1 files changed, 112 insertions, 0 deletions
diff --git a/docklib-util/src/com/android/car/dockutil/events/DockEventSenderHelper.java b/docklib-util/src/com/android/car/dockutil/events/DockEventSenderHelper.java
new file mode 100644
index 00000000..4f8b52f6
--- /dev/null
+++ b/docklib-util/src/com/android/car/dockutil/events/DockEventSenderHelper.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2023 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.car.dockutil.events;
+
+import android.app.ActivityManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.view.Display;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
+
+import com.android.car.dockutil.R;
+
+/**
+ * Helper used to send Dock Events.
+ */
+public class DockEventSenderHelper {
+    public static final String EXTRA_COMPONENT = "EXTRA_COMPONENT";
+
+    private final Context mContext;
+    private final boolean mIsDockEnabled;
+
+    public DockEventSenderHelper(Context context) {
+        mContext = context;
+        mIsDockEnabled = mContext.getResources().getBoolean(R.bool.config_enableDock);
+    }
+
+    /**
+     * Used to send launch event to the dock. Generally used when an app is launched.
+     */
+    public void sendLaunchEvent(@NonNull ActivityManager.RunningTaskInfo taskInfo) {
+        sendEventBroadcast(DockEvent.LAUNCH, taskInfo);
+    }
+
+    /**
+     * @see #sendPinEvent(ComponentName)
+     */
+    public void sendPinEvent(@NonNull ActivityManager.RunningTaskInfo taskInfo) {
+        sendEventBroadcast(DockEvent.PIN, taskInfo);
+    }
+
+    /**
+     * Used to send pin event to the dock. Generally used when an app should be pinned to the dock.
+     */
+    public void sendPinEvent(@NonNull ComponentName componentName) {
+        sendEventBroadcast(DockEvent.PIN, componentName);
+    }
+
+    /**
+     * @see #sendUnpinEvent(ComponentName)
+     */
+    public void sendUnpinEvent(@NonNull ActivityManager.RunningTaskInfo taskInfo) {
+        sendEventBroadcast(DockEvent.UNPIN, taskInfo);
+    }
+
+    /**
+     * Used to send unpin event to the dock. Generally used when an app should be unpinned from the
+     * dock.
+     */
+    public void sendUnpinEvent(@NonNull ComponