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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #include "views/controls/native/native_view_host.h" | 5 #include "views/controls/native/native_view_host.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "ui/gfx/canvas.h" | 8 #include "ui/gfx/canvas.h" |
9 #include "views/controls/native/native_view_host_views.h" | |
10 #include "views/controls/native/native_view_host_wrapper.h" | 9 #include "views/controls/native/native_view_host_wrapper.h" |
11 #include "views/widget/widget.h" | 10 #include "views/widget/widget.h" |
12 | 11 |
13 namespace views { | 12 namespace views { |
14 | 13 |
15 // static | 14 // static |
16 const char NativeViewHost::kViewClassName[] = "views/NativeViewHost"; | 15 const char NativeViewHost::kViewClassName[] = "views/NativeViewHost"; |
17 | 16 |
18 #if defined(OS_LINUX) | 17 #if defined(OS_LINUX) |
19 // GTK renders the focus. | 18 // GTK renders the focus. |
20 // static | 19 // static |
21 const bool NativeViewHost::kRenderNativeControlFocus = false; | 20 const bool NativeViewHost::kRenderNativeControlFocus = false; |
22 #else | 21 #else |
23 // static | 22 // static |
24 const bool NativeViewHost::kRenderNativeControlFocus = true; | 23 const bool NativeViewHost::kRenderNativeControlFocus = true; |
25 #endif | 24 #endif |
26 | 25 |
27 //////////////////////////////////////////////////////////////////////////////// | 26 //////////////////////////////////////////////////////////////////////////////// |
28 // NativeViewHost, public: | 27 // NativeViewHost, public: |
29 | 28 |
30 NativeViewHost::NativeViewHost() | 29 NativeViewHost::NativeViewHost() |
31 : native_view_(NULL), | 30 : native_view_(NULL), |
32 views_view_(NULL), | |
33 fast_resize_(false), | 31 fast_resize_(false), |
34 fast_resize_at_last_layout_(false), | 32 fast_resize_at_last_layout_(false), |
35 focus_view_(NULL) { | 33 focus_view_(NULL) { |
36 } | 34 } |
37 | 35 |
38 NativeViewHost::~NativeViewHost() { | 36 NativeViewHost::~NativeViewHost() { |
39 } | 37 } |
40 | 38 |
41 void NativeViewHost::Attach(gfx::NativeView native_view) { | 39 void NativeViewHost::Attach(gfx::NativeView native_view) { |
42 DCHECK(native_view); | 40 DCHECK(native_view); |
43 DCHECK(!native_view_); | 41 DCHECK(!native_view_); |
44 DCHECK(!views_view_); | |
45 native_view_ = native_view; | 42 native_view_ = native_view; |
46 // If set_focus_view() has not been invoked, this view is the one that should | 43 // If set_focus_view() has not been invoked, this view is the one that should |
47 // be seen as focused when the native view receives focus. | 44 // be seen as focused when the native view receives focus. |
48 if (!focus_view_) | 45 if (!focus_view_) |
49 focus_view_ = this; | 46 focus_view_ = this; |
50 native_wrapper_->NativeViewAttached(); | 47 native_wrapper_->NativeViewAttached(); |
51 } | 48 } |
52 | 49 |
53 void NativeViewHost::AttachToView(View* view) { | |
54 if (view == views_view_) | |
55 return; | |
56 DCHECK(view); | |
57 DCHECK(!native_view_); | |
58 DCHECK(!views_view_); | |
59 native_wrapper_.reset(new NativeViewHostViews(this)); | |
60 views_view_ = view; | |
61 // If set_focus_view() has not been invoked, this view is the one that should | |
62 // be seen as focused when the native view receives focus. | |
63 if (!focus_view_) | |
64 focus_view_ = this; | |
65 native_wrapper_->NativeViewAttached(); | |
66 } | |
67 | |
68 void NativeViewHost::Detach() { | 50 void NativeViewHost::Detach() { |
69 Detach(false); | 51 Detach(false); |
70 } | 52 } |
71 | 53 |
72 void NativeViewHost::SetPreferredSize(const gfx::Size& size) { | 54 void NativeViewHost::SetPreferredSize(const gfx::Size& size) { |
73 preferred_size_ = size; | 55 preferred_size_ = size; |
74 PreferredSizeChanged(); | 56 PreferredSizeChanged(); |
75 } | 57 } |
76 | 58 |
77 void NativeViewHost::NativeViewDestroyed() { | 59 void NativeViewHost::NativeViewDestroyed() { |
78 // Detach so we can clear our state and notify the native_wrapper_ to release | 60 // Detach so we can clear our state and notify the native_wrapper_ to release |
79 // ref on the native view. | 61 // ref on the native view. |
80 Detach(true); | 62 Detach(true); |
81 } | 63 } |
82 | 64 |
83 //////////////////////////////////////////////////////////////////////////////// | 65 //////////////////////////////////////////////////////////////////////////////// |
84 // NativeViewHost, View overrides: | 66 // NativeViewHost, View overrides: |
85 | 67 |
86 gfx::Size NativeViewHost::GetPreferredSize() { | 68 gfx::Size NativeViewHost::GetPreferredSize() { |
87 return preferred_size_; | 69 return preferred_size_; |
88 } | 70 } |
89 | 71 |
90 void NativeViewHost::Layout() { | 72 void NativeViewHost::Layout() { |
91 if ((!native_view_ && !views_view_) || !native_wrapper_.get()) | 73 if (!native_view_ || !native_wrapper_.get()) |
92 return; | 74 return; |
93 | 75 |
94 gfx::Rect vis_bounds = GetVisibleBounds(); | 76 gfx::Rect vis_bounds = GetVisibleBounds(); |
95 bool visible = !vis_bounds.IsEmpty(); | 77 bool visible = !vis_bounds.IsEmpty(); |
96 | 78 |
97 if (visible && !fast_resize_) { | 79 if (visible && !fast_resize_) { |
98 if (vis_bounds.size() != size()) { | 80 if (vis_bounds.size() != size()) { |
99 // Only a portion of the Widget is really visible. | 81 // Only a portion of the Widget is really visible. |
100 int x = vis_bounds.x(); | 82 int x = vis_bounds.x(); |
101 int y = vis_bounds.y(); | 83 int y = vis_bounds.y(); |
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190 return accessible_view; | 172 return accessible_view; |
191 } | 173 } |
192 | 174 |
193 return View::GetNativeViewAccessible(); | 175 return View::GetNativeViewAccessible(); |
194 } | 176 } |
195 | 177 |
196 //////////////////////////////////////////////////////////////////////////////// | 178 //////////////////////////////////////////////////////////////////////////////// |
197 // NativeViewHost, private: | 179 // NativeViewHost, private: |
198 | 180 |
199 void NativeViewHost::Detach(bool destroyed) { | 181 void NativeViewHost::Detach(bool destroyed) { |
200 if (native_view_ || views_view_) { | 182 if (native_view_) { |
201 native_wrapper_->NativeViewDetaching(destroyed); | 183 native_wrapper_->NativeViewDetaching(destroyed); |
202 native_view_ = NULL; | 184 native_view_ = NULL; |
203 views_view_ = NULL; | |
204 } | 185 } |
205 } | 186 } |
206 | 187 |
207 } // namespace views | 188 } // namespace views |
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