/*
* Copyright (C) 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.
*/

#include <animation/SAnimation.h>

namespace SOUI {
	/**
	* An animation that controls the position of an object. See the
	* {@link android.view.animation full package} description for details and
	* sample code.
	*
	*/
	class SOUI_EXP STranslateAnimation : public SAnimation {
		SOUI_CLASS_NAME(STranslateAnimation,L"translate")

	private:
		ValueType mFromXType;
		ValueType mToXType;

		ValueType mFromYType;
		ValueType mToYType;
	protected:
		/** @hide */
		float mFromXValue;
		/** @hide */
		float mToXValue;

		/** @hide */
		float mFromYValue;
		/** @hide */
		float mToYValue;

		/** @hide */
		float mFromXDelta;
		/** @hide */
		float mToXDelta;
		/** @hide */
		float mFromYDelta;
		/** @hide */
		float mToYDelta;
	public: 
		STranslateAnimation();

		/**
		* Constructor to use when building a TranslateAnimation from code
		*
		* @param fromXDelta Change in X coordinate to apply at the start of the
		*        animation
		* @param toXDelta Change in X coordinate to apply at the end of the
		*        animation
		* @param fromYDelta Change in Y coordinate to apply at the start of the
		*        animation
		* @param toYDelta Change in Y coordinate to apply at the end of the
		*        animation
		*/
		void init(float fromXDelta=0.0f, float toXDelta=0.0f, float fromYDelta=0.0f, float toYDelta=0.0f);

		/**
		* Constructor to use when building a TranslateAnimation from code
		*
		* @param fromXType Specifies how fromXValue should be interpreted. One of
		*        Animation.ABSOLUTE, Animation.RELATIVE_TO_SELF, or
		*        Animation.RELATIVE_TO_PARENT.
		* @param fromXValue Change in X coordinate to apply at the start of the
		*        animation. This value can either be an absolute number if fromXType
		*        is ABSOLUTE, or a percentage (where 1.0 is 100%) otherwise.
		* @param toXType Specifies how toXValue should be interpreted. One of
		*        Animation.ABSOLUTE, Animation.RELATIVE_TO_SELF, or
		*        Animation.RELATIVE_TO_PARENT.
		* @param toXValue Change in X coordinate to apply at the end of the
		*        animation. This value can either be an absolute number if toXType
		*        is ABSOLUTE, or a percentage (where 1.0 is 100%) otherwise.
		* @param fromYType Specifies how fromYValue should be interpreted. One of
		*        Animation.ABSOLUTE, Animation.RELATIVE_TO_SELF, or
		*        Animation.RELATIVE_TO_PARENT.
		* @param fromYValue Change in Y coordinate to apply at the start of the
		*        animation. This value can either be an absolute number if fromYType
		*        is ABSOLUTE, or a percentage (where 1.0 is 100%) otherwise.
		* @param toYType Specifies how toYValue should be interpreted. One of
		*        Animation.ABSOLUTE, Animation.RELATIVE_TO_SELF, or
		*        Animation.RELATIVE_TO_PARENT.
		* @param toYValue Change in Y coordinate to apply at the end of the
		*        animation. This value can either be an absolute number if toYType
		*        is ABSOLUTE, or a percentage (where 1.0 is 100%) otherwise.
		*/
		void init(ValueType fromXType, float fromXValue, ValueType toXType, float toXValue,
			ValueType fromYType, float fromYValue, ValueType toYType, float toYValue);


	protected: 
		void applyTransformation(float interpolatedTime, STransformation& t);

	public: 
		void initialize(int width, int height, int parentWidth, int parentHeight);


		SOUI_ATTRS_BEGIN()
			ATTR_VALUE_DESC(L"fromXDelta", mFromXType, mFromXValue)
			ATTR_VALUE_DESC(L"toXDelta", mToXType,mToXValue)
			ATTR_VALUE_DESC(L"fromYDelta", mFromYType, mFromYValue)
			ATTR_VALUE_DESC(L"toYDelta", mToYType, mToYValue)
		SOUI_ATTRS_END()
	};

}