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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 CONTENT_BROWSER_WEB_CONTENTS_AURA_IMAGE_WINDOW_DELEGATE_H_ | 5 #ifndef CONTENT_BROWSER_WEB_CONTENTS_AURA_IMAGE_WINDOW_DELEGATE_H_ |
6 #define CONTENT_BROWSER_WEB_CONTENTS_AURA_IMAGE_WINDOW_DELEGATE_H_ | 6 #define CONTENT_BROWSER_WEB_CONTENTS_AURA_IMAGE_WINDOW_DELEGATE_H_ |
7 | 7 |
8 #include "content/common/content_export.h" | 8 #include "content/common/content_export.h" |
9 #include "ui/aura/window_delegate.h" | 9 #include "ui/aura/window_delegate.h" |
10 #include "ui/gfx/image/image.h" | 10 #include "ui/gfx/image/image.h" |
11 #include "ui/gfx/size.h" | 11 #include "ui/gfx/size.h" |
12 | 12 |
13 namespace content { | 13 namespace content { |
14 | 14 |
15 // An ImageWindowDelegate paints an image for a Window. The delegate destroys | 15 // An ImageWindowDelegate paints an image for a Window. The delegate destroys |
16 // itself when the Window is destroyed. The delegate does not consume any event. | 16 // itself when the Window is destroyed. The delegate does not consume any event. |
17 class CONTENT_EXPORT ImageWindowDelegate : public aura::WindowDelegate { | 17 class CONTENT_EXPORT ImageWindowDelegate : public aura::WindowDelegate { |
18 public: | 18 public: |
19 ImageWindowDelegate(); | 19 ImageWindowDelegate(); |
20 | 20 |
21 void SetImage(const gfx::Image& image); | 21 void SetImage(const gfx::Image& image); |
22 bool has_image() const { return !image_.IsEmpty(); } | 22 bool has_image() const { return !image_.IsEmpty(); } |
23 | 23 |
24 protected: | 24 protected: |
25 virtual ~ImageWindowDelegate(); | 25 virtual ~ImageWindowDelegate(); |
26 | 26 |
27 // Overridden from aura::WindowDelegate: | 27 // Overridden from aura::WindowDelegate: |
28 virtual gfx::Size GetMinimumSize() const OVERRIDE; | 28 virtual gfx::Size GetMinimumSize() const override; |
29 virtual gfx::Size GetMaximumSize() const OVERRIDE; | 29 virtual gfx::Size GetMaximumSize() const override; |
30 virtual void OnBoundsChanged(const gfx::Rect& old_bounds, | 30 virtual void OnBoundsChanged(const gfx::Rect& old_bounds, |
31 const gfx::Rect& new_bounds) OVERRIDE; | 31 const gfx::Rect& new_bounds) override; |
32 virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE; | 32 virtual gfx::NativeCursor GetCursor(const gfx::Point& point) override; |
33 virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE; | 33 virtual int GetNonClientComponent(const gfx::Point& point) const override; |
34 virtual bool ShouldDescendIntoChildForEventHandling( | 34 virtual bool ShouldDescendIntoChildForEventHandling( |
35 aura::Window* child, | 35 aura::Window* child, |
36 const gfx::Point& location) OVERRIDE; | 36 const gfx::Point& location) override; |
37 virtual bool CanFocus() OVERRIDE; | 37 virtual bool CanFocus() override; |
38 virtual void OnCaptureLost() OVERRIDE; | 38 virtual void OnCaptureLost() override; |
39 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE; | 39 virtual void OnPaint(gfx::Canvas* canvas) override; |
40 virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE; | 40 virtual void OnDeviceScaleFactorChanged(float device_scale_factor) override; |
41 virtual void OnWindowDestroying(aura::Window* window) OVERRIDE; | 41 virtual void OnWindowDestroying(aura::Window* window) override; |
42 virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE; | 42 virtual void OnWindowDestroyed(aura::Window* window) override; |
43 virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE; | 43 virtual void OnWindowTargetVisibilityChanged(bool visible) override; |
44 virtual bool HasHitTestMask() const OVERRIDE; | 44 virtual bool HasHitTestMask() const override; |
45 virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE; | 45 virtual void GetHitTestMask(gfx::Path* mask) const override; |
46 | 46 |
47 protected: | 47 protected: |
48 gfx::Image image_; | 48 gfx::Image image_; |
49 gfx::Size window_size_; | 49 gfx::Size window_size_; |
50 | 50 |
51 // Keeps track of whether the window size matches the image size or not. If | 51 // Keeps track of whether the window size matches the image size or not. If |
52 // the image size is smaller than the window size, then the delegate paints a | 52 // the image size is smaller than the window size, then the delegate paints a |
53 // white background for the missing regions. | 53 // white background for the missing regions. |
54 bool size_mismatch_; | 54 bool size_mismatch_; |
55 | 55 |
56 DISALLOW_COPY_AND_ASSIGN(ImageWindowDelegate); | 56 DISALLOW_COPY_AND_ASSIGN(ImageWindowDelegate); |
57 }; | 57 }; |
58 | 58 |
59 } // namespace content | 59 } // namespace content |
60 | 60 |
61 #endif // CONTENT_BROWSER_WEB_CONTENTS_AURA_IMAGE_WINDOW_DELEGATE_H_ | 61 #endif // CONTENT_BROWSER_WEB_CONTENTS_AURA_IMAGE_WINDOW_DELEGATE_H_ |
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