1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
|
/*
* Copyright (C) 2025 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AXTreeStore.h"
#include "AXIsolatedTree.h"
namespace WebCore {
#if ENABLE(ACCESSIBILITY_ISOLATED_TREE)
template<>
void AXTreeStore<AXIsolatedTree>::applyPendingChangesForAllIsolatedTrees()
{
ASSERT(!isMainThread());
Locker locker { AXTreeStore<AXIsolatedTree>::s_storeLock };
auto& map = AXTreeStore<AXIsolatedTree>::isolatedTreeMap();
for (const auto& axIDToTree : map) {
if (RefPtr tree = axIDToTree.value.get()) {
// Only applyPendingChanges for trees that aren't about to be destroyed.
// When a tree is destroyed, it tries to remove itself from AXTreeStore,
// which requires taking s_storeLock, which we hold. This would cause a deadlock.
tree->applyPendingChangesUnlessQueuedForDestruction();
}
}
}
#endif // ENABLE(ACCESSIBILITY_ISOLATED_TREE)
} // namespace WebCore
|