reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 1 | #ifndef SkScriptCallBack_DEFINED |
| 2 | #define SkScriptCallBack_DEFINED |
| 3 | |
| 4 | #include "SkOperand2.h" |
| 5 | #include "SkTDArray_Experimental.h" |
| 6 | |
| 7 | class SkScriptCallBack { |
| 8 | public: |
| 9 | enum Type { |
| 10 | kBox, |
| 11 | kFunction, |
| 12 | kMember, |
| 13 | kMemberFunction, |
| 14 | kProperty, |
| 15 | kUnbox |
| 16 | }; |
| 17 | |
| 18 | virtual bool getReference(const char* , size_t len, SkScriptValue2* result) { return false; } |
| 19 | virtual SkOperand2::OpType getReturnType(size_t ref, SkOperand2*) { |
| 20 | return SkOperand2::kS32; } |
| 21 | virtual Type getType() const = 0; |
| 22 | }; |
| 23 | |
| 24 | class SkScriptCallBackConvert : public SkScriptCallBack { |
| 25 | public: |
| 26 | virtual bool convert(SkOperand2::OpType type, SkOperand2* operand) = 0; |
| 27 | }; |
| 28 | |
| 29 | class SkScriptCallBackFunction : public SkScriptCallBack { |
| 30 | public: |
| 31 | virtual void getParamTypes(SkIntArray(SkOperand2::OpType)* types) = 0; |
| 32 | virtual Type getType() const { return kFunction; } |
| 33 | virtual bool invoke(size_t ref, SkOpArray* params, SkOperand2* value) = 0; |
| 34 | }; |
| 35 | |
| 36 | class SkScriptCallBackMember: public SkScriptCallBack { |
| 37 | public: |
| 38 | bool getMemberReference(const char* , size_t len, void* object, SkScriptValue2* ref); |
| 39 | virtual Type getType() const { return kMember; } |
| 40 | virtual bool invoke(size_t ref, void* object, SkOperand2* value) = 0; |
| 41 | }; |
| 42 | |
| 43 | class SkScriptCallBackMemberFunction : public SkScriptCallBack { |
| 44 | public: |
| 45 | bool getMemberReference(const char* , size_t len, void* object, SkScriptValue2* ref); |
| 46 | virtual void getParamTypes(SkIntArray(SkOperand2::OpType)* types) = 0; |
| 47 | virtual Type getType() const { return kMemberFunction; } |
| 48 | virtual bool invoke(size_t ref, void* object, SkOpArray* params, SkOperand2* value) = 0; |
| 49 | }; |
| 50 | |
| 51 | class SkScriptCallBackProperty : public SkScriptCallBack { |
| 52 | public: |
| 53 | virtual bool getConstValue(const char* name, size_t len, SkOperand2* value) { return false; } |
| 54 | virtual bool getResult(size_t ref, SkOperand2* answer) { return false; } |
| 55 | virtual Type getType() const { return kProperty; } |
| 56 | }; |
| 57 | |
| 58 | #endif // SkScriptCallBack_DEFINED |