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Side by Side Diff: ui/views/widget/hwnd_message_handler_delegate.h

Issue 10828397: Revert 152374 - Move more message handlers from NativeWidgetWin to HWNDMessageHandler. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 8 years, 4 months ago
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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 UI_VIEWS_WIDGET_HWND_MESSAGE_HANDLER_DELEGATE_H_ 5 #ifndef UI_VIEWS_WIDGET_HWND_MESSAGE_HANDLER_DELEGATE_H_
6 #define UI_VIEWS_WIDGET_HWND_MESSAGE_HANDLER_DELEGATE_H_ 6 #define UI_VIEWS_WIDGET_HWND_MESSAGE_HANDLER_DELEGATE_H_
7 7
8 #include "ui/views/views_export.h" 8 #include "ui/views/views_export.h"
9 9
10 namespace gfx {
11 class Path;
12 class Point;
13 class Size;
14 }
15
16 namespace views { 10 namespace views {
17 11
18 class InputMethod; 12 class InputMethod;
19 class NativeWidgetWin; 13 class NativeWidgetWin;
20 14
21 // Implemented by the object that uses the HWNDMessageHandler to handle 15 // Implemented by the object that uses the HWNDMessageHandler to handle
22 // notifications from the underlying HWND and service requests for data. 16 // notifications from the underlying HWND and service requests for data.
23 class VIEWS_EXPORT HWNDMessageHandlerDelegate { 17 class VIEWS_EXPORT HWNDMessageHandlerDelegate {
24 public: 18 public:
25 virtual bool IsWidgetWindow() const = 0; 19 virtual bool IsWidgetWindow() const = 0;
26 20
27 // TODO(beng): resolve this more satisfactorily vis-a-vis ShouldUseNativeFrame 21 // TODO(beng): resolve this more satisfactorily vis-a-vis ShouldUseNativeFrame
28 // to avoid confusion. 22 // to avoid confusion.
29 virtual bool IsUsingCustomFrame() const = 0; 23 virtual bool IsUsingCustomFrame() const = 0;
30 24
31 virtual bool CanResize() const = 0;
32 virtual bool CanMaximize() const = 0;
33 virtual bool CanActivate() const = 0;
34
35 virtual int GetNonClientComponent(const gfx::Point& point) const = 0;
36 virtual void GetWindowMask(const gfx::Size& size, gfx::Path* mask) = 0;
37
38 virtual InputMethod* GetInputMethod() = 0; 25 virtual InputMethod* GetInputMethod() = 0;
39 26
40 // TODO(beng): Investigate migrating these methods to On* prefixes once 27 // TODO(beng): Investigate migrating these methods to On* prefixes once
41 // HWNDMessageHandler is the WindowImpl. 28 // HWNDMessageHandler is the WindowImpl.
42 29
43 // Called when another app was activated. 30 // Called when another app was activated.
44 virtual void HandleAppDeactivated() = 0; 31 virtual void HandleAppDeactivated() = 0;
45 32
46 // Called when a well known "app command" from the system was performed. 33 // Called when a well known "app command" from the system was performed.
47 // Returns true if the command was handled. 34 // Returns true if the command was handled.
(...skipping 19 matching lines...) Expand all
67 virtual void HandleGlassModeChange() = 0; 54 virtual void HandleGlassModeChange() = 0;
68 55
69 // Called when the user begins or ends a size/move operation using the window 56 // Called when the user begins or ends a size/move operation using the window
70 // manager. 57 // manager.
71 virtual void HandleBeginWMSizeMove() = 0; 58 virtual void HandleBeginWMSizeMove() = 0;
72 virtual void HandleEndWMSizeMove() = 0; 59 virtual void HandleEndWMSizeMove() = 0;
73 60
74 // Called when the window's position changed. 61 // Called when the window's position changed.
75 virtual void HandleMove() = 0; 62 virtual void HandleMove() = 0;
76 63
77 // Called when focus shifted to this HWND from |last_focused_window|.
78 virtual void HandleNativeFocus(HWND last_focused_window) = 0;
79
80 // Called when focus shifted from the HWND to a different window.
81 virtual void HandleNativeBlur(HWND focused_window) = 0;
82
83 // This is provided for methods that need to call private methods on NWW. 64 // This is provided for methods that need to call private methods on NWW.
84 // TODO(beng): should be removed once HWNDMessageHandler is the WindowImpl. 65 // TODO(beng): should be removed once HWNDMessageHandler is the WindowImpl.
85 virtual NativeWidgetWin* AsNativeWidgetWin() = 0; 66 virtual NativeWidgetWin* AsNativeWidgetWin() = 0;
86 67
87 protected: 68 protected:
88 virtual ~HWNDMessageHandlerDelegate() {} 69 virtual ~HWNDMessageHandlerDelegate() {}
89 }; 70 };
90 71
91 } // namespace views 72 } // namespace views
92 73
93 #endif // UI_VIEWS_WIDGET_HWND_MESSAGE_HANDLER_DELEGATE_H_ 74 #endif // UI_VIEWS_WIDGET_HWND_MESSAGE_HANDLER_DELEGATE_H_
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