1 /* 2 * Copyright 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.photopicker.features.selectionbar 18 19 import androidx.compose.runtime.Composable 20 import androidx.compose.ui.Modifier 21 import com.android.photopicker.core.configuration.PhotopickerConfiguration 22 import com.android.photopicker.core.configuration.PhotopickerRuntimeEnv 23 import com.android.photopicker.core.events.Event 24 import com.android.photopicker.core.events.RegisteredEventClass 25 import com.android.photopicker.core.features.FeatureManager 26 import com.android.photopicker.core.features.FeatureRegistration 27 import com.android.photopicker.core.features.FeatureToken 28 import com.android.photopicker.core.features.Location 29 import com.android.photopicker.core.features.LocationParams 30 import com.android.photopicker.core.features.PhotopickerUiFeature 31 import com.android.photopicker.core.features.PrefetchResultKey 32 import com.android.photopicker.core.features.Priority 33 import com.android.photopicker.core.navigation.Route 34 import kotlinx.coroutines.Deferred 35 36 /** Feature class for the Photopicker's selection bar. */ 37 class SelectionBarFeature : PhotopickerUiFeature { 38 39 companion object Registration : FeatureRegistration { 40 override val TAG: String = "PhotopickerSelectionBarFeature" 41 42 // The selection bar is only shown when in multi-select mode. For single select, 43 // the activity ends as soon as the first Media is selected, so this feature is 44 // disabled to prevent it's animation for playing when the selection changes. isEnablednull45 override fun isEnabled( 46 config: PhotopickerConfiguration, 47 deferredPrefetchResultsMap: Map<PrefetchResultKey, Deferred<Any?>>, 48 ): Boolean { 49 if (config.runtimeEnv == PhotopickerRuntimeEnv.ACTIVITY) { 50 return config.selectionLimit > 1 51 } 52 // This is static enablement of feature. It will be hidden in collapsed 53 // mode for embedded at runtime. 54 return config.runtimeEnv == PhotopickerRuntimeEnv.EMBEDDED 55 } 56 buildnull57 override fun build(featureManager: FeatureManager) = SelectionBarFeature() 58 } 59 60 override fun registerLocations(): List<Pair<Location, Int>> { 61 return listOf(Pair(Location.SELECTION_BAR, Priority.HIGH.priority)) 62 } 63 registerNavigationRoutesnull64 override fun registerNavigationRoutes(): Set<Route> { 65 return emptySet() 66 } 67 68 override val token = FeatureToken.SELECTION_BAR.token 69 70 /** Events consumed by the selection bar */ 71 override val eventsConsumed = setOf<RegisteredEventClass>() 72 73 /** Events produced by the selection bar */ 74 override val eventsProduced = 75 setOf<RegisteredEventClass>(Event.LogPhotopickerUIEvent::class.java) 76 77 @Composable composenull78 override fun compose(location: Location, modifier: Modifier, params: LocationParams) { 79 when (location) { 80 Location.SELECTION_BAR -> SelectionBar(modifier, params) 81 else -> {} 82 } 83 } 84 } 85