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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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14
libcef_dll/cpptoc/browser_host_cpptoc.cc
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@ -1005,6 +1005,19 @@ struct _cef_navigation_entry_t* CEF_CALLBACK browser_host_get_visible_navigation
return CefNavigationEntryCppToC::Wrap(_retval);
}
void CEF_CALLBACK browser_host_set_accessibility_state(
struct _cef_browser_host_t* self, cef_state_t accessibility_state) {
// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
DCHECK(self);
if (!self)
return;
// Execute
CefBrowserHostCppToC::Get(self)->SetAccessibilityState(
accessibility_state);
}
} // namespace
@ -1072,6 +1085,7 @@ CefBrowserHostCppToC::CefBrowserHostCppToC() {
browser_host_drag_source_system_drag_ended;
GetStruct()->get_visible_navigation_entry =
browser_host_get_visible_navigation_entry;
GetStruct()->set_accessibility_state = browser_host_set_accessibility_state;
}
template<> CefRefPtr<CefBrowserHost> CefCppToCRefCounted<CefBrowserHostCppToC,