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