diff options
Diffstat (limited to 'src/com/android/tv/dvr/ui/DvrPlaybackControlHelper.java')
| -rw-r--r-- | src/com/android/tv/dvr/ui/DvrPlaybackControlHelper.java | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/src/com/android/tv/dvr/ui/DvrPlaybackControlHelper.java b/src/com/android/tv/dvr/ui/DvrPlaybackControlHelper.java deleted file mode 100644 index 0bc4ecb1..00000000 --- a/src/com/android/tv/dvr/ui/DvrPlaybackControlHelper.java +++ /dev/null @@ -1,313 +0,0 @@ -/* - * Copyright (C) 2016 The Android Open Source 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.android.tv.dvr.ui; - -import android.app.Activity; -import android.graphics.drawable.Drawable; -import android.media.MediaMetadata; -import android.media.session.MediaController; -import android.media.session.MediaController.TransportControls; -import android.media.session.PlaybackState; -import android.support.v17.leanback.app.PlaybackControlGlue; -import android.support.v17.leanback.widget.AbstractDetailsDescriptionPresenter; -import android.support.v17.leanback.widget.Action; -import android.support.v17.leanback.widget.OnActionClickedListener; -import android.support.v17.leanback.widget.PlaybackControlsRow; -import android.support.v17.leanback.widget.PlaybackControlsRowPresenter; -import android.support.v17.leanback.widget.RowPresenter; -import android.text.TextUtils; -import android.util.Log; -import android.view.KeyEvent; -import android.view.View; - -import com.android.tv.R; -import com.android.tv.util.TimeShiftUtils; - -/** - * A helper class to assist {@link DvrPlaybackOverlayFragment} to manage its controls row and - * send command to the media controller. It also helps to update playback states displayed in the - * fragment according to information the media session provides. - */ -public class DvrPlaybackControlHelper extends PlaybackControlGlue { - private static final String TAG = "DvrPlaybackControlHelper"; - private static final boolean DEBUG = false; - - /** - * Indicates the ID of the media under playback is unknown. - */ - public static int UNKNOWN_MEDIA_ID = -1; - - private int mPlaybackState = PlaybackState.STATE_NONE; - private int mPlaybackSpeedLevel; - private int mPlaybackSpeedId; - private boolean mReadyToControl; - - private final MediaController mMediaController; - private final MediaController.Callback mMediaControllerCallback = new MediaControllerCallback(); - private final TransportControls mTransportControls; - private final int mExtraPaddingTopForNoDescription; - - public DvrPlaybackControlHelper(Activity activity, DvrPlaybackOverlayFragment overlayFragment) { - super(activity, overlayFragment, new int[TimeShiftUtils.MAX_SPEED_LEVEL + 1]); - mMediaController = activity.getMediaController(); - mMediaController.registerCallback(mMediaControllerCallback); - mTransportControls = mMediaController.getTransportControls(); - mExtraPaddingTopForNoDescription = activity.getResources() - .getDimensionPixelOffset(R.dimen.dvr_playback_controls_extra_padding_top); - } - - @Override - public PlaybackControlsRowPresenter createControlsRowAndPresenter() { - PlaybackControlsRow controlsRow = new PlaybackControlsRow(this); - setControlsRow(controlsRow); - AbstractDetailsDescriptionPresenter detailsPresenter = - new AbstractDetailsDescriptionPresenter() { - @Override - protected void onBindDescription( - AbstractDetailsDescriptionPresenter.ViewHolder viewHolder, Object object) { - PlaybackControlGlue glue = (PlaybackControlGlue) object; - if (glue.hasValidMedia()) { - viewHolder.getTitle().setText(glue.getMediaTitle()); - viewHolder.getSubtitle().setText(glue.getMediaSubtitle()); - } else { - viewHolder.getTitle().setText(""); - viewHolder.getSubtitle().setText(""); - } - if (TextUtils.isEmpty(viewHolder.getSubtitle().getText())) { - viewHolder.view.setPadding(viewHolder.view.getPaddingLeft(), - mExtraPaddingTopForNoDescription, - viewHolder.view.getPaddingRight(), viewHolder.view.getPaddingBottom()); - } - } - }; - PlaybackControlsRowPresenter presenter = - new PlaybackControlsRowPresenter(detailsPresenter) { - @Override - protected void onBindRowViewHolder(RowPresenter.ViewHolder vh, Object item) { - super.onBindRowViewHolder(vh, item); - vh.setOnKeyListener(DvrPlaybackControlHelper.this); - } - - @Override - protected void onUnbindRowViewHolder(RowPresenter.ViewHolder vh) { - super.onUnbindRowViewHolder(vh); - vh.setOnKeyListener(null); - } - }; - presenter.setProgressColor(getContext().getResources() - .getColor(R.color.play_controls_progress_bar_watched)); - presenter.setBackgroundColor(getContext().getResources() - .getColor(R.color.play_controls_body_background_enabled)); - presenter.setOnActionClickedListener(new OnActionClickedListener() { - @Override - public void onActionClicked(Action action) { - if (mReadyToControl) { - DvrPlaybackControlHelper.super.onActionClicked(action); - } - } - }); - return presenter; - } - - @Override - public boolean onKey(View v, int keyCode, KeyEvent event) { - if (mReadyToControl) { - if (keyCode == KeyEvent.KEYCODE_MEDIA_PAUSE && event.getAction() == KeyEvent.ACTION_DOWN - && (mPlaybackState == PlaybackState.STATE_FAST_FORWARDING - || mPlaybackState == PlaybackState.STATE_REWINDING)) { - // Workaround of b/31489271. Clicks play/pause button first to reset play controls - // to "play" state. Then we can pass MEDIA_PAUSE to let playback be paused. - onActionClicked(getControlsRow().getActionForKeyCode(keyCode)); - } - return super.onKey(v, keyCode, event); - } - return false; - } - - @Override - public boolean hasValidMedia() { - PlaybackState playbackState = mMediaController.getPlaybackState(); - return playbackState != null; - } - - @Override - public boolean isMediaPlaying() { - PlaybackState playbackState = mMediaController.getPlaybackState(); - if (playbackState == null) { - return false; - } - int state = playbackState.getState(); - return state != PlaybackState.STATE_NONE && state != PlaybackState.STATE_CONNECTING - && state != PlaybackState.STATE_PAUSED; - } - - /** - * Returns the ID of the media under playback. - */ - public long getMediaId() { - MediaMetadata mediaMetadata = mMediaController.getMetadata(); - return mediaMetadata == null ? UNKNOWN_MEDIA_ID - : mediaMetadata.getLong(MediaMetadata.METADATA_KEY_MEDIA_ID); - } - - @Override - public CharSequence getMediaTitle() { - MediaMetadata mediaMetadata = mMediaController.getMetadata(); - return mediaMetadata == null ? "" - : mediaMetadata.getString(MediaMetadata.METADATA_KEY_TITLE); - } - - @Override - public CharSequence getMediaSubtitle() { - MediaMetadata mediaMetadata = mMediaController.getMetadata(); - return mediaMetadata == null ? "" - : mediaMetadata.getString(MediaMetadata.METADATA_KEY_DISPLAY_SUBTITLE); - } - - @Override - public int getMediaDuration() { - MediaMetadata mediaMetadata = mMediaController.getMetadata(); - return mediaMetadata == null ? 0 - : (int) mediaMetadata.getLong(MediaMetadata.METADATA_KEY_DURATION); - } - - @Override - public Drawable getMediaArt() { - // Do not show the poster art on control row. - return null; - } - - @Override - public long getSupportedActions() { - return ACTION_PLAY_PAUSE | ACTION_FAST_FORWARD | ACTION_REWIND; - } - - @Override - public int getCurrentSpeedId() { - return mPlaybackSpeedId; - } - - @Override - public int getCurrentPosition() { - PlaybackState playbackState = mMediaController.getPlaybackState(); - if (playbackState == null) { - return 0; - } - return (int) playbackState.getPosition(); - } - - /** - * Unregister media controller's callback. - */ - public void unregisterCallback() { - mMediaController.unregisterCallback(mMediaControllerCallback); - } - - @Override - protected void startPlayback(int speedId) { - if (getCurrentSpeedId() == speedId) { - return; - } - if (speedId == PLAYBACK_SPEED_NORMAL) { - mTransportControls.play(); - } else if (speedId <= -PLAYBACK_SPEED_FAST_L0) { - mTransportControls.rewind(); - } else if (speedId >= PLAYBACK_SPEED_FAST_L0){ - mTransportControls.fastForward(); - } - } - - @Override - protected void pausePlayback() { - mTransportControls.pause(); - } - - @Override - protected void skipToNext() { - // Do nothing. - } - - @Override - protected void skipToPrevious() { - // Do nothing. - } - - @Override - protected void onRowChanged(PlaybackControlsRow row) { - // Do nothing. - } - - private void onStateChanged(int state, long positionMs, int speedLevel) { - if (DEBUG) Log.d(TAG, "onStateChanged"); - getControlsRow().setCurrentTime((int) positionMs); - if (state == mPlaybackState && mPlaybackSpeedLevel == speedLevel) { - // Only position is changed, no need to update controls row - return; - } - // NOTICE: The below two variables should only be used in this method. - // The only usage of them is to confirm if the state is changed or not. - mPlaybackState = state; - mPlaybackSpeedLevel = speedLevel; - switch (state) { - case PlaybackState.STATE_PLAYING: - mPlaybackSpeedId = PLAYBACK_SPEED_NORMAL; - setFadingEnabled(true); - mReadyToControl = true; - break; - case PlaybackState.STATE_PAUSED: - mPlaybackSpeedId = PLAYBACK_SPEED_PAUSED; - setFadingEnabled(true); - mReadyToControl = true; - break; - case PlaybackState.STATE_FAST_FORWARDING: - mPlaybackSpeedId = PLAYBACK_SPEED_FAST_L0 + speedLevel; - setFadingEnabled(false); - mReadyToControl = true; - break; - case PlaybackState.STATE_REWINDING: - mPlaybackSpeedId = -PLAYBACK_SPEED_FAST_L0 - speedLevel; - setFadingEnabled(false); - mReadyToControl = true; - break; - case PlaybackState.STATE_CONNECTING: - setFadingEnabled(false); - mReadyToControl = false; - break; - case PlaybackState.STATE_NONE: - mReadyToControl = false; - break; - default: - setFadingEnabled(true); - break; - } - onStateChanged(); - } - - private class MediaControllerCallback extends MediaController.Callback { - @Override - public void onPlaybackStateChanged(PlaybackState state) { - if (DEBUG) Log.d(TAG, "Playback state changed: " + state.getState()); - onStateChanged(state.getState(), state.getPosition(), (int) state.getPlaybackSpeed()); - } - - @Override - public void onMetadataChanged(MediaMetadata metadata) { - DvrPlaybackControlHelper.this.onMetadataChanged(); - ((DvrPlaybackOverlayFragment) getFragment()).onMediaControllerUpdated(); - } - } -}
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