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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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24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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 ScriptFunction_h | 31 #ifndef ScriptFunction_h |
32 #define ScriptFunction_h | 32 #define ScriptFunction_h |
33 | 33 |
| 34 #include <v8.h> |
34 #include "bindings/core/v8/ScriptValue.h" | 35 #include "bindings/core/v8/ScriptValue.h" |
35 #include "core/CoreExport.h" | 36 #include "core/CoreExport.h" |
36 #include "platform/heap/Handle.h" | 37 #include "platform/heap/Handle.h" |
37 #include <v8.h> | |
38 | 38 |
39 namespace blink { | 39 namespace blink { |
40 | 40 |
41 // A common way of using ScriptFunction is as follows: | 41 // A common way of using ScriptFunction is as follows: |
42 // | 42 // |
43 // class DerivedFunction : public ScriptFunction { | 43 // class DerivedFunction : public ScriptFunction { |
44 // // This returns a V8 function which the DerivedFunction is bound to. | 44 // // This returns a V8 function which the DerivedFunction is bound to. |
45 // // The DerivedFunction is destructed when the V8 function is | 45 // // The DerivedFunction is destructed when the V8 function is |
46 // // garbage-collected. | 46 // // garbage-collected. |
47 // static v8::Local<v8::Function> createFunction(ScriptState* scriptState) | 47 // static v8::Local<v8::Function> createFunction(ScriptState* scriptState) |
48 // { | 48 // { |
49 // DerivedFunction* self = new DerivedFunction(scriptState); | 49 // DerivedFunction* self = new DerivedFunction(scriptState); |
50 // return self->bindToV8Function(); | 50 // return self->bindToV8Function(); |
51 // } | 51 // } |
52 // }; | 52 // }; |
53 class CORE_EXPORT ScriptFunction | 53 class CORE_EXPORT ScriptFunction |
54 : public GarbageCollectedFinalized<ScriptFunction> { | 54 : public GarbageCollectedFinalized<ScriptFunction> { |
55 public: | 55 public: |
56 virtual ~ScriptFunction() {} | 56 virtual ~ScriptFunction() {} |
57 DEFINE_INLINE_VIRTUAL_TRACE() {} | 57 DEFINE_INLINE_VIRTUAL_TRACE() {} |
58 | 58 |
59 protected: | 59 protected: |
60 explicit ScriptFunction(ScriptState* scriptState) | 60 explicit ScriptFunction(ScriptState* scriptState) |
61 : m_scriptState(scriptState) | 61 : m_scriptState(scriptState) {} |
62 { | |
63 } | |
64 | 62 |
65 ScriptState* getScriptState() const { return m_scriptState.get(); } | 63 ScriptState* getScriptState() const { return m_scriptState.get(); } |
66 | 64 |
67 v8::Local<v8::Function> bindToV8Function(); | 65 v8::Local<v8::Function> bindToV8Function(); |
68 | 66 |
69 private: | 67 private: |
70 virtual ScriptValue call(ScriptValue) = 0; | 68 virtual ScriptValue call(ScriptValue) = 0; |
71 static void callCallback(const v8::FunctionCallbackInfo<v8::Value>&); | 69 static void callCallback(const v8::FunctionCallbackInfo<v8::Value>&); |
72 | 70 |
73 RefPtr<ScriptState> m_scriptState; | 71 RefPtr<ScriptState> m_scriptState; |
74 #if DCHECK_IS_ON() | 72 #if DCHECK_IS_ON() |
75 // bindToV8Function must not be called twice. | 73 // bindToV8Function must not be called twice. |
76 bool m_bindToV8FunctionAlreadyCalled = false; | 74 bool m_bindToV8FunctionAlreadyCalled = false; |
77 #endif | 75 #endif |
78 }; | 76 }; |
79 | 77 |
80 } // namespace blink | 78 } // namespace blink |
81 | 79 |
82 #endif | 80 #endif |
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