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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ScriptPromisePropertyBase_h
#define ScriptPromisePropertyBase_h
#include "bindings/core/v8/ScopedPersistent.h"
#include "bindings/core/v8/ScriptPromise.h"
#include "bindings/core/v8/ScriptPromiseProperties.h"
#include "core/dom/ContextLifecycleObserver.h"
#include "wtf/OwnPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/Vector.h"
#include <v8.h>
namespace blink {
class DOMWrapperWorld;
class ExecutionContext;
class ScriptState;
class ScriptPromisePropertyBase : public GarbageCollectedFinalized<ScriptPromisePropertyBase>, public ContextLifecycleObserver {
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ScriptPromisePropertyBase);
public:
virtual ~ScriptPromisePropertyBase();
enum Name {
#define P(Name) Name,
SCRIPT_PROMISE_PROPERTIES(P)
#undef P
};
enum State {
Pending,
Resolved,
Rejected,
};
State state() const { return m_state; }
ScriptPromise promise(DOMWrapperWorld&);
virtual void trace(Visitor*) override;
protected:
ScriptPromisePropertyBase(ExecutionContext*, Name);
void resolveOrReject(State targetState);
// ScriptPromiseProperty overrides these to wrap the holder,
// rejected value and resolved value. The
// ScriptPromisePropertyBase caller will enter the V8Context for
// the property's execution context and the world it is
// creating/settling promises in; the implementation should use
// this context.
virtual v8::Handle<v8::Object> holder(v8::Handle<v8::Object> creationContext, v8::Isolate*) = 0;
virtual v8::Handle<v8::Value> resolvedValue(v8::Isolate*, v8::Handle<v8::Object> creationContext) = 0;
virtual v8::Handle<v8::Value> rejectedValue(v8::Isolate*, v8::Handle<v8::Object> creationContext) = 0;
void resetBase();
private:
typedef Vector<OwnPtr<ScopedPersistent<v8::Object> > > WeakPersistentSet;
void resolveOrRejectInternal(v8::Handle<v8::Promise::Resolver>);
v8::Local<v8::Object> ensureHolderWrapper(ScriptState*);
void clearWrappers();
v8::Handle<v8::String> promiseName();
v8::Handle<v8::String> resolverName();
v8::Isolate* m_isolate;
Name m_name;
State m_state;
WeakPersistentSet m_wrappers;
};
} // namespace blink
#endif // ScriptPromisePropertyBase_h
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