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