1 files changed, 80 insertions, 0 deletions
diff --git a/go/quickstep/src/com/android/quickstep/TaskActionController.java b/go/quickstep/src/com/android/quickstep/TaskActionController.java
new file mode 100644
index 000000000..b2d495bcb
--- /dev/null
+++ b/go/quickstep/src/com/android/quickstep/TaskActionController.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2019 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.quickstep;
+
+import android.app.ActivityOptions;
+import android.view.View;
+
+import com.android.quickstep.views.TaskItemView;
+import com.android.systemui.shared.recents.model.Task;
+import com.android.systemui.shared.system.ActivityManagerWrapper;
+
+/**
+ * Controller that provides logic for task-related commands on recents and updating the model/view
+ * as appropriate.
+ */
+public final class TaskActionController {
+
+    private final TaskListLoader mLoader;
+    private final TaskAdapter mAdapter;
+
+    public TaskActionController(TaskListLoader loader, TaskAdapter adapter) {
+        mLoader = loader;
+        mAdapter = adapter;
+    }
+
+    /**
+     * Launch the task associated with the task holder, animating into the app.
+     *
+     * @param viewHolder the task view holder to launch
+     */
+    public void launchTask(TaskHolder viewHolder) {
+        TaskItemView itemView = (TaskItemView) (viewHolder.itemView);
+        View v = itemView.getThumbnailView();
+        int left = 0;
+        int top = 0;
+        int width = v.getMeasuredWidth();
+        int height = v.getMeasuredHeight();
+
+        ActivityOptions opts = ActivityOptions.makeClipRevealAnimation(v, left, top, width, height);
+        ActivityManagerWrapper.getInstance().startActivityFromRecentsAsync(viewHolder.getTask().key,
+                opts, null /* resultCallback */, null /* resultCallbackHandler */);
+    }
+
+    /**
+     * Removes the task holder and the task, updating the model and the view.
+     *
+     * @param viewHolder the task view holder to remove
+     */
+    public void removeTask(TaskHolder viewHolder) {
+        int position = viewHolder.getAdapterPosition();
+        Task task = viewHolder.getTask();
+        ActivityManagerWrapper.getInstance().removeTask(task.key.id);
+        mLoader.removeTask(task);
+        mAdapter.notifyItemRemoved(position);
+    }
+
+    /**
+     * Clears all tasks and updates the model and view.
+     */
+    public void clearAllTasks() {
+        // TODO: Play an animation so transition is more natural.
+        int count = mAdapter.getItemCount();
+        ActivityManagerWrapper.getInstance().removeAllRecentTasks();
+        mLoader.clearAllTasks();
+        mAdapter.notifyItemRangeRemoved(0 /* positionStart */, count);
+    }
+}