsider, or beng says there will be stabbings.
39 // 39 //
40 // To use the extra button you need to override GetDialogButtons() 40 // To use the extra button you need to override GetDialogButtons()
41 virtual int GetDialogButtons() const { 41 virtual int GetDialogButtons() const;
42 return ui::MessageBoxFlags::DIALOGBUTTON_OK |
43 ui::MessageBoxFlags::DIALOGBUTTON_CANCEL;
44 }
45 42
46 // Returns whether accelerators are enabled on the button. This is invoked 43 // Returns whether accelerators are enabled on the button. This is invoked
47 // when an accelerator is pressed, not at construction time. This 44 // when an accelerator is pressed, not at construction time. This
48 // returns true. 45 // returns true.
49 virtual bool AreAcceleratorsEnabled( 46 virtual bool AreAcceleratorsEnabled(
50 ui::MessageBoxFlags::DialogButton button) { 47 ui::MessageBoxFlags::DialogButton button);
51 return true;
52 }
53 48
54 // Returns the label of the specified DialogButton. 49 // Returns the label of the specified DialogButton.
55 virtual std::wstring GetDialogButtonLabel( 50 virtual std::wstring GetDialogButtonLabel(
56 ui::MessageBoxFlags::DialogButton button) const { 51 ui::MessageBoxFlags::DialogButton button) const;
57 // empty string results in defaults for
58 // ui::MessageBoxFlags::DIALOGBUTTON_OK,
59 // ui::MessageBoxFlags::DIALOGBUTTON_CANCEL.
60 return L"";
61 }
62 52
63 // Override this function if with a view which will be shown in the same 53 // Override this function if with a view which will be shown in the same
64 // row as the OK and CANCEL buttons but flush to the left and extending 54 // row as the OK and CANCEL buttons but flush to the left and extending
65 // up to the buttons. 55 // up to the buttons.
66 virtual View* GetExtraView() { return NULL; } 56 virtual View* GetExtraView();
67 57
68 // Returns whether the height of the extra view should be at least as tall as 58 // Returns whether the height of the extra view should be at least as tall as
69 // the buttons. The default (false) is to give the extra view it's preferred 59 // the buttons. The default (false) is to give the extra view it's preferred
70 // height. By returning true the height becomes 60 // height. By returning true the height becomes
71 // max(extra_view preferred height, buttons preferred height). 61 // max(extra_view preferred height, buttons preferred height).
72 virtual bool GetSizeExtraViewHeightToButtons() { return false; } 62 virtual bool GetSizeExtraViewHeightToButtons();
73 63
74 // Returns the default dialog button. This should not be a mask as only 64 // Returns the default dialog button. This should not be a mask as only
75 // one button should ever be the default button. Return 65 // one button should ever be the default button. Return
76 // ui::MessageBoxFlags::DIALOGBUTTON_NONE if there is no default. Default 66 // ui::MessageBoxFlags::DIALOGBUTTON_NONE if there is no default. Default
77 // behavior is to return ui::MessageBoxFlags::DIALOGBUTTON_OK or 67 // behavior is to return ui::MessageBoxFlags::DIALOGBUTTON_OK or
78 // ui::MessageBoxFlags::DIALOGBUTTON_CANCEL (in that order) if they are 68 // ui::MessageBoxFlags::DIALOGBUTTON_CANCEL (in that order) if they are
79 // present, ui::MessageBoxFlags::DIALOGBUTTON_NONE otherwise. 69 // present, ui::MessageBoxFlags::DIALOGBUTTON_NONE otherwise.
80 virtual int GetDefaultDialogButton() const; 70 virtual int GetDefaultDialogButton() const;
81 71
82 // Returns whether the specified dialog button is enabled. 72 // Returns whether the specified dialog button is enabled.
83 virtual bool IsDialogButtonEnabled( 73 virtual bool IsDialogButtonEnabled(
84 ui::MessageBoxFlags::DialogButton button) const { 74 ui::MessageBoxFlags::DialogButton button) const;
85 return true;
86 }
87 75
88 // Returns whether the specified dialog button is visible. 76 // Returns whether the specified dialog button is visible.
89 virtual bool IsDialogButtonVisible( 77 virtual bool IsDialogButtonVisible(
90 ui::MessageBoxFlags::DialogButton button) const { 78 ui::MessageBoxFlags::DialogButton button) const;
91 return true;
92 }
93 79
94 // For Dialog boxes, if there is a "Cancel" button, this is called when the 80 // For Dialog boxes, if there is a "Cancel" button, this is called when the
95 // user presses the "Cancel" button or the Close button on the window or 81 // user presses the "Cancel" button or the Close button on the window or
96 // in the system menu, or presses the Esc key. This function should return 82 // in the system menu, or presses the Esc key. This function should return
97 // true if the window can be closed after it returns, or false if it must 83 // true if the window can be closed after it returns, or false if it must
98 // remain open. 84 // remain open.
99 virtual bool Cancel() { return true; } 85 virtual bool Cancel();
100 86
101 // For Dialog boxes, this is called when the user presses the "OK" button, 87 // For Dialog boxes, this is called when the user presses the "OK" button,
102 // or the Enter key. Can also be called on Esc key or close button 88 // or the Enter key. Can also be called on Esc key or close button
103 // presses if there is no "Cancel" button. This function should return 89 // presses if there is no "Cancel" button. This function should return
104 // true if the window can be closed after the window can be closed after 90 // true if the window can be closed after the window can be closed after
105 // it returns, or false if it must remain open. If |window_closing| is 91 // it returns, or false if it must remain open. If |window_closing| is
106 // true, it means that this handler is being called because the window is 92 // true, it means that this handler is being called because the window is
107 // being closed (e.g. by Window::Close) and there is no Cancel handler, 93 // being closed (e.g. by Window::Close) and there is no Cancel handler,
108 // so Accept is being called instead. 94 // so Accept is being called instead.
109 virtual bool Accept(bool window_closing) { return Accept(); } 95 virtual bool Accept(bool window_closing);
110 virtual bool Accept() { return true; } 96 virtual bool Accept();
111 97
112 // Overridden from WindowDelegate: 98 // Overridden from WindowDelegate:
113 virtual View* GetInitiallyFocusedView(); 99 virtual View* GetInitiallyFocusedView();
114 100
115 // Overridden from WindowDelegate: 101 // Overridden from WindowDelegate:
116 virtual ClientView* CreateClientView(Window* window); 102 virtual ClientView* CreateClientView(Window* window);
117 103
118 // Called when the window has been closed. 104 // Called when the window has been closed.
119 virtual void OnClose() {} 105 virtual void OnClose() {}
120 106
121 // A helper for accessing the DialogClientView object contained by this 107 // A helper for accessing the DialogClientView object contained by this
122 // delegate's Window. 108 // delegate's Window.
123 DialogClientView* GetDialogClientView() const; 109 DialogClientView* GetDialogClientView() const;
124 110
125 private: 111 private:
126 // Overridden from WindowDelegate: 112 // Overridden from WindowDelegate:
127 AccessibilityTypes::Role accessible_role() const { 113 virtual AccessibilityTypes::Role accessible_role() const;
128 return AccessibilityTypes::ROLE_DIALOG;
129 }
130 }; 114 };
131 115
132 } // namespace views 116 } // namespace views
133 117
134 #endif // VIEWS_WINDOW_DIALOG_DELEGATE_H_ 118 #endif // VIEWS_WINDOW_DIALOG_DELEGATE_H_
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