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/* |
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* JSampler - a java front-end for LinuxSampler |
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* |
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* Copyright (C) 2011 Grigor Iliev <grigor@grigoriliev.com> |
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* |
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* This file is part of JSampler. |
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* |
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* JSampler is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 |
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* as published by the Free Software Foundation. |
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* |
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* JSampler is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with JSampler; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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|
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package org.jsampler.android; |
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|
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import org.jsampler.CC; |
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import org.jsampler.android.view.AndroidMainFrame; |
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|
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import android.view.MotionEvent; |
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import android.view.animation.AccelerateInterpolator; |
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import android.view.animation.Animation; |
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import android.view.animation.TranslateAnimation; |
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|
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/** |
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* This class contains some android helper function. |
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* @author Grigor Iliev |
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*/ |
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public class AHF { |
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private static JSamplerActivity activity = null; |
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|
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public static JSamplerActivity |
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getActivity() { return activity; } |
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|
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public static AndroidMainFrame |
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getMainFrame() { return (AndroidMainFrame)CC.getMainFrame(); } |
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|
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public static void |
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setActivity(JSamplerActivity activity) { AHF.activity = activity; } |
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|
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public static Animation |
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inFromRightAnimation() { |
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Animation inFromRight = new TranslateAnimation ( |
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Animation.RELATIVE_TO_PARENT, 1.0f, |
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Animation.RELATIVE_TO_PARENT, 0.0f, |
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Animation.RELATIVE_TO_PARENT, 0.0f, |
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Animation.RELATIVE_TO_PARENT, 0.0f |
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); |
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inFromRight.setDuration(400); |
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inFromRight.setInterpolator(new AccelerateInterpolator()); |
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return inFromRight; |
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} |
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|
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public static Animation |
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outToLeftAnimation() { |
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Animation outToLeft = new TranslateAnimation ( |
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Animation.RELATIVE_TO_PARENT, 0.0f, |
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Animation.RELATIVE_TO_PARENT, -1.0f, |
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Animation.RELATIVE_TO_PARENT, 0.0f, |
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Animation.RELATIVE_TO_PARENT, 0.0f |
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); |
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outToLeft.setDuration(400); |
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outToLeft.setInterpolator(new AccelerateInterpolator()); |
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return outToLeft; |
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} |
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|
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public static Animation |
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inFromLeftAnimation() { |
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Animation inFromLeft = new TranslateAnimation ( |
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Animation.RELATIVE_TO_PARENT, -1.0f, |
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Animation.RELATIVE_TO_PARENT, 0.0f, |
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Animation.RELATIVE_TO_PARENT, 0.0f, |
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Animation.RELATIVE_TO_PARENT, 0.0f |
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); |
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inFromLeft.setDuration(400); |
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inFromLeft.setInterpolator(new AccelerateInterpolator()); |
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return inFromLeft; |
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} |
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|
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public static Animation |
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outToRightAnimation() { |
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Animation outToRight = new TranslateAnimation ( |
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Animation.RELATIVE_TO_PARENT, 0.0f, |
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Animation.RELATIVE_TO_PARENT, 1.0f, |
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Animation.RELATIVE_TO_PARENT, 0.0f, |
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Animation.RELATIVE_TO_PARENT, 0.0f |
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); |
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outToRight.setDuration(400); |
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outToRight.setInterpolator(new AccelerateInterpolator()); |
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return outToRight; |
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} |
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|
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public static boolean |
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isMotionHorizontal(MotionEvent e1, MotionEvent e2) { |
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return Math.abs(e1.getX() - e2.getX()) > Math.abs(e1.getY() - e2.getY()); |
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} |
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|
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public static boolean |
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isMotionVertical(MotionEvent e1, MotionEvent e2) { |
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return Math.abs(e1.getX() - e2.getX()) < Math.abs(e1.getY() - e2.getY()); |
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} |
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|
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public static boolean |
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isMotionLeftToRight(MotionEvent e1, MotionEvent e2, int min) { |
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return isMotionHorizontal(e1, e2) && e2.getX() - e1.getX() > min; |
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} |
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|
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public static boolean |
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isMotionRightToLeft(MotionEvent e1, MotionEvent e2, int min) { |
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return isMotionHorizontal(e1, e2) && e1.getX() - e2.getX() > min; |
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} |
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|
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public static boolean |
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isMotionUp(MotionEvent e1, MotionEvent e2, int min) { |
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return isMotionVertical(e1, e2) && e1.getY() - e2.getY() > min; |
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} |
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|
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public static boolean |
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isMotionDown(MotionEvent e1, MotionEvent e2, int min) { |
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return isMotionVertical(e1, e2) && e2.getY() - e1.getY() > min; |
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} |
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} |