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
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
|
/*
* Copyright (C) 2008 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 android.text.style;
import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.TypedArray;
import android.graphics.Typeface;
import android.os.Parcel;
import android.text.ParcelableSpan;
import android.text.TextPaint;
import android.text.TextUtils;
/**
* Sets the text color, size, style, and typeface to match a TextAppearance
* resource.
*/
public class TextAppearanceSpan extends MetricAffectingSpan implements ParcelableSpan {
private final String mTypeface;
private final int mStyle;
private final int mTextSize;
private final ColorStateList mTextColor;
private final ColorStateList mTextColorLink;
/**
* Uses the specified TextAppearance resource to determine the
* text appearance. The <code>appearance</code> should be, for example,
* <code>android.R.style.TextAppearance_Small</code>.
*/
public TextAppearanceSpan(Context context, int appearance) {
this(context, appearance, -1);
}
/**
* Uses the specified TextAppearance resource to determine the
* text appearance, and the specified text color resource
* to determine the color. The <code>appearance</code> should be,
* for example, <code>android.R.style.TextAppearance_Small</code>,
* and the <code>colorList</code> should be, for example,
* <code>android.R.styleable.Theme_textColorPrimary</code>.
*/
public TextAppearanceSpan(Context context, int appearance, int colorList) {
ColorStateList textColor;
TypedArray a =
context.obtainStyledAttributes(appearance,
com.android.internal.R.styleable.TextAppearance);
textColor = a.getColorStateList(com.android.internal.R.styleable.
TextAppearance_textColor);
mTextColorLink = a.getColorStateList(com.android.internal.R.styleable.
TextAppearance_textColorLink);
mTextSize = a.getDimensionPixelSize(com.android.internal.R.styleable.
TextAppearance_textSize, -1);
mStyle = a.getInt(com.android.internal.R.styleable.TextAppearance_textStyle, 0);
String family = a.getString(com.android.internal.R.styleable.TextAppearance_fontFamily);
if (family != null) {
mTypeface = family;
} else {
int tf = a.getInt(com.android.internal.R.styleable.TextAppearance_typeface, 0);
switch (tf) {
case 1:
mTypeface = "sans";
break;
case 2:
mTypeface = "serif";
break;
case 3:
mTypeface = "monospace";
break;
default:
mTypeface = null;
break;
}
}
a.recycle();
if (colorList >= 0) {
a = context.obtainStyledAttributes(com.android.internal.R.style.Theme,
com.android.internal.R.styleable.Theme);
textColor = a.getColorStateList(colorList);
a.recycle();
}
mTextColor = textColor;
}
/**
* Makes text be drawn with the specified typeface, size, style,
* and colors.
*/
public TextAppearanceSpan(String family, int style, int size,
ColorStateList color, ColorStateList linkColor) {
mTypeface = family;
mStyle = style;
mTextSize = size;
mTextColor = color;
mTextColorLink = linkColor;
}
public TextAppearanceSpan(Parcel src) {
mTypeface = src.readString();
mStyle = src.readInt();
mTextSize = src.readInt();
if (src.readInt() != 0) {
mTextColor = ColorStateList.CREATOR.createFromParcel(src);
} else {
mTextColor = null;
}
if (src.readInt() != 0) {
mTextColorLink = ColorStateList.CREATOR.createFromParcel(src);
} else {
mTextColorLink = null;
}
}
public int getSpanTypeId() {
return TextUtils.TEXT_APPEARANCE_SPAN;
}
public int describeContents() {
return 0;
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeString(mTypeface);
dest.writeInt(mStyle);
dest.writeInt(mTextSize);
if (mTextColor != null) {
dest.writeInt(1);
mTextColor.writeToParcel(dest, flags);
} else {
dest.writeInt(0);
}
if (mTextColorLink != null) {
dest.writeInt(1);
mTextColorLink.writeToParcel(dest, flags);
} else {
dest.writeInt(0);
}
}
/**
* Returns the typeface family specified by this span, or <code>null</code>
* if it does not specify one.
*/
public String getFamily() {
return mTypeface;
}
/**
* Returns the text color specified by this span, or <code>null</code>
* if it does not specify one.
*/
public ColorStateList getTextColor() {
return mTextColor;
}
/**
* Returns the link color specified by this span, or <code>null</code>
* if it does not specify one.
*/
public ColorStateList getLinkTextColor() {
return mTextColorLink;
}
/**
* Returns the text size specified by this span, or <code>-1</code>
* if it does not specify one.
*/
public int getTextSize() {
return mTextSize;
}
/**
* Returns the text style specified by this span, or <code>0</code>
* if it does not specify one.
*/
public int getTextStyle() {
return mStyle;
}
@Override
public void updateDrawState(TextPaint ds) {
updateMeasureState(ds);
if (mTextColor != null) {
ds.setColor(mTextColor.getColorForState(ds.drawableState, 0));
}
if (mTextColorLink != null) {
ds.linkColor = mTextColorLink.getColorForState(ds.drawableState, 0);
}
}
@Override
public void updateMeasureState(TextPaint ds) {
if (mTypeface != null || mStyle != 0) {
Typeface tf = ds.getTypeface();
int style = 0;
if (tf != null) {
style = tf.getStyle();
}
style |= mStyle;
if (mTypeface != null) {
tf = Typeface.create(mTypeface, style);
} else if (tf == null) {
tf = Typeface.defaultFromStyle(style);
} else {
tf = Typeface.create(tf, style);
}
int fake = style & ~tf.getStyle();
if ((fake & Typeface.BOLD) != 0) {
ds.setFakeBoldText(true);
}
if ((fake & Typeface.ITALIC) != 0) {
ds.setTextSkewX(-0.25f);
}
ds.setTypeface(tf);
}
if (mTextSize > 0) {
ds.setTextSize(mTextSize);
}
}
}
|
