MediaBrowser2: Add search related methods (d2776836) · Commits · e / os / android_frameworks_base

media/java/android/media/MediaBrowser2.java

+73 −40

Original line number	Diff line number	Diff line
		@@ -53,51 +53,68 @@ public class MediaBrowser2 extends MediaController2 {
		@Nullable Bundle rootExtra) { }

		/**
		* Called when the item has been returned by the library service for the previous
		* {@link MediaBrowser2#getItem} call.
		* <p>
		* Result can be null if there had been error.
		* Called when there's change in the parent's children.
		*
		* @param mediaId media id
		* @param result result. Can be {@code null}
		* @param parentId parent id that you've specified with {@link #subscribe(String, Bundle)}
		* @param extras extra bundle that you've specified with {@link #subscribe(String, Bundle)}
		*/
		public void onItemLoaded(@NonNull String mediaId, @Nullable MediaItem2 result) { }
		public void onChildrenChanged(@NonNull String parentId, @Nullable Bundle extras) { }

		/**
		* Called when the list of items has been returned by the library service for the previous
		* {@link MediaBrowser2#getChildren(String, int, int, Bundle)}.
		*
		* @param parentId parent id
		* @param page page number that you've specified
		* @param pageSize page size that you've specified
		* @param options optional bundle that you've specified
		* @param page page number that you've specified with
		* {@link #getChildren(String, int, int, Bundle)}
		* @param pageSize page size that you've specified with
		* {@link #getChildren(String, int, int, Bundle)}
		* @param extras extra bundle that you've specified with
		* {@link #getChildren(String, int, int, Bundle)}
		* @param result result. Can be {@code null}
		*/
		public void onChildrenLoaded(@NonNull String parentId, int page, int pageSize,
		@Nullable Bundle options, @Nullable List<MediaItem2> result) { }
		@Nullable Bundle extras, @Nullable List<MediaItem2> result) { }

		/**
		* Called when there's change in the parent's children.
		* Called when the item has been returned by the library service for the previous
		* {@link MediaBrowser2#getItem(String)} call.
		* <p>
		* Result can be null if there had been error.
		*
		* @param parentId parent id that you've specified with subscribe
		* @param options optional bundle that you've specified with subscribe
		* @param mediaId media id
		* @param result result. Can be {@code null}
		*/
		public void onChildrenChanged(@NonNull String parentId, @Nullable Bundle options) { }
		public void onItemLoaded(@NonNull String mediaId, @Nullable MediaItem2 result) { }

		/**
		* Called when there's change in the search result.
		*
		* @param query search query that you've specified with {@link #search(String, Bundle)}
		* @param extras extra bundle that you've specified with {@link #search(String, Bundle)}
		* @param totalItemCount The total item count for the search result
		*/
		public void onSearchResultChanged(@NonNull String query, @Nullable Bundle extras,
		int totalItemCount) { }

		/**
		* Called when the search result has been returned by the library service for the previous
		* {@link MediaBrowser2#search(String, int, int, Bundle)}.
		* {@link MediaBrowser2#getSearchResult(String, int, int, Bundle)}.
		* <p>
		* Result can be null if there had been error.
		*
		* @param query query string that you've specified
		* @param page page number that you've specified
		* @param pageSize page size that you've specified
		* @param options optional bundle that you've specified
		* @param result result. Can be {@code null}
		* @param query search query that you've specified with
		* {@link #getSearchResult(String, int, int, Bundle)}
		* @param page page number that you've specified with
		* {@link #getSearchResult(String, int, int, Bundle)}
		* @param pageSize page size that you've specified with
		* {@link #getSearchResult(String, int, int, Bundle)}
		* @param extras extra bundle that you've specified with
		* {@link #getSearchResult(String, int, int, Bundle)}
		* @param result result. Can be {@code null}.
		*/
		public void onSearchResult(@NonNull String query, int page, int pageSize,
		@Nullable Bundle options, @Nullable List<MediaItem2> result) { }
		public void onSearchResultLoaded(@NonNull String query, int page, int pageSize,
		@Nullable Bundle extras, @Nullable List<MediaItem2> result) { }
		}

		public MediaBrowser2(@NonNull Context context, @NonNull SessionToken2 token,
		@@ -131,10 +148,10 @@ public class MediaBrowser2 extends MediaController2 {
		* the actual contents for the parent.
		*
		* @param parentId parent id
		* @param options optional bundle
		* @param extras extra bundle
		*/
		public void subscribe(String parentId, @Nullable Bundle options) {
		mProvider.subscribe_impl(parentId, options);
		public void subscribe(String parentId, @Nullable Bundle extras) {
		mProvider.subscribe_impl(parentId, extras);
		}

