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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/*
* Copyright (C) 2013 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 com.android.inputmethod.keyboard.internal;
import android.os.Message;
import android.os.SystemClock;
import android.view.ViewConfiguration;
import com.android.inputmethod.keyboard.Key;
import com.android.inputmethod.keyboard.PointerTracker;
import com.android.inputmethod.latin.common.Constants;
import com.android.inputmethod.latin.utils.LeakGuardHandlerWrapper;
import javax.annotation.Nonnull;
public final class TimerHandler extends LeakGuardHandlerWrapper<DrawingProxy>
implements TimerProxy {
private static final int MSG_TYPING_STATE_EXPIRED = 0;
private static final int MSG_REPEAT_KEY = 1;
private static final int MSG_LONGPRESS_KEY = 2;
private static final int MSG_LONGPRESS_SHIFT_KEY = 3;
private static final int MSG_DOUBLE_TAP_SHIFT_KEY = 4;
private static final int MSG_UPDATE_BATCH_INPUT = 5;
private static final int MSG_DISMISS_KEY_PREVIEW = 6;
private static final int MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT = 7;
private final int mIgnoreAltCodeKeyTimeout;
private final int mGestureRecognitionUpdateTime;
public TimerHandler(@Nonnull final DrawingProxy ownerInstance,
final int ignoreAltCodeKeyTimeout, final int gestureRecognitionUpdateTime) {
super(ownerInstance);
mIgnoreAltCodeKeyTimeout = ignoreAltCodeKeyTimeout;
mGestureRecognitionUpdateTime = gestureRecognitionUpdateTime;
}
@Override
public void handleMessage(final Message msg) {
final DrawingProxy drawingProxy = getOwnerInstance();
if (drawingProxy == null) {
return;
}
switch (msg.what) {
case MSG_TYPING_STATE_EXPIRED:
drawingProxy.startWhileTypingAnimation(DrawingProxy.FADE_IN);
break;
case MSG_REPEAT_KEY:
final PointerTracker tracker1 = (PointerTracker) msg.obj;
tracker1.onKeyRepeat(msg.arg1 /* code */, msg.arg2 /* repeatCount */);
break;
case MSG_LONGPRESS_KEY:
case MSG_LONGPRESS_SHIFT_KEY:
cancelLongPressTimers();
final PointerTracker tracker2 = (PointerTracker) msg.obj;
tracker2.onLongPressed();
break;
case MSG_UPDATE_BATCH_INPUT:
final PointerTracker tracker3 = (PointerTracker) msg.obj;
tracker3.updateBatchInputByTimer(SystemClock.uptimeMillis());
startUpdateBatchInputTimer(tracker3);
break;
case MSG_DISMISS_KEY_PREVIEW:
drawingProxy.onKeyReleased((Key) msg.obj, false /* withAnimation */);
break;
case MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT:
drawingProxy.dismissGestureFloatingPreviewTextWithoutDelay();
break;
}
}
@Override
public void startKeyRepeatTimerOf(@Nonnull final PointerTracker tracker, final int repeatCount,
final int delay) {
final Key key = tracker.getKey();
if (key == null || delay == 0) {
return;
}
sendMessageDelayed(
obtainMessage(MSG_REPEAT_KEY, key.getCode(), repeatCount, tracker), delay);
}
private void cancelKeyRepeatTimerOf(final PointerTracker tracker) {
removeMessages(MSG_REPEAT_KEY, tracker);
}
public void cancelKeyRepeatTimers() {
removeMessages(MSG_REPEAT_KEY);
}
// TODO: Suppress layout changes in key repeat mode
public boolean isInKeyRepeat() {
return hasMessages(MSG_REPEAT_KEY);
}
@Override
public void startLongPressTimerOf(@Nonnull final PointerTracker tracker, final int delay) {
final Key key = tracker.getKey();
if (key == null) {
return;
}
// Use a separate message id for long pressing shift key, because long press shift key
// timers should be canceled when other key is pressed.
