| /* |
| * Copyright (C) 2009 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * 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. |
| */ |
| |
| |
| #ifndef WorkerContextExecutionProxy_h |
| #define WorkerContextExecutionProxy_h |
| |
| #if ENABLE(WORKERS) |
| |
| #include <v8.h> |
| #include "V8EventListenerList.h" |
| #include "V8Index.h" |
| #include <wtf/OwnPtr.h> |
| #include <wtf/Vector.h> |
| |
| namespace WebCore { |
| |
| class Event; |
| class EventTarget; |
| class V8EventListener; |
| class V8WorkerContextEventListener; |
| class WorkerContext; |
| |
| class WorkerContextExecutionProxy { |
| public: |
| WorkerContextExecutionProxy(WorkerContext*); |
| ~WorkerContextExecutionProxy(); |
| |
| // FIXME: following function should have camelCased names once V8 code-generating script is migrated. |
| v8::Local<v8::Context> GetContext() { return v8::Local<v8::Context>::New(m_context); } |
| v8::Local<v8::Function> GetConstructor(V8ClassIndex::V8WrapperType); |
| void RemoveEventListener(V8EventListener*); |
| |
| static v8::Handle<v8::Value> ToV8Object(V8ClassIndex::V8WrapperType type, void* impl); |
| static v8::Handle<v8::Value> EventToV8Object(Event* event); |
| static v8::Handle<v8::Value> EventTargetToV8Object(EventTarget* target); |
| static v8::Handle<v8::Value> WorkerContextToV8Object(WorkerContext* wc); |
| |
| // Finds/creates event listener wrappers. |
| PassRefPtr<V8EventListener> findOrCreateEventListener(v8::Local<v8::Value> listener, bool isInline, bool findOnly); |
| PassRefPtr<V8EventListener> findOrCreateObjectEventListener(v8::Local<v8::Value> object, bool isInline, bool findOnly); |
| |
| // Track the event so that we can detach it from the JS wrapper when a worker |
| // terminates. This is needed because we need to be able to dispose these |
| // events and releases references to their event targets: WorkerContext. |
| void trackEvent(Event*); |
| |
| // Evaluate a script file in the current execution environment. |
| v8::Local<v8::Value> evaluate(const String& script, const String& fileName, int baseLine); |
| |
| // Returns WorkerContext object. |
| WorkerContext* workerContext() { return m_workerContext; } |
| |
| // Returns WorkerContextExecutionProxy object of the currently executing context. 0 will be returned if the current executing context is not the worker context. |
| static WorkerContextExecutionProxy* retrieve(); |
| |
| private: |
| void initV8IfNeeded(); |
| void initContextIfNeeded(); |
| void dispose(); |
| PassRefPtr<V8EventListener> findOrCreateEventListenerHelper(v8::Local<v8::Value> object, bool isInline, bool findOnly, bool createObjectEventListener); |
| |
| // Run an already compiled script. |
| v8::Local<v8::Value> runScript(v8::Handle<v8::Script>); |
| |
| static v8::Local<v8::Object> toV8(V8ClassIndex::V8WrapperType descType, V8ClassIndex::V8WrapperType cptrType, void* impl); |
| |
| static bool forgetV8EventObject(Event*); |
| |
| WorkerContext* m_workerContext; |
| v8::Persistent<v8::Context> m_context; |
| int m_recursion; |
| |
| OwnPtr<V8EventListenerList> m_listeners; |
| Vector<Event*> m_events; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WORKERS) |
| |
| #endif // WorkerContextExecutionProxy_h |