package net.coding.program.common.htmltext;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.os.Parcel;
import android.text.Layout;
import android.text.ParcelableSpan;
import android.text.style.LeadingMarginSpan;
/**
* Created by chaochen on 15/1/12.
*/
public class GrayQuoteSpan implements LeadingMarginSpan, ParcelableSpan {
private static final int STRIPE_WIDTH = 4 * 3;
private static final int GAP_WIDTH = 12 * 3;
private final int mColor;
public GrayQuoteSpan() {
super();
mColor = 0xffdddddd;
}
public GrayQuoteSpan(int color) {
super();
mColor = color;
}
public GrayQuoteSpan(Parcel src) {
mColor = src.readInt();
}
public int getSpanTypeId() {
// 看系统源代码是这么多
return 9;
}
public int describeContents() {
return 0;
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(mColor);
}
public int getColor() {
return mColor;
}
public int getLeadingMargin(boolean first) {
return STRIPE_WIDTH + GAP_WIDTH;
}
public void drawLeadingMargin(Canvas c, Paint p, int x, int dir,
int top, int baseline, int bottom,
CharSequence text, int start, int end,
boolean first, Layout layout) {
Paint.Style style = p.getStyle();
int color = p.getColor();
p.setStyle(Paint.Style.FILL);
p.setColor(mColor);
c.drawRect(x, top, x + dir * STRIPE_WIDTH, bottom, p);
p.setStyle(style);
p.setColor(color);
}
}