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f2d2e80e59
This CL flips the switch to make Sky use Dart. TBR=eseidel@chromium.org BUG=454613 Review URL: https://codereview.chromium.org/922893002
146 lines
5.5 KiB
C++
146 lines
5.5 KiB
C++
/*
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* Copyright (C) 2008 Apple Inc. All Rights Reserved.
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* Copyright (C) 2012 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_EXECUTIONCONTEXT_H_
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#define SKY_ENGINE_CORE_DOM_EXECUTIONCONTEXT_H_
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#include "sky/engine/core/dom/ActiveDOMObject.h"
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#include "sky/engine/core/dom/ExecutionContextClient.h"
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#include "sky/engine/core/frame/ConsoleTypes.h"
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#include "sky/engine/core/frame/DOMTimer.h"
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#include "sky/engine/core/inspector/ConsoleMessage.h"
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#include "sky/engine/platform/LifecycleContext.h"
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#include "sky/engine/platform/Supplementable.h"
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#include "sky/engine/platform/heap/Handle.h"
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#include "sky/engine/platform/weborigin/KURL.h"
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#include "sky/engine/wtf/OwnPtr.h"
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#include "sky/engine/wtf/PassOwnPtr.h"
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namespace blink {
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class ContextLifecycleNotifier;
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class LocalDOMWindow;
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class ErrorEvent;
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class EventQueue;
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class ScriptState;
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class ScriptCallStack;
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class ExecutionContext
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: public LifecycleContext<ExecutionContext>
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, public Supplementable<ExecutionContext> {
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public:
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// Delegating to ExecutionContextClient
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bool isDocument() const { return m_client && m_client->isDocument(); }
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const KURL& url() const;
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KURL completeURL(const String& url) const;
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LocalDOMWindow* executingWindow() const;
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double timerAlignmentInterval() const;
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virtual void reportBlockedScriptExecutionToInspector(const String& directiveText) = 0;
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KURL contextURL() const { return virtualURL(); }
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KURL contextCompleteURL(const String& url) const { return virtualCompleteURL(url); }
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void reportException(PassRefPtr<ErrorEvent>, int scriptId, PassRefPtr<ScriptCallStack>);
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void addConsoleMessage(PassRefPtr<ConsoleMessage>);
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// Active objects are not garbage collected even if inaccessible, e.g. because their activity may result in callbacks being invoked.
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bool hasPendingActivity();
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void stopActiveDOMObjects();
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unsigned activeDOMObjectCount();
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bool activeDOMObjectsAreSuspended() const { return m_activeDOMObjectsAreSuspended; }
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bool activeDOMObjectsAreStopped() const { return m_activeDOMObjectsAreStopped; }
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bool isIteratingOverObservers() const;
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// Called after the construction of an ActiveDOMObject to synchronize suspend state.
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void suspendActiveDOMObjectIfNeeded(ActiveDOMObject*);
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#if !ENABLE(OILPAN)
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void ref() { refExecutionContext(); }
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void deref() { derefExecutionContext(); }
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#endif
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// Gets the next id in a circular sequence from 1 to 2^31-1.
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int circularSequentialID();
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void didChangeTimerAlignmentInterval();
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PassOwnPtr<LifecycleNotifier<ExecutionContext> > createLifecycleNotifier();
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virtual EventQueue* eventQueue() const = 0;
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protected:
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ExecutionContext();
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virtual ~ExecutionContext();
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void setClient(ExecutionContextClient* client) { m_client = client; }
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virtual const KURL& virtualURL() const = 0;
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virtual KURL virtualCompleteURL(const String&) const = 0;
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ContextLifecycleNotifier& lifecycleNotifier();
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private:
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friend class DOMTimer; // For installNewTimeout() and removeTimeoutByID() below.
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bool dispatchErrorEvent(PassRefPtr<ErrorEvent>);
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#if !ENABLE(OILPAN)
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virtual void refExecutionContext() = 0;
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virtual void derefExecutionContext() = 0;
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#endif
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// LifecycleContext implementation.
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// Implementation details for DOMTimer. No other classes should call these functions.
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int installNewTimeout(PassOwnPtr<ScheduledAction>, int timeout, bool singleShot);
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void removeTimeoutByID(int timeoutID); // This makes underlying DOMTimer instance destructed.
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ExecutionContextClient* m_client;
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int m_circularSequentialID;
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typedef HashMap<int, OwnPtr<DOMTimer> > TimeoutMap;
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TimeoutMap m_timeouts;
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bool m_inDispatchErrorEvent;
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class PendingException;
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OwnPtr<Vector<OwnPtr<PendingException> > > m_pendingExceptions;
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bool m_activeDOMObjectsAreSuspended;
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bool m_activeDOMObjectsAreStopped;
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// The location of this member is important; to make sure contextDestroyed() notification on
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// ExecutionContext's members (notably m_timeouts) is called before they are destructed,
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// m_lifecycleNotifer should be placed *after* such members.
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OwnPtr<ContextLifecycleNotifier> m_lifecycleNotifier;
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_DOM_EXECUTIONCONTEXT_H_
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