1 /* <lambda>null2 * Copyright (C) 2023 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.avatarpicker.ui 18 19 import android.content.Context 20 import android.content.Intent 21 import android.net.Uri 22 import com.android.avatarpicker.R 23 import com.android.avatarpicker.domain.getFileUri 24 import com.android.avatarpicker.domain.getTempPNG 25 import com.android.avatarpicker.domain.toIntent 26 import com.android.avatarpicker.ui.details.items.ResourceViewModel 27 import com.android.avatarpicker.ui.details.items.SelectableType 28 import com.android.avatarpicker.ui.details.items.UiState 29 import com.android.avatarpicker.ui.details.items.UriTypedItem 30 import java.io.File 31 import kotlinx.coroutines.flow.MutableStateFlow 32 import kotlinx.coroutines.flow.asStateFlow 33 import androidx.compose.runtime.getValue 34 35 class ResultHandlerImpl(context: Context) : ResultHandler { 36 private val resultFile: File 37 private val contentUri: Uri 38 private val _uiState: MutableStateFlow<UiState> = MutableStateFlow(UiState.None()) 39 override val uiState = _uiState.asStateFlow() 40 41 override fun <T : SelectableType> onSelect(result: T) { 42 getSelected()?.unselect() 43 result.select() 44 _uiState.value = UiState.Success(result) 45 } 46 47 override fun getSelected() = (uiState.value as? UiState.Success<*>)?.result 48 49 override fun onLoading() { 50 _uiState.value = UiState.Loading() 51 } 52 53 override fun onError(exception: Exception) { 54 _uiState.value = UiState.Error(exception) 55 } 56 57 override fun unselect() { 58 _uiState.value = UiState.None() 59 } 60 61 init { 62 context.apply { 63 resultFile = getTempPNG(getString(R.string.result_file_name)) 64 contentUri = getFileUri(resultFile) 65 val packages = resources.getStringArray(R.array.grant_read_uri_permissions_packages) 66 packages.forEach { packageName -> 67 grantUriPermission( 68 packageName, contentUri, Intent.FLAG_GRANT_READ_URI_PERMISSION 69 ) 70 } 71 } 72 } 73 74 override fun getContentUri() = contentUri 75 override fun getTempFile() = resultFile 76 77 override fun toResultIntent(context: Context): Intent { 78 getSelected().let { result -> 79 return when (result) { 80 is ResourceViewModel -> result.toIntent(context) 81 is UriTypedItem -> result.toIntent() 82 else -> Intent() 83 } 84 } 85 } 86 } 87