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/* libs/graphics/animator/SkAnimatorScript.h
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#ifndef SkAnimatorScript_DEFINED
#define SkAnimatorScript_DEFINED
#include "SkDisplayable.h"
#include "SkScript.h"
#include "SkTypedArray.h"
class SkAnimateMaker;
struct SkMemberInfo;
struct SkDisplayEnumMap {
SkDisplayTypes fType;
const char* fValues;
};
class SkAnimatorScript : public SkScriptEngine {
public:
SkAnimatorScript(SkAnimateMaker& , SkDisplayable* , SkDisplayTypes type);
~SkAnimatorScript();
bool evaluate(const char* script, SkScriptValue* , SkDisplayTypes type);
void track(SkDisplayable* displayable) {
SkASSERT(fTrackDisplayable.find(displayable) < 0);
*fTrackDisplayable.append() = displayable; }
static bool EvaluateDisplayable(SkAnimateMaker& , SkDisplayable* , const char* script, SkDisplayable** );
static bool EvaluateFloat(SkAnimateMaker& , SkDisplayable* , const char* script, SkScalar* );
static bool EvaluateInt(SkAnimateMaker& , SkDisplayable* , const char* script, int32_t* );
static bool EvaluateString(SkAnimateMaker& , SkDisplayable* , const char* script, SkString* );
static bool EvaluateString(SkAnimateMaker& , SkDisplayable* , SkDisplayable* parent, const char* script, SkString* );
static bool MapEnums(const char* ptr, const char* match, size_t len, int* value);
protected:
static bool Box(void* user, SkScriptValue* );
static bool Eval(const char* function, size_t len, SkTDArray<SkScriptValue>& params,
void* callBack, SkScriptValue* );
static bool EvalEnum(const char* token, size_t len, void* callBack, SkScriptValue* );
static bool EvalID(const char* token, size_t len, void* callBack, SkScriptValue* );
static bool EvalMember(const char* member, size_t len, void* object, void* eng,
SkScriptValue* value);
static bool EvalMemberCommon(SkScriptEngine* , const SkMemberInfo* info,
SkDisplayable* displayable, SkScriptValue* value);
static bool EvalMemberFunction(const char* member, size_t len, void* object,
SkTDArray<SkScriptValue>& params, void* user, SkScriptValue* value);
static bool EvalNamedColor(const char* token, size_t len, void* callBack, SkScriptValue* );
static bool EvalRGB(const char* function, size_t len, SkTDArray<SkScriptValue>& params,
void* callBack, SkScriptValue* );
static const SkDisplayEnumMap& GetEnumValues(SkDisplayTypes type);
static bool Infinity(const char* token, size_t len, void* callBack, SkScriptValue* );
static bool IsFinite(const char* function, size_t len, SkTDArray<SkScriptValue>& params,
void* callBack, SkScriptValue* );
static bool IsNaN(const char* function, size_t len, SkTDArray<SkScriptValue>& params,
void* callBack, SkScriptValue* );
static bool NaN(const char* token, size_t len, void* callBack, SkScriptValue* );
static bool Unbox(void* , SkScriptValue* scriptValue);
SkTDDisplayableArray fTrackDisplayable;
SkAnimateMaker& fMaker;
SkDisplayable* fParent;
SkDisplayable* fWorking;
private:
friend class SkDump;
friend struct SkScriptNAnswer;
#ifdef SK_SUPPORT_UNITTEST
public:
static void UnitTest();
#endif
};
#endif // SkAnimatorScript_DEFINED
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