-/* ownCloud Android client application
- *
- * Copyright (C) 2012-2013 ownCloud Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.owncloud.android.media;
-
-import android.content.Context;
-import android.graphics.PixelFormat;
-import android.media.AudioManager;
-import android.media.MediaPlayer;
-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.view.View.OnLayoutChangeListener;
-import android.view.View.OnTouchListener;
-import android.view.ViewGroup;
-import android.view.Window;
-import android.view.WindowManager;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
-import android.widget.FrameLayout;
-import android.widget.ImageButton;
-import android.widget.MediaController.MediaPlayerControl;
-import android.widget.ProgressBar;
-import android.widget.SeekBar;
-import android.widget.SeekBar.OnSeekBarChangeListener;
-import android.widget.TextView;
-
-import java.util.Formatter;
-import java.util.Locale;
-
-import com.owncloud.android.R;
-
-/**
- * View containing controls for a {@link MediaPlayer}.
- *
- * Holds buttons "play / pause", "rewind", "fast forward"
- * and a progress slider.
- *
- * It synchronizes itself with the state of the
- * {@link MediaPlayer}.
- *
- * @author David A. Velasco
- */
-
-public class MediaControlView extends FrameLayout implements /* OnLayoutChangeListener, */ OnTouchListener {
-
- private static final String TAG = MediaControlView.class.getSimpleName();
-
-
- private MediaPlayerControl mPlayer;
- private Context mContext;
- private View mAnchor;
- private View mRoot;
- private WindowManager mWindowManager;
- //private Window mWindow;
- private View mDecor;
- private WindowManager.LayoutParams mDecorLayoutParams;
- private ProgressBar mProgress;
- private TextView mEndTime, mCurrentTime;
- private boolean mShowing;
- private boolean mDragging;
- private static final int sDefaultTimeout = 3000;
- private static final int FADE_OUT = 1;
- private static final int SHOW_PROGRESS = 2;
- private boolean mUseFastForward;
- private boolean mFromXml;
- private boolean mListenersSet;
- private View.OnClickListener mNextListener, mPrevListener;
- StringBuilder mFormatBuilder;
- Formatter mFormatter;
- private ImageButton mPauseButton;
- private ImageButton mFfwdButton;
- private ImageButton mRewButton;
- private ImageButton mNextButton;
- private ImageButton mPrevButton;
-
- public MediaControlView(Context context, AttributeSet attrs) {
- super(context, attrs);
- //mRoot = this; // TODO review if this is adequate
- mContext = context;
- mUseFastForward = true;
- mFromXml = true;
-
- mWindowManager = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
-
- FrameLayout.LayoutParams frameParams = new FrameLayout.LayoutParams(
- ViewGroup.LayoutParams.MATCH_PARENT,
- ViewGroup.LayoutParams.MATCH_PARENT
- );
- //removeAllViews();
- LayoutInflater inflate = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
- mRoot = inflate.inflate(R.layout.media_control, null);
- initControllerView(mRoot);
- addView(mRoot, frameParams);
-
- setFocusable(true);
- setFocusableInTouchMode(true);
- setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
- requestFocus();
- }
-
- @Override
- public void onFinishInflate() {
- if (mRoot != null)
- initControllerView(mRoot);
- }
-
- /* TODO REMOVE
- public MediaControlView(Context context, boolean useFastForward) {
- super(context);
- mContext = context;
- mUseFastForward = useFastForward;
- initFloatingWindowLayout();
- //initFloatingWindow();
- }
- */
-
- /* TODO REMOVE
- public MediaControlView(Context context) {
- this(context, true);
- }
- */
-
- /* T
- private void initFloatingWindow() {
- mWindowManager = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
- mWindow = PolicyManager.makeNewWindow(mContext);
- mWindow.setWindowManager(mWindowManager, null, null);
- mWindow.requestFeature(Window.FEATURE_NO_TITLE);
- mDecor = mWindow.getDecorView();
- mDecor.setOnTouchListener(mTouchListener);
- mWindow.setContentView(this);
- mWindow.setBackgroundDrawableResource(android.R.color.transparent);
-
- // While the media controller is up, the volume control keys should
- // affect the media stream type
- mWindow.setVolumeControlStream(AudioManager.STREAM_MUSIC);
-
- setFocusable(true);
- setFocusableInTouchMode(true);
- setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
- requestFocus();
- }
- */
-
- /*
- // Allocate and initialize the static parts of mDecorLayoutParams. Must
- // also call updateFloatingWindowLayout() to fill in the dynamic parts
- // (y and width) before mDecorLayoutParams can be used.
