QuoteSpan.java revision d24b8183b93e781080b2c16c487e60d51c12da31 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.text.style;
18
19import android.graphics.Paint;
20import android.graphics.Canvas;
21import android.os.Parcel;
22import android.text.Layout;
23import android.text.ParcelableSpan;
24import android.text.TextUtils;
25
26public class QuoteSpan implements LeadingMarginSpan, ParcelableSpan {
27    private static final int STRIPE_WIDTH = 2;
28    private static final int GAP_WIDTH = 2;
29
30    private final int mColor;
31
32    public QuoteSpan() {
33        super();
34        mColor = 0xff0000ff;
35    }
36
37    public QuoteSpan(int color) {
38        super();
39        mColor = color;
40    }
41
42    public QuoteSpan(Parcel src) {
43        mColor = src.readInt();
44    }
45
46    public int getSpanTypeId() {
47        return TextUtils.QUOTE_SPAN;
48    }
49
50    public int describeContents() {
51        return 0;
52    }
53
54    public void writeToParcel(Parcel dest, int flags) {
55        dest.writeInt(mColor);
56    }
57
58    public int getColor() {
59        return mColor;
60    }
61
62    public int getLeadingMargin(boolean first) {
63        return STRIPE_WIDTH + GAP_WIDTH;
64    }
65
66    public void drawLeadingMargin(Canvas c, Paint p, int x, int dir,
67                                  int top, int baseline, int bottom,
68                                  CharSequence text, int start, int end,
69                                  boolean first, Layout layout) {
70        Paint.Style style = p.getStyle();
71        int color = p.getColor();
72
73        p.setStyle(Paint.Style.FILL);
74        p.setColor(mColor);
75
76        c.drawRect(x, top, x + dir * STRIPE_WIDTH, bottom, p);
77
78        p.setStyle(style);
79        p.setColor(color);
80    }
81}
82