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1 // Copyright (c) 2014 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2014 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_RENDERER_HOST_LEGACY_RENDER_WIDGET_HOST_WIN_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_LEGACY_RENDER_WIDGET_HOST_WIN_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_LEGACY_RENDER_WIDGET_HOST_WIN_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_LEGACY_RENDER_WIDGET_HOST_WIN_H_ |
7 | 7 |
8 #include <atlbase.h> | 8 #include <atlbase.h> |
9 #include <atlcrack.h> | 9 #include <atlcrack.h> |
10 #include <atlwin.h> | 10 #include <atlwin.h> |
11 #include <oleacc.h> | 11 #include <oleacc.h> |
12 | 12 |
13 #include <memory> | 13 #include <memory> |
14 | 14 |
15 #include "base/macros.h" | 15 #include "base/macros.h" |
16 #include "base/win/scoped_comptr.h" | 16 #include "base/win/scoped_comptr.h" |
17 #include "content/common/content_export.h" | 17 #include "content/common/content_export.h" |
18 #include "ui/gfx/geometry/rect.h" | 18 #include "ui/gfx/geometry/rect.h" |
19 | 19 |
20 namespace gfx { | 20 namespace gfx { |
21 namespace win { | 21 namespace win { |
22 class DirectManipulationHelper; | 22 class DirectManipulationHelper; |
23 } // namespace win | 23 } // namespace win |
24 } // namespace gfx | 24 } // namespace gfx |
25 | 25 |
26 namespace ui { | 26 namespace ui { |
27 class AXFakeCaretWin; | 27 class AXSystemCaretWin; |
28 class WindowEventTarget; | 28 class WindowEventTarget; |
29 } | 29 } |
30 | 30 |
31 namespace content { | 31 namespace content { |
32 class RenderWidgetHostViewAura; | 32 class RenderWidgetHostViewAura; |
33 | 33 |
34 // Reasons for the existence of this class outlined below:- | 34 // Reasons for the existence of this class outlined below:- |
35 // 1. Some screen readers expect every tab / every unique web content container | 35 // 1. Some screen readers expect every tab / every unique web content container |
36 // to be in its own HWND with class name Chrome_RenderWidgetHostHWND. | 36 // to be in its own HWND with class name Chrome_RenderWidgetHostHWND. |
37 // With Aura there is one main HWND which comprises the whole browser window | 37 // With Aura there is one main HWND which comprises the whole browser window |
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114 | 114 |
115 // Resizes the window to the bounds passed in. | 115 // Resizes the window to the bounds passed in. |
116 void SetBounds(const gfx::Rect& bounds); | 116 void SetBounds(const gfx::Rect& bounds); |
117 | 117 |
118 // The pointer to the containing RenderWidgetHostViewAura instance is passed | 118 // The pointer to the containing RenderWidgetHostViewAura instance is passed |
119 // here. | 119 // here. |
120 void set_host(RenderWidgetHostViewAura* host) { | 120 void set_host(RenderWidgetHostViewAura* host) { |
121 host_ = host; | 121 host_ = host; |
122 } | 122 } |
123 | 123 |
124 // Changes the position of the fake caret. | 124 // Changes the position of the system caret used for accessibility. |
125 void MoveCaretTo(const gfx::Rect& bounds); | 125 void MoveCaretTo(const gfx::Rect& bounds); |
126 | 126 |
127 protected: | 127 protected: |
128 void OnFinalMessage(HWND hwnd) override; | 128 void OnFinalMessage(HWND hwnd) override; |
129 | 129 |
130 private: | 130 private: |
131 explicit LegacyRenderWidgetHostHWND(HWND parent); | 131 explicit LegacyRenderWidgetHostHWND(HWND parent); |
132 ~LegacyRenderWidgetHostHWND() override; | 132 ~LegacyRenderWidgetHostHWND() override; |
133 | 133 |
134 bool Init(); | 134 bool Init(); |
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157 LRESULT OnWindowPosChanged(UINT message, WPARAM w_param, LPARAM l_param); | 157 LRESULT OnWindowPosChanged(UINT message, WPARAM w_param, LPARAM l_param); |
158 | 158 |
159 base::win::ScopedComPtr<IAccessible> window_accessible_; | 159 base::win::ScopedComPtr<IAccessible> window_accessible_; |
160 | 160 |
161 // Set to true if we turned on mouse tracking. | 161 // Set to true if we turned on mouse tracking. |
162 bool mouse_tracking_enabled_; | 162 bool mouse_tracking_enabled_; |
163 | 163 |
164 RenderWidgetHostViewAura* host_; | 164 RenderWidgetHostViewAura* host_; |
165 | 165 |
166 // Some assistive software need to track the location of the caret. | 166 // Some assistive software need to track the location of the caret. |
167 std::unique_ptr<ui::AXFakeCaretWin> ax_fake_caret_; | 167 std::unique_ptr<ui::AXSystemCaretWin> ax_system_caret_; |
168 | 168 |
169 // This class provides functionality to register the legacy window as a | 169 // This class provides functionality to register the legacy window as a |
170 // Direct Manipulation consumer. This allows us to support smooth scroll | 170 // Direct Manipulation consumer. This allows us to support smooth scroll |
171 // in Chrome on Windows 10. | 171 // in Chrome on Windows 10. |
172 std::unique_ptr<gfx::win::DirectManipulationHelper> | 172 std::unique_ptr<gfx::win::DirectManipulationHelper> |
173 direct_manipulation_helper_; | 173 direct_manipulation_helper_; |
174 | 174 |
175 DISALLOW_COPY_AND_ASSIGN(LegacyRenderWidgetHostHWND); | 175 DISALLOW_COPY_AND_ASSIGN(LegacyRenderWidgetHostHWND); |
176 }; | 176 }; |
177 | 177 |
178 } // namespace content | 178 } // namespace content |
179 | 179 |
180 #endif // CONTENT_BROWSER_RENDERER_HOST_LEGACY_RENDER_WIDGET_HOST_WIN_H_ | 180 #endif // CONTENT_BROWSER_RENDERER_HOST_LEGACY_RENDER_WIDGET_HOST_WIN_H_ |
181 | 181 |
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