v17/leanback/src/android/support/v17/leanback/widget/PlaybackControlsRowPresenter.java - platform/frameworks/support.git - Git at Google

 /*
  * Copyright (C) 2014 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 android.support.v17.leanback.widget;

 import android.graphics.drawable.Drawable;
 import android.support.annotation.ColorInt;
 import android.support.v17.leanback.R;
 import android.support.v17.leanback.widget.ControlBarPresenter.OnControlClickedListener;
 import android.support.v17.leanback.widget.ControlBarPresenter.OnControlSelectedListener;
 import android.content.Context;
 import android.graphics.Color;
 import android.util.TypedValue;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewGroup.LayoutParams;
 import android.view.ViewGroup.MarginLayoutParams;
 import android.widget.ImageView;
 import android.widget.LinearLayout;

 /**
  * A PlaybackControlsRowPresenter renders a {@link PlaybackControlsRow} to display a
  * series of playback control buttons. Typically this row will be the first row in a fragment
  * such as the {@link android.support.v17.leanback.app.PlaybackOverlayFragment}.
  *
  * <p>The detailed description is rendered using a {@link Presenter} passed in
  * {@link #PlaybackControlsRowPresenter(Presenter)}.  Typically this will be an instance of
  * {@link AbstractDetailsDescriptionPresenter}.  The application can access the
  * detailed description ViewHolder from {@link ViewHolder#mDescriptionViewHolder}.
  * </p>
  */
 public class PlaybackControlsRowPresenter extends RowPresenter {

     static class BoundData extends PlaybackControlsPresenter.BoundData {
         ViewHolder mRowViewHolder;
     }

     /**
      * A ViewHolder for the PlaybackControlsRow.
      */
     public class ViewHolder extends RowPresenter.ViewHolder {
         public final Presenter.ViewHolder mDescriptionViewHolder;
         final ViewGroup mCard;
         final ViewGroup mCardRightPanel;
         final ImageView mImageView;
         final ViewGroup mDescriptionDock;
         final ViewGroup mControlsDock;
         final ViewGroup mSecondaryControlsDock;
         final View mSpacer;
         final View mBottomSpacer;
         View mBgView;
         int mControlsDockMarginStart;
         int mControlsDockMarginEnd;
         PlaybackControlsPresenter.ViewHolder mControlsVh;
         Presenter.ViewHolder mSecondaryControlsVh;
         BoundData mControlsBoundData = new BoundData();
         BoundData mSecondaryBoundData = new BoundData();
         Presenter.ViewHolder mSelectedViewHolder;
         Object mSelectedItem;
         final PlaybackControlsRow.OnPlaybackStateChangedListener mListener =
                 new PlaybackControlsRow.OnPlaybackStateChangedListener() {
             @Override
             public void onCurrentTimeChanged(int ms) {
                 mPlaybackControlsPresenter.setCurrentTime(mControlsVh, ms);
             }
             @Override
             public void onBufferedProgressChanged(int ms) {
                 mPlaybackControlsPresenter.setSecondaryProgress(mControlsVh, ms);
             }
         };

         ViewHolder(View rootView, Presenter descriptionPresenter) {
             super(rootView);
             mCard = (ViewGroup) rootView.findViewById(R.id.controls_card);
             mCardRightPanel = (ViewGroup) rootView.findViewById(R.id.controls_card_right_panel);
             mImageView = (ImageView) rootView.findViewById(R.id.image);
             mDescriptionDock = (ViewGroup) rootView.findViewById(R.id.description_dock);
             mControlsDock = (ViewGroup) rootView.findViewById(R.id.controls_dock);
             mSecondaryControlsDock =
                     (ViewGroup) rootView.findViewById(R.id.secondary_controls_dock);
             mSpacer = rootView.findViewById(R.id.spacer);
             mBottomSpacer = rootView.findViewById(R.id.bottom_spacer);
             mDescriptionViewHolder = descriptionPresenter == null ? null :
                     descriptionPresenter.onCreateViewHolder(mDescriptionDock);
             if (mDescriptionViewHolder != null) {
                 mDescriptionDock.addView(mDescriptionViewHolder.view);
             }
         }

         void dispatchItemSelection() {
             if (!isSelected()) {
                 return;
             }
             if (mSelectedViewHolder == null) {
                 if (getOnItemViewSelectedListener() != null) {
                     getOnItemViewSelectedListener().onItemSelected(null, null,
                             ViewHolder.this, getRow());
                 }
             } else {
                 if (getOnItemViewSelectedListener() != null) {
                     getOnItemViewSelectedListener().onItemSelected(mSelectedViewHolder, mSelectedItem,
                             ViewHolder.this, getRow());
                 }
             }
         };

