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ninegridview/src/main/java/com/lzy/ninegrid/preview/MediaController.java

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+package com.lzy.ninegrid.preview;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.content.res.Resources;
+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.util.Log;
+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.TextView;
+
+import com.pili.pldroid.player.IMediaController;
+
+import java.util.Locale;
+
+/**
+ * You can write a custom MediaController instead of this class
+ * A MediaController widget must implement all the interface defined by com.pili.pldroid.player.IMediaController
+ */
+public class MediaController extends FrameLayout implements IMediaController {
+
+    private static final String TAG = "PLMediaController";
+    private IMediaController.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 long mDuration;
+    private boolean mShowing;
+    private boolean mDragging;
+    private boolean mInstantSeeking = true;
+    private long mSeekPosition = 0l;
+    private static int sDefaultTimeout = 3000;
+    private static final int SEEK_TO_POST_DELAY_MILLIS = 200;
+
+    private static final int FADE_OUT = 1;
+    private static final int SHOW_PROGRESS = 2;
+    private boolean mFromXml = false;
+    private ImageButton mPauseButton;
+    private ImageButton mFfwdButton;
+    private ImageButton mRewButton;
+    private ImageButton mNextButton;
+    private ImageButton mPrevButton;
+
+    private boolean mUseFastForward;
+
+    private static final int IC_MEDIA_PAUSE_ID = Resources.getSystem().getIdentifier("ic_media_pause", "drawable", "android");
+    private static final int IC_MEDIA_PLAY_ID = Resources.getSystem().getIdentifier("ic_media_play", "drawable", "android");
+    private static final int MEDIA_CONTROLLER_ID = Resources.getSystem().getIdentifier("media_controller", "layout", "android");
+    private static final int PRV_BUTTON_ID = Resources.getSystem().getIdentifier("prev", "id", "android");
+    private static final int FFWD_BUTTON_ID = Resources.getSystem().getIdentifier("ffwd", "id", "android");
+    private static final int NEXT_BUTTON_ID = Resources.getSystem().getIdentifier("next", "id", "android");
+    private static final int REW_BUTTON_ID = Resources.getSystem().getIdentifier("rew", "id", "android");
+    private static final int PAUSE_BUTTON_ID = Resources.getSystem().getIdentifier("pause", "id", "android");
+    private static final int MEDIACONTROLLER_PROGRESS_ID = Resources.getSystem().getIdentifier("mediacontroller_progress", "id", "android");
+    private static final int END_TIME_ID = Resources.getSystem().getIdentifier("time", "id", "android");
+    private static final int CURRENT_TIME_ID = Resources.getSystem().getIdentifier("time_current", "id", "android");
+
+    private AudioManager mAM;
+    private Runnable mLastSeekBarRunnable;
+    private boolean mDisableProgress = false;
+    private OnClickSpeedAdjustListener mOnClickSpeedAdjustListener;
+
+    public interface OnClickSpeedAdjustListener {
+        void onClickNormal();
+        void onClickFaster();
+        void onClickSlower();
+    }
+
+    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();
+    }
+
+    public MediaController(Context context, boolean useFastForward, boolean disableProgressBar) {
+        this(context);
+        mUseFastForward = useFastForward;
+        mDisableProgress = disableProgressBar;
+    }
+
+    public MediaController(Context context, boolean useFastForward) {
+        this(context);
+        mUseFastForward = useFastForward;
+    }
+
+    public void refreshProgress() {
+        mProgress.setProgress(1000);
+        mCurrentTime.setText(generateTime(mDuration));
+    }
+
+    public void setOnClickSpeedAdjustListener(OnClickSpeedAdjustListener listener) {
+        mOnClickSpeedAdjustListener = listener;
+    }
+
+    private boolean initController(Context context) {
+        mUseFastForward = true;
+        mContext = context.getApplicationContext();
+        mAM = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
+        return true;
+    }
+
+    @Override
+    public void onFinishInflate() {
+        if (mRoot != null)
+            initControllerView(mRoot);
+        super.onFinishInflate();
+    }
+
+    private void initFloatingWindow() {
+        mWindow = new PopupWindow(mContext);
+        mWindow.setFocusable(false);
+        mWindow.setBackgroundDrawable(null);
+        mWindow.setOutsideTouchable(true);
+        mAnimStyle = android.R.style.Animation;
+    }
+
+    /**
+     * 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(MEDIA_CONTROLLER_ID, this);
+    }
+
+    private void initControllerView(View v) {
+        // By default these are hidden.
