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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 WindowEventTarget; | 28 class WindowEventTarget; |
28 } | 29 } |
29 | 30 |
30 namespace content { | 31 namespace content { |
31 class RenderWidgetHostViewAura; | 32 class RenderWidgetHostViewAura; |
32 | 33 |
33 // Reasons for the existence of this class outlined below:- | 34 // Reasons for the existence of this class outlined below:- |
34 // 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 |
35 // to be in its own HWND with class name Chrome_RenderWidgetHostHWND. | 36 // to be in its own HWND with class name Chrome_RenderWidgetHostHWND. |
36 // 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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113 | 114 |
114 // Resizes the window to the bounds passed in. | 115 // Resizes the window to the bounds passed in. |
115 void SetBounds(const gfx::Rect& bounds); | 116 void SetBounds(const gfx::Rect& bounds); |
116 | 117 |
117 // The pointer to the containing RenderWidgetHostViewAura instance is passed | 118 // The pointer to the containing RenderWidgetHostViewAura instance is passed |
118 // here. | 119 // here. |
119 void set_host(RenderWidgetHostViewAura* host) { | 120 void set_host(RenderWidgetHostViewAura* host) { |
120 host_ = host; | 121 host_ = host; |
121 } | 122 } |
122 | 123 |
| 124 // Changes the position of the fake caret. |
| 125 void MoveCaretTo(const gfx::Rect& bounds); |
| 126 |
123 protected: | 127 protected: |
124 void OnFinalMessage(HWND hwnd) override; | 128 void OnFinalMessage(HWND hwnd) override; |
125 | 129 |
126 private: | 130 private: |
127 explicit LegacyRenderWidgetHostHWND(HWND parent); | 131 explicit LegacyRenderWidgetHostHWND(HWND parent); |
128 ~LegacyRenderWidgetHostHWND() override; | 132 ~LegacyRenderWidgetHostHWND() override; |
129 | 133 |
130 bool Init(); | 134 bool Init(); |
131 | 135 |
132 // Returns the target to which the windows input events are forwarded. | 136 // Returns the target to which the windows input events are forwarded. |
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152 LRESULT OnSize(UINT message, WPARAM w_param, LPARAM l_param); | 156 LRESULT OnSize(UINT message, WPARAM w_param, LPARAM l_param); |
153 LRESULT OnWindowPosChanged(UINT message, WPARAM w_param, LPARAM l_param); | 157 LRESULT OnWindowPosChanged(UINT message, WPARAM w_param, LPARAM l_param); |
154 | 158 |
155 base::win::ScopedComPtr<IAccessible> window_accessible_; | 159 base::win::ScopedComPtr<IAccessible> window_accessible_; |
156 | 160 |
157 // Set to true if we turned on mouse tracking. | 161 // Set to true if we turned on mouse tracking. |
158 bool mouse_tracking_enabled_; | 162 bool mouse_tracking_enabled_; |
159 | 163 |
160 RenderWidgetHostViewAura* host_; | 164 RenderWidgetHostViewAura* host_; |
161 | 165 |
| 166 // Some assistive software need to track the location of the caret. |
| 167 std::unique_ptr<ui::AXFakeCaretWin> ax_fake_caret_; |
| 168 |
162 // This class provides functionality to register the legacy window as a | 169 // This class provides functionality to register the legacy window as a |
163 // Direct Manipulation consumer. This allows us to support smooth scroll | 170 // Direct Manipulation consumer. This allows us to support smooth scroll |
164 // in Chrome on Windows 10. | 171 // in Chrome on Windows 10. |
165 std::unique_ptr<gfx::win::DirectManipulationHelper> | 172 std::unique_ptr<gfx::win::DirectManipulationHelper> |
166 direct_manipulation_helper_; | 173 direct_manipulation_helper_; |
167 | 174 |
168 DISALLOW_COPY_AND_ASSIGN(LegacyRenderWidgetHostHWND); | 175 DISALLOW_COPY_AND_ASSIGN(LegacyRenderWidgetHostHWND); |
169 }; | 176 }; |
170 | 177 |
171 } // namespace content | 178 } // namespace content |
172 | 179 |
173 #endif // CONTENT_BROWSER_RENDERER_HOST_LEGACY_RENDER_WIDGET_HOST_WIN_H_ | 180 #endif // CONTENT_BROWSER_RENDERER_HOST_LEGACY_RENDER_WIDGET_HOST_WIN_H_ |
174 | 181 |
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