mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
8711bf43a8
I also removed it from a bunch of core/ as almost all the places its included it is not actually needed. BUG=435243 TBR=yurys@chromium.org Review URL: https://codereview.chromium.org/775803002
145 lines
4.6 KiB
C++
145 lines
4.6 KiB
C++
/*
|
|
* 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:
|
|
*
|
|
* * 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 SKY_ENGINE_BINDINGS_CORE_V8_SCRIPTPROMISE_H_
|
|
#define SKY_ENGINE_BINDINGS_CORE_V8_SCRIPTPROMISE_H_
|
|
|
|
#include "sky/engine/bindings/core/v8/ScriptValue.h"
|
|
#include "sky/engine/bindings/core/v8/V8ThrowException.h"
|
|
#include "sky/engine/core/dom/ExceptionCode.h"
|
|
#include "sky/engine/wtf/PassRefPtr.h"
|
|
#include "sky/engine/wtf/text/WTFString.h"
|
|
#include "v8/include/v8.h"
|
|
|
|
namespace blink {
|
|
|
|
class DOMException;
|
|
class ExceptionState;
|
|
|
|
// ScriptPromise is the class for representing Promise values in C++ world.
|
|
// ScriptPromise holds a Promise.
|
|
// So holding a ScriptPromise as a member variable in DOM object causes
|
|
// memory leaks since it has a reference from C++ to V8.
|
|
//
|
|
class ScriptPromise final {
|
|
public:
|
|
// Constructs an empty promise.
|
|
ScriptPromise() { }
|
|
|
|
// Constructs a ScriptPromise from |promise|.
|
|
// If |promise| is not a Promise object, throws a v8 TypeError.
|
|
ScriptPromise(ScriptState*, v8::Handle<v8::Value> promise);
|
|
|
|
ScriptPromise then(v8::Handle<v8::Function> onFulfilled, v8::Handle<v8::Function> onRejected = v8::Handle<v8::Function>());
|
|
|
|
bool isObject() const
|
|
{
|
|
return m_promise.isObject();
|
|
}
|
|
|
|
bool isNull() const
|
|
{
|
|
return m_promise.isNull();
|
|
}
|
|
|
|
bool isUndefinedOrNull() const
|
|
{
|
|
return m_promise.isUndefined() || m_promise.isNull();
|
|
}
|
|
|
|
v8::Handle<v8::Value> v8Value() const
|
|
{
|
|
return m_promise.v8Value();
|
|
}
|
|
|
|
v8::Isolate* isolate() const
|
|
{
|
|
return m_promise.isolate();
|
|
}
|
|
|
|
bool isEmpty() const
|
|
{
|
|
return m_promise.isEmpty();
|
|
}
|
|
|
|
void clear()
|
|
{
|
|
m_promise.clear();
|
|
}
|
|
|
|
bool operator==(const ScriptPromise& value) const
|
|
{
|
|
return m_promise == value.m_promise;
|
|
}
|
|
|
|
bool operator!=(const ScriptPromise& value) const
|
|
{
|
|
return !operator==(value);
|
|
}
|
|
|
|
// Constructs and returns a ScriptPromise from |value|.
|
|
// if |value| is not a Promise object, returns a Promise object
|
|
// resolved with |value|.
|
|
// Returns |value| itself if it is a Promise.
|
|
static ScriptPromise cast(ScriptState*, const ScriptValue& /*value*/);
|
|
static ScriptPromise cast(ScriptState*, v8::Handle<v8::Value> /*value*/);
|
|
|
|
static ScriptPromise reject(ScriptState*, const ScriptValue&);
|
|
static ScriptPromise reject(ScriptState*, v8::Handle<v8::Value>);
|
|
|
|
static ScriptPromise rejectWithDOMException(ScriptState*, PassRefPtr<DOMException>);
|
|
|
|
static v8::Local<v8::Promise> rejectRaw(v8::Isolate*, v8::Handle<v8::Value>);
|
|
|
|
// This is a utility class intended to be used internally.
|
|
// ScriptPromiseResolver is for general purpose.
|
|
class InternalResolver final {
|
|
public:
|
|
explicit InternalResolver(ScriptState*);
|
|
v8::Local<v8::Promise> v8Promise() const;
|
|
ScriptPromise promise() const;
|
|
void resolve(v8::Local<v8::Value>);
|
|
void reject(v8::Local<v8::Value>);
|
|
void clear() { m_resolver.clear(); }
|
|
|
|
private:
|
|
ScriptValue m_resolver;
|
|
};
|
|
|
|
private:
|
|
RefPtr<ScriptState> m_scriptState;
|
|
ScriptValue m_promise;
|
|
};
|
|
|
|
} // namespace blink
|
|
|
|
|
|
#endif // SKY_ENGINE_BINDINGS_CORE_V8_SCRIPTPROMISE_H_
|