/*
* Copyright (C) 2006 The Android Open Source Project
* Copyright (C) 2012 YIXIA.COM
* Copyright (C) 2013 Zhang Rui <bbcallen@gmail.com>
*
* 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 me.qixingchen.mdbilibili.widget;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Rect;
import android.media.AudioManager;
import android.os.Build;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.ImageButton;
import android.widget.PopupWindow;
import android.widget.ProgressBar;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
import java.util.Locale;
import me.qixingchen.mdbilibili.R;
import tv.danmaku.ijk.media.player.pragma.DebugLog;
/**
* A view containing controls for a MediaPlayer. Typically contains the buttons
* like "Play/Pause" and a progress slider. It takes care of synchronizing the
* controls with the state of the MediaPlayer.
* <p>
* The way to use this class is to a) instantiate it programatically or b)
* create it in your xml layout.
*
* a) The MediaController will create a default set of controls and put them in
* a window floating above your application. Specifically, the controls will
* float above the view specified with setAnchorView(). By default, the window
* will disappear if left idle for three seconds and reappear when the user
* touches the anchor view. To customize the MediaController's style, layout and
* controls you should extend MediaController and override the {#link
* {@link #makeControllerView()} method.
*
* b) The MediaController is a FrameLayout, you can put it in your layout xml
* and get it through {@link #findViewById(int)}.
*
* NOTES: In each way, if you want customize the MediaController, the SeekBar's
* id must be mediacontroller_progress, the Play/Pause's must be
* mediacontroller_pause, current time's must be mediacontroller_time_current,
* total time's must be mediacontroller_time_total, file name's must be
* mediacontroller_file_name. And your resources must have a pause_button
* drawable and a play_button drawable.
* <p>
* Functions like show() and hide() have no effect when MediaController is
* created in an xml layout.
*/
public class MediaController extends FrameLayout {
private static final String TAG = MediaController.class.getSimpleName();
private static final int sDefaultTimeout = 3000;
private static final int FADE_OUT = 1;
private static final int SHOW_PROGRESS = 2;
private MediaPlayerControl mPlayer;
private Context mContext;
private PopupWindow mWindow;
private int mAnimStyle;
private View mAnchor;
private View mRoot;
private ProgressBar mProgress;
private TextView mEndTime, mCurrentTime;
private TextView mFileName;
private OutlineTextView mInfoView;
private String mTitle;
private long mDuration;
private boolean mShowing;
private boolean mDragging;
private boolean mInstantSeeking = true;
private boolean mFromXml = false;
private ImageButton mPauseButton;
private AudioManager mAM;
private OnShownListener mShownListener;
private OnHiddenListener mHiddenListener;
@SuppressLint("HandlerLeak")
private Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
long pos;
switch (msg.what) {
case FADE_OUT:
hide();
break;
case SHOW_PROGRESS:
pos = setProgress();
if (!mDragging && mShowing) {
msg = obtainMessage(SHOW_PROGRESS);
sendMessageDelayed(msg, 1000 - (pos % 1000));
updatePausePlay();
}
break;
}
}
};
private OnClickListener mPauseListener = new OnClickListener() {
public void onClick(View v) {
doPauseResume();
show(sDefaultTimeout);
}
};
private Runnable lastRunnable;
private OnSeekBarChangeListener mSeekListener = new OnSeekBarChangeListener() {
public void onStartTrackingTouch(SeekBar bar) {
mDragging = true;
show(3600000);
mHandler.removeMessages(SHOW_PROGRESS);
if (mInstantSeeking)
mAM.setStreamMute(AudioManager.STREAM_MUSIC, true);
if (mInfoView != null) {
mInfoView.setText("");
mInfoView.setVisibility(View.VISIBLE);
}
}
public void onProgressChanged(SeekBar bar, int progress,
boolean fromuser) {
if (!fromuser)
return;
final long newposition = (mDuration * progress) / 1000;
String time = generateTime(newposition);
if (mInstantSeeking) {
mHandler.removeCallbacks(lastRunnable);
lastRunnable = new Runnable() {
@Override
public void run() {
mPlayer.seekTo(newposition);
}
};
mHandler.postDelayed(lastRunnable, 200);
}
if (mInfoView != null)
mInfoView.setText(time);
if (mCurrentTime != null)
mCurrentTime.setText(time);
}
public void onStopTrackingTouch(SeekBar bar) {
if (!mInstantSeeking)
mPlayer.seekTo((mDuration * bar.getProgress()) / 1000);
