1 /*
2 * Copyright (c) 2007, 2017 Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package org.jemmy.input;
26
27 import org.jemmy.JemmyException;
28 import org.jemmy.Point;
29 import org.jemmy.Rectangle;
30 import org.jemmy.Vector;
31 import org.jemmy.env.Timeout;
32 import org.jemmy.action.Action;
33 import org.jemmy.control.Wrap;
34 import org.jemmy.interfaces.Caret;
35 import org.jemmy.interfaces.Drag;
36 import org.jemmy.interfaces.Scroll;
37
38 /**
39 * Performs scrolling by doing d'n'd of a "knob" wrap. To be used for controls
40 * like scroll bars, sliders.
41 * @author shura
42 */
43 public abstract class KnobDragScrollerImpl implements Caret {
44
45 public static final int MAX_SCROLL_ATTEMPTS = 5;
46
47 Wrap<?> wrap;
48 Scroll scroll;
49 float dragDelta = 1;
50 boolean reverse;
51
52 /**
53 *
54 * @param wrap
55 * @param scroll
56 */
57 public KnobDragScrollerImpl(Wrap<?> wrap, Scroll scroll) {
58 this.wrap = wrap;
59 this.scroll = scroll;
60 }
61
62 public KnobDragScrollerImpl(Wrap<?> wrap, Scroll scroll, boolean reverse) {
63 this(wrap, scroll);
64 this.reverse = reverse;
65 }
66
67 /**
68 *
69 * @return
70 */
71 public Wrap<?> getWrap() {
72 return wrap;
73 }
74
75 /**
76 *
77 * @return
78 */
79 public abstract Vector getScrollVector();
80
81 /**
82 *
83 * @param dragDelta
84 */
85 public void setDragDelta(float dragDelta) {
86 this.dragDelta = dragDelta;
87 }
88
89 private void toKnob(Wrap<?> knob, Point inWrap) {
90 inWrap.translate(wrap.getScreenBounds().x, wrap.getScreenBounds().y);
91 inWrap.translate(-knob.getScreenBounds().x, -knob.getScreenBounds().y);
92 }
93
94 private void toWrap(Wrap<?> knob, Point inWrap) {
95 inWrap.translate(knob.getScreenBounds().x, knob.getScreenBounds().y);
96 inWrap.translate(-wrap.getScreenBounds().x, -wrap.getScreenBounds().y);
97 }
98
99 public void to(double value) {
100 scroll.to(value);
101 }
102
103 public void to(final Direction condition) {
104 wrap.getEnvironment().getExecutor().execute(wrap.getEnvironment(), false, new Action() {
105
106 @Override
107 public void run(Object... parameters) {
108 int toOrig;
109 int dragAttempt = 0;
110 Timeout moveTimeout = wrap.getEnvironment().getTimeout(Drag.IN_DRAG_TIMEOUT).clone();
111 while((toOrig = condition.to()) != 0) {
112 Vector axis = getScrollVector().
113 multiply(toOrig).setLenght(dragDelta);
114 if (reverse) {
115 axis.multiply(-1);
116 }
117 Vector shift = axis.clone();
118 Wrap<?> knob = getKnob();
119 Point orig = new Point(knob.getScreenBounds().getX() + knob.getScreenBounds().getWidth()/2, knob.getScreenBounds().getY() + knob.getScreenBounds().getHeight()/2);
120 knob.mouse().move(knob.toLocal(orig.getLocation()));
121 knob.mouse().press();
122 wrap.getEnvironment().getTimeout(Drag.BEFORE_DRAG_TIMEOUT).sleep();
123 try {
124 while (condition.to() == toOrig) {
125 wrap.getEnvironment().getTimeout(Drag.IN_DRAG_TIMEOUT).sleep();
126 // Rectangle old_pos = knob.getScreenBounds();
127 knob.mouse().move(knob.toLocal(orig.getLocation().translate(shift)));
128 // if (old_pos.equals(knob.getScreenBounds())) { // TODO: it would be better to check if we achieve maximum position
129 // break;
130 // }
131 if(scroll.position() == scroll.minimum() || scroll.position() == scroll.maximum()) {
132 break;
133 }
134 shift.add(axis);
135 }
136 } finally {
137 wrap.getEnvironment().getTimeout(Drag.BEFORE_DROP_TIMEOUT).sleep();
138 knob.mouse().release();
139 }
140 dragAttempt++;
141 if(dragAttempt >= MAX_SCROLL_ATTEMPTS) {
142 //did what we could
143 return;
144 }
145 //slow dow the scrolling
146 moveTimeout.setValue((long) (moveTimeout.getValue() * 1.5));
147 }
148 }
149 });
150 }
151
152 /*
153 * Create another class for this perhaps
154 private void initialDrag(double value) {
155 Point hp = getEndPoint(false);
156 Point lp = getEndPoint(true);
157 double xdiff = hp.x - lp.x;
158 double ydiff = hp.y - lp.y;
159 double ratio = value / (scroll.maximum() - scroll.minimum());
160 Wrap<?> knob = getKnob();
161 Point p = new Point(xdiff * ratio, ydiff * ratio);
162 toKnob(knob, p);
163 Point clickPoint = knob.getClickPoint();
164 p.translate(clickPoint.x, clickPoint.y);
165 knob.drag().dnd(clickPoint, knob, p);
166 }
167 *
168 */
169 /**
170 *
171 * @return
172 */
173 protected abstract Wrap<?> getKnob();
174 }