- private void initFloatingWindowLayout() {
- mDecorLayoutParams = new WindowManager.LayoutParams();
- WindowManager.LayoutParams p = mDecorLayoutParams;
- p.gravity = Gravity.TOP;
- p.height = LayoutParams.WRAP_CONTENT;
- p.x = 0;
- p.format = PixelFormat.TRANSLUCENT;
- p.type = WindowManager.LayoutParams.TYPE_APPLICATION_PANEL;
- p.flags |= WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
- | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
- | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH;
- p.token = null;
- p.windowAnimations = 0; // android.R.style.DropDownAnimationDown;
- }
- */
-
- // Update the dynamic parts of mDecorLayoutParams
- // Must be called with mAnchor != NULL.
- private void updateFloatingWindowLayout() {
- int [] anchorPos = new int[2];
- mAnchor.getLocationOnScreen(anchorPos);
-
- WindowManager.LayoutParams p = mDecorLayoutParams;
- p.width = mAnchor.getWidth();
- p.y = anchorPos[1] + mAnchor.getHeight();
- }
-
- /*
- // This is called whenever mAnchor's layout bound changes
- public void onLayoutChange(View v, int left, int top, int right,
- int bottom, int oldLeft, int oldTop, int oldRight,
- int oldBottom) {
- //updateFloatingWindowLayout();
- if (mShowing) {
- mWindowManager.updateViewLayout(mDecor, mDecorLayoutParams);
- }
- }
- */
-
- public boolean onTouch(View v, MotionEvent event) {
- if (event.getAction() == MotionEvent.ACTION_DOWN) {
- if (mShowing) {
- hide();
- }
- }
- return false;
- }
-
-
- public void setMediaPlayer(MediaPlayerControl player) {
- mPlayer = player;
- updatePausePlay();
- }
-
- /*
- /**
- * 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) {
- if (mAnchor != null) {
- mAnchor.removeOnLayoutChangeListener(this);
- }
- mAnchor = view;
- if (mAnchor != null) {
- mAnchor.addOnLayoutChangeListener(this);
- }
-
- FrameLayout.LayoutParams frameParams = new FrameLayout.LayoutParams(
- ViewGroup.LayoutParams.MATCH_PARENT,
- ViewGroup.LayoutParams.MATCH_PARENT
- );
-
- removeAllViews();
- View v = makeControllerView();
- addView(v, frameParams);
- }
- */
-
- /*
- /**
- * Create the view that holds the widgets that control playback.
- * Derived classes can override this to create their own.
- * @return The controller view.