         Presenter getPresenter(boolean primary) {
             ObjectAdapter adapter = primary ?
                     ((PlaybackControlsRow) getRow()).getPrimaryActionsAdapter() :
                             ((PlaybackControlsRow) getRow()).getSecondaryActionsAdapter();
             if (adapter == null) {
                 return null;
             }
             if (adapter.getPresenterSelector() instanceof ControlButtonPresenterSelector) {
                 ControlButtonPresenterSelector selector =
                         (ControlButtonPresenterSelector) adapter.getPresenterSelector();
                 return primary ? selector.getPrimaryPresenter() :
                     selector.getSecondaryPresenter();
             }
             return adapter.getPresenter(adapter.size() > 0 ? adapter.get(0) : null);
         }

         void setOutline(View view) {
             if (mBgView != null) {
                 RoundedRectHelper.getInstance().setClipToRoundedOutline(mBgView, false);
                 ShadowHelper.getInstance().setZ(mBgView, 0);
             }
             mBgView = view;
             RoundedRectHelper.getInstance().setClipToRoundedOutline(view, true);

             if (sShadowZ == 0) {
                 sShadowZ = view.getResources().getDimensionPixelSize(
                         R.dimen.lb_playback_controls_z);
             }
             ShadowHelper.getInstance().setZ(view, sShadowZ);
         }
     }

     private int mBackgroundColor = Color.TRANSPARENT;
     private boolean mBackgroundColorSet;
     private int mProgressColor = Color.TRANSPARENT;
     private boolean mProgressColorSet;
     private boolean mSecondaryActionsHidden;
     private Presenter mDescriptionPresenter;
     private PlaybackControlsPresenter mPlaybackControlsPresenter;
     private ControlBarPresenter mSecondaryControlsPresenter;
     private OnActionClickedListener mOnActionClickedListener;
     private static float sShadowZ;

     private final OnControlSelectedListener mOnControlSelectedListener =
             new OnControlSelectedListener() {
         @Override
         public void onControlSelected(Presenter.ViewHolder itemViewHolder, Object item,
                 ControlBarPresenter.BoundData data) {
             ViewHolder vh = ((BoundData) data).mRowViewHolder;
             if (vh.mSelectedViewHolder != itemViewHolder || vh.mSelectedItem != item) {
                 vh.mSelectedViewHolder = itemViewHolder;
                 vh.mSelectedItem = item;
                 vh.dispatchItemSelection();
             }
         }
     };

     private final OnControlClickedListener mOnControlClickedListener =
             new OnControlClickedListener() {
         @Override
         public void onControlClicked(Presenter.ViewHolder itemViewHolder, Object item,
                 ControlBarPresenter.BoundData data) {
             ViewHolder vh = ((BoundData) data).mRowViewHolder;
             if (vh.getOnItemViewClickedListener() != null) {
                 vh.getOnItemViewClickedListener().onItemClicked(itemViewHolder, item,
                         vh, vh.getRow());
             }
             if (mOnActionClickedListener != null && item instanceof Action) {
                 mOnActionClickedListener.onActionClicked((Action) item);
             }
         }
     };

     /**
      * Constructor for a PlaybackControlsRowPresenter.
      *
      * @param descriptionPresenter Presenter for displaying item details.
      */
     public PlaybackControlsRowPresenter(Presenter descriptionPresenter) {
         setHeaderPresenter(null);
         setSelectEffectEnabled(false);

         mDescriptionPresenter = descriptionPresenter;
         mPlaybackControlsPresenter = new PlaybackControlsPresenter(R.layout.lb_playback_controls);
         mSecondaryControlsPresenter = new ControlBarPresenter(R.layout.lb_control_bar);

         mPlaybackControlsPresenter.setOnControlSelectedListener(mOnControlSelectedListener);
         mSecondaryControlsPresenter.setOnControlSelectedListener(mOnControlSelectedListener);
         mPlaybackControlsPresenter.setOnControlClickedListener(mOnControlClickedListener);
         mSecondaryControlsPresenter.setOnControlClickedListener(mOnControlClickedListener);
     }

     /**
      * Constructor for a PlaybackControlsRowPresenter.
      */
     public PlaybackControlsRowPresenter() {
         this(null);
     }

     /**
      * Sets the listener for {@link Action} click events.
      */
     public void setOnActionClickedListener(OnActionClickedListener listener) {
         mOnActionClickedListener = listener;
     }

     /**
      * Returns the listener for {@link Action} click events.
      */
     public OnActionClickedListener getOnActionClickedListener() {
         return mOnActionClickedListener;
     }

     /**
      * Sets the background color.  If not set, a default from the theme will be used.
      */
     public void setBackgroundColor(@ColorInt int color) {
         mBackgroundColor = color;
         mBackgroundColorSet = true;
     }

     /**
      * Returns the background color.  If no background color was set, transparent
      * is returned.
      */
     @ColorInt
     public int getBackgroundColor() {
         return mBackgroundColor;
     }

     /**
      * Sets the primary color for the progress bar.  If not set, a default from
      * the theme will be used.
      */
     public void setProgressColor(@ColorInt int color) {
         mProgressColor = color;
         mProgressColorSet = true;
     }