if (mInfoView != null) {
mInfoView.setText("");
mInfoView.setVisibility(View.GONE);
}
show(sDefaultTimeout);
mHandler.removeMessages(SHOW_PROGRESS);
mAM.setStreamMute(AudioManager.STREAM_MUSIC, false);
mDragging = false;
mHandler.sendEmptyMessageDelayed(SHOW_PROGRESS, 1000);
}
};
public MediaController(Context context, AttributeSet attrs) {
super(context, attrs);
mRoot = this;
mFromXml = true;
initController(context);
}
public MediaController(Context context) {
super(context);
if (!mFromXml && initController(context))
initFloatingWindow();
}
private static String generateTime(long position) {
int totalSeconds = (int) ((position / 1000.0) + 0.5);
int seconds = totalSeconds % 60;
int minutes = (totalSeconds / 60) % 60;
int hours = totalSeconds / 3600;
if (hours > 0) {
return String.format(Locale.US, "%02d:%02d:%02d", hours, minutes,
seconds).toString();
} else {
return String.format(Locale.US, "%02d:%02d", minutes, seconds)
.toString();
}
}
private boolean initController(Context context) {
mContext = context;
mAM = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
return true;
}
@Override
public void onFinishInflate() {
if (mRoot != null)
initControllerView(mRoot);
}
private void initFloatingWindow() {
mWindow = new PopupWindow(mContext);
mWindow.setFocusable(false);
mWindow.setBackgroundDrawable(null);
mWindow.setOutsideTouchable(true);
mAnimStyle = android.R.style.Animation;
}
/**
* Set the view that acts as the anchor for the control view. This can for
* example be a VideoView, or your Activity's main view.
*
* @param view
* The view to which to anchor the controller when it is visible.
*/
public void setAnchorView(View view) {
mAnchor = view;
if (!mFromXml) {
removeAllViews();
mRoot = makeControllerView();
mWindow.setContentView(mRoot);
mWindow.setWidth(LayoutParams.MATCH_PARENT);
mWindow.setHeight(LayoutParams.WRAP_CONTENT);
}
initControllerView(mRoot);
}
/**
* Create the view that holds the widgets that control playback. Derived
* classes can override this to create their own.
*
* @return The controller view.
*/
protected View makeControllerView() {
return ((LayoutInflater) mContext
.getSystemService(Context.LAYOUT_INFLATER_SERVICE)).inflate(
R.layout.view_media_controller, this);
}
private void initControllerView(View v) {
mPauseButton = (ImageButton) v
.findViewById(R.id.mediacontroller_play_pause);
if (mPauseButton != null) {
mPauseButton.requestFocus();
mPauseButton.setOnClickListener(mPauseListener);
}
mProgress = (SeekBar) v.findViewById(R.id.mediacontroller_seekbar);
if (mProgress != null) {
if (mProgress instanceof SeekBar) {
SeekBar seeker = (SeekBar) mProgress;
seeker.setOnSeekBarChangeListener(mSeekListener);
seeker.setThumbOffset(1);
}
mProgress.setMax(1000);
}
mEndTime = (TextView) v.findViewById(R.id.mediacontroller_time_total);
mCurrentTime = (TextView) v
.findViewById(R.id.mediacontroller_time_current);
mFileName = (TextView) v.findViewById(R.id.mediacontroller_file_name);
if (mFileName != null)
mFileName.setText(mTitle);
}
public void setMediaPlayer(MediaPlayerControl player) {
mPlayer = player;
updatePausePlay();
}
/**
* Control the action when the seekbar dragged by user
*
* @param seekWhenDragging
* True the media will seek periodically
*/
public void setInstantSeeking(boolean seekWhenDragging) {
mInstantSeeking = seekWhenDragging;
}
public void show() {
show(sDefaultTimeout);
}
/**
* Set the content of the file_name TextView
*
* @param name
*/
public void setFileName(String name) {
mTitle = name;
if (mFileName != null)
mFileName.setText(mTitle);
}
/**
* Set the View to hold some information when interact with the
* MediaController
*
* @param v
*/
public void setInfoView(OutlineTextView v) {
mInfoView = v;
}
private void disableUnsupportedButtons() {
try {
if (mPauseButton != null && !mPlayer.canPause())
mPauseButton.setEnabled(false);
} catch (IncompatibleClassChangeError ex) {
}
}
/**
* <p>
* Change the animation style resource for this controller.
* </p>
*
* <p>
* If the controller is showing, calling this method will take effect only
* the next time the controller is shown.
* </p>
*
* @param animationStyle
* animation style to use when the controller appears and
* disappears. Set to -1 for the default animation, 0 for no
* animation, or a resource identifier for an explicit animation.
*
*/
public void setAnimationStyle(int animationStyle) {
mAnimStyle = animationStyle;
}
/**
* Show the controller on screen. It will go away automatically after
* 'timeout' milliseconds of inactivity.
