Merge "Adds View screenshot tests for TaskThumbnailView." into main

2024-10-10 11:38:19 +00:00
parent f567652348 67d0d59caf
commit 71fb897f39
8 changed files with 311 additions and 134 deletions
@@ -34,6 +34,7 @@ import com.android.quickstep.task.thumbnail.TaskThumbnailViewData
 import com.android.quickstep.task.viewmodel.TaskContainerData
 import com.android.quickstep.task.viewmodel.TaskOverlayViewModel
 import com.android.quickstep.task.viewmodel.TaskThumbnailViewModel
+import com.android.quickstep.task.viewmodel.TaskThumbnailViewModelImpl
 import com.android.quickstep.task.viewmodel.TaskViewData
 import com.android.quickstep.task.viewmodel.TaskViewModel
 import com.android.quickstep.views.TaskViewType
@@ -180,7 +181,7 @@ class RecentsDependencies private constructor(private val appContext: Context) {
                TaskContainerData::class.java -> TaskContainerData()
                TaskThumbnailViewData::class.java -> TaskThumbnailViewData()
                TaskThumbnailViewModel::class.java ->
-                    TaskThumbnailViewModel(
+                    TaskThumbnailViewModelImpl(
                        recentsViewData = inject(),
                        taskViewData = inject(scopeId, extras),
                        taskContainerData = inject(scopeId),
@@ -10,144 +10,40 @@
 * 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 goveryning permissions and
+ * See the License for the specific language governing permissions and
 * limitations under the License.
 */

 package com.android.quickstep.task.viewmodel

-import android.annotation.ColorInt
-import android.app.ActivityTaskManager.INVALID_TASK_ID
 import android.graphics.Matrix
-import android.util.Log
-import androidx.core.graphics.ColorUtils
-import com.android.quickstep.recents.data.RecentTasksRepository
-import com.android.quickstep.recents.usecase.GetThumbnailPositionUseCase
-import com.android.quickstep.recents.usecase.ThumbnailPositionState
-import com.android.quickstep.recents.viewmodel.RecentsViewData
-import com.android.quickstep.task.thumbnail.SplashAlphaUseCase
 import com.android.quickstep.task.thumbnail.TaskThumbnailUiState
-import com.android.quickstep.task.thumbnail.TaskThumbnailUiState.BackgroundOnly
-import com.android.quickstep.task.thumbnail.TaskThumbnailUiState.LiveTile
-import com.android.quickstep.task.thumbnail.TaskThumbnailUiState.Snapshot
-import com.android.quickstep.task.thumbnail.TaskThumbnailUiState.SnapshotSplash
-import com.android.quickstep.task.thumbnail.TaskThumbnailUiState.Uninitialized
-import com.android.systemui.shared.recents.model.Task
-import kotlin.math.max
-import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.asStateFlow
-import kotlinx.coroutines.flow.combine
-import kotlinx.coroutines.flow.distinctUntilChanged
-import kotlinx.coroutines.flow.flatMapLatest
-import kotlinx.coroutines.flow.flowOf
-import kotlinx.coroutines.flow.map
-import kotlinx.coroutines.runBlocking
-
-@OptIn(ExperimentalCoroutinesApi::class)
-class TaskThumbnailViewModel(
-    recentsViewData: RecentsViewData,
-    taskViewData: TaskViewData,
-    taskContainerData: TaskContainerData,
-    private val tasksRepository: RecentTasksRepository,
-    private val getThumbnailPositionUseCase: GetThumbnailPositionUseCase,
-    private val splashAlphaUseCase: SplashAlphaUseCase,
-) {
-    private val task = MutableStateFlow<Flow<Task?>>(flowOf(null))
-    private val splashProgress = MutableStateFlow(flowOf(0f))
-    private var taskId: Int = INVALID_TASK_ID
+import kotlinx.coroutines.flow.StateFlow

+/** ViewModel for representing TaskThumbnails */
+interface TaskThumbnailViewModel {
    /**
     * Progress for changes in corner radius. progress: 0 = overview corner radius; 1 = fullscreen
     * corner radius.
     */
-    val cornerRadiusProgress =
-        if (taskViewData.isOutlineFormedByThumbnailView) recentsViewData.fullscreenProgress
-        else MutableStateFlow(1f).asStateFlow()
+    val cornerRadiusProgress: StateFlow<Float>

-    val inheritedScale =
-        combine(recentsViewData.scale, taskViewData.scale) { recentsScale, taskScale ->
-            recentsScale * taskScale
-        }
+    /** The accumulated View.scale value for parent Views up to and including RecentsView */
+    val inheritedScale: Flow<Float>

-    val dimProgress: Flow<Float> =
-        combine(taskContainerData.taskMenuOpenProgress, recentsViewData.tintAmount) {
-            taskMenuOpenProgress,
-            tintAmount ->
-            max(taskMenuOpenProgress * MAX_SCRIM_ALPHA, tintAmount)
-        }
-    val splashAlpha = splashProgress.flatMapLatest { it }
+    /** Provides the level of dimming that the View should have */
+    val dimProgress: Flow<Float>

