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295f920116
I wrote a script to do this which is attached to the bug. TBR=abarth@chromium.org BUG=435361 Review URL: https://codereview.chromium.org/736373003
75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
/*
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* Copyright (C) 2008 Apple Inc. All Rights Reserved.
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* Copyright (C) 2013 Google Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef SKY_ENGINE_CORE_DOM_CONTEXTLIFECYCLENOTIFIER_H_
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#define SKY_ENGINE_CORE_DOM_CONTEXTLIFECYCLENOTIFIER_H_
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#include "sky/engine/core/dom/ActiveDOMObject.h"
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#include "sky/engine/platform/LifecycleNotifier.h"
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#include "sky/engine/wtf/HashSet.h"
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#include "sky/engine/wtf/PassOwnPtr.h"
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namespace blink {
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class ActiveDOMObject;
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class ExecutionContext;
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class ContextLifecycleNotifier : public LifecycleNotifier<ExecutionContext> {
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public:
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static PassOwnPtr<ContextLifecycleNotifier> create(ExecutionContext*);
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virtual ~ContextLifecycleNotifier();
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typedef HashSet<ActiveDOMObject*> ActiveDOMObjectSet;
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const ActiveDOMObjectSet& activeDOMObjects() const { return m_activeDOMObjects; }
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virtual void addObserver(Observer*) override;
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virtual void removeObserver(Observer*) override;
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void notifyResumingActiveDOMObjects();
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void notifySuspendingActiveDOMObjects();
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void notifyStoppingActiveDOMObjects();
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bool contains(ActiveDOMObject* object) const { return m_activeDOMObjects.contains(object); }
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bool hasPendingActivity() const;
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protected:
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explicit ContextLifecycleNotifier(ExecutionContext*);
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private:
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ActiveDOMObjectSet m_activeDOMObjects;
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};
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inline PassOwnPtr<ContextLifecycleNotifier> ContextLifecycleNotifier::create(ExecutionContext* context)
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{
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return adoptPtr(new ContextLifecycleNotifier(context));
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}
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} // namespace blink
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#endif // SKY_ENGINE_CORE_DOM_CONTEXTLIFECYCLENOTIFIER_H_
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