     /**
      * Returns the primary color for the progress bar.  If no color was set, transparent
      * is returned.
      */
     @ColorInt
     public int getProgressColor() {
         return mProgressColor;
     }

     /**
      * Sets the secondary actions to be hidden behind a "more actions" button.
      * When "more actions" is selected, the primary actions are replaced with
      * the secondary actions.
      */
     public void setSecondaryActionsHidden(boolean hidden) {
         mSecondaryActionsHidden = hidden;
     }

     /**
      * Returns true if secondary actions are hidden.
      */
     public boolean areSecondaryActionsHidden() {
         return mSecondaryActionsHidden;
     }

     /**
      * Shows or hides space at the bottom of the playback controls row.
      * This allows the row to hug the bottom of the display when no
      * other rows are present.
      */
     public void showBottomSpace(ViewHolder vh, boolean show) {
         vh.mBottomSpacer.setVisibility(show ? View.VISIBLE : View.GONE);
     }

     /**
      * Displays the primary actions.  This will override the user having selected "more actions"
      * to display the secondary actions; see {@link #setSecondaryActionsHidden(boolean)}.
      */
     public void showPrimaryActions(ViewHolder vh) {
         mPlaybackControlsPresenter.showPrimaryActions(vh.mControlsVh);
         mPlaybackControlsPresenter.resetFocus(vh.mControlsVh);
     }

     private int getDefaultBackgroundColor(Context context) {
         TypedValue outValue = new TypedValue();
         if (context.getTheme().resolveAttribute(R.attr.defaultBrandColor, outValue, true)) {
             return context.getResources().getColor(outValue.resourceId);
         }
         return context.getResources().getColor(R.color.lb_default_brand_color);
     }

     private int getDefaultProgressColor(Context context) {
         TypedValue outValue = new TypedValue();
         if (context.getTheme()
                 .resolveAttribute(R.attr.playbackProgressPrimaryColor, outValue, true)) {
             return context.getResources().getColor(outValue.resourceId);
         }
         return context.getResources().getColor(R.color.lb_playback_progress_color_no_theme);
     }

     @Override
     protected RowPresenter.ViewHolder createRowViewHolder(ViewGroup parent) {
         View v = LayoutInflater.from(parent.getContext())
             .inflate(R.layout.lb_playback_controls_row, parent, false);
         ViewHolder vh = new ViewHolder(v, mDescriptionPresenter);
         initRow(vh);
         return vh;
     }

     private void initRow(final ViewHolder vh) {
         MarginLayoutParams lp = (MarginLayoutParams) vh.mControlsDock.getLayoutParams();
         vh.mControlsDockMarginStart = lp.getMarginStart();
         vh.mControlsDockMarginEnd = lp.getMarginEnd();

         vh.mControlsVh = (PlaybackControlsPresenter.ViewHolder)
                 mPlaybackControlsPresenter.onCreateViewHolder(vh.mControlsDock);
         mPlaybackControlsPresenter.setProgressColor(vh.mControlsVh, mProgressColorSet ?
                 mProgressColor : getDefaultProgressColor(vh.mControlsDock.getContext()));
         mPlaybackControlsPresenter.setBackgroundColor(vh.mControlsVh, mBackgroundColorSet ?
                 mBackgroundColor : getDefaultBackgroundColor(vh.view.getContext()));
         vh.mControlsDock.addView(vh.mControlsVh.view);

         vh.mSecondaryControlsVh =
                 mSecondaryControlsPresenter.onCreateViewHolder(vh.mSecondaryControlsDock);
         if (!mSecondaryActionsHidden) {
             vh.mSecondaryControlsDock.addView(vh.mSecondaryControlsVh.view);
         }
         ((PlaybackControlsRowView) vh.view).setOnUnhandledKeyListener(
                 new PlaybackControlsRowView.OnUnhandledKeyListener() {
             @Override
             public boolean onUnhandledKey(KeyEvent event) {
                 if (vh.getOnKeyListener() != null) {
                     if (vh.getOnKeyListener().onKey(vh.view, event.getKeyCode(), event)) {
                         return true;
                     }
                 }
                 return false;
             }
         });
     }

     @Override
     protected void onBindRowViewHolder(RowPresenter.ViewHolder holder, Object item) {
         super.onBindRowViewHolder(holder, item);

