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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #ifndef ScriptPromise_h | 31 #ifndef ScriptPromise_h |
32 #define ScriptPromise_h | 32 #define ScriptPromise_h |
33 | 33 |
34 #include "bindings/core/v8/ScriptFunction.h" | 34 #include "bindings/core/v8/ScriptFunction.h" |
35 #include "bindings/core/v8/ScriptValue.h" | 35 #include "bindings/core/v8/ScriptValue.h" |
| 36 #include "bindings/core/v8/V8ThrowException.h" |
| 37 #include "core/dom/ExceptionCode.h" |
36 #include "platform/heap/Handle.h" | 38 #include "platform/heap/Handle.h" |
37 #include "wtf/PassOwnPtr.h" | 39 #include "wtf/PassOwnPtr.h" |
38 #include "wtf/PassRefPtr.h" | 40 #include "wtf/PassRefPtr.h" |
| 41 #include "wtf/text/WTFString.h" |
39 #include <v8.h> | 42 #include <v8.h> |
40 | 43 |
41 namespace blink { | 44 namespace blink { |
42 | 45 |
43 class DOMException; | 46 class DOMException; |
| 47 class ExceptionState; |
44 | 48 |
45 // ScriptPromise is the class for representing Promise values in C++ world. | 49 // ScriptPromise is the class for representing Promise values in C++ world. |
46 // ScriptPromise holds a Promise. | 50 // ScriptPromise holds a Promise. |
47 // So holding a ScriptPromise as a member variable in DOM object causes | 51 // So holding a ScriptPromise as a member variable in DOM object causes |
48 // memory leaks since it has a reference from C++ to V8. | 52 // memory leaks since it has a reference from C++ to V8. |
49 // | 53 // |
50 class ScriptPromise FINAL { | 54 class ScriptPromise FINAL { |
51 public: | 55 public: |
52 // Constructs an empty promise. | 56 // Constructs an empty promise. |
53 ScriptPromise() { } | 57 ScriptPromise() { } |
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108 // resolved with |value|. | 112 // resolved with |value|. |
109 // Returns |value| itself if it is a Promise. | 113 // Returns |value| itself if it is a Promise. |
110 static ScriptPromise cast(ScriptState*, const ScriptValue& /*value*/); | 114 static ScriptPromise cast(ScriptState*, const ScriptValue& /*value*/); |
111 static ScriptPromise cast(ScriptState*, v8::Handle<v8::Value> /*value*/); | 115 static ScriptPromise cast(ScriptState*, v8::Handle<v8::Value> /*value*/); |
112 | 116 |
113 static ScriptPromise reject(ScriptState*, const ScriptValue&); | 117 static ScriptPromise reject(ScriptState*, const ScriptValue&); |
114 static ScriptPromise reject(ScriptState*, v8::Handle<v8::Value>); | 118 static ScriptPromise reject(ScriptState*, v8::Handle<v8::Value>); |
115 | 119 |
116 static ScriptPromise rejectWithDOMException(ScriptState*, PassRefPtrWillBeRa
wPtr<DOMException>); | 120 static ScriptPromise rejectWithDOMException(ScriptState*, PassRefPtrWillBeRa
wPtr<DOMException>); |
117 | 121 |
| 122 // static functions each of which returns a ScriptPromise rejected with |
| 123 // the given error. |
| 124 // They coresspond to functions in V8Binding.h, such as throwError, |
| 125 // throwTypeError, etc. |
| 126 // FIXME: Remove these functions. |
| 127 static ScriptPromise rejectWithTypeError(ScriptState*, const String&); |
| 128 static ScriptPromise rejectWithArityTypeErrorForMethod(ScriptState*, const c
har* method, const char* type, const char* valid, unsigned provided); |
| 129 static ScriptPromise rejectWithArityTypeErrorForConstructor(ScriptState*, co
nst char* type, const char* valid, unsigned provided); |
| 130 static ScriptPromise rejectWithArityTypeError(ScriptState*, ExceptionState&,
const char* valid, unsigned provided); |
| 131 static ScriptPromise rejectWithMinimumArityTypeErrorForMethod( |
| 132 ScriptState*, const char* method, const char* type, unsigned expected, u
nsigned providedLeastNumMandatoryParams); |
| 133 static ScriptPromise rejectWithMinimumArityTypeErrorForConstructor( |
| 134 ScriptState*, const char* type, unsigned expected, unsigned providedLeas
tNumMandatoryParams); |
| 135 static ScriptPromise rejectWithMinimumArityTypeError(ScriptState*, Exception
State&, unsigned expected, unsigned providedLeastNumMandatoryParams); |
| 136 |
| 137 static v8::Local<v8::Promise> rejectRaw(v8::Isolate*, v8::Handle<v8::Value>)
; |
| 138 |
118 // This is a utility class intended to be used internally. | 139 // This is a utility class intended to be used internally. |
119 // ScriptPromiseResolver is for general purpose. | 140 // ScriptPromiseResolver is for general purpose. |
120 class InternalResolver FINAL { | 141 class InternalResolver FINAL { |
121 public: | 142 public: |
122 explicit InternalResolver(ScriptState*); | 143 explicit InternalResolver(ScriptState*); |
123 v8::Local<v8::Promise> v8Promise() const; | 144 v8::Local<v8::Promise> v8Promise() const; |
124 ScriptPromise promise() const; | 145 ScriptPromise promise() const; |
125 void resolve(v8::Local<v8::Value>); | 146 void resolve(v8::Local<v8::Value>); |
126 void reject(v8::Local<v8::Value>); | 147 void reject(v8::Local<v8::Value>); |
127 void clear() { m_resolver.clear(); } | 148 void clear() { m_resolver.clear(); } |
128 | 149 |
129 private: | 150 private: |
130 ScriptValue m_resolver; | 151 ScriptValue m_resolver; |
131 }; | 152 }; |
132 | 153 |
133 private: | 154 private: |
134 RefPtr<ScriptState> m_scriptState; | 155 RefPtr<ScriptState> m_scriptState; |
135 ScriptValue m_promise; | 156 ScriptValue m_promise; |
136 }; | 157 }; |
137 | 158 |
138 } // namespace blink | 159 } // namespace blink |
139 | 160 |
140 | 161 |
141 #endif // ScriptPromise_h | 162 #endif // ScriptPromise_h |
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