jsampler/android/AHF.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2011 Grigor Iliev <grigor@grigoriliev.com>
 *
 *   This file is part of JSampler.
 *
 *   JSampler is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2
 *   as published by the Free Software Foundation.
 *
 *   JSampler is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with JSampler; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *   MA  02111-1307  USA
 */

package org.jsampler.android;

import org.jsampler.CC;
import org.jsampler.android.view.AndroidMainFrame;

import android.view.MotionEvent;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;

/**
 * This class contains some android helper function.
 * @author Grigor Iliev
 */
public class AHF {
        private static JSamplerActivity activity = null;
        
        public static JSamplerActivity
        getActivity() { return activity; }
        
        public static AndroidMainFrame
        getMainFrame() { return (AndroidMainFrame)CC.getMainFrame(); }
        
        public static void
        setActivity(JSamplerActivity activity) { AHF.activity = activity; }
        
        public static Animation
        inFromRightAnimation() {
                Animation inFromRight = new TranslateAnimation (
                        Animation.RELATIVE_TO_PARENT, 1.0f,
                        Animation.RELATIVE_TO_PARENT, 0.0f,
                        Animation.RELATIVE_TO_PARENT, 0.0f,
                        Animation.RELATIVE_TO_PARENT, 0.0f
                );
                inFromRight.setDuration(400);
                inFromRight.setInterpolator(new AccelerateInterpolator());
                return inFromRight;
        }
        
        public static Animation
        outToLeftAnimation() {
                Animation outToLeft = new TranslateAnimation (
                        Animation.RELATIVE_TO_PARENT,  0.0f,
                        Animation.RELATIVE_TO_PARENT, -1.0f,
                        Animation.RELATIVE_TO_PARENT,  0.0f,
                        Animation.RELATIVE_TO_PARENT,  0.0f
                );
                outToLeft.setDuration(400);
                outToLeft.setInterpolator(new AccelerateInterpolator());
                return outToLeft;
        }

        public static Animation
        inFromLeftAnimation() {
                Animation inFromLeft = new TranslateAnimation (
                        Animation.RELATIVE_TO_PARENT, -1.0f,
                        Animation.RELATIVE_TO_PARENT,  0.0f,
                        Animation.RELATIVE_TO_PARENT,  0.0f,
                        Animation.RELATIVE_TO_PARENT,  0.0f
                );
                inFromLeft.setDuration(400);
                inFromLeft.setInterpolator(new AccelerateInterpolator());
                return inFromLeft;
        }
        
        public static Animation
        outToRightAnimation() {
                Animation outToRight = new TranslateAnimation (
                        Animation.RELATIVE_TO_PARENT, 0.0f,
                        Animation.RELATIVE_TO_PARENT, 1.0f,
                        Animation.RELATIVE_TO_PARENT, 0.0f,
                        Animation.RELATIVE_TO_PARENT, 0.0f
                );
                outToRight.setDuration(400);
                outToRight.setInterpolator(new AccelerateInterpolator());
                return outToRight;
        }
        
        public static boolean
        isMotionHorizontal(MotionEvent e1, MotionEvent e2) {
                return Math.abs(e1.getX() - e2.getX()) > Math.abs(e1.getY() - e2.getY());
        }
        
        public static boolean
        isMotionVertical(MotionEvent e1, MotionEvent e2) {
                return Math.abs(e1.getX() - e2.getX()) < Math.abs(e1.getY() - e2.getY());
        }
        
        public static boolean
        isMotionLeftToRight(MotionEvent e1, MotionEvent e2, int min) {
                return isMotionHorizontal(e1, e2) && e2.getX() - e1.getX() > min;
        }
        
        public static boolean
        isMotionRightToLeft(MotionEvent e1, MotionEvent e2, int min) {
                return isMotionHorizontal(e1, e2) && e1.getX() - e2.getX() > min;
        }
        
        public static boolean
        isMotionUp(MotionEvent e1, MotionEvent e2, int min) {
                return isMotionVertical(e1, e2) && e1.getY() - e2.getY() > min;
        }
        