		/**
		@@ -142,10 +159,23 @@ public class MediaBrowser2 extends MediaController2 {
		* {@link #subscribe(String, Bundle)}.
		*
		* @param parentId parent id
		* @param options optional bundle
		* @param extras extra bundle
		*/
		public void unsubscribe(String parentId, @Nullable Bundle options) {
		mProvider.unsubscribe_impl(parentId, options);
		public void unsubscribe(String parentId, @Nullable Bundle extras) {
		mProvider.unsubscribe_impl(parentId, extras);
		}

		/**
		* Get list of children under the parent. Result would be sent back asynchronously with the
		* {@link BrowserCallback#onChildrenLoaded(String, int, int, Bundle, List)}.
		*
		* @param parentId parent id for getting the children.
		* @param page page number to get the result. Starts from {@code 1}
		* @param pageSize page size. Should be greater or equal to {@code 1}
		* @param extras extra bundle
		*/
		public void getChildren(String parentId, int page, int pageSize, @Nullable Bundle extras) {
		mProvider.getChildren_impl(parentId, page, pageSize, extras);
		}

		/**
		@@ -159,26 +189,29 @@ public class MediaBrowser2 extends MediaController2 {
		}

		/**
		* Get list of children under the parent. Result would be sent back asynchronously with the
		* {@link BrowserCallback#onChildrenLoaded(String, int, int, Bundle, List)}.
		* Send a search request to the library service. When there's a change,
		* {@link BrowserCallback#onSearchResultChanged(String, Bundle, int)} will be called with the
		* bundle that you've specified. You should call
		* {@link #getSearchResult(String, int, int, Bundle)} to get the actual search result.
		*
		* @param parentId parent id for getting the children.
		* @param page page number to get the result. Starts from {@code 1}
		* @param pageSize page size. Should be greater or equal to {@code 1}
		* @param options optional bundle
		* @param query search query. Should not be an empty string.
		* @param extras extra bundle
		*/
		public void getChildren(String parentId, int page, int pageSize, @Nullable Bundle options) {
		mProvider.getChildren_impl(parentId, page, pageSize, options);
		public void search(@NonNull String query, @Nullable Bundle extras) {
		mProvider.search_impl(query, extras);
		}

		/**
		* Get the search result from lhe library service. Result would be sent back asynchronously with
		* the {@link BrowserCallback#onSearchResultLoaded(String, int, int, Bundle, List)}.
		*
		* @param query search query deliminated by string
		* @param query search query that you've specified with {@link #search(String, Bundle)}
		* @param page page number to get search result. Starts from {@code 1}
		* @param pageSize page size. Should be greater or equal to {@code 1}
		* @param extras extra bundle
		*/
		public void search(String query, int page, int pageSize, Bundle extras) {
		mProvider.search_impl(query, page, pageSize, extras);
		public void getSearchResult(@NonNull String query, int page, int pageSize,
		@Nullable Bundle extras) {
		mProvider.getSearchResult_impl(query, page, pageSize, extras);
		}
		}

media/java/android/media/MediaItem2.java

+6 −7

Original line number	Diff line number	Diff line
		@@ -123,27 +123,26 @@ public class MediaItem2 {
		}

		/**
		* Set a metadata. Metadata shouldn't be {@code null} and its id should be match
		* with this instance's id.
		* Set a metadata. If the metadata is not null, its id should be matched with this instance's
		* media id.
		*
		* @param metadata metadata to update
		*/
		public void setMetadata(@NonNull MediaMetadata2 metadata) {
		public void setMetadata(@Nullable MediaMetadata2 metadata) {
		mProvider.setMetadata_impl(metadata);
		}

		/**
		* Returns the metadata of the media.
		*/
		public @NonNull MediaMetadata2 getMetadata() {
		public @Nullable MediaMetadata2 getMetadata() {
		return mProvider.getMetadata_impl();
		}

		/**
		* Returns the media id in the {@link MediaMetadata2} for this item.
		* @see MediaMetadata2#METADATA_KEY_MEDIA_ID
		* Returns the media id for this item.
		*/
		public @Nullable String getMediaId() {
		public @NonNull String getMediaId() {
		return mProvider.getMediaId_impl();
		}

media/java/android/media/MediaLibraryService2.java

+45 −29

Original line number	Diff line number	Diff line
		@@ -82,22 +82,22 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {
		*
		* @param controller controller to notify
		* @param parentId
		* @param options
		* @param extras
		*/
		public void notifyChildrenChanged(@NonNull ControllerInfo controller,
		@NonNull String parentId, @NonNull Bundle options) {
		mProvider.notifyChildrenChanged_impl(controller, parentId, options);
		@NonNull String parentId, @NonNull Bundle extras) {
		mProvider.notifyChildrenChanged_impl(controller, parentId, extras);
		}