         ViewHolder vh = (ViewHolder) holder;
         PlaybackControlsRow row = (PlaybackControlsRow) vh.getRow();

         mPlaybackControlsPresenter.enableSecondaryActions(mSecondaryActionsHidden);

         if (row.getItem() == null) {
             vh.mDescriptionDock.setVisibility(View.GONE);
             vh.mSpacer.setVisibility(View.GONE);
         } else {
             vh.mDescriptionDock.setVisibility(View.VISIBLE);
             if (vh.mDescriptionViewHolder != null) {
                 mDescriptionPresenter.onBindViewHolder(vh.mDescriptionViewHolder, row.getItem());
             }
             vh.mSpacer.setVisibility(View.VISIBLE);
         }

         if (row.getImageDrawable() == null || row.getItem() == null) {
             vh.mImageView.setImageDrawable(null);
             updateCardLayout(vh, LayoutParams.WRAP_CONTENT);
         } else {
             vh.mImageView.setImageDrawable(row.getImageDrawable());
             updateCardLayout(vh, vh.mImageView.getLayoutParams().height);
         }

         vh.mControlsBoundData.adapter = row.getPrimaryActionsAdapter();
         vh.mControlsBoundData.secondaryActionsAdapter = row.getSecondaryActionsAdapter();
         vh.mControlsBoundData.presenter = vh.getPresenter(true);
         vh.mControlsBoundData.mRowViewHolder = vh;
         mPlaybackControlsPresenter.onBindViewHolder(vh.mControlsVh, vh.mControlsBoundData);

         vh.mSecondaryBoundData.adapter = row.getSecondaryActionsAdapter();
         vh.mSecondaryBoundData.presenter = vh.getPresenter(false);
         vh.mSecondaryBoundData.mRowViewHolder = vh;
         mSecondaryControlsPresenter.onBindViewHolder(vh.mSecondaryControlsVh,
                 vh.mSecondaryBoundData);

         mPlaybackControlsPresenter.setTotalTime(vh.mControlsVh, row.getTotalTime());
         mPlaybackControlsPresenter.setCurrentTime(vh.mControlsVh, row.getCurrentTime());
         mPlaybackControlsPresenter.setSecondaryProgress(vh.mControlsVh, row.getBufferedProgress());
         row.setOnPlaybackStateChangedListener(vh.mListener);
     }

     private void updateCardLayout(ViewHolder vh, int height) {
         LayoutParams lp = vh.mCardRightPanel.getLayoutParams();
         lp.height = height;
         vh.mCardRightPanel.setLayoutParams(lp);

         MarginLayoutParams mlp = (MarginLayoutParams) vh.mControlsDock.getLayoutParams();
         LinearLayout.LayoutParams llp =
                 (LinearLayout.LayoutParams) vh.mDescriptionDock.getLayoutParams();

         if (height == LayoutParams.WRAP_CONTENT) {
             llp.height = LayoutParams.WRAP_CONTENT;
             mlp.setMarginStart(0);
             mlp.setMarginEnd(0);
             vh.mCard.setBackground(null);
             vh.setOutline(vh.mControlsDock);
             mPlaybackControlsPresenter.enableTimeMargins(vh.mControlsVh, true);
         } else {
             llp.height = 0;
             llp.weight = 1;
             mlp.setMarginStart(vh.mControlsDockMarginStart);
             mlp.setMarginEnd(vh.mControlsDockMarginEnd);
             vh.mCard.setBackgroundColor(mBackgroundColorSet ? mBackgroundColor :
                     getDefaultBackgroundColor(vh.mCard.getContext()));
             vh.setOutline(vh.mCard);
             mPlaybackControlsPresenter.enableTimeMargins(vh.mControlsVh, false);
         }
         vh.mDescriptionDock.setLayoutParams(llp);
         vh.mControlsDock.setLayoutParams(mlp);
     }

     @Override
     protected void onUnbindRowViewHolder(RowPresenter.ViewHolder holder) {
         ViewHolder vh = (ViewHolder) holder;
         PlaybackControlsRow row = (PlaybackControlsRow) vh.getRow();

         if (vh.mDescriptionViewHolder != null) {
             mDescriptionPresenter.onUnbindViewHolder(vh.mDescriptionViewHolder);
         }
         mPlaybackControlsPresenter.onUnbindViewHolder(vh.mControlsVh);
         mSecondaryControlsPresenter.onUnbindViewHolder(vh.mSecondaryControlsVh);
         row.setOnPlaybackStateChangedListener(null);

         super.onUnbindRowViewHolder(holder);
     }

     @Override
     protected void onRowViewSelected(RowPresenter.ViewHolder vh, boolean selected) {
         super.onRowViewSelected(vh, selected);
         if (selected) {
             ((ViewHolder) vh).dispatchItemSelection();
         }
     }

     @Override
     protected void onRowViewAttachedToWindow(RowPresenter.ViewHolder vh) {
         super.onRowViewAttachedToWindow(vh);
         if (mDescriptionPresenter != null) {
             mDescriptionPresenter.onViewAttachedToWindow(
                     ((ViewHolder) vh).mDescriptionViewHolder);
         }
     }

