QuoteSpan.java revision a70d4a90a029910f788c3e7f8715cf3b842b1e2b
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.annotation.ColorInt; 20import android.graphics.Paint; 21import android.graphics.Canvas; 22import android.os.Parcel; 23import android.text.Layout; 24import android.text.ParcelableSpan; 25import android.text.TextUtils; 26 27public class QuoteSpan implements LeadingMarginSpan, ParcelableSpan { 28 private static final int STRIPE_WIDTH = 2; 29 private static final int GAP_WIDTH = 2; 30 31 private final int mColor; 32 33 public QuoteSpan() { 34 super(); 35 mColor = 0xff0000ff; 36 } 37 38 public QuoteSpan(@ColorInt int color) { 39 super(); 40 mColor = color; 41 } 42 43 public QuoteSpan(Parcel src) { 44 mColor = src.readInt(); 45 } 46 47 public int getSpanTypeId() { 48 return getSpanTypeIdInternal(); 49 } 50 51 /** @hide */ 52 public int getSpanTypeIdInternal() { 53 return TextUtils.QUOTE_SPAN; 54 } 55 56 public int describeContents() { 57 return 0; 58 } 59 60 public void writeToParcel(Parcel dest, int flags) { 61 writeToParcelInternal(dest, flags); 62 } 63 64 /** @hide */ 65 public void writeToParcelInternal(Parcel dest, int flags) { 66 dest.writeInt(mColor); 67 } 68 69 @ColorInt 70 public int getColor() { 71 return mColor; 72 } 73 74 public int getLeadingMargin(boolean first) { 75 return STRIPE_WIDTH + GAP_WIDTH; 76 } 77 78 public void drawLeadingMargin(Canvas c, Paint p, int x, int dir, 79 int top, int baseline, int bottom, 80 CharSequence text, int start, int end, 81 boolean first, Layout layout) { 82 Paint.Style style = p.getStyle(); 83 int color = p.getColor(); 84 85 p.setStyle(Paint.Style.FILL); 86 p.setColor(mColor); 87 88 c.drawRect(x, top, x + dir * STRIPE_WIDTH, bottom, p); 89 90 p.setStyle(style); 91 p.setColor(color); 92 } 93} 94