		/**
		* Notify subscribed controller about change in a parent's children.
		*
		* @param parentId parent id
		* @param options optional bundle
		* @param extras extra bundle
		*/
		// This is for the backward compatibility.
		public void notifyChildrenChanged(@NonNull String parentId, @Nullable Bundle options) {
		mProvider.notifyChildrenChanged_impl(parentId, options);
		public void notifyChildrenChanged(@NonNull String parentId, @Nullable Bundle extras) {
		mProvider.notifyChildrenChanged_impl(parentId, extras);
		}
		}

		@@ -133,21 +133,6 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {
		return null;
		}

		/**
		* Called to get the search result. Return search result here for the browser.
		* <p>
		* Return an empty list for no search result, and return {@code null} for the error.
		*
		* @param query The search query sent from the media browser. It contains keywords separated
		* by space.
		* @param extras The bundle of service-specific arguments sent from the media browser.
		* @return search result. {@code null} for error.
		*/
		public @Nullable List<MediaItem2> onSearch(@NonNull ControllerInfo controllerInfo,
		@NonNull String query, @Nullable Bundle extras) {
		return null;
		}

		/**
		* Called to get an item. Return result here for the browser.
		* <p>
		@@ -169,11 +154,11 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {
		* @param parentId parent id to get children
		* @param page number of page
		* @param pageSize size of the page
		* @param options optional bundle
		* @param extras extra bundle
		* @return list of children. Can be {@code null}.
		*/
		public @Nullable List<MediaItem2> onLoadChildren(@NonNull ControllerInfo controller,
		@NonNull String parentId, int page, int pageSize, @Nullable Bundle options) {
		@NonNull String parentId, int page, int pageSize, @Nullable Bundle extras) {
		return null;
		}

		@@ -182,10 +167,10 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {
		*
		* @param controller controller
		* @param parentId parent id
		* @param options optional bundle
		* @param extras extra bundle
		*/
		public void onSubscribed(@NonNull ControllerInfo controller,
		String parentId, @Nullable Bundle options) {
		public void onSubscribed(@NonNull ControllerInfo controller, String parentId,
		@Nullable Bundle extras) {
		}

		/**
		@@ -193,10 +178,41 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {
		*
		* @param controller controller
		* @param parentId parent id
		* @param options optional bundle
		* @param extras extra bundle
		*/
		public void onUnsubscribed(@NonNull ControllerInfo controller,
		String parentId, @Nullable Bundle options) {
		public void onUnsubscribed(@NonNull ControllerInfo controller, String parentId,
		@Nullable Bundle extras) {
		}

		/**
		* Called when a controller requests search.
		*
		* @param query The search query sent from the media browser. It contains keywords separated
		* by space.
		* @param extras The bundle of service-specific arguments sent from the media browser.
		*/
		public void onSearch(@NonNull ControllerInfo controllerInfo, @NonNull String query,
		@Nullable Bundle extras) {

		}

		/**
		* Called to get the search result. Return search result here for the browser which has
		* requested search previously.
		* <p>
		* Return an empty list for no search result, and return {@code null} for the error.
		*
		* @param controllerInfo Information of the controller requesting the search result.
		* @param query The search query which was previously sent through
		* {@link #onSearch(ControllerInfo, String, Bundle)} call.
		* @param page page number. Starts from {@code 1}.
		* @param pageSize page size. Should be greater or equal to {@code 1}.
		* @param extras The bundle of service-specific arguments sent from the media browser.
		* @return search result. {@code null} for error.
		*/
		public @Nullable List<MediaItem2> onLoadSearchResult(@NonNull ControllerInfo controllerInfo,
		@NonNull String query, int page, int pageSize, @Nullable Bundle extras) {
		return null;
		}
		}

media/java/android/media/update/MediaBrowser2Provider.java

+3 −3

Original line number	Diff line number	Diff line
		@@ -16,7 +16,6 @@

		package android.media.update;

		import android.annotation.SystemApi;
		import android.os.Bundle;

		/**
		@@ -29,6 +28,7 @@ public interface MediaBrowser2Provider extends MediaController2Provider {
		void unsubscribe_impl(String parentId, Bundle options);

		void getItem_impl(String mediaId);
		void getChildren_impl(String parentId, int page, int pageSize, Bundle options);
		void search_impl(String query, int page, int pageSize, Bundle extras);
		void getChildren_impl(String parentId, int page, int pageSize, Bundle extras);
		void search_impl(String query, Bundle options);
		void getSearchResult_impl(String query, int page, int pageSize, Bundle extras);
		}