     @Override
     protected void onRowViewDetachedFromWindow(RowPresenter.ViewHolder vh) {
         super.onRowViewDetachedFromWindow(vh);
         if (mDescriptionPresenter != null) {
             mDescriptionPresenter.onViewDetachedFromWindow(
                     ((ViewHolder) vh).mDescriptionViewHolder);
         }
     }
 }
	/*
	* Copyright (C) 2014 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 android.support.v17.leanback.widget;

	import android.graphics.drawable.Drawable;
	import android.support.annotation.ColorInt;
	import android.support.v17.leanback.R;
	import android.support.v17.leanback.widget.ControlBarPresenter.OnControlClickedListener;
	import android.support.v17.leanback.widget.ControlBarPresenter.OnControlSelectedListener;
	import android.content.Context;
	import android.graphics.Color;
	import android.util.TypedValue;
	import android.view.KeyEvent;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.view.ViewGroup.LayoutParams;
	import android.view.ViewGroup.MarginLayoutParams;
	import android.widget.ImageView;
	import android.widget.LinearLayout;

	/**
	* A PlaybackControlsRowPresenter renders a {@link PlaybackControlsRow} to display a
	* series of playback control buttons. Typically this row will be the first row in a fragment
	* such as the {@link android.support.v17.leanback.app.PlaybackOverlayFragment}.
	*
	* <p>The detailed description is rendered using a {@link Presenter} passed in
	* {@link #PlaybackControlsRowPresenter(Presenter)}. Typically this will be an instance of
	* {@link AbstractDetailsDescriptionPresenter}. The application can access the
	* detailed description ViewHolder from {@link ViewHolder#mDescriptionViewHolder}.
	* </p>
	*/
	public class PlaybackControlsRowPresenter extends RowPresenter {

	static class BoundData extends PlaybackControlsPresenter.BoundData {
	ViewHolder mRowViewHolder;
	}

	/**
	* A ViewHolder for the PlaybackControlsRow.
	*/
	public class ViewHolder extends RowPresenter.ViewHolder {
	public final Presenter.ViewHolder mDescriptionViewHolder;
	final ViewGroup mCard;
	final ViewGroup mCardRightPanel;
	final ImageView mImageView;
	final ViewGroup mDescriptionDock;
	final ViewGroup mControlsDock;
	final ViewGroup mSecondaryControlsDock;
	final View mSpacer;
	final View mBottomSpacer;
	View mBgView;
	int mControlsDockMarginStart;
	int mControlsDockMarginEnd;
	PlaybackControlsPresenter.ViewHolder mControlsVh;
	Presenter.ViewHolder mSecondaryControlsVh;
	BoundData mControlsBoundData = new BoundData();
	BoundData mSecondaryBoundData = new BoundData();
	Presenter.ViewHolder mSelectedViewHolder;
	Object mSelectedItem;
	final PlaybackControlsRow.OnPlaybackStateChangedListener mListener =
	new PlaybackControlsRow.OnPlaybackStateChangedListener() {
	@Override
	public void onCurrentTimeChanged(int ms) {
	mPlaybackControlsPresenter.setCurrentTime(mControlsVh, ms);
	}
	@Override
	public void onBufferedProgressChanged(int ms) {
	mPlaybackControlsPresenter.setSecondaryProgress(mControlsVh, ms);
	}
	};

	ViewHolder(View rootView, Presenter descriptionPresenter) {
	super(rootView);
	mCard = (ViewGroup) rootView.findViewById(R.id.controls_card);
	mCardRightPanel = (ViewGroup) rootView.findViewById(R.id.controls_card_right_panel);
	mImageView = (ImageView) rootView.findViewById(R.id.image);
	mDescriptionDock = (ViewGroup) rootView.findViewById(R.id.description_dock);
	mControlsDock = (ViewGroup) rootView.findViewById(R.id.controls_dock);
	mSecondaryControlsDock =
	(ViewGroup) rootView.findViewById(R.id.secondary_controls_dock);
	mSpacer = rootView.findViewById(R.id.spacer);
	mBottomSpacer = rootView.findViewById(R.id.bottom_spacer);
	mDescriptionViewHolder = descriptionPresenter == null ? null :
	descriptionPresenter.onCreateViewHolder(mDescriptionDock);
	if (mDescriptionViewHolder != null) {
	mDescriptionDock.addView(mDescriptionViewHolder.view);
	}
	}

	void dispatchItemSelection() {
	if (!isSelected()) {
	return;
	}
	if (mSelectedViewHolder == null) {
	if (getOnItemViewSelectedListener() != null) {
	getOnItemViewSelectedListener().onItemSelected(null, null,
	ViewHolder.this, getRow());
	}
	} else {
	if (getOnItemViewSelectedListener() != null) {
	getOnItemViewSelectedListener().onItemSelected(mSelectedViewHolder, mSelectedItem,
	ViewHolder.this, getRow());
	}
	}
	};

