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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/accessibility/browser_accessibility_manager_win.h" | 5 #include "content/browser/accessibility/browser_accessibility_manager_win.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <vector> | 10 #include <vector> |
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198 target->PlatformChildCount() == 0) { | 198 target->PlatformChildCount() == 0) { |
199 return BrowserAccessibilityEvent::NotNeededOnThisPlatform; | 199 return BrowserAccessibilityEvent::NotNeededOnThisPlatform; |
200 } | 200 } |
201 | 201 |
202 // Pass the negation of this node's unique id in the |child_id| | 202 // Pass the negation of this node's unique id in the |child_id| |
203 // argument to NotifyWinEvent; the AT client will then call get_accChild | 203 // argument to NotifyWinEvent; the AT client will then call get_accChild |
204 // on the HWND's accessibility object and pass it that same id, which | 204 // on the HWND's accessibility object and pass it that same id, which |
205 // we can use to retrieve the IAccessible for this node. | 205 // we can use to retrieve the IAccessible for this node. |
206 LONG child_id = -target->unique_id(); | 206 LONG child_id = -target->unique_id(); |
207 ::NotifyWinEvent(win_event_type, hwnd, OBJID_CLIENT, child_id); | 207 ::NotifyWinEvent(win_event_type, hwnd, OBJID_CLIENT, child_id); |
208 | |
209 return BrowserAccessibilityEvent::Sent; | 208 return BrowserAccessibilityEvent::Sent; |
210 } | 209 } |
211 | 210 |
212 bool BrowserAccessibilityManagerWin::CanFireEvents() { | 211 bool BrowserAccessibilityManagerWin::CanFireEvents() { |
213 BrowserAccessibilityDelegate* root_delegate = GetDelegateFromRootManager(); | 212 BrowserAccessibilityDelegate* root_delegate = GetDelegateFromRootManager(); |
214 if (!root_delegate) | 213 if (!root_delegate) |
215 return false; | 214 return false; |
216 HWND hwnd = root_delegate->AccessibilityGetAcceleratedWidget(); | 215 HWND hwnd = root_delegate->AccessibilityGetAcceleratedWidget(); |
217 return hwnd != nullptr; | 216 return hwnd != nullptr; |
218 } | 217 } |
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301 DCHECK(changed_node); | 300 DCHECK(changed_node); |
302 BrowserAccessibility* obj = GetFromAXNode(changed_node); | 301 BrowserAccessibility* obj = GetFromAXNode(changed_node); |
303 if (obj && obj->IsNative() && !obj->PlatformIsChildOfLeaf()) { | 302 if (obj && obj->IsNative() && !obj->PlatformIsChildOfLeaf()) { |
304 ToBrowserAccessibilityWin(obj)->GetCOM()->UpdateStep3FireEvents( | 303 ToBrowserAccessibilityWin(obj)->GetCOM()->UpdateStep3FireEvents( |
305 changes[i].type == AXTreeDelegate::SUBTREE_CREATED); | 304 changes[i].type == AXTreeDelegate::SUBTREE_CREATED); |
306 } | 305 } |
307 } | 306 } |
308 } | 307 } |
309 | 308 |
310 } // namespace content | 309 } // namespace content |
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