Android Open Source - FPlayAndroid Song View

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License

The source code is released under:
Copyright (c) 2013-2014, Carlos Rafael Gimenes das Neves All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the followin...
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Java Source Code

//
// FPlayAndroid is distributed under the FreeBSD License
////w w w  . j a v a 2 s .  c  om
// Copyright (c) 2013-2014, Carlos Rafael Gimenes das Neves
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those
// of the authors and should not be interpreted as representing official policies,
// either expressed or implied, of the FreeBSD Project.
//
// https://github.com/carlosrafaelgn/FPlayAndroid
//
package br.com.carlosrafaelgn.fplay.ui;

import android.annotation.TargetApi;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.view.View;
import android.view.ViewDebug.ExportedProperty;

import br.com.carlosrafaelgn.fplay.list.Song;
import br.com.carlosrafaelgn.fplay.ui.drawable.TextIconDrawable;

public final class SongView extends View implements View.OnClickListener, View.OnLongClickListener {
  private Song song;
  private String ellipsizedTitle, ellipsizedExtraInfo;
  private int state, width, lengthWidth, position;
  
  private static int height, verticalMargin;
  
  public static int getViewHeight() {
    verticalMargin = (UI.isVerticalMarginLarge ? UI._16sp : UI._8sp);
    height = (UI._1dp << 1) + (verticalMargin << 1) + UI._22spBox + UI._14spBox;
    return height;
  }
  
  public SongView(Context context) {
    super(context);
    setOnClickListener(this);
    setOnLongClickListener(this);
    getViewHeight();
    super.setDrawingCacheEnabled(false);
  }
  
  private void processEllipsis() {
    ellipsizedTitle = UI.ellipsizeText(song.title, UI._22sp, width - (UI._8dp << 1) - UI._4dp - lengthWidth, false);
    ellipsizedExtraInfo = UI.ellipsizeText(song.extraInfo, UI._14sp, width - (UI._8dp << 1), false);
  }

  @Override
  public CharSequence getContentDescription() {
    if (song != null)
      return song.title;
    return super.getContentDescription();
  }

  public void setItemState(Song song, int position, int state) {
    this.state = (this.state & ~(UI.STATE_CURRENT | UI.STATE_SELECTED | UI.STATE_MULTISELECTED)) | state;
    this.position = position;
    //watch out, DO NOT use equals() in favor of speed!
    if (this.song == song)
      return;
    this.song = song;
    lengthWidth = (song.isHttp ? UI._14spBox : UI.measureText(song.length, UI._14sp));
    processEllipsis();
  }
  
  @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
  @Override
  public void setBackground(Drawable background) {
    super.setBackground(null);
  }
  
  @Override
  @Deprecated
  public void setBackgroundDrawable(Drawable background) {
    super.setBackgroundDrawable(null);
  }
  
  @Override
  public void setBackgroundResource(int resid) {
    super.setBackgroundResource(0);
  }
  
  @Override
  public void setBackgroundColor(int color) {
    super.setBackgroundResource(0);
  }
  
  @Override
  public Drawable getBackground() {
    return null;
  }
  
  @Override
  public void invalidateDrawable(Drawable drawable) {
  }
  
  @Override
  protected boolean verifyDrawable(Drawable drawable) {
    return false;
  }
  
  @Override
  @ExportedProperty(category = "drawing")
  public boolean isOpaque() {
    return false;//((state & ~UI.STATE_CURRENT) != 0);
  }
  
  @Override
  protected void drawableStateChanged() {
    super.drawableStateChanged();
    state = UI.handleStateChanges(state, isPressed(), isFocused(), this);
  }
  
  @Override
  protected int getSuggestedMinimumHeight() {
    return height;
  }
  
  @Override
  public int getMinimumHeight() {
    return height;
  }
  
  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    setMeasuredDimension(resolveSize(0, widthMeasureSpec), height);
  }
  
  @Override
  protected void onSizeChanged(int w, int h, int oldw, int oldh) {
    super.onSizeChanged(w, h, oldw, oldh);
    if (width != w) {
      width = w;
      processEllipsis();
    }
  }
  
  @Override
  protected void onDraw(Canvas canvas) {
    final int txtColor = (((state & ~UI.STATE_CURRENT) == 0) ? UI.color_text_listitem : UI.color_text_selected);
    getDrawingRect(UI.rect);
    UI.drawBgBorderless(canvas, state | ((state & UI.STATE_SELECTED & ((BgListView)getParent()).extraState) >>> 2), true);
    if ((state & UI.STATE_CURRENT) != 0)
      TextIconDrawable.drawIcon(canvas, UI.ICON_FPLAY, UI.rect.right - UI.defaultControlContentsSize - UI._4dp, UI.rect.bottom - UI.defaultControlContentsSize - UI._4dp, UI.defaultControlContentsSize, ((state & ~UI.STATE_CURRENT) == 0) ? UI.color_text_listitem_secondary : UI.color_text_selected);
    UI.drawText(canvas, ellipsizedTitle, txtColor, UI._22sp, UI._8dp, verticalMargin + UI._22spYinBox);
    if (song.isHttp)
      TextIconDrawable.drawIcon(canvas, UI.ICON_LINK, UI.rect.right - UI._14spBox - UI._8dp, verticalMargin, UI._14spBox, txtColor);
    else
      UI.drawText(canvas, song.length, txtColor, UI._14sp, width - UI._8dp - lengthWidth, verticalMargin + UI._14spYinBox);
    UI.drawText(canvas, ellipsizedExtraInfo, txtColor, UI._14sp, UI._8dp, verticalMargin + UI._1dp + UI._22spBox + UI._14spYinBox);
  }
  
  @Override
  protected void dispatchSetPressed(boolean pressed) {
  }
  
  @Override
  protected void onDetachedFromWindow() {
    song = null;
    ellipsizedTitle = null;
    ellipsizedExtraInfo = null;
    super.onDetachedFromWindow();
  }
  
  @Override
  public void onClick(View view) {
    if (UI.songActivity != null)
      UI.songActivity.processItemClick(position);
  }
  
  @Override
  public boolean onLongClick(View view) {
    if (UI.songActivity != null)
      UI.songActivity.processItemLongClick(position);
    return true;
  }
}
Java Source Code List
