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Even though this call is probably fast, it can potentially happen a lot, make it _really_ fast

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This commit is contained in:
Paul Betts 2016-04-06 10:36:39 -07:00
parent c474ad0913
commit 6e7aa6d299
2 changed files with 10 additions and 1 deletions
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4
atom/browser/native_window_views.h
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@ -199,6 +199,10 @@ class NativeWindowViews : public NativeWindow,
// In charge of running taskbar related APIs. // In charge of running taskbar related APIs.
TaskbarHost taskbar_host_; TaskbarHost taskbar_host_;
// If true we have enabled a11y
bool enabled_a11y_support_;
#endif #endif
// Handles unhandled keyboard messages coming back from the renderer process. // Handles unhandled keyboard messages coming back from the renderer process.

7
atom/browser/native_window_views_win.cc
View file

@ -91,11 +91,16 @@ bool NativeWindowViews::PreHandleMSG(
// accessibility object. // accessibility object.
case WM_GETOBJECT: { case WM_GETOBJECT: {
const DWORD obj_id = static_cast<DWORD>(l_param); const DWORD obj_id = static_cast<DWORD>(l_param);
if (enabled_a11y_support_) return false;
if (obj_id == OBJID_CLIENT) { if (obj_id == OBJID_CLIENT) {
const auto axState = content::BrowserAccessibilityState::GetInstance(); const auto axState = content::BrowserAccessibilityState::GetInstance();
if (axState && !axState->IsAccessibleBrowser()) if (axState && !axState->IsAccessibleBrowser()) {
axState->OnScreenReaderDetected(); axState->OnScreenReaderDetected();
enabled_a11y_support_ = true;
}
} }
return false; return false;
} }
case WM_COMMAND: case WM_COMMAND: