| /* |
| * 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 |