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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 #include "content/browser/renderer_host/legacy_render_widget_host_win.h" | 5 #include "content/browser/renderer_host/legacy_render_widget_host_win.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "base/win/windows_version.h" | 9 #include "base/win/windows_version.h" |
10 #include "content/browser/accessibility/browser_accessibility_manager_win.h" | 10 #include "content/browser/accessibility/browser_accessibility_manager_win.h" |
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174 if (!rwhi) | 174 if (!rwhi) |
175 return static_cast<LRESULT>(0L); | 175 return static_cast<LRESULT>(0L); |
176 | 176 |
177 BrowserAccessibilityManagerWin* manager = | 177 BrowserAccessibilityManagerWin* manager = |
178 static_cast<BrowserAccessibilityManagerWin*>( | 178 static_cast<BrowserAccessibilityManagerWin*>( |
179 rwhi->GetRootBrowserAccessibilityManager()); | 179 rwhi->GetRootBrowserAccessibilityManager()); |
180 if (!manager) | 180 if (!manager) |
181 return static_cast<LRESULT>(0L); | 181 return static_cast<LRESULT>(0L); |
182 | 182 |
183 base::win::ScopedComPtr<IAccessible> root( | 183 base::win::ScopedComPtr<IAccessible> root( |
184 manager->GetRoot()->ToBrowserAccessibilityWin()); | 184 ToBrowserAccessibilityWin(manager->GetRoot())); |
185 return LresultFromObject(IID_IAccessible, w_param, | 185 return LresultFromObject(IID_IAccessible, w_param, |
186 static_cast<IAccessible*>(root.Detach())); | 186 static_cast<IAccessible*>(root.Detach())); |
187 } | 187 } |
188 | 188 |
189 // We send keyboard/mouse/touch messages to the parent window via SendMessage. | 189 // We send keyboard/mouse/touch messages to the parent window via SendMessage. |
190 // While this works, this has the side effect of converting input messages into | 190 // While this works, this has the side effect of converting input messages into |
191 // sent messages which changes their priority and could technically result | 191 // sent messages which changes their priority and could technically result |
192 // in these messages starving other messages in the queue. Additionally | 192 // in these messages starving other messages in the queue. Additionally |
193 // keyboard/mouse hooks would not see these messages. The alternative approach | 193 // keyboard/mouse hooks would not see these messages. The alternative approach |
194 // is to set and release capture as needed on the parent to ensure that it | 194 // is to set and release capture as needed on the parent to ensure that it |
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404 direct_manipulation_helper_->Activate(hwnd()); | 404 direct_manipulation_helper_->Activate(hwnd()); |
405 } else if (window_pos->flags & SWP_HIDEWINDOW) { | 405 } else if (window_pos->flags & SWP_HIDEWINDOW) { |
406 direct_manipulation_helper_->Deactivate(hwnd()); | 406 direct_manipulation_helper_->Deactivate(hwnd()); |
407 } | 407 } |
408 } | 408 } |
409 SetMsgHandled(FALSE); | 409 SetMsgHandled(FALSE); |
410 return 0; | 410 return 0; |
411 } | 411 } |
412 | 412 |
413 } // namespace content | 413 } // namespace content |
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