+        mPrevButton = (ImageButton) v.findViewById(PRV_BUTTON_ID);
+        if (mPrevButton != null) {
+            mPrevButton.setVisibility(View.GONE);
+        }
+        mNextButton = (ImageButton) v.findViewById(NEXT_BUTTON_ID);
+        if (mNextButton != null) {
+            mNextButton.setVisibility(View.GONE);
+        }
+
+        mFfwdButton = (ImageButton) v.findViewById(FFWD_BUTTON_ID);
+        if (mFfwdButton != null) {
+            mFfwdButton.setOnClickListener(mFfwdListener);
+            if (!mFromXml) {
+                mFfwdButton.setVisibility(mUseFastForward ? View.VISIBLE : View.GONE);
+            }
+        }
+
+        mRewButton = (ImageButton) v.findViewById(REW_BUTTON_ID);
+        if (mRewButton != null) {
+            mRewButton.setOnClickListener(mRewListener);
+            if (!mFromXml) {
+                mRewButton.setVisibility(mUseFastForward ? View.VISIBLE : View.GONE);
+            }
+        }
+        mPauseButton = (ImageButton) v.findViewById(PAUSE_BUTTON_ID);
+        if (mPauseButton != null) {
+            mPauseButton.requestFocus();
+            mPauseButton.setOnClickListener(mPauseListener);
+        }
+
+        mProgress = (ProgressBar) v.findViewById(MEDIACONTROLLER_PROGRESS_ID);
+        if (mProgress != null) {
+            if (mProgress instanceof SeekBar) {
+                SeekBar seeker = (SeekBar) mProgress;
+                seeker.setOnSeekBarChangeListener(mSeekListener);
+                seeker.setThumbOffset(1);
+            }
+            mProgress.setMax(1000);
+            mProgress.setEnabled(!mDisableProgress);
+        }
+
+        mEndTime = (TextView) v.findViewById(END_TIME_ID);
+        mCurrentTime = (TextView) v.findViewById(CURRENT_TIME_ID);
+    }
+
+    /**
+     * Control the action when the seekbar dragged by user
+     *
+     * @param seekWhenDragging
+     * True the media will seek periodically
+     */
+    public void setInstantSeeking(boolean seekWhenDragging) {
+        mInstantSeeking = seekWhenDragging;
+    }
+
+    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;
+    }
+
+
+    public interface OnShownListener {
+        public void onShown();
+    }
+
+    private OnShownListener mShownListener;
+
+    public void setOnShownListener(OnShownListener l) {
+        mShownListener = l;
+    }
+
+    public interface OnHiddenListener {
+        public void onHidden();
+    }
+
+    private OnHiddenListener mHiddenListener;
+
+    public void setOnHiddenListener(OnHiddenListener l) {
+        mHiddenListener = l;
+    }
+
+    @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:
+                    if (!mPlayer.isPlaying()) {
+                        return;
+                    }
+                    pos = setProgress();
+                    if (pos == -1) {
+                        return;
+                    }
+                    if (!mDragging && mShowing) {
+                        msg = obtainMessage(SHOW_PROGRESS);
+                        sendMessageDelayed(msg, 50);
+                        updatePausePlay();
+                    }
+                    break;
+            }
+        }
+    };
+
+    private long setProgress() {
+        if (mPlayer == null || mDragging) {
+            return 0;
+        }
+
+        long position = mPlayer.getCurrentPosition();
+        long 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;
+    }
+
+    private static String generateTime(long position) {
+        int totalSeconds = (int) (position / 1000);
+
+        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();
+        }
+    }
+
+    @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 OnClickListener mPauseListener = new OnClickListener() {
+        public void onClick(View v) {
+            if (mOnClickSpeedAdjustListener != null) {
+                mOnClickSpeedAdjustListener.onClickNormal();
+            }
+            doPauseResume();
+            show(sDefaultTimeout);
+        }
+    };
+
+    private void updatePausePlay() {
+        if (mRoot == null || mPauseButton == null)
+            return;
+
+        if (mPlayer.isPlaying())
+            mPauseButton.setImageResource(IC_MEDIA_PAUSE_ID);
+        else
+            mPauseButton.setImageResource(IC_MEDIA_PLAY_ID);
+    }
+
+    private void doPauseResume() {
+        if (mPlayer.isPlaying())
+            mPlayer.pause();
+        else
+            mPlayer.start();
+        updatePausePlay();
+    }
+
+    private SeekBar.OnSeekBarChangeListener mSeekListener = new SeekBar.OnSeekBarChangeListener() {
+
+        public void onStartTrackingTouch(SeekBar bar) {
+            mDragging = true;
+            show(3600000);
+            mHandler.removeMessages(SHOW_PROGRESS);
+            if (mInstantSeeking)
