Implement accessibility enhancements (issue #1217)

- 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

View File

@ -202,6 +202,16 @@ void CefBrowserPlatformDelegate::DragSourceSystemDragEnded() {
NOTREACHED();
}
void CefBrowserPlatformDelegate::AccessibilityEventReceived(
const std::vector<content::AXEventNotificationDetails>& eventData) {
NOTREACHED();
}
void CefBrowserPlatformDelegate::AccessibilityLocationChangesReceived(
const std::vector<content::AXLocationChangeNotificationDetails>& locData) {
NOTREACHED();
}
// static
int CefBrowserPlatformDelegate::TranslateModifiers(uint32 cef_modifiers) {
int webkit_modifiers = 0;