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55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if defined(ACCESSIBILITY)
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#include "UIAAccessibilityBridge.h"
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#include "MetroUtils.h"
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#include <OAIdl.h>
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#include "nsIAccessibleEvent.h"
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#include "nsIPersistentProperties2.h"
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// generated
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#include "UIABridge.h"
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#include <wrl/implements.h>
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using namespace mozilla::a11y;
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namespace mozilla {
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namespace widget {
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namespace winrt {
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using namespace Microsoft::WRL;
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NS_IMPL_ISUPPORTS(AccessibilityBridge, nsIObserver)
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nsresult
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AccessibilityBridge::Observe(nsISupports *aSubject, const char *aTopic, const char16_t *aData)
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{
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nsCOMPtr<nsIAccessibleEvent> ev = do_QueryInterface(aSubject);
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if (!ev) {
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return NS_OK;
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}
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uint32_t eventType = 0;
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ev->GetEventType(&eventType);
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if (eventType == nsIAccessibleEvent::EVENT_FOCUS) {
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Microsoft::WRL::ComPtr<IUIABridge> bridgePtr;
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mBridge.As(&bridgePtr);
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if (bridgePtr) {
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bridgePtr->FocusChangeEvent();
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}
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}
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return NS_OK;
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}
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} } }
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#endif // ACCESSIBILITY
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