	Presenter getPresenter(boolean primary) {
	ObjectAdapter adapter = primary ?
	((PlaybackControlsRow) getRow()).getPrimaryActionsAdapter() :
	((PlaybackControlsRow) getRow()).getSecondaryActionsAdapter();
	if (adapter == null) {
	return null;
	}
	if (adapter.getPresenterSelector() instanceof ControlButtonPresenterSelector) {
	ControlButtonPresenterSelector selector =
	(ControlButtonPresenterSelector) adapter.getPresenterSelector();
	return primary ? selector.getPrimaryPresenter() :
	selector.getSecondaryPresenter();
	}
	return adapter.getPresenter(adapter.size() > 0 ? adapter.get(0) : null);
	}

	void setOutline(View view) {
	if (mBgView != null) {
	RoundedRectHelper.getInstance().setClipToRoundedOutline(mBgView, false);
	ShadowHelper.getInstance().setZ(mBgView, 0);
	}
	mBgView = view;
	RoundedRectHelper.getInstance().setClipToRoundedOutline(view, true);

	if (sShadowZ == 0) {
	sShadowZ = view.getResources().getDimensionPixelSize(
	R.dimen.lb_playback_controls_z);
	}
	ShadowHelper.getInstance().setZ(view, sShadowZ);
	}
	}

	private int mBackgroundColor = Color.TRANSPARENT;
	private boolean mBackgroundColorSet;
	private int mProgressColor = Color.TRANSPARENT;
	private boolean mProgressColorSet;
	private boolean mSecondaryActionsHidden;
	private Presenter mDescriptionPresenter;
	private PlaybackControlsPresenter mPlaybackControlsPresenter;
	private ControlBarPresenter mSecondaryControlsPresenter;
	private OnActionClickedListener mOnActionClickedListener;
	private static float sShadowZ;

	private final OnControlSelectedListener mOnControlSelectedListener =
	new OnControlSelectedListener() {
	@Override
	public void onControlSelected(Presenter.ViewHolder itemViewHolder, Object item,
	ControlBarPresenter.BoundData data) {
	ViewHolder vh = ((BoundData) data).mRowViewHolder;
	if (vh.mSelectedViewHolder != itemViewHolder \|\| vh.mSelectedItem != item) {
	vh.mSelectedViewHolder = itemViewHolder;
	vh.mSelectedItem = item;
	vh.dispatchItemSelection();
	}
	}
	};

	private final OnControlClickedListener mOnControlClickedListener =
	new OnControlClickedListener() {
	@Override
	public void onControlClicked(Presenter.ViewHolder itemViewHolder, Object item,
	ControlBarPresenter.BoundData data) {
	ViewHolder vh = ((BoundData) data).mRowViewHolder;
	if (vh.getOnItemViewClickedListener() != null) {
	vh.getOnItemViewClickedListener().onItemClicked(itemViewHolder, item,
	vh, vh.getRow());
	}
	if (mOnActionClickedListener != null && item instanceof Action) {
	mOnActionClickedListener.onActionClicked((Action) item);
	}
	}
	};

	/**
	* Constructor for a PlaybackControlsRowPresenter.
	*
	* @param descriptionPresenter Presenter for displaying item details.
	*/
	public PlaybackControlsRowPresenter(Presenter descriptionPresenter) {
	setHeaderPresenter(null);
	setSelectEffectEnabled(false);

	mDescriptionPresenter = descriptionPresenter;
	mPlaybackControlsPresenter = new PlaybackControlsPresenter(R.layout.lb_playback_controls);
	mSecondaryControlsPresenter = new ControlBarPresenter(R.layout.lb_control_bar);

	mPlaybackControlsPresenter.setOnControlSelectedListener(mOnControlSelectedListener);
	mSecondaryControlsPresenter.setOnControlSelectedListener(mOnControlSelectedListener);
	mPlaybackControlsPresenter.setOnControlClickedListener(mOnControlClickedListener);
	mSecondaryControlsPresenter.setOnControlClickedListener(mOnControlClickedListener);
	}

	/**
	* Constructor for a PlaybackControlsRowPresenter.
	*/
	public PlaybackControlsRowPresenter() {
	this(null);
	}

	/**
	* Sets the listener for {@link Action} click events.
	*/
	public void setOnActionClickedListener(OnActionClickedListener listener) {
	mOnActionClickedListener = listener;
	}

	/**
	* Returns the listener for {@link Action} click events.
	*/
	public OnActionClickedListener getOnActionClickedListener() {
	return mOnActionClickedListener;
	}

	/**
	* Sets the background color. If not set, a default from the theme will be used.
	*/
	public void setBackgroundColor(@ColorInt int color) {
	mBackgroundColor = color;
	mBackgroundColorSet = true;
	}

	/**
	* Returns the background color. If no background color was set, transparent
	* is returned.
	*/
	@ColorInt
	public int getBackgroundColor() {
	return mBackgroundColor;
	}

	/**
	* Sets the primary color for the progress bar. If not set, a default from
	* the theme will be used.
	*/
	public void setProgressColor(@ColorInt int color) {
	mProgressColor = color;
	mProgressColorSet = true;
	}