+                mAM.setStreamMute(AudioManager.STREAM_MUSIC, true);
+        }
+
+        public void onProgressChanged(SeekBar bar, int progress, boolean fromuser) {
+            if (!fromuser) {
+                return;
+            }
+
+
+            final long newposition = (long) (mDuration * progress) / 1000;
+            String time = generateTime(newposition);
+            if (mInstantSeeking) {
+                mHandler.removeCallbacks(mLastSeekBarRunnable);
+                mLastSeekBarRunnable = new Runnable() {
+                    @Override
+                    public void run() {
+                        mPlayer.seekTo(newposition);
+                    }
+                };
+                mHandler.postDelayed(mLastSeekBarRunnable, SEEK_TO_POST_DELAY_MILLIS);
+            }
+            if (mCurrentTime != null)
+                mCurrentTime.setText(time);
+        }
+
+        public void onStopTrackingTouch(SeekBar bar) {
+            if (!mInstantSeeking)
+                mPlayer.seekTo(mDuration * bar.getProgress() / 1000);
+
+            show(sDefaultTimeout);
+            mHandler.removeMessages(SHOW_PROGRESS);
+            mAM.setStreamMute(AudioManager.STREAM_MUSIC, false);
+            mDragging = false;
+            mHandler.sendEmptyMessageDelayed(SHOW_PROGRESS, 1000);
+        }
+    };
+
+    private OnClickListener mRewListener = new OnClickListener() {
+        public void onClick(View v) {
+            if (mOnClickSpeedAdjustListener != null) {
+                mOnClickSpeedAdjustListener.onClickSlower();
+            }
+            show(sDefaultTimeout);
+        }
+    };
+
+    private OnClickListener mFfwdListener = new OnClickListener() {
+        public void onClick(View v) {
+            if (mOnClickSpeedAdjustListener != null) {
+                mOnClickSpeedAdjustListener.onClickFaster();
+            }
+            show(sDefaultTimeout);
+        }
+    };
+
+    /**
+     * 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.
+     * - AudioPlayer has no anchor view, so the view parameter will be null.
+     *
+     * @param view
+     * The view to which to anchor the controller when it is visible.
+     */
+    @Override
+    public void setAnchorView(View view) {
+        mAnchor = view;
+        if (mAnchor == null) {
+            sDefaultTimeout = 0; // show forever
+        }
+        if (!mFromXml) {
+            removeAllViews();
+            mRoot = makeControllerView();
+            mWindow.setContentView(mRoot);
+            mWindow.setWidth(LayoutParams.MATCH_PARENT);
+            mWindow.setHeight(LayoutParams.WRAP_CONTENT);
+        }
+        initControllerView(mRoot);
+    }
+
+    @Override
+    public void setMediaPlayer(MediaPlayerControl player) {
+        mPlayer = player;
+        updatePausePlay();
+    }
+
+    @Override
+    public void show() {
+        show(sDefaultTimeout);
+    }
+
+    /**
+     * 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.
+     */
+    @Override
+    public void show(int timeout) {
+        if (!mShowing) {
+            if (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];
+
+                if (mAnchor != null) {
+                    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);
+                } else {
+                    Rect anchorRect = new Rect(location[0], location[1],
+                            location[0] + mRoot.getWidth(), location[1]
+                            + mRoot.getHeight());
+
+                    mWindow.setAnimationStyle(mAnimStyle);
+                    mWindow.showAtLocation(mRoot, 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);
+        }
+    }
+
+    @Override
+    public boolean isShowing() {
+        return mShowing;
+    }
+
+    @Override
+    public void hide() {
+        if (mShowing) {
+            if (mAnchor != null) {
+                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) {
+                Log.d(TAG, "MediaController already removed");
+            }
+            mShowing = false;
+            if (mHiddenListener != null)
+                mHiddenListener.onHidden();
+        }
+    }
+
+    @Override
+    public void setEnabled(boolean enabled) {
+        if (mPauseButton != null) {
+            mPauseButton.setEnabled(enabled);
+        }
+        if (mFfwdButton != null) {
+            mFfwdButton.setEnabled(enabled);
+        }
+        if (mRewButton != null) {
+            mRewButton.setEnabled(enabled);
+        }
+        if (mProgress != null && !mDisableProgress)
+            mProgress.setEnabled(enabled);
+        disableUnsupportedButtons();
+        super.setEnabled(enabled);
+    }
+
+    public PopupWindow getWindow() {
+        return mWindow;
+    }
+
+    public long getSeekPosition() {
+        return mSeekPosition;
+    }
+}