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/*
* Copyright (C) 2013 Google 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.
* 3. Neither the name of Google Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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 "core/dom/PostAttachCallbacks.h"
#include "core/dom/Node.h"
#include "wtf/RefPtr.h"
namespace WebCore {
typedef std::pair<PostAttachCallbacks::Callback, RefPtr<Node> > CallbackInfo;
typedef Vector<CallbackInfo> CallbackQueue;
static size_t s_attachDepth;
static CallbackQueue& callbackQueue()
{
DEFINE_STATIC_LOCAL(CallbackQueue, callbackQueue, ());
return callbackQueue;
}
void PostAttachCallbacks::queueCallback(Callback callback, Node* node)
{
callbackQueue().append(CallbackInfo(callback, node));
}
PostAttachCallbacks::SuspendScope::SuspendScope()
{
++s_attachDepth;
}
PostAttachCallbacks::SuspendScope::~SuspendScope()
{
if (s_attachDepth == 1) {
// We recalculate size() each time through the loop because a callback
// can add more callbacks to the end of the queue.
CallbackQueue& queue = callbackQueue();
for (size_t i = 0; i < queue.size(); ++i) {
const CallbackInfo& info = queue[i];
info.first(info.second.get());
}
queue.clear();
}
--s_attachDepth;
}
} // namespace WebCore
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