	/**
	* Returns the primary color for the progress bar. If no color was set, transparent
	* is returned.
	*/
	@ColorInt
	public int getProgressColor() {
	return mProgressColor;
	}

	/**
	* Sets the secondary actions to be hidden behind a "more actions" button.
	* When "more actions" is selected, the primary actions are replaced with
	* the secondary actions.
	*/
	public void setSecondaryActionsHidden(boolean hidden) {
	mSecondaryActionsHidden = hidden;
	}

	/**
	* Returns true if secondary actions are hidden.
	*/
	public boolean areSecondaryActionsHidden() {
	return mSecondaryActionsHidden;
	}

	/**
	* Shows or hides space at the bottom of the playback controls row.
	* This allows the row to hug the bottom of the display when no
	* other rows are present.
	*/
	public void showBottomSpace(ViewHolder vh, boolean show) {
	vh.mBottomSpacer.setVisibility(show ? View.VISIBLE : View.GONE);
	}

	/**
	* Displays the primary actions. This will override the user having selected "more actions"
	* to display the secondary actions; see {@link #setSecondaryActionsHidden(boolean)}.
	*/
	public void showPrimaryActions(ViewHolder vh) {
	mPlaybackControlsPresenter.showPrimaryActions(vh.mControlsVh);
	mPlaybackControlsPresenter.resetFocus(vh.mControlsVh);
	}

	private int getDefaultBackgroundColor(Context context) {
	TypedValue outValue = new TypedValue();
	if (context.getTheme().resolveAttribute(R.attr.defaultBrandColor, outValue, true)) {
	return context.getResources().getColor(outValue.resourceId);
	}
	return context.getResources().getColor(R.color.lb_default_brand_color);
	}

	private int getDefaultProgressColor(Context context) {
	TypedValue outValue = new TypedValue();
	if (context.getTheme()
	.resolveAttribute(R.attr.playbackProgressPrimaryColor, outValue, true)) {
	return context.getResources().getColor(outValue.resourceId);
	}
	return context.getResources().getColor(R.color.lb_playback_progress_color_no_theme);
	}

	@Override
	protected RowPresenter.ViewHolder createRowViewHolder(ViewGroup parent) {
	View v = LayoutInflater.from(parent.getContext())
	.inflate(R.layout.lb_playback_controls_row, parent, false);
	ViewHolder vh = new ViewHolder(v, mDescriptionPresenter);
	initRow(vh);
	return vh;
	}

	private void initRow(final ViewHolder vh) {
	MarginLayoutParams lp = (MarginLayoutParams) vh.mControlsDock.getLayoutParams();
	vh.mControlsDockMarginStart = lp.getMarginStart();
	vh.mControlsDockMarginEnd = lp.getMarginEnd();

	vh.mControlsVh = (PlaybackControlsPresenter.ViewHolder)
	mPlaybackControlsPresenter.onCreateViewHolder(vh.mControlsDock);
	mPlaybackControlsPresenter.setProgressColor(vh.mControlsVh, mProgressColorSet ?
	mProgressColor : getDefaultProgressColor(vh.mControlsDock.getContext()));
	mPlaybackControlsPresenter.setBackgroundColor(vh.mControlsVh, mBackgroundColorSet ?
	mBackgroundColor : getDefaultBackgroundColor(vh.view.getContext()));
	vh.mControlsDock.addView(vh.mControlsVh.view);

	vh.mSecondaryControlsVh =
	mSecondaryControlsPresenter.onCreateViewHolder(vh.mSecondaryControlsDock);
	if (!mSecondaryActionsHidden) {
	vh.mSecondaryControlsDock.addView(vh.mSecondaryControlsVh.view);
	}
	((PlaybackControlsRowView) vh.view).setOnUnhandledKeyListener(
	new PlaybackControlsRowView.OnUnhandledKeyListener() {
	@Override
	public boolean onUnhandledKey(KeyEvent event) {
	if (vh.getOnKeyListener() != null) {
	if (vh.getOnKeyListener().onKey(vh.view, event.getKeyCode(), event)) {
	return true;
	}
	}
	return false;
	}
	});
	}

	@Override
	protected void onBindRowViewHolder(RowPresenter.ViewHolder holder, Object item) {
	super.onBindRowViewHolder(holder, item);

