CastDetailsView: Migrate functionalities to chooser content manager (fdf991d9) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/app/MediaRouteChooserContentManager.java

+208 −4

Original line number	Diff line number	Diff line
		@@ -17,21 +17,56 @@
		package com.android.internal.app;

		import android.content.Context;
		import android.media.MediaRouter;
		import android.text.TextUtils;
		import android.view.Gravity;
		import android.view.LayoutInflater;
		import android.view.View;
		import android.view.ViewGroup;
		import android.widget.AdapterView;
		import android.widget.ArrayAdapter;
		import android.widget.LinearLayout;
		import android.widget.ListView;
		import android.widget.TextView;

		import com.android.internal.R;

		import java.util.Comparator;

		public class MediaRouteChooserContentManager {
		/**
		* A delegate interface that a MediaRouteChooser UI should implement. It allows the content
		* manager to inform the UI of any UI changes that need to be made in response to content
		* updates.
		*/
		public interface Delegate {
		/**
		* Dismiss the UI to transition to a different workflow.
		*/
		void dismissView();

		/**
		* Returns true if the progress bar should be shown when the list view is empty.
		*/
		boolean showProgressBarWhenEmpty();
		}

		Context mContext;
		Delegate mDelegate;

		private final boolean mShowProgressBarWhenEmpty;
		private final MediaRouter mRouter;
		private final MediaRouterCallback mCallback;

		public MediaRouteChooserContentManager(Context context, boolean showProgressBarWhenEmpty) {
		private int mRouteTypes;
		private RouteAdapter mAdapter;
		private boolean mAttachedToWindow;

		public MediaRouteChooserContentManager(Context context, Delegate delegate) {
		mContext = context;
		mShowProgressBarWhenEmpty = showProgressBarWhenEmpty;
		mDelegate = delegate;

		mRouter = context.getSystemService(MediaRouter.class);
		mCallback = new MediaRouterCallback();
		}

		/**
		@@ -40,10 +75,13 @@ public class MediaRouteChooserContentManager {
		*/
		public void bindViews(View containerView) {
		View emptyView = containerView.findViewById(android.R.id.empty);
		mAdapter = new RouteAdapter(mContext);
		ListView listView = containerView.findViewById(R.id.media_route_list);
		listView.setAdapter(mAdapter);
		listView.setOnItemClickListener(mAdapter);
		listView.setEmptyView(emptyView);

		if (!mShowProgressBarWhenEmpty) {
		if (!mDelegate.showProgressBarWhenEmpty()) {
		containerView.findViewById(R.id.media_route_progress_bar).setVisibility(View.GONE);

		// Center the empty view when the progress bar is not shown.
		@@ -53,4 +91,170 @@ public class MediaRouteChooserContentManager {
		emptyView.setLayoutParams(params);
		}
		}

		/**
		* Called when this UI is attached to a window..
		*/
		public void onAttachedToWindow() {
		mAttachedToWindow = true;
		mRouter.addCallback(mRouteTypes, mCallback, MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN);
		refreshRoutes();
		}

		/**
		* Called when this UI is detached from a window..
		*/
		public void onDetachedFromWindow() {
		mAttachedToWindow = false;
		mRouter.removeCallback(mCallback);
		}

		/**
		* Gets the media route types for filtering the routes that the user can
		* select using the media route chooser dialog.
		*
		* @return The route types.
		*/
		public int getRouteTypes() {
		return mRouteTypes;
		}

		/**
		* Sets the types of routes that will be shown in the media route chooser dialog
		* launched by this button.
		*
		* @param types The route types to match.
		*/
		public void setRouteTypes(int types) {
		if (mRouteTypes != types) {
		mRouteTypes = types;

		if (mAttachedToWindow) {
		mRouter.removeCallback(mCallback);
		mRouter.addCallback(types, mCallback,
		MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN);
		}

		refreshRoutes();
		}
		}

		/**
		* Refreshes the list of routes that are shown in the chooser dialog.
		*/
		public void refreshRoutes() {
		if (mAttachedToWindow) {
		mAdapter.update();
		}
		}

