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/*
* Copyright (C) 2012 Andrew Neal
* Copyright (C) 2014 The CyanogenMod Project
* Licensed under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law
* or agreed to in writing, software distributed under the License is
* distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package com.cyanogenmod.eleven.widgets;
import android.animation.Animator;
import android.content.Context;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewAnimationUtils;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageButton;
import com.cyanogenmod.eleven.R;
import com.cyanogenmod.eleven.utils.ApolloUtils;
import com.cyanogenmod.eleven.utils.MusicUtils;
/**
* A custom {@link ImageButton} that represents the "play and pause" button.
*
* @author Andrew Neal (andrewdneal@gmail.com)
*/
public class PlayPauseButton extends ImageButton implements OnClickListener, OnLongClickListener {
/**
* Play button theme resource
*/
private static final String PLAY = "btn_playback_play";
/**
* Pause button theme resource
*/
private static final String PAUSE = "btn_playback_pause";
/**
* @param context The {@link Context} to use
* @param attrs The attributes of the XML tag that is inflating the view.
*/
@SuppressWarnings("deprecation")
public PlayPauseButton(final Context context, final AttributeSet attrs) {
super(context, attrs);
setBackground(getResources().getDrawable(R.drawable.selectable_background));
// Control playback (play/pause)
setOnClickListener(this);
// Show the cheat sheet
setOnLongClickListener(this);
}
/**
* {@inheritDoc}
*/
@Override
public void onClick(final View v) {
MusicUtils.playOrPause();
int centerX = (v.getLeft() + v.getRight()) / 2;
int centerY = (v.getTop() + v.getBottom()) / 2;
int startRadius = 0;
int endRadius = (int) Math.hypot(v.getWidth(), v.getHeight());
Animator anim = ViewAnimationUtils.createCircularReveal(
v, centerX, centerY, startRadius, endRadius);
anim.setDuration(800);
anim.start();
updateState();
}
/**
* {@inheritDoc}
*/
@Override
public boolean onLongClick(final View view) {
if (TextUtils.isEmpty(view.getContentDescription())) {
return false;
} else {
ApolloUtils.showCheatSheet(view);
return true;
}
}
/**
* Sets the correct drawable for playback.
*/
public void updateState() {
if (MusicUtils.isPlaying()) {
setContentDescription(getResources().getString(R.string.accessibility_pause));
setImageDrawable(getResources().getDrawable(R.drawable.btn_playback_pause));
} else {
setContentDescription(getResources().getString(R.string.accessibility_play));
setImageDrawable(getResources().getDrawable(R.drawable.btn_playback_play));
}
}
}
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