- * @hide This doesn't work as advertised
- *-/
- protected View makeControllerView() {
- LayoutInflater inflate = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
- mRoot = inflate.inflate(R.layout.media_control, null);
-
- initControllerView(mRoot);
-
- return mRoot;
- }
- */
-
- private void initControllerView(View v) {
- mPauseButton = (ImageButton) v.findViewById(R.id.playBtn);
- if (mPauseButton != null) {
- mPauseButton.requestFocus();
- mPauseButton.setOnClickListener(mPauseListener);
- }
-
- mFfwdButton = (ImageButton) v.findViewById(R.id.forwardBtn);
- if (mFfwdButton != null) {
- mFfwdButton.setOnClickListener(mFfwdListener);
- if (!mFromXml) {
- mFfwdButton.setVisibility(mUseFastForward ? View.VISIBLE : View.GONE);
- }
- }
-
- mRewButton = (ImageButton) v.findViewById(R.id.rewindBtn);
- if (mRewButton != null) {
- mRewButton.setOnClickListener(mRewListener);
- if (!mFromXml) {
- mRewButton.setVisibility(mUseFastForward ? View.VISIBLE : View.GONE);
- }
- }
-
- // By default these are hidden. They will be enabled when setPrevNextListeners() is called
- mNextButton = (ImageButton) v.findViewById(R.id.nextBtn);
- if (mNextButton != null && !mFromXml && !mListenersSet) {
- mNextButton.setVisibility(View.GONE);
- }
- mPrevButton = (ImageButton) v.findViewById(R.id.previousBtn);
- if (mPrevButton != null && !mFromXml && !mListenersSet) {
- mPrevButton.setVisibility(View.GONE);
- }
-
- mProgress = (ProgressBar) v.findViewById(R.id.progressBar);
- if (mProgress != null) {
- if (mProgress instanceof SeekBar) {
- SeekBar seeker = (SeekBar) mProgress;
- seeker.setOnSeekBarChangeListener(mSeekListener);
- }
- mProgress.setMax(1000);
- }
-
- mEndTime = (TextView) v.findViewById(R.id.totalTimeText);
- mCurrentTime = (TextView) v.findViewById(R.id.currentTimeText);
- mFormatBuilder = new StringBuilder();
- mFormatter = new Formatter(mFormatBuilder, Locale.getDefault());
-
- installPrevNextListeners();
- }
-
- /**
- * Show the controller on screen. It will go away
- * automatically after 3 seconds of inactivity.
- */
- public void show() {
- show(sDefaultTimeout);
- }
-
- /**
- * Disable pause or seek buttons if the stream cannot be paused or seeked.
- * This requires the control interface to be a MediaPlayerControlExt
- */
- private void disableUnsupportedButtons() {
- try {
- if (mPauseButton != null && !mPlayer.canPause()) {
- mPauseButton.setEnabled(false);
- }
- if (mRewButton != null && !mPlayer.canSeekBackward()) {
- mRewButton.setEnabled(false);
- }
- if (mFfwdButton != null && !mPlayer.canSeekForward()) {
- mFfwdButton.setEnabled(false);
- }
- } catch (IncompatibleClassChangeError ex) {
- // We were given an old version of the interface, that doesn't have
- // the canPause/canSeekXYZ methods. This is OK, it just means we
- // assume the media can be paused and seeked, and so we don't disable
- // the buttons.
- }
- }
-
- /**
- * 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.
- */
- public void show(int timeout) {
- if (!mShowing && mAnchor != null) {
- setProgress();
- if (mPauseButton != null) {
- mPauseButton.requestFocus();
- }
- disableUnsupportedButtons();
- //updateFloatingWindowLayout();
- mWindowManager.addView(mDecor, mDecorLayoutParams);
- mShowing = true;
- }
- updatePausePlay();
-
- // cause the progress bar to be updated even if mShowing
- // was already true. This happens, for example, if we're
- // paused with the progress bar showing the user hits play.
- mHandler.sendEmptyMessage(SHOW_PROGRESS);
-
- Message msg = mHandler.obtainMessage(FADE_OUT);
- if (timeout != 0) {
- mHandler.removeMessages(FADE_OUT);
- mHandler.sendMessageDelayed(msg, timeout);
- }
- }
-
- public boolean isShowing() {
- return mShowing;
- }
-
- /**
- * Remove the controller from the screen.