		/**
		* Returns true if the route should be included in the list.
		* <p>
		* The default implementation returns true for enabled non-default routes that
		* match the route types. Subclasses can override this method to filter routes
		* differently.
		* </p>
		*
		* @param route The route to consider, never null.
		* @return True if the route should be included in the chooser dialog.
		*/
		public boolean onFilterRoute(MediaRouter.RouteInfo route) {
		return !route.isDefault() && route.isEnabled() && route.matchesTypes(mRouteTypes);
		}

		private final class RouteAdapter extends ArrayAdapter<MediaRouter.RouteInfo>
		implements AdapterView.OnItemClickListener {
		private final LayoutInflater mInflater;

		RouteAdapter(Context context) {
		super(context, 0);
		mInflater = LayoutInflater.from(context);
		}

		public void update() {
		clear();
		final int count = mRouter.getRouteCount();
		for (int i = 0; i < count; i++) {
		MediaRouter.RouteInfo route = mRouter.getRouteAt(i);
		if (onFilterRoute(route)) {
		add(route);
		}
		}
		sort(RouteComparator.sInstance);
		notifyDataSetChanged();
		}

		@Override
		public boolean areAllItemsEnabled() {
		return false;
		}

		@Override
		public boolean isEnabled(int position) {
		return getItem(position).isEnabled();
		}

		@Override
		public View getView(int position, View convertView, ViewGroup parent) {
		View view = convertView;
		if (view == null) {
		view = mInflater.inflate(R.layout.media_route_list_item, parent, false);
		}
		MediaRouter.RouteInfo route = getItem(position);
		TextView text1 = view.findViewById(android.R.id.text1);
		TextView text2 = view.findViewById(android.R.id.text2);
		text1.setText(route.getName());
		CharSequence description = route.getDescription();
		if (TextUtils.isEmpty(description)) {
		text2.setVisibility(View.GONE);
		text2.setText("");
		} else {
		text2.setVisibility(View.VISIBLE);
		text2.setText(description);
		}
		view.setEnabled(route.isEnabled());
		return view;
		}

		@Override
		public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
		MediaRouter.RouteInfo route = getItem(position);
		if (route.isEnabled()) {
		route.select();
		mDelegate.dismissView();
		}
		}
		}

		private static final class RouteComparator implements Comparator<MediaRouter.RouteInfo> {
		public static final RouteComparator sInstance = new RouteComparator();

		@Override
		public int compare(MediaRouter.RouteInfo lhs, MediaRouter.RouteInfo rhs) {
		return lhs.getName().toString().compareTo(rhs.getName().toString());
		}
		}

		private final class MediaRouterCallback extends MediaRouter.SimpleCallback {
		@Override
		public void onRouteAdded(MediaRouter router, MediaRouter.RouteInfo info) {
		refreshRoutes();
		}

		@Override
		public void onRouteRemoved(MediaRouter router, MediaRouter.RouteInfo info) {
		refreshRoutes();
		}

		@Override
		public void onRouteChanged(MediaRouter router, MediaRouter.RouteInfo info) {
		refreshRoutes();
		}

		@Override
		public void onRouteSelected(MediaRouter router, int type, MediaRouter.RouteInfo info) {
		mDelegate.dismissView();
		}
		}
		}

core/java/com/android/internal/app/MediaRouteChooserDialog.java

+17 −170

Original line number	Diff line number	Diff line
		@@ -19,23 +19,14 @@ package com.android.internal.app;
		import android.app.AlertDialog;
		import android.content.Context;
		import android.media.MediaRouter;
		import android.media.MediaRouter.RouteInfo;
		import android.os.Bundle;
		import android.text.TextUtils;
		import android.util.TypedValue;
		import android.view.LayoutInflater;
		import android.view.View;
		import android.view.ViewGroup;
		import android.widget.AdapterView;
		import android.widget.ArrayAdapter;
		import android.widget.Button;
		import android.widget.ListView;
		import android.widget.TextView;

		import com.android.internal.R;

		import java.util.Comparator;

