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Implement accessibility enhancements (issue #1217)

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- Add new CefBrowserHost::SetAccessibilityState method for toggling
  accessibility state when readers are detected by the client.
- Add new CefAccessibilityHandler interface for the delivery of
  accessibility notifications to windowless (OSR) clients.
- Fix delivery of CefFocusHandler callbacks to windowless clients.
- cefclient: Add example windowless accessibility implementation on Windows and macOS.
- cefclient: Automatically detect screen readers on Windows and macOS.
This commit is contained in:
Nishant Kaushik
2017-05-12 18:28:25 +00:00
committed by Marshall Greenblatt
parent 64fcfa6068
commit 816f700d3e
51 changed files with 3476 additions and 8 deletions
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4
libcef/browser/browser_platform_delegate.h
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@ -262,6 +262,10 @@ class CefBrowserPlatformDelegate {
virtual void DragSourceEndedAt(int x, int y,
cef_drag_operations_mask_t op);
virtual void DragSourceSystemDragEnded();
virtual void AccessibilityEventReceived(
const std::vector<content::AXEventNotificationDetails>& eventData);
virtual void AccessibilityLocationChangesReceived(
const std::vector<content::AXLocationChangeNotificationDetails>& locData);
protected:
// Allow deletion via scoped_ptr only.