- */
- public void hide() {
- /*
- if (mAnchor == null)
- return;
-
- if (mShowing) {
- try {
- mHandler.removeMessages(SHOW_PROGRESS);
- mWindowManager.removeView(mDecor);
- } catch (IllegalArgumentException ex) {
- Log.w(TAG, "already removed");
- }
- mShowing = false;
- }
- */
- }
-
- private Handler mHandler = new Handler() {
- @Override
- public void handleMessage(Message msg) {
- int pos;
- switch (msg.what) {
- case FADE_OUT:
- hide();
- break;
- case SHOW_PROGRESS:
- pos = setProgress();
- if (!mDragging && mShowing && mPlayer.isPlaying()) {
- msg = obtainMessage(SHOW_PROGRESS);
- sendMessageDelayed(msg, 1000 - (pos % 1000));
- }
- break;
- }
- }
- };
-
- private String stringForTime(int timeMs) {
- int totalSeconds = timeMs / 1000;
-
- int seconds = totalSeconds % 60;
- int minutes = (totalSeconds / 60) % 60;
- int hours = totalSeconds / 3600;
-
- mFormatBuilder.setLength(0);
- if (hours > 0) {
- return mFormatter.format("%d:%02d:%02d", hours, minutes, seconds).toString();
- } else {
- return mFormatter.format("%02d:%02d", minutes, seconds).toString();
- }
- }
-
- private int setProgress() {
- if (mPlayer == null || mDragging) {
- return 0;
- }
- int position = mPlayer.getCurrentPosition();
- int duration = mPlayer.getDuration();
- if (mProgress != null) {
- if (duration > 0) {
- // use long to avoid overflow
- long pos = 1000L * position / duration;
- mProgress.setProgress( (int) pos);
- }
- int percent = mPlayer.getBufferPercentage();
- mProgress.setSecondaryProgress(percent * 10);
- }
-
- if (mEndTime != null)
- mEndTime.setText(stringForTime(duration));
- if (mCurrentTime != null)
- mCurrentTime.setText(stringForTime(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();
- final boolean uniqueDown = event.getRepeatCount() == 0
- && event.getAction() == KeyEvent.ACTION_DOWN;
- if (keyCode == KeyEvent.KEYCODE_HEADSETHOOK
- || keyCode == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE
- || keyCode == KeyEvent.KEYCODE_SPACE) {
- if (uniqueDown) {
- doPauseResume();
- show(sDefaultTimeout);
- if (mPauseButton != null) {
- mPauseButton.requestFocus();
- }
- }
- return true;
- } else if (keyCode == KeyEvent.KEYCODE_MEDIA_PLAY) {
- if (uniqueDown && !mPlayer.isPlaying()) {
- mPlayer.start();
- updatePausePlay();
- show(sDefaultTimeout);
- }
- return true;
- } else if (keyCode == KeyEvent.KEYCODE_MEDIA_STOP
- || keyCode == KeyEvent.KEYCODE_MEDIA_PAUSE) {
- if (uniqueDown && mPlayer.isPlaying()) {
- mPlayer.pause();
- updatePausePlay();
- show(sDefaultTimeout);
- }
- return true;
- } else if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
- || keyCode == KeyEvent.KEYCODE_VOLUME_UP
- || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE
- || keyCode == KeyEvent.KEYCODE_CAMERA) {
- // don't show the controls for volume adjustment
- return super.dispatchKeyEvent(event);
- } else if (keyCode == KeyEvent.KEYCODE_BACK || keyCode == KeyEvent.KEYCODE_MENU) {
- if (uniqueDown) {
- hide();
- }
- return true;
- }
-
- show(sDefaultTimeout);
- return super.dispatchKeyEvent(event);
- }
-
- private View.OnClickListener mPauseListener = new View.OnClickListener() {
- public void onClick(View v) {
- doPauseResume();
- show(sDefaultTimeout);
- }
- };
-
- private void updatePausePlay() {
- if (mRoot == null || mPauseButton == null)
- return;
-
- if (mPlayer.isPlaying()) {
- mPauseButton.setImageResource(android.R.drawable.ic_media_pause);
- } else {
- mPauseButton.setImageResource(android.R.drawable.ic_media_play);
- }
- }
-
- private void doPauseResume() {
- if (mPlayer.isPlaying()) {
- mPlayer.pause();
- } else {
- mPlayer.start();
- }
- updatePausePlay();
- }
-
- // There are two scenarios that can trigger the seekbar listener to trigger:
- //
- // The first is the user using the touchpad to adjust the posititon of the
- // seekbar's thumb. In this case onStartTrackingTouch is called followed by
- // a number of onProgressChanged notifications, concluded by onStopTrackingTouch.