-    private val isLiveTile =
-        combine(
-                task.flatMapLatest { it }.map { it?.key?.id }.distinctUntilChanged(),
-                recentsViewData.runningTaskIds,
-                recentsViewData.runningTaskShowScreenshot,
-            ) { taskId, runningTaskIds, runningTaskShowScreenshot ->
-                runningTaskIds.contains(taskId) && !runningTaskShowScreenshot
-            }
-            .distinctUntilChanged()
+    /** Provides the alpha of the splash icon */
+    val splashAlpha: Flow<Float>

-    val uiState: Flow<TaskThumbnailUiState> =
-        combine(task.flatMapLatest { it }, isLiveTile) { taskVal, isRunning ->
-                // TODO(b/369339561) This log is firing a lot. Reduce emissions from TasksRepository
-                //  then re-enable this log.
-                //                Log.d(
-                //                    TAG,
-                //                    "Received task and / or live tile update. taskVal: $taskVal"
-                //                    + " isRunning: $isRunning.",
-                //                )
-                when {
-                    taskVal == null -> Uninitialized
-                    isRunning -> LiveTile
-                    isBackgroundOnly(taskVal) ->
-                        BackgroundOnly(taskVal.colorBackground.removeAlpha())
-                    isSnapshotSplashState(taskVal) ->
-                        SnapshotSplash(createSnapshotState(taskVal), taskVal.icon)
-                    else -> Uninitialized
-                }
-            }
-            .distinctUntilChanged()
+    /** Provides the UiState by which the task thumbnail can be represented */
+    val uiState: Flow<TaskThumbnailUiState>

-    fun bind(taskId: Int) {
-        Log.d(TAG, "bind taskId: $taskId")
-        this.taskId = taskId
-        task.value = tasksRepository.getTaskDataById(taskId)
-        splashProgress.value = splashAlphaUseCase.execute(taskId)
-    }
+    /** Attaches this ViewModel to a specific task id for it to provide data from. */
+    fun bind(taskId: Int)