*
* @param timeout
* The timeout in milliseconds. Use 0 to show the controller
* until hide() is called.
*/
@SuppressLint("InlinedApi")
public void show(int timeout) {
if (!mShowing && mAnchor != null && mAnchor.getWindowToken() != null) {
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH){
mAnchor.setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
}
if (mPauseButton != null)
mPauseButton.requestFocus();
disableUnsupportedButtons();
if (mFromXml) {
setVisibility(View.VISIBLE);
} else {
int[] location = new int[2];
mAnchor.getLocationOnScreen(location);
Rect anchorRect = new Rect(location[0], location[1],
location[0] + mAnchor.getWidth(), location[1]
+ mAnchor.getHeight());
mWindow.setAnimationStyle(mAnimStyle);
mWindow.showAtLocation(mAnchor, Gravity.BOTTOM,
anchorRect.left, 0);
}
mShowing = true;
if (mShownListener != null)
mShownListener.onShown();
}
updatePausePlay();
mHandler.sendEmptyMessage(SHOW_PROGRESS);
if (timeout != 0) {
mHandler.removeMessages(FADE_OUT);
mHandler.sendMessageDelayed(mHandler.obtainMessage(FADE_OUT),
timeout);
}
}
public boolean isShowing() {
return mShowing;
}
@SuppressLint("InlinedApi")
public void hide() {
if (mAnchor == null)
return;
if (mShowing) {
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH){
mAnchor.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
}
try {
mHandler.removeMessages(SHOW_PROGRESS);
if (mFromXml)
setVisibility(View.GONE);
else
mWindow.dismiss();
} catch (IllegalArgumentException ex) {
DebugLog.d(TAG, "MediaController already removed");
}
mShowing = false;
if (mHiddenListener != null)
mHiddenListener.onHidden();
}
}
public void setOnShownListener(OnShownListener l) {
mShownListener = l;
}
public void setOnHiddenListener(OnHiddenListener l) {
mHiddenListener = l;
}
private long setProgress() {
if (mPlayer == null || mDragging)
return 0;
int position = mPlayer.getCurrentPosition();
int duration = mPlayer.getDuration();
if (mProgress != null) {
if (duration > 0) {
long pos = 1000L * position / duration;
mProgress.setProgress((int) pos);
}
int percent = mPlayer.getBufferPercentage();
mProgress.setSecondaryProgress(percent * 10);
}
mDuration = duration;
if (mEndTime != null)
mEndTime.setText(generateTime(mDuration));
if (mCurrentTime != null)
mCurrentTime.setText(generateTime(position));
return position;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
show(sDefaultTimeout);
return true;
}
@Override
public boolean onTrackballEvent(MotionEvent ev) {
show(sDefaultTimeout);
return false;
}
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
int keyCode = event.getKeyCode();
if (event.getRepeatCount() == 0
&& (keyCode == KeyEvent.KEYCODE_HEADSETHOOK
|| keyCode == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE || keyCode == KeyEvent.KEYCODE_SPACE)) {
doPauseResume();
show(sDefaultTimeout);
if (mPauseButton != null)
mPauseButton.requestFocus();
return true;
} else if (keyCode == KeyEvent.KEYCODE_MEDIA_STOP) {
if (mPlayer.isPlaying()) {
mPlayer.pause();
updatePausePlay();
}
return true;
} else if (keyCode == KeyEvent.KEYCODE_BACK
|| keyCode == KeyEvent.KEYCODE_MENU) {
hide();
return true;
} else {
show(sDefaultTimeout);
}
return super.dispatchKeyEvent(event);
}
private void updatePausePlay() {
if (mRoot == null || mPauseButton == null)
return;
if (mPlayer.isPlaying())
mPauseButton
.setImageResource(R.drawable.mediacontroller_pause_button);
else
mPauseButton
.setImageResource(R.drawable.mediacontroller_play_button);
}
private void doPauseResume() {
if (mPlayer.isPlaying())
mPlayer.pause();
else
mPlayer.start();
updatePausePlay();
}
@Override
public void setEnabled(boolean enabled) {
if (mPauseButton != null)
mPauseButton.setEnabled(enabled);
if (mProgress != null)
mProgress.setEnabled(enabled);
disableUnsupportedButtons();
super.setEnabled(enabled);
}
public interface OnShownListener {
public void onShown();
}
public interface OnHiddenListener {
public void onHidden();
}
public interface MediaPlayerControl {
void start();
void pause();
int getDuration();
int getCurrentPosition();
void seekTo(long pos);
boolean isPlaying();
int getBufferPercentage();
boolean canPause();
boolean canSeekBackward();
boolean canSeekForward();
}
}