+/* 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 2 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.ui.preview;
+
+import android.accounts.Account;
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.media.MediaPlayer;
+import android.media.MediaPlayer.OnCompletionListener;
+import android.media.MediaPlayer.OnErrorListener;
+import android.media.MediaPlayer.OnPreparedListener;
+import android.net.Uri;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.MotionEvent;
+import android.widget.MediaController;
+import android.widget.VideoView;
+
+import com.owncloud.android.AccountUtils;
+import com.owncloud.android.R;
+import com.owncloud.android.datamodel.OCFile;
+import com.owncloud.android.media.MediaService;
+
+/**
+ * Activity implementing a basic video player.
+ *
+ * Used as an utility to preview video files contained in an ownCloud account.
+ *
+ * Currently, it always plays in landscape mode, full screen. When the playback ends,
+ * the activity is finished.
+ *
+ * @author David A. Velasco
+ */
+public class PreviewVideoActivity extends Activity implements OnCompletionListener, OnPreparedListener, OnErrorListener {
+
+ /** Key to receive an {@link OCFile} to play as an extra value in an {@link Intent} */
+ public static final String EXTRA_FILE = "FILE";
+
+ /** Key to receive the ownCloud {@link Account} where the file to play is saved as an extra value in an {@link Intent} */
+ public static final String EXTRA_ACCOUNT = "ACCOUNT";
+
+ /** Key to receive a flag signaling if the video should be started immediately */
+ public static final String EXTRA_AUTOPLAY = "AUTOPLAY";
+
+ /** Key to receive the position of the playback where the video should be put at start */
+ public static final String EXTRA_START_POSITION = "START_POSITION";
+
+ private static final String TAG = PreviewVideoActivity.class.getSimpleName();
+
+ private OCFile mFile; // video file to play
+ private Account mAccount; // ownCloud account holding mFile
+ private int mSavedPlaybackPosition; // in the unit time handled by MediaPlayer.getCurrentPosition()
+ private boolean mAutoplay; // when 'true', the playback starts immediately with the activity
+ private VideoView mVideoPlayer; // view to play the file; both performs and show the playback
+ private MediaController mMediaController; // panel control used by the user to control the playback
+
+ /**
+ * Called when the activity is first created.
+ *
+ * Searches for an {@link OCFile} and ownCloud {@link Account} holding it in the starting {@link Intent}.
+ *
+ * The {@link Account} is unnecessary if the file is downloaded; else, the {@link Account} is used to
+ * try to stream the remote file - TODO get the streaming works
+ *
+ * {@inheritDoc}
+ */
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ setContentView(R.layout.video_layout);
+
+ Bundle extras = getIntent().getExtras();
+ mFile = extras.getParcelable(EXTRA_FILE);
+ mAccount = extras.getParcelable(EXTRA_ACCOUNT);
+ mSavedPlaybackPosition = extras.getInt(EXTRA_START_POSITION);
+ mAutoplay = extras.getBoolean(EXTRA_AUTOPLAY);
+
+ mVideoPlayer = (VideoView) findViewById(R.id.videoPlayer);
+
+ // set listeners to get more contol on the playback
+ mVideoPlayer.setOnPreparedListener(this);
+ mVideoPlayer.setOnCompletionListener(this);
+ mVideoPlayer.setOnErrorListener(this);
+
+ // keep the screen on while the playback is performed (prevents screen off by battery save)
+ mVideoPlayer.setKeepScreenOn(true);
+
+ if (mFile != null) {
+ if (mFile.isDown()) {
+ mVideoPlayer.setVideoPath(mFile.getStoragePath());
+
+ } else if (mAccount != null) {
+ // not working now
+ String url = AccountUtils.constructFullURLForAccount(this, mAccount) + mFile.getRemotePath();
+ mVideoPlayer.setVideoURI(Uri.parse(url));
+
+ } else {
+ onError(null, MediaService.OC_MEDIA_ERROR, R.string.media_err_no_account);
+ }
+
+ // create and prepare control panel for the user
+ mMediaController = new MediaController(this);
+ mMediaController.setMediaPlayer(mVideoPlayer);
+ mMediaController.setAnchorView(mVideoPlayer);
+ mVideoPlayer.setMediaController(mMediaController);
+
+ } else {
+ onError(null, MediaService.OC_MEDIA_ERROR, R.string.media_err_nothing_to_play);
+ }
+ }
+
+
+ @Override
+ public void onBackPressed() {
+ Intent i = new Intent();
+ i.putExtra(EXTRA_AUTOPLAY, mVideoPlayer.isPlaying());
+ i.putExtra(EXTRA_START_POSITION, mVideoPlayer.getCurrentPosition());
+ setResult(RESULT_OK, i);
+ super.onBackPressed();
+ }
+
+
+ /**
+ * Called when the file is ready to be played.
+ *
+ * Just starts the playback.
+ *
+ * @param mp {@link MediaPlayer} instance performing the playback.
+ */
+ @Override
+ public void onPrepared(MediaPlayer vp) {
+ mVideoPlayer.seekTo(mSavedPlaybackPosition);
+ if (mAutoplay) {
+ mVideoPlayer.start();
+ }
+ mMediaController.show(5000);
+ }
+
+
+ /**
+ * Called when the file is finished playing.
+ *
+ * Rewinds the video
+ *
+ * @param mp {@link MediaPlayer} instance performing the playback.
+ */
+ @Override
+ public void onCompletion(MediaPlayer mp) {
+ mVideoPlayer.seekTo(0);
+ }
+
+
+ /**
+ * Called when an error in playback occurs.
+ *
+ * @param mp {@link MediaPlayer} instance performing the playback.
+ * @param what Type of error
+ * @param extra Extra code specific to the error
+ */
+ @Override
+ public boolean onError(MediaPlayer mp, int what, int extra) {
+ Log.e(TAG, "Error in video playback, what = " + what + ", extra = " + extra);
+
+ if (mMediaController != null) {
+ mMediaController.hide();
+ }
+
+ if (mVideoPlayer.getWindowToken() != null) {
+ String message = MediaService.getMessageForMediaError(this, what, extra);
+ new AlertDialog.Builder(this)
+ .setMessage(message)
+ .setPositiveButton(android.R.string.VideoView_error_button,
+ new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int whichButton) {
+ PreviewVideoActivity.this.onCompletion(null);
+ }
+ })
+ .setCancelable(false)
+ .show();
+ }
+ return true;
+ }
+
+
+ /**
+ * Screen touches trigger the appearance of the control panel for a limited time.
+ *
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean onTouchEvent (MotionEvent ev){
+ if (ev.getAction() == MotionEvent.ACTION_DOWN) {
+ mMediaController.show(MediaService.MEDIA_CONTROL_SHORT_LIFE);
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+
+}
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projects / pub / Android / ownCloud.git / commitdiff