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34 #include "wtf/Forward.h"
35 #include "wtf/Vector.h"
46 class ExecutionContext;
49 // Use an array to hold dependents. It works like a ref-counted scheme. A value can be added more than once to the DOM object.
50 void createHiddenDependency(v8::Handle<v8::Object>, v8::Local<v8::Value>, int cacheIndex, v8::Isolate*);
51 void removeHiddenDependency(v8::Handle<v8::Object>, v8::Local<v8::Value>, int cacheIndex, v8::Isolate*);
53 // Combo create/remove, for EventHandler setters in generated bindings:
54 void transferHiddenDependency(v8::Handle<v8::Object>, EventListener* oldValue, v8::Local<v8::Value> newValue, int cacheIndex, v8::Isolate*);
56 ExecutionContext* getExecutionContext();
58 typedef WTF::Vector<RefPtr<MessagePort>, 1> MessagePortArray;
59 typedef WTF::Vector<RefPtr<ArrayBuffer>, 1> ArrayBufferArray;
61 // Helper function which pulls the values out of a JS sequence and into a MessagePortArray.
62 // Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL spec and section 8.3.3
63 // of the HTML5 spec and generates exceptions as appropriate.
64 // Returns true if the array was filled, or false if the passed value was not of an appropriate type.
65 bool extractTransferables(v8::Local<v8::Value>, int, MessagePortArray&, ArrayBufferArray&, ExceptionState&, v8::Isolate*);
67 bool getMessagePortArray(v8::Local<v8::Value>, const String& propertyName, MessagePortArray&, v8::Isolate*);
68 bool getMessagePortArray(v8::Local<v8::Value>, int argumentIndex, MessagePortArray&, v8::Isolate*);
70 v8::Handle<v8::Function> getBoundFunction(v8::Handle<v8::Function> function);
72 } // namespace WebCore
74 #endif // V8Utilities_h