-    fun getThumbnailPositionState(width: Int, height: Int, isRtl: Boolean): Matrix {
-        return runBlocking {
-            when (
-                val thumbnailPositionState =
-                    getThumbnailPositionUseCase.run(taskId, width, height, isRtl)
-            ) {
-                is ThumbnailPositionState.MatrixScaling -> thumbnailPositionState.matrix
-                is ThumbnailPositionState.MissingThumbnail -> Matrix.IDENTITY_MATRIX
-            }
-        }
-    }
-
-    private fun isBackgroundOnly(task: Task): Boolean = task.isLocked || task.thumbnail == null
-
-    private fun isSnapshotSplashState(task: Task): Boolean {
-        val thumbnailPresent = task.thumbnail?.thumbnail != null
-        val taskLocked = task.isLocked
-
-        return thumbnailPresent && !taskLocked
-    }
-
-    private fun createSnapshotState(task: Task): Snapshot {
-        val thumbnailData = task.thumbnail
-        val bitmap = thumbnailData?.thumbnail!!
-        return Snapshot(bitmap, thumbnailData.rotation, task.colorBackground.removeAlpha())
-    }
-
-    @ColorInt private fun Int.removeAlpha(): Int = ColorUtils.setAlphaComponent(this, 0xff)
-
-    private companion object {
-        const val MAX_SCRIM_ALPHA = 0.4f
-        const val TAG = "TaskThumbnailViewModel"
-    }
+    /** Returns a Matrix which can be applied to the snapshot */
+    fun getThumbnailPositionState(width: Int, height: Int, isRtl: Boolean): Matrix
 }
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2024 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 goveryning permissions and
+ * limitations under the License.
+ */
+
+package com.android.quickstep.task.viewmodel
+
+import android.annotation.ColorInt
+import android.app.ActivityTaskManager.INVALID_TASK_ID
+import android.graphics.Matrix
+import android.util.Log
+import androidx.core.graphics.ColorUtils
+import com.android.quickstep.recents.data.RecentTasksRepository
+import com.android.quickstep.recents.usecase.GetThumbnailPositionUseCase
+import com.android.quickstep.recents.usecase.ThumbnailPositionState
+import com.android.quickstep.recents.viewmodel.RecentsViewData
+import com.android.quickstep.task.thumbnail.SplashAlphaUseCase
+import com.android.quickstep.task.thumbnail.TaskThumbnailUiState
+import com.android.quickstep.task.thumbnail.TaskThumbnailUiState.BackgroundOnly
+import com.android.quickstep.task.thumbnail.TaskThumbnailUiState.LiveTile
+import com.android.quickstep.task.thumbnail.TaskThumbnailUiState.Snapshot
+import com.android.quickstep.task.thumbnail.TaskThumbnailUiState.SnapshotSplash
+import com.android.quickstep.task.thumbnail.TaskThumbnailUiState.Uninitialized
+import com.android.systemui.shared.recents.model.Task
+import kotlin.math.max
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.runBlocking
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class TaskThumbnailViewModelImpl(
+    recentsViewData: RecentsViewData,
+    taskViewData: TaskViewData,
+    taskContainerData: TaskContainerData,
+    private val tasksRepository: RecentTasksRepository,
+    private val getThumbnailPositionUseCase: GetThumbnailPositionUseCase,
+    private val splashAlphaUseCase: SplashAlphaUseCase,
+) : TaskThumbnailViewModel {
+    private val task = MutableStateFlow<Flow<Task?>>(flowOf(null))
+    private val splashProgress = MutableStateFlow(flowOf(0f))
+    private var taskId: Int = INVALID_TASK_ID
+
+    override val cornerRadiusProgress =
+        if (taskViewData.isOutlineFormedByThumbnailView) recentsViewData.fullscreenProgress
+        else MutableStateFlow(1f).asStateFlow()
+
+    override val inheritedScale =
+        combine(recentsViewData.scale, taskViewData.scale) { recentsScale, taskScale ->
+            recentsScale * taskScale
+        }
+
+    override val dimProgress: Flow<Float> =
+        combine(taskContainerData.taskMenuOpenProgress, recentsViewData.tintAmount) {
+            taskMenuOpenProgress,
+            tintAmount ->
+            max(taskMenuOpenProgress * MAX_SCRIM_ALPHA, tintAmount)
+        }
+    override val splashAlpha = splashProgress.flatMapLatest { it }
+
+    private val isLiveTile =
+        combine(
+                task.flatMapLatest { it }.map { it?.key?.id }.distinctUntilChanged(),
+                recentsViewData.runningTaskIds,
+                recentsViewData.runningTaskShowScreenshot,
+            ) { taskId, runningTaskIds, runningTaskShowScreenshot ->
+                runningTaskIds.contains(taskId) && !runningTaskShowScreenshot
+            }
+            .distinctUntilChanged()
+
+    override val uiState: Flow<TaskThumbnailUiState> =
+        combine(task.flatMapLatest { it }, isLiveTile) { taskVal, isRunning ->
+                // TODO(b/369339561) This log is firing a lot. Reduce emissions from TasksRepository
+                //  then re-enable this log.
+                //                Log.d(
+                //                    TAG,
+                //                    "Received task and / or live tile update. taskVal: $taskVal"
+                //                    + " isRunning: $isRunning.",
+                //                )
+                when {
+                    taskVal == null -> Uninitialized
+                    isRunning -> LiveTile
+                    isBackgroundOnly(taskVal) ->
+                        BackgroundOnly(taskVal.colorBackground.removeAlpha())
+                    isSnapshotSplashState(taskVal) ->
+                        SnapshotSplash(createSnapshotState(taskVal), taskVal.icon)
+                    else -> Uninitialized
+                }
+            }
+            .distinctUntilChanged()
+
+    override fun bind(taskId: Int) {
+        Log.d(TAG, "bind taskId: $taskId")
+        this.taskId = taskId
+        task.value = tasksRepository.getTaskDataById(taskId)
+        splashProgress.value = splashAlphaUseCase.execute(taskId)
+    }
+
+    override fun getThumbnailPositionState(width: Int, height: Int, isRtl: Boolean): Matrix {
+        return runBlocking {
+            when (
+                val thumbnailPositionState =
+                    getThumbnailPositionUseCase.run(taskId, width, height, isRtl)
+            ) {
+                is ThumbnailPositionState.MatrixScaling -> thumbnailPositionState.matrix
+                is ThumbnailPositionState.MissingThumbnail -> Matrix.IDENTITY_MATRIX
+            }
+        }
+    }
+
+    private fun isBackgroundOnly(task: Task): Boolean = task.isLocked || task.thumbnail == null
+
+    private fun isSnapshotSplashState(task: Task): Boolean {
+        val thumbnailPresent = task.thumbnail?.thumbnail != null
+        val taskLocked = task.isLocked
+
+        return thumbnailPresent && !taskLocked
+    }
+
+    private fun createSnapshotState(task: Task): Snapshot {
+        val thumbnailData = task.thumbnail
+        val bitmap = thumbnailData?.thumbnail!!
+        return Snapshot(bitmap, thumbnailData.rotation, task.colorBackground.removeAlpha())
+    }
+
+    @ColorInt private fun Int.removeAlpha(): Int = ColorUtils.setAlphaComponent(this, 0xff)
+
+    private companion object {
+        const val MAX_SCRIM_ALPHA = 0.4f
+        const val TAG = "TaskThumbnailViewModel"
+    }
+}