1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
* Copyright (C) 2014 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.
*/
package org.kelar.inputmethod.accessibility;
import android.graphics.Rect;
import android.util.Log;
import android.view.MotionEvent;
import org.kelar.inputmethod.keyboard.Key;
import org.kelar.inputmethod.keyboard.KeyDetector;
import org.kelar.inputmethod.keyboard.MoreKeysKeyboardView;
import org.kelar.inputmethod.keyboard.PointerTracker;
/**
* This class represents a delegate that can be registered in {@link MoreKeysKeyboardView} to
* enhance accessibility support via composition rather via inheritance.
*/
public class MoreKeysKeyboardAccessibilityDelegate
extends KeyboardAccessibilityDelegate<MoreKeysKeyboardView> {
private static final String TAG = MoreKeysKeyboardAccessibilityDelegate.class.getSimpleName();
private final Rect mMoreKeysKeyboardValidBounds = new Rect();
private static final int CLOSING_INSET_IN_PIXEL = 1;
private int mOpenAnnounceResId;
private int mCloseAnnounceResId;
public MoreKeysKeyboardAccessibilityDelegate(final MoreKeysKeyboardView moreKeysKeyboardView,
final KeyDetector keyDetector) {
super(moreKeysKeyboardView, keyDetector);
}
public void setOpenAnnounce(final int resId) {
mOpenAnnounceResId = resId;
}
public void setCloseAnnounce(final int resId) {
mCloseAnnounceResId = resId;
}
public void onShowMoreKeysKeyboard() {
sendWindowStateChanged(mOpenAnnounceResId);
}
public void onDismissMoreKeysKeyboard() {
sendWindowStateChanged(mCloseAnnounceResId);
}
@Override
protected void onHoverEnter(final MotionEvent event) {
if (DEBUG_HOVER) {
Log.d(TAG, "onHoverEnter: key=" + getHoverKeyOf(event));
}
super.onHoverEnter(event);
final int actionIndex = event.getActionIndex();
final int x = (int)event.getX(actionIndex);
final int y = (int)event.getY(actionIndex);
final int pointerId = event.getPointerId(actionIndex);
final long eventTime = event.getEventTime();
mKeyboardView.onDownEvent(x, y, pointerId, eventTime);
}
@Override
protected void onHoverMove(final MotionEvent event) {
super.onHoverMove(event);
final int actionIndex = event.getActionIndex();
final int x = (int)event.getX(actionIndex);
final int y = (int)event.getY(actionIndex);
final int pointerId = event.getPointerId(actionIndex);
final long eventTime = event.getEventTime();
mKeyboardView.onMoveEvent(x, y, pointerId, eventTime);
}
@Override
protected void onHoverExit(final MotionEvent event) {
final Key lastKey = getLastHoverKey();
if (DEBUG_HOVER) {
Log.d(TAG, "onHoverExit: key=" + getHoverKeyOf(event) + " last=" + lastKey);
}
if (lastKey != null) {
super.onHoverExitFrom(lastKey);
}
setLastHoverKey(null);
final int actionIndex = event.getActionIndex();
final int x = (int)event.getX(actionIndex);
final int y = (int)event.getY(actionIndex);
final int pointerId = event.getPointerId(actionIndex);
final long eventTime = event.getEventTime();
// A hover exit event at one pixel width or height area on the edges of more keys keyboard
// are treated as closing.
mMoreKeysKeyboardValidBounds.set(0, 0, mKeyboardView.getWidth(), mKeyboardView.getHeight());
mMoreKeysKeyboardValidBounds.inset(CLOSING_INSET_IN_PIXEL, CLOSING_INSET_IN_PIXEL);
if (mMoreKeysKeyboardValidBounds.contains(x, y)) {
// Invoke {@link MoreKeysKeyboardView#onUpEvent(int,int,int,long)} as if this hover
// exit event selects a key.
mKeyboardView.onUpEvent(x, y, pointerId, eventTime);
// TODO: Should fix this reference. This is a hack to clear the state of
// {@link PointerTracker}.
PointerTracker.dismissAllMoreKeysPanels();
return;
}
// Close the more keys keyboard.
// TODO: Should fix this reference. This is a hack to clear the state of
// {@link PointerTracker}.
PointerTracker.dismissAllMoreKeysPanels();
}
}
|
