1 2 /* 3 * Copyright 2006 The Android Open Source Project 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 10 #ifndef SkAnimatorScript_DEFINED 11 #define SkAnimatorScript_DEFINED 12 13 #include "SkDisplayable.h" 14 #include "SkScript.h" 15 #include "SkTypedArray.h" 16 17 class SkAnimateMaker; 18 struct SkMemberInfo; 19 20 struct SkDisplayEnumMap { 21 SkDisplayTypes fType; 22 const char* fValues; 23 }; 24 25 class SkAnimatorScript : public SkScriptEngine { 26 public: 27 SkAnimatorScript(SkAnimateMaker& , SkDisplayable* , SkDisplayTypes type); 28 ~SkAnimatorScript(); 29 bool evaluate(const char* script, SkScriptValue* , SkDisplayTypes type); track(SkDisplayable * displayable)30 void track(SkDisplayable* displayable) { 31 SkASSERT(fTrackDisplayable.find(displayable) < 0); 32 *fTrackDisplayable.append() = displayable; } 33 static bool EvaluateDisplayable(SkAnimateMaker& , SkDisplayable* , const char* script, SkDisplayable** ); 34 static bool EvaluateFloat(SkAnimateMaker& , SkDisplayable* , const char* script, SkScalar* ); 35 static bool EvaluateInt(SkAnimateMaker& , SkDisplayable* , const char* script, int32_t* ); 36 static bool EvaluateString(SkAnimateMaker& , SkDisplayable* , const char* script, SkString* ); 37 static bool EvaluateString(SkAnimateMaker& , SkDisplayable* , SkDisplayable* parent, const char* script, SkString* ); 38 static bool MapEnums(const char* ptr, const char* match, size_t len, int* value); 39 protected: 40 static bool Box(void* user, SkScriptValue* ); 41 static bool Eval(const char* function, size_t len, SkTDArray<SkScriptValue>& params, 42 void* callBack, SkScriptValue* ); 43 static bool EvalEnum(const char* token, size_t len, void* callBack, SkScriptValue* ); 44 static bool EvalID(const char* token, size_t len, void* callBack, SkScriptValue* ); 45 static bool EvalMember(const char* member, size_t len, void* object, void* eng, 46 SkScriptValue* value); 47 static bool EvalMemberCommon(SkScriptEngine* , const SkMemberInfo* info, 48 SkDisplayable* displayable, SkScriptValue* value); 49 static bool EvalMemberFunction(const char* member, size_t len, void* object, 50 SkTDArray<SkScriptValue>& params, void* user, SkScriptValue* value); 51 static bool EvalNamedColor(const char* token, size_t len, void* callBack, SkScriptValue* ); 52 static bool EvalRGB(const char* function, size_t len, SkTDArray<SkScriptValue>& params, 53 void* callBack, SkScriptValue* ); 54 static const SkDisplayEnumMap& GetEnumValues(SkDisplayTypes type); 55 static bool Infinity(const char* token, size_t len, void* callBack, SkScriptValue* ); 56 static bool IsFinite(const char* function, size_t len, SkTDArray<SkScriptValue>& params, 57 void* callBack, SkScriptValue* ); 58 static bool IsNaN(const char* function, size_t len, SkTDArray<SkScriptValue>& params, 59 void* callBack, SkScriptValue* ); 60 static bool NaN(const char* token, size_t len, void* callBack, SkScriptValue* ); 61 static bool Unbox(void* , SkScriptValue* scriptValue); 62 SkTDDisplayableArray fTrackDisplayable; 63 SkAnimateMaker& fMaker; 64 SkDisplayable* fParent; 65 SkDisplayable* fWorking; 66 private: 67 friend class SkDump; 68 friend struct SkScriptNAnswer; 69 #ifdef SK_SUPPORT_UNITTEST 70 public: 71 static void UnitTest(); 72 #endif 73 }; 74 75 #endif // SkAnimatorScript_DEFINED 76