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125 lines
4.2 KiB
125 lines
4.2 KiB
/* |
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* Copyright 2010-2018 Eric Kok et al. |
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* |
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* Transdroid is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* Transdroid is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with Transdroid. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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package org.transdroid.core.gui.lists; |
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import org.transdroid.R; |
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import android.content.Context; |
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import android.content.res.TypedArray; |
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import android.graphics.Canvas; |
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import android.graphics.Paint; |
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import android.graphics.RectF; |
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import android.util.AttributeSet; |
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import android.view.View; |
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/** |
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* Draws a progress bar indicating the download progress as well as the torrent status. |
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* |
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* @author Eric Kok |
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*/ |
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public class TorrentProgressBar extends View { |
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private final float scale = getContext().getResources().getDisplayMetrics().density; |
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private final int MINIMUM_HEIGHT = (int) (3 * scale + 0.5f); |
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private int progress; |
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private boolean isActive; |
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private boolean isError; |
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private final Paint notdonePaint = new Paint(); |
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private final Paint inactiveDonePaint = new Paint(); |
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private final Paint inactivePaint = new Paint(); |
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private final Paint progressPaint = new Paint(); |
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private final Paint donePaint = new Paint(); |
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private final Paint errorPaint = new Paint(); |
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private final RectF fullRect = new RectF(); |
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private final RectF progressRect = new RectF(); |
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public void setProgress(int progress) { |
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this.progress = progress; |
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this.invalidate(); |
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} |
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public void setActive(boolean isActive) { |
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this.isActive = isActive; |
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this.invalidate(); |
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} |
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public void setError(boolean isError) { |
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this.isError = isError; |
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this.invalidate(); |
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} |
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public TorrentProgressBar(Context context) { |
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super(context); |
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initPaints(); |
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} |
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public TorrentProgressBar(Context context, AttributeSet attrs) { |
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super(context, attrs); |
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initPaints(); |
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// Parse any set attributes from XML |
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TorrentProgressBar); |
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if (a.hasValue(R.styleable.TorrentProgressBar_progress)) { |
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this.progress = a.getIndex(R.styleable.TorrentProgressBar_progress); |
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this.isActive = a.getBoolean(R.styleable.TorrentProgressBar_isActive, false); |
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} |
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a.recycle(); |
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} |
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private void initPaints() { |
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notdonePaint.setColor(getResources().getColor(R.color.torrent_background)); |
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inactiveDonePaint.setColor(getResources().getColor(R.color.torrent_paused)); |
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inactivePaint.setColor(getResources().getColor(R.color.torrent_other)); |
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progressPaint.setColor(getResources().getColor(R.color.torrent_downloading)); |
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donePaint.setColor(getResources().getColor(R.color.torrent_seeding)); |
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errorPaint.setColor(getResources().getColor(R.color.torrent_error)); |
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} |
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@Override |
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
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int ws = MeasureSpec.getSize(widthMeasureSpec); |
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int hs = Math.max(getHeight(), MINIMUM_HEIGHT); |
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setMeasuredDimension(ws, hs); |
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} |
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@Override |
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protected void onDraw(Canvas canvas) { |
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super.onDraw(canvas); |
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int height = getHeight(); |
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int width = getWidth(); |
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fullRect.set(0, 0, width, height); |
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// Error? |
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if (isError) { |
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canvas.drawRect(fullRect, errorPaint); |
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} else { |
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// Background rounded rectangle |
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canvas.drawRect(fullRect, notdonePaint); |
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// Foreground progress indicator |
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if (progress > 0) { |
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progressRect.set(0, 0, width * ((float) progress / 100), height); |
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canvas.drawRect(progressRect, (isActive ? (progress == 100 ? donePaint : progressPaint) |
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: (progress == 100 ? inactiveDonePaint : inactivePaint))); |
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} |
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} |
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} |
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}
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