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/*
* Copyright (C) 2013, 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 V8PromiseCustom_h
#define V8PromiseCustom_h
#include "bindings/v8/WrapperTypeInfo.h"
#include <v8.h>
namespace WebCore {
class V8PromiseCustom {
public:
enum InternalFieldIndex {
InternalStateIndex,
InternalResultIndex,
InternalFulfillCallbackIndex,
InternalRejectCallbackIndex,
InternalDerivedPromiseIndex,
InternalFieldCount, // This entry must always be at the bottom.
};
enum PromiseAllEnvironmentFieldIndex {
PromiseAllEnvironmentPromiseIndex,
PromiseAllEnvironmentCountdownIndex,
PromiseAllEnvironmentIndexIndex,
PromiseAllEnvironmentResultsIndex,
PromiseAllEnvironmentFieldCount, // This entry must always be at the bottom.
};
enum PrimitiveWrapperFieldIndex {
PrimitiveWrapperPrimitiveIndex,
PrimitiveWrapperFieldCount, // This entry must always be at the bottom.
};
enum PromiseState {
Pending,
Fulfilled,
Rejected,
Following,
};
static v8::Local<v8::Object> createPromise(v8::Handle<v8::Object> creationContext, v8::Isolate*);
// |promise| must be a Promise instance.
static v8::Local<v8::Object> getInternal(v8::Handle<v8::Object> promise);
// |internal| must be a Promise internal object.
static PromiseState getState(v8::Handle<v8::Object> internal);
// |internal| must be a Promise internal object.
// Set a |promise|'s state and result that correspond to the state.
static void setState(v8::Handle<v8::Object> internal, PromiseState, v8::Handle<v8::Value>, v8::Isolate*);
// Return true if |maybePromise| is a Promise instance.
static bool isPromise(v8::Handle<v8::Value> maybePromise, v8::Isolate*);
// Coerces |maybePromise| to a Promise instance.
static v8::Local<v8::Object> toPromise(v8::Handle<v8::Value> maybePromise, v8::Isolate*);
// |promise| must be a Promise instance.
static void resolve(v8::Handle<v8::Object> promise, v8::Handle<v8::Value> result, v8::Isolate*);
// |promise| must be a Promise instance.
static void reject(v8::Handle<v8::Object> promise, v8::Handle<v8::Value> result, v8::Isolate*);
// |promise| must be a Promise instance.
// |onFulfilled| and |onRejected| can be an empty value respectively.
// Appends |onFulfilled| and/or |onRejected| handlers to |promise|.
static v8::Local<v8::Object> then(v8::Handle<v8::Object> promise, v8::Handle<v8::Function> onFulfilled, v8::Handle<v8::Function> onRejected, v8::Isolate*);
// |promise| must be a Promise instance.
// Set a |promise|'s value and propagate it to derived promises.
static void setValue(v8::Handle<v8::Object> promise, v8::Handle<v8::Value>, v8::Isolate*);
// |promise| must be a Promise instance.
// Set a |promise|'s failure reason and propagate it to derived promises.
static void setReason(v8::Handle<v8::Object> promise, v8::Handle<v8::Value>, v8::Isolate*);
// |promise| must be a Promise instance.
// Propagate a |promise|'s value or reason to all of its derived promies.
static void propagateToDerived(v8::Handle<v8::Object> promise, v8::Isolate*);
// |derivedPromise| and |originator| must be a Promise instance.
// |onFulfilled| and |onRejected| can be an empty value respectively.
// Propagate |originator|'s state to |derivedPromise|.
static void updateDerived(v8::Handle<v8::Object> derivedPromise, v8::Handle<v8::Function> onFulfilled, v8::Handle<v8::Function> onRejected, v8::Handle<v8::Object> originator, v8::Isolate*);
// |derivedPromise| must be a Promise instance.
// Propagate a value to |derivedPromise|.
static void updateDerivedFromValue(v8::Handle<v8::Object> derivedPromise, v8::Handle<v8::Function> onFulfilled, v8::Handle<v8::Value>, v8::Isolate*);
// |derivedPromise| must be a Promise instance.
// Propagate a failure reason to |derivedPromise|.
static void updateDerivedFromReason(v8::Handle<v8::Object> derivedPromise, v8::Handle<v8::Function> onRejected, v8::Handle<v8::Value>, v8::Isolate*);
// |derivedPromise| and |promise| must be a Promise instance.
// |onFulfilled| and |onRejected| can be an empty value respectively.
// Propagate |promise|'s state to |derivedPromise|.
static void updateDerivedFromPromise(v8::Handle<v8::Object> derivedPromise, v8::Handle<v8::Function> onFulfilled, v8::Handle<v8::Function> onRejected, v8::Handle<v8::Object> promise, v8::Isolate*);
// Returns a Promise instance that will be fulfilled or rejected by
// |thenable|'s result.
static v8::Local<v8::Object> coerceThenable(v8::Handle<v8::Object> thenable, v8::Handle<v8::Function> then, v8::Isolate*);
// |promise| must be a Promise instance.
// Applies a transformation to an argument and use it to update derived
// promies.
static void callHandler(v8::Handle<v8::Object> promise, v8::Handle<v8::Function> handler, v8::Handle<v8::Value> argument, v8::Isolate*);
};
} // namespace WebCore
#endif // V8PromiseCustom_h
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