	ViewHolder vh = (ViewHolder) holder;
	PlaybackControlsRow row = (PlaybackControlsRow) vh.getRow();

	mPlaybackControlsPresenter.enableSecondaryActions(mSecondaryActionsHidden);

	if (row.getItem() == null) {
	vh.mDescriptionDock.setVisibility(View.GONE);
	vh.mSpacer.setVisibility(View.GONE);
	} else {
	vh.mDescriptionDock.setVisibility(View.VISIBLE);
	if (vh.mDescriptionViewHolder != null) {
	mDescriptionPresenter.onBindViewHolder(vh.mDescriptionViewHolder, row.getItem());
	}
	vh.mSpacer.setVisibility(View.VISIBLE);
	}

	if (row.getImageDrawable() == null \|\| row.getItem() == null) {
	vh.mImageView.setImageDrawable(null);
	updateCardLayout(vh, LayoutParams.WRAP_CONTENT);
	} else {
	vh.mImageView.setImageDrawable(row.getImageDrawable());
	updateCardLayout(vh, vh.mImageView.getLayoutParams().height);
	}

	vh.mControlsBoundData.adapter = row.getPrimaryActionsAdapter();
	vh.mControlsBoundData.secondaryActionsAdapter = row.getSecondaryActionsAdapter();
	vh.mControlsBoundData.presenter = vh.getPresenter(true);
	vh.mControlsBoundData.mRowViewHolder = vh;
	mPlaybackControlsPresenter.onBindViewHolder(vh.mControlsVh, vh.mControlsBoundData);

	vh.mSecondaryBoundData.adapter = row.getSecondaryActionsAdapter();
	vh.mSecondaryBoundData.presenter = vh.getPresenter(false);
	vh.mSecondaryBoundData.mRowViewHolder = vh;
	mSecondaryControlsPresenter.onBindViewHolder(vh.mSecondaryControlsVh,
	vh.mSecondaryBoundData);

	mPlaybackControlsPresenter.setTotalTime(vh.mControlsVh, row.getTotalTime());
	mPlaybackControlsPresenter.setCurrentTime(vh.mControlsVh, row.getCurrentTime());
	mPlaybackControlsPresenter.setSecondaryProgress(vh.mControlsVh, row.getBufferedProgress());
	row.setOnPlaybackStateChangedListener(vh.mListener);
	}

	private void updateCardLayout(ViewHolder vh, int height) {
	LayoutParams lp = vh.mCardRightPanel.getLayoutParams();
	lp.height = height;
	vh.mCardRightPanel.setLayoutParams(lp);

	MarginLayoutParams mlp = (MarginLayoutParams) vh.mControlsDock.getLayoutParams();
	LinearLayout.LayoutParams llp =
	(LinearLayout.LayoutParams) vh.mDescriptionDock.getLayoutParams();

	if (height == LayoutParams.WRAP_CONTENT) {
	llp.height = LayoutParams.WRAP_CONTENT;
	mlp.setMarginStart(0);
	mlp.setMarginEnd(0);
	vh.mCard.setBackground(null);
	vh.setOutline(vh.mControlsDock);
	mPlaybackControlsPresenter.enableTimeMargins(vh.mControlsVh, true);
	} else {
	llp.height = 0;
	llp.weight = 1;
	mlp.setMarginStart(vh.mControlsDockMarginStart);
	mlp.setMarginEnd(vh.mControlsDockMarginEnd);
	vh.mCard.setBackgroundColor(mBackgroundColorSet ? mBackgroundColor :
	getDefaultBackgroundColor(vh.mCard.getContext()));
	vh.setOutline(vh.mCard);
	mPlaybackControlsPresenter.enableTimeMargins(vh.mControlsVh, false);
	}
	vh.mDescriptionDock.setLayoutParams(llp);
	vh.mControlsDock.setLayoutParams(mlp);
	}

	@Override
	protected void onUnbindRowViewHolder(RowPresenter.ViewHolder holder) {
	ViewHolder vh = (ViewHolder) holder;
	PlaybackControlsRow row = (PlaybackControlsRow) vh.getRow();

	if (vh.mDescriptionViewHolder != null) {
	mDescriptionPresenter.onUnbindViewHolder(vh.mDescriptionViewHolder);
	}
	mPlaybackControlsPresenter.onUnbindViewHolder(vh.mControlsVh);
	mSecondaryControlsPresenter.onUnbindViewHolder(vh.mSecondaryControlsVh);
	row.setOnPlaybackStateChangedListener(null);

	super.onUnbindRowViewHolder(holder);
	}

	@Override
	protected void onRowViewSelected(RowPresenter.ViewHolder vh, boolean selected) {
	super.onRowViewSelected(vh, selected);
	if (selected) {
	((ViewHolder) vh).dispatchItemSelection();
	}
	}

	@Override
	protected void onRowViewAttachedToWindow(RowPresenter.ViewHolder vh) {
	super.onRowViewAttachedToWindow(vh);
	if (mDescriptionPresenter != null) {
	mDescriptionPresenter.onViewAttachedToWindow(
	((ViewHolder) vh).mDescriptionViewHolder);
	}
	}

	@Override
	protected void onRowViewDetachedFromWindow(RowPresenter.ViewHolder vh) {
	super.onRowViewDetachedFromWindow(vh);
	if (mDescriptionPresenter != null) {
	mDescriptionPresenter.onViewDetachedFromWindow(
	((ViewHolder) vh).mDescriptionViewHolder);
	}
	}
	}