Add media model and interface for media repository.

/*

 * Copyright (C) 2025 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.systemui.media.remedia.data.model

import android.app.PendingIntent

import android.media.session.MediaController

import com.android.internal.logging.InstanceId

import com.android.systemui.common.shared.model.Icon

import com.android.systemui.media.controls.shared.model.MediaButton

import com.android.systemui.media.controls.shared.model.MediaDeviceData

import com.android.systemui.media.controls.shared.model.MediaNotificationAction

/** Data model representing a media data. */

data class MediaDataModel(

    /** Instance ID for logging purposes */

    val instanceId: InstanceId,

    /** The UID of the app, used for logging. */

    val appUid: Int,

    /** Package name of the app that's posting the media, used for logging. */

    val packageName: String,

    val appName: String,

    val appIcon: Icon,

    val background: Icon?,

    val title: String,

    val subtitle: String,

    /** List of generic action buttons for the media player, based on notification actions */

    val notificationActions: List<MediaNotificationAction>,

    /**

     * Semantic actions buttons, based on the PlaybackState of the media session. If present, these

     * actions will be preferred in the UI over [notificationActions]

     */

    val playbackStateActions: MediaButton,

    /** Where the media is playing: phone, headphones, ear buds, remote session. */

    val outputDevice: MediaDeviceData,

    /** Action to perform when the media player is tapped. */

    val clickIntent: PendingIntent?,

    val controller: MediaController,

    val canBeDismissed: Boolean,

    /**

     * An active player represents a current media session that has not timed out or been swiped

     * away by the user.

     */

    val isActive: Boolean,

    /**

     * Indicates that this player is a resumption player (ie. It only shows a play actions which

     * will start the app and start playing).

     */

    val isResume: Boolean,

    /** Action that should be performed to restart a non active session. */

    val resumeAction: Runnable?,

    val isExplicit: Boolean,

)

/*

 * Copyright (C) 2025 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.systemui.media.remedia.data.repository

import com.android.internal.logging.InstanceId

import com.android.systemui.media.controls.shared.model.MediaData

import com.android.systemui.media.remedia.data.model.MediaDataModel

import kotlinx.coroutines.flow.StateFlow

interface MediaRepository {

    /** Current sorted media sessions. */

    val currentMedia: StateFlow<List<MediaDataModel>>

    fun addMediaEntry(key: String, data: MediaData)

    /**

     * Removes the media entry corresponding to the given [key].

     *

     * @return media data if an entry is actually removed, `null` otherwise.

     */

    fun removeMediaEntry(key: String): MediaData?

    /** @return whether the added media data already exists. */

    fun addCurrentUserMediaEntry(data: MediaData): Boolean

    /**

     * Removes current user media entry given the corresponding [key].

     *

     * @return media data if an entry is actually removed, `null` otherwise.

     */

    fun removeCurrentUserMediaEntry(key: InstanceId): MediaData?

    fun clearCurrentUserMedia()

    /** Seek to [to], in milliseconds on the media session with the given [sessionKey]. */

    fun seek(sessionKey: InstanceId, to: Long)

}