        public static boolean
        isMotionDown(MotionEvent e1, MotionEvent e2, int min) {
                return isMotionVertical(e1, e2) && e2.getY() - e1.getY() > min;
        }
}
1	iliev	2302	/*
2			* JSampler - a java front-end for LinuxSampler
3			*
4			* Copyright (C) 2011 Grigor Iliev <grigor@grigoriliev.com>
5			*
6			* This file is part of JSampler.
7			*
8			* JSampler is free software; you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License version 2
10			* as published by the Free Software Foundation.
11			*
12			* JSampler is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with JSampler; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20			* MA 02111-1307 USA
21			*/
22
23			package org.jsampler.android;
24
25			import org.jsampler.CC;
26			import org.jsampler.android.view.AndroidMainFrame;
27
28			import android.view.MotionEvent;
29			import android.view.animation.AccelerateInterpolator;
30			import android.view.animation.Animation;
31			import android.view.animation.TranslateAnimation;
32
33			/**
34			* This class contains some android helper function.
35			* @author Grigor Iliev
36			*/
37			public class AHF {
38			private static JSamplerActivity activity = null;
39
40			public static JSamplerActivity
41			getActivity() { return activity; }
42
43			public static AndroidMainFrame
44			getMainFrame() { return (AndroidMainFrame)CC.getMainFrame(); }
45
46			public static void
47			setActivity(JSamplerActivity activity) { AHF.activity = activity; }
48
49			public static Animation
50			inFromRightAnimation() {
51			Animation inFromRight = new TranslateAnimation (
52			Animation.RELATIVE_TO_PARENT, 1.0f,
53			Animation.RELATIVE_TO_PARENT, 0.0f,
54			Animation.RELATIVE_TO_PARENT, 0.0f,
55			Animation.RELATIVE_TO_PARENT, 0.0f
56			);
57			inFromRight.setDuration(400);
58			inFromRight.setInterpolator(new AccelerateInterpolator());
59			return inFromRight;
60			}
61
62			public static Animation
63			outToLeftAnimation() {
64			Animation outToLeft = new TranslateAnimation (
65			Animation.RELATIVE_TO_PARENT, 0.0f,
66			Animation.RELATIVE_TO_PARENT, -1.0f,
67			Animation.RELATIVE_TO_PARENT, 0.0f,
68			Animation.RELATIVE_TO_PARENT, 0.0f
69			);
70			outToLeft.setDuration(400);
71			outToLeft.setInterpolator(new AccelerateInterpolator());
72			return outToLeft;
73			}
74
75			public static Animation
76			inFromLeftAnimation() {
77			Animation inFromLeft = new TranslateAnimation (
78			Animation.RELATIVE_TO_PARENT, -1.0f,
79			Animation.RELATIVE_TO_PARENT, 0.0f,
80			Animation.RELATIVE_TO_PARENT, 0.0f,
81			Animation.RELATIVE_TO_PARENT, 0.0f
82			);
83			inFromLeft.setDuration(400);
84			inFromLeft.setInterpolator(new AccelerateInterpolator());
85			return inFromLeft;
86			}
87
88			public static Animation
89			outToRightAnimation() {
90			Animation outToRight = new TranslateAnimation (
91			Animation.RELATIVE_TO_PARENT, 0.0f,
92			Animation.RELATIVE_TO_PARENT, 1.0f,
93			Animation.RELATIVE_TO_PARENT, 0.0f,
94			Animation.RELATIVE_TO_PARENT, 0.0f
95			);
96			outToRight.setDuration(400);
97			outToRight.setInterpolator(new AccelerateInterpolator());
98			return outToRight;
99			}
100
101			public static boolean
102			isMotionHorizontal(MotionEvent e1, MotionEvent e2) {
103			return Math.abs(e1.getX() - e2.getX()) > Math.abs(e1.getY() - e2.getY());
104			}
105
106			public static boolean
107			isMotionVertical(MotionEvent e1, MotionEvent e2) {
108			return Math.abs(e1.getX() - e2.getX()) < Math.abs(e1.getY() - e2.getY());
109			}
110
111			public static boolean
112			isMotionLeftToRight(MotionEvent e1, MotionEvent e2, int min) {
113			return isMotionHorizontal(e1, e2) && e2.getX() - e1.getX() > min;
114			}
115
116			public static boolean
117			isMotionRightToLeft(MotionEvent e1, MotionEvent e2, int min) {
118			return isMotionHorizontal(e1, e2) && e1.getX() - e2.getX() > min;
119			}
120
121			public static boolean
122			isMotionUp(MotionEvent e1, MotionEvent e2, int min) {
123			return isMotionVertical(e1, e2) && e1.getY() - e2.getY() > min;
124			}
125
126			public static boolean
127			isMotionDown(MotionEvent e1, MotionEvent e2, int min) {
128			return isMotionVertical(e1, e2) && e2.getY() - e1.getY() > min;
129			}
130			}