final int messageId = (key.getCode() == Constants.CODE_SHIFT)
? MSG_LONGPRESS_SHIFT_KEY : MSG_LONGPRESS_KEY;
sendMessageDelayed(obtainMessage(messageId, tracker), delay);
}
@Override
public void cancelLongPressTimersOf(@Nonnull final PointerTracker tracker) {
removeMessages(MSG_LONGPRESS_KEY, tracker);
removeMessages(MSG_LONGPRESS_SHIFT_KEY, tracker);
}
@Override
public void cancelLongPressShiftKeyTimer() {
removeMessages(MSG_LONGPRESS_SHIFT_KEY);
}
public void cancelLongPressTimers() {
removeMessages(MSG_LONGPRESS_KEY);
removeMessages(MSG_LONGPRESS_SHIFT_KEY);
}
@Override
public void startTypingStateTimer(@Nonnull final Key typedKey) {
if (typedKey.isModifier() || typedKey.altCodeWhileTyping()) {
return;
}
final boolean isTyping = isTypingState();
removeMessages(MSG_TYPING_STATE_EXPIRED);
final DrawingProxy drawingProxy = getOwnerInstance();
if (drawingProxy == null) {
return;
}
// When user hits the space or the enter key, just cancel the while-typing timer.
final int typedCode = typedKey.getCode();
if (typedCode == Constants.CODE_SPACE || typedCode == Constants.CODE_ENTER) {
if (isTyping) {
drawingProxy.startWhileTypingAnimation(DrawingProxy.FADE_IN);
}
return;
}
sendMessageDelayed(
obtainMessage(MSG_TYPING_STATE_EXPIRED), mIgnoreAltCodeKeyTimeout);
if (isTyping) {
return;
}
drawingProxy.startWhileTypingAnimation(DrawingProxy.FADE_OUT);
}
@Override
public boolean isTypingState() {
return hasMessages(MSG_TYPING_STATE_EXPIRED);
}
@Override
public void startDoubleTapShiftKeyTimer() {
sendMessageDelayed(obtainMessage(MSG_DOUBLE_TAP_SHIFT_KEY),
ViewConfiguration.getDoubleTapTimeout());
}
@Override
public void cancelDoubleTapShiftKeyTimer() {
removeMessages(MSG_DOUBLE_TAP_SHIFT_KEY);
}
@Override
public boolean isInDoubleTapShiftKeyTimeout() {
return hasMessages(MSG_DOUBLE_TAP_SHIFT_KEY);
}
@Override
public void cancelKeyTimersOf(@Nonnull final PointerTracker tracker) {
cancelKeyRepeatTimerOf(tracker);
cancelLongPressTimersOf(tracker);
}
public void cancelAllKeyTimers() {
cancelKeyRepeatTimers();
cancelLongPressTimers();
}
@Override
public void startUpdateBatchInputTimer(@Nonnull final PointerTracker tracker) {
if (mGestureRecognitionUpdateTime <= 0) {
return;
}
removeMessages(MSG_UPDATE_BATCH_INPUT, tracker);
sendMessageDelayed(obtainMessage(MSG_UPDATE_BATCH_INPUT, tracker),
mGestureRecognitionUpdateTime);
}
@Override
public void cancelUpdateBatchInputTimer(@Nonnull final PointerTracker tracker) {
removeMessages(MSG_UPDATE_BATCH_INPUT, tracker);
}
@Override
public void cancelAllUpdateBatchInputTimers() {
removeMessages(MSG_UPDATE_BATCH_INPUT);
}
public void postDismissKeyPreview(@Nonnull final Key key, final long delay) {
sendMessageDelayed(obtainMessage(MSG_DISMISS_KEY_PREVIEW, key), delay);
}
public void postDismissGestureFloatingPreviewText(final long delay) {
sendMessageDelayed(obtainMessage(MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT), delay);
}
public void cancelAllMessages() {
cancelAllKeyTimers();
cancelAllUpdateBatchInputTimers();
removeMessages(MSG_DISMISS_KEY_PREVIEW);
removeMessages(MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT);
}
}
|
