Source/bindings/v8/ScriptPromiseResolver.cpp

/*
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 * in the documentation and/or other materials provided with the
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 *
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#include "config.h"
#include "bindings/v8/ScriptPromiseResolver.h"

#include "bindings/v8/ScriptState.h"
#include "bindings/v8/ScriptValue.h"
#include "bindings/v8/V8Binding.h"
#include "bindings/v8/V8DOMWrapper.h"
#include "bindings/v8/custom/V8PromiseCustom.h"

#include <v8.h>

namespace WebCore {

ScriptPromiseResolver::ScriptPromiseResolver(ScriptPromise promise, v8::Isolate* isolate)
    : m_isolate(isolate)
    , m_promise(promise)
{
}

ScriptPromiseResolver::~ScriptPromiseResolver()
{
    // We don't call "reject" here because it requires a caller
    // to be in a v8 context.

    m_promise.clear();
}

PassRefPtr<ScriptPromiseResolver> ScriptPromiseResolver::create(ScriptPromise promise, ExecutionContext* context)
{
    ASSERT(v8::Context::InContext());
    ASSERT(context);
    return adoptRef(new ScriptPromiseResolver(promise, toIsolate(context)));
}

PassRefPtr<ScriptPromiseResolver> ScriptPromiseResolver::create(ScriptPromise promise)
{
    ASSERT(v8::Context::InContext());
    v8::Isolate* isolate = v8::Isolate::GetCurrent();
    return adoptRef(new ScriptPromiseResolver(promise, isolate));
}

bool ScriptPromiseResolver::isPending() const
{
    ASSERT(v8::Context::InContext());
    if (m_promise.hasNoValue())
        return false;
    v8::Local<v8::Object> promise = m_promise.v8Value().As<v8::Object>();
    v8::Local<v8::Object> internal = V8PromiseCustom::getInternal(promise);
    V8PromiseCustom::PromiseState state = V8PromiseCustom::getState(internal);
    return state == V8PromiseCustom::Pending;
}

void ScriptPromiseResolver::resolve(v8::Handle<v8::Value> value)
{
    ASSERT(v8::Context::InContext());
    if (!isPending())
        return;
    V8PromiseCustom::resolve(m_promise.v8Value().As<v8::Object>(), value, m_isolate);
    m_promise.clear();
}

void ScriptPromiseResolver::reject(v8::Handle<v8::Value> value)
{
    ASSERT(v8::Context::InContext());
    if (!isPending())
        return;
    V8PromiseCustom::reject(m_promise.v8Value().As<v8::Object>(), value, m_isolate);
    m_promise.clear();
}

void ScriptPromiseResolver::resolve(ScriptValue value)
{
    ASSERT(v8::Context::InContext());
    resolve(value.v8Value());
}

void ScriptPromiseResolver::reject(ScriptValue value)
{
    ASSERT(v8::Context::InContext());
    reject(value.v8Value());
}

} // namespace WebCore