		/**
		* This class implements the route chooser dialog for {@link MediaRouter}.
		* <p>
		@@ -47,15 +38,11 @@ import java.util.Comparator;
		*
		* TODO: Move this back into the API, as in the support library media router.
		*/
		public class MediaRouteChooserDialog extends AlertDialog {
		private final MediaRouter mRouter;
		private final MediaRouterCallback mCallback;

		private int mRouteTypes;
		public class MediaRouteChooserDialog extends AlertDialog implements
		MediaRouteChooserContentManager.Delegate {
		private View.OnClickListener mExtendedSettingsClickListener;
		private RouteAdapter mAdapter;
		private Button mExtendedSettingsButton;
		private boolean mAttachedToWindow;
		private final boolean mShowProgressBarWhenEmpty;

		private final MediaRouteChooserContentManager mContentManager;

		@@ -66,19 +53,8 @@ public class MediaRouteChooserDialog extends AlertDialog {
		public MediaRouteChooserDialog(Context context, int theme, boolean showProgressBarWhenEmpty) {
		super(context, theme);

		mRouter = (MediaRouter) context.getSystemService(Context.MEDIA_ROUTER_SERVICE);
		mCallback = new MediaRouterCallback();
		mContentManager = new MediaRouteChooserContentManager(context, showProgressBarWhenEmpty);
		}

		/**
		* Gets the media route types for filtering the routes that the user can
		* select using the media route chooser dialog.
		*
		* @return The route types.
		*/
		public int getRouteTypes() {
		return mRouteTypes;
		mShowProgressBarWhenEmpty = showProgressBarWhenEmpty;
		mContentManager = new MediaRouteChooserContentManager(context, this);
		}

		/**
		@@ -88,17 +64,7 @@ public class MediaRouteChooserDialog extends AlertDialog {
		* @param types The route types to match.
		*/
		public void setRouteTypes(int types) {
		if (mRouteTypes != types) {
		mRouteTypes = types;

		if (mAttachedToWindow) {
		mRouter.removeCallback(mCallback);
		mRouter.addCallback(types, mCallback,
		MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN);
		}

		refreshRoutes();
		}
		mContentManager.setRouteTypes(types);
		}

		public void setExtendedSettingsClickListener(View.OnClickListener listener) {
		@@ -108,21 +74,6 @@ public class MediaRouteChooserDialog extends AlertDialog {
		}
		}

		/**
		* Returns true if the route should be included in the list.
		* <p>
		* The default implementation returns true for enabled non-default routes that
		* match the route types. Subclasses can override this method to filter routes
		* differently.
		* </p>
		*
		* @param route The route to consider, never null.
		* @return True if the route should be included in the chooser dialog.
		*/
		public boolean onFilterRoute(MediaRouter.RouteInfo route) {
		return !route.isDefault() && route.isEnabled() && route.matchesTypes(mRouteTypes);
		}

		@Override
		protected void onCreate(Bundle savedInstanceState) {
		// Note: setView must be called before super.onCreate().
		@@ -130,7 +81,7 @@ public class MediaRouteChooserDialog extends AlertDialog {
		R.layout.media_route_chooser_dialog, null);
		setView(containerView);

		setTitle(mRouteTypes == MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY
		setTitle(mContentManager.getRouteTypes() == MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY
		? R.string.media_route_chooser_title_for_remote_display
		: R.string.media_route_chooser_title);

		@@ -139,11 +90,6 @@ public class MediaRouteChooserDialog extends AlertDialog {

		super.onCreate(savedInstanceState);

		mAdapter = new RouteAdapter(getContext());
		ListView listView = findViewById(R.id.media_route_list);
		listView.setAdapter(mAdapter);
		listView.setOnItemClickListener(mAdapter);

		mExtendedSettingsButton = findViewById(R.id.media_route_extended_settings_button);
		updateExtendedSettingsButton();