- // We're setting the field "mDragging" to true for the duration of the dragging
- // session to avoid jumps in the position in case of ongoing playback.
- //
- // The second scenario involves the user operating the scroll ball, in this
- // case there WON'T BE onStartTrackingTouch/onStopTrackingTouch notifications,
- // we will simply apply the updated position without suspending regular updates.
- private OnSeekBarChangeListener mSeekListener = new OnSeekBarChangeListener() {
- public void onStartTrackingTouch(SeekBar bar) {
- show(3600000);
-
- mDragging = true;
-
- // By removing these pending progress messages we make sure
- // that a) we won't update the progress while the user adjusts
- // the seekbar and b) once the user is done dragging the thumb
- // we will post one of these messages to the queue again and
- // this ensures that there will be exactly one message queued up.
- mHandler.removeMessages(SHOW_PROGRESS);
- }
-
- public void onProgressChanged(SeekBar bar, int progress, boolean fromuser) {
- if (!fromuser) {
- // We're not interested in programmatically generated changes to
- // the progress bar's position.
- return;
- }
-
- long duration = mPlayer.getDuration();
- long newposition = (duration * progress) / 1000L;
- mPlayer.seekTo( (int) newposition);
- if (mCurrentTime != null)
- mCurrentTime.setText(stringForTime( (int) newposition));
- }
-
- public void onStopTrackingTouch(SeekBar bar) {
- mDragging = false;
- setProgress();
- updatePausePlay();
- show(sDefaultTimeout);
-
- // Ensure that progress is properly updated in the future,
- // the call to show() does not guarantee this because it is a
- // no-op if we are already showing.
- mHandler.sendEmptyMessage(SHOW_PROGRESS);
- }
- };
-
- @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 (mNextButton != null) {
- mNextButton.setEnabled(enabled && mNextListener != null);
- }
- if (mPrevButton != null) {
- mPrevButton.setEnabled(enabled && mPrevListener != null);
- }
- if (mProgress != null) {
- mProgress.setEnabled(enabled);
- }
- disableUnsupportedButtons();
- super.setEnabled(enabled);
- }
-
- @Override
- public void onInitializeAccessibilityEvent(AccessibilityEvent event) {
- super.onInitializeAccessibilityEvent(event);
- event.setClassName(MediaControlView.class.getName());
- }
-
- @Override
- public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
- super.onInitializeAccessibilityNodeInfo(info);
- info.setClassName(MediaControlView.class.getName());
- }
-
- private View.OnClickListener mRewListener = new View.OnClickListener() {
- public void onClick(View v) {
- int pos = mPlayer.getCurrentPosition();
- pos -= 5000; // milliseconds
- mPlayer.seekTo(pos);
- setProgress();
-
- show(sDefaultTimeout);
- }
- };
-
- private View.OnClickListener mFfwdListener = new View.OnClickListener() {
- public void onClick(View v) {
- int pos = mPlayer.getCurrentPosition();
- pos += 15000; // milliseconds
- mPlayer.seekTo(pos);
- setProgress();
-
- show(sDefaultTimeout);
- }
- };
-
- private void installPrevNextListeners() {
- if (mNextButton != null) {
- mNextButton.setOnClickListener(mNextListener);
- mNextButton.setEnabled(mNextListener != null);
- }
-
- if (mPrevButton != null) {
- mPrevButton.setOnClickListener(mPrevListener);
- mPrevButton.setEnabled(mPrevListener != null);
- }
- }
-
- public void setPrevNextListeners(View.OnClickListener next, View.OnClickListener prev) {
- mNextListener = next;
- mPrevListener = prev;
- mListenersSet = true;
-
- if (mRoot != null) {
- installPrevNextListeners();
-
- if (mNextButton != null && !mFromXml) {
- mNextButton.setVisibility(View.VISIBLE);
- }
- if (mPrevButton != null && !mFromXml) {
- mPrevButton.setVisibility(View.VISIBLE);
- }
- }
- }
-
-}