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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef AbstractScriptPromiseResolver_h | |
| 6 #define AbstractScriptPromiseResolver_h | |
| 7 | |
| 8 #include "bindings/common/ScriptPromise.h" | |
| 9 #include "bindings/common/ScriptState.h" | |
| 10 #include "bindings/core/v8/ScopedPersistent.h" | |
| 11 #include "bindings/core/v8/V8Binding.h" | |
| 12 #include "core/dom/ActiveDOMObject.h" | |
| 13 #include "core/dom/ExecutionContext.h" | |
| 14 #include "platform/Timer.h" | |
| 15 #include "wtf/RefCounted.h" | |
| 16 #include "wtf/Vector.h" | |
| 17 #include <v8.h> | |
| 18 | |
| 19 namespace blink { | |
| 20 | |
| 21 class BatteryManager; | |
| 22 class Blob; | |
| 23 class Cache; | |
| 24 class Credential; | |
| 25 class CryptoKey; | |
| 26 class DOMError; | |
| 27 class DOMException; | |
| 28 class ExecutionContext; | |
| 29 class FontFace; | |
| 30 class FontFaceSet; | |
| 31 class ImageBitmap; | |
| 32 class MIDIAccess; | |
| 33 class MediaKeySession; | |
| 34 class MediaKeys; | |
| 35 class PushRegistration; | |
| 36 class Response; | |
| 37 class ServiceWorker; | |
| 38 class ServiceWorkerClient; | |
| 39 class ServiceWorkerRegistration; | |
| 40 class StorageInfo; | |
| 41 | |
| 42 // Do not add bool to this list, as it becomes the implicit conversion for types | |
| 43 // that are missing from this list. Use ScriptState::createBoolean instead. | |
| 44 #define PROMISE_RESOLUTION_TYPES_LIST(V) \ | |
| 45 V(AtomicString) \ | |
| 46 V(BatteryManager*) \ | |
| 47 V(Credential*) \ | |
| 48 V(CryptoKey*) \ | |
| 49 V(MediaKeys*) \ | |
| 50 V(MIDIAccess*) \ | |
| 51 V(PassRefPtr<ArrayBuffer>) \ | |
| 52 V(PassRefPtr<BatteryManager>) \ | |
| 53 V(PassRefPtr<Cache>) \ | |
| 54 V(PassRefPtr<MediaKeySession>) \ | |
| 55 V(PassRefPtr<Response>) \ | |
| 56 V(PassRefPtrWillBeRawPtr<Blob>) \ | |
| 57 V(PassRefPtrWillBeRawPtr<DOMError>) \ | |
| 58 V(PassRefPtrWillBeRawPtr<DOMException>) \ | |
| 59 V(PassRefPtrWillBeRawPtr<FontFace>) \ | |
| 60 V(PassRefPtrWillBeRawPtr<FontFaceSet>) \ | |
| 61 V(PassRefPtrWillBeRawPtr<ImageBitmap>) \ | |
| 62 V(PassRefPtrWillBeRawPtr<MIDIAccess>) \ | |
| 63 V(PassRefPtrWillBeRawPtr<ServiceWorker>) \ | |
| 64 V(PassRefPtrWillBeRawPtr<ServiceWorkerRegistration>) \ | |
| 65 V(PushRegistration*) \ | |
| 66 V(ScriptValue) \ | |
| 67 V(ServiceWorker*) \ | |
| 68 V(StorageInfo*) \ | |
| 69 V(String) \ | |
| 70 V(WillBeHeapVector<RefPtrWillBeMember<ServiceWorkerClient> >) \ | |
| 71 V(Vector<String>) \ | |
| 72 V(V8UndefinedType) \ | |
| 73 V(WillBeHeapVector<RefPtrWillBeMember<FontFace> >) \ | |
| 74 V(const char*) \ | |
| 75 V(v8::Handle<v8::Value>) \ | |
| 76 | |
| 77 | |
| 78 // This class wraps v8::Promise::Resolver and provides the following | |
| 79 // functionalities. | |
| 80 // - A ScriptPromiseResolver retains a ScriptState. A caller | |
| 81 // can call resolve or reject from outside of a V8 context. | |
| 82 // - This class is an ActiveDOMObject and keeps track of the associated | |
| 83 // ExecutionContext state. When the ExecutionContext is suspended, | |
| 84 // resolve or reject will be delayed. When it is stopped, resolve or reject | |
| 85 // will be ignored. | |
| 86 class AbstractScriptPromiseResolver { | |
| 87 WTF_MAKE_NONCOPYABLE(AbstractScriptPromiseResolver); | |
| 88 public: | |
| 89 virtual ~AbstractScriptPromiseResolver() { } | |
| 90 | |
| 91 // Note that an empty ScriptPromise will be returned after resolve or | |
| 92 // reject is called. | |
| 93 virtual PassRefPtr<AbstractScriptPromise> promise() = 0; | |
| 94 | |
| 95 virtual void resolve() = 0; | |
| 96 virtual void reject() = 0; | |
| 97 | |
| 98 #define DECLARE_RESOLUTION_METHODS(type) \ | |
| 99 virtual void resolve(type) = 0; \ | |
| 100 virtual void reject(type) = 0; | |
| 101 PROMISE_RESOLUTION_TYPES_LIST(DECLARE_RESOLUTION_METHODS); | |
| 102 #undef DECLARE_RESOLUTION_METHODS | |
| 103 | |
| 104 // Once this function is called this resolver stays alive while the | |
| 105 // promise is pending and the associated ExecutionContext isn't stopped. | |
| 106 virtual void keepAliveWhilePending() = 0; | |
| 107 | |
| 108 virtual ScriptState* scriptState() = 0; | |
| 109 virtual ScriptState* scriptState() const = 0; | |
| 110 | |
| 111 // Forwarded ActiveDOMObject implementation. | |
| 112 virtual void suspend() = 0; | |
| 113 virtual void resume() = 0; | |
| 114 virtual void stop() = 0; | |
| 115 | |
| 116 protected: | |
| 117 // You need to call suspendIfNeeded after the construction because | |
| 118 // this is an ActiveDOMObject. | |
| 119 AbstractScriptPromiseResolver() { } | |
| 120 }; | |
| 121 | |
| 122 } // namespace blink | |
| 123 | |
| 124 #endif // #ifndef AbstractScriptPromiseResolver_h | |
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