		@@ -161,127 +107,28 @@ public class MediaRouteChooserDialog extends AlertDialog {
		@Override
		public void onAttachedToWindow() {
		super.onAttachedToWindow();

		mAttachedToWindow = true;
		mRouter.addCallback(mRouteTypes, mCallback, MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN);
		refreshRoutes();
		mContentManager.onAttachedToWindow();
		}

		@Override
		public void onDetachedFromWindow() {
		mAttachedToWindow = false;
		mRouter.removeCallback(mCallback);

		mContentManager.onDetachedFromWindow();
		super.onDetachedFromWindow();
		}

		/**
		* Refreshes the list of routes that are shown in the chooser dialog.
		*/
		public void refreshRoutes() {
		if (mAttachedToWindow) {
		mAdapter.update();
		}
		}

		static boolean isLightTheme(Context context) {
		TypedValue value = new TypedValue();
		return context.getTheme().resolveAttribute(R.attr.isLightTheme, value, true)
		&& value.data != 0;
		}

		private final class RouteAdapter extends ArrayAdapter<MediaRouter.RouteInfo>
		implements ListView.OnItemClickListener {
		private final LayoutInflater mInflater;

		public RouteAdapter(Context context) {
		super(context, 0);
		mInflater = LayoutInflater.from(context);
		}

		public void update() {
		clear();
		final int count = mRouter.getRouteCount();
		for (int i = 0; i < count; i++) {
		MediaRouter.RouteInfo route = mRouter.getRouteAt(i);
		if (onFilterRoute(route)) {
		add(route);
		}
		}
		sort(RouteComparator.sInstance);
		notifyDataSetChanged();
		}

		@Override
		public boolean areAllItemsEnabled() {
		return false;
		}

		@Override
		public boolean isEnabled(int position) {
		return getItem(position).isEnabled();
		}

		@Override
		public View getView(int position, View convertView, ViewGroup parent) {
		View view = convertView;
		if (view == null) {
		view = mInflater.inflate(R.layout.media_route_list_item, parent, false);
		}
		MediaRouter.RouteInfo route = getItem(position);
		TextView text1 = view.findViewById(android.R.id.text1);
		TextView text2 = view.findViewById(android.R.id.text2);
		text1.setText(route.getName());
		CharSequence description = route.getDescription();
		if (TextUtils.isEmpty(description)) {
		text2.setVisibility(View.GONE);
		text2.setText("");
		} else {
		text2.setVisibility(View.VISIBLE);
		text2.setText(description);
		}
		view.setEnabled(route.isEnabled());
		return view;
		}

		@Override
		public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
		MediaRouter.RouteInfo route = getItem(position);
		if (route.isEnabled()) {
		route.select();
		public void dismissView() {
		dismiss();
		}
		}
		}

		private final class MediaRouterCallback extends MediaRouter.SimpleCallback {
		@Override
		public void onRouteAdded(MediaRouter router, MediaRouter.RouteInfo info) {
		refreshRoutes();
		public boolean showProgressBarWhenEmpty() {
		return mShowProgressBarWhenEmpty;
		}

		@Override
		public void onRouteRemoved(MediaRouter router, MediaRouter.RouteInfo info) {
		refreshRoutes();
		}

		@Override
		public void onRouteChanged(MediaRouter router, MediaRouter.RouteInfo info) {
		refreshRoutes();
		}

		@Override
		public void onRouteSelected(MediaRouter router, int type, RouteInfo info) {
		dismiss();
		}
		}

		private static final class RouteComparator implements Comparator<MediaRouter.RouteInfo> {
		public static final RouteComparator sInstance = new RouteComparator();

		@Override
		public int compare(MediaRouter.RouteInfo lhs, MediaRouter.RouteInfo rhs) {
		return lhs.getName().toString().compareTo(rhs.getName().toString());
		}
		static boolean isLightTheme(Context context) {
		TypedValue value = new TypedValue();
		return context.getTheme().resolveAttribute(R.attr.isLightTheme, value, true)
		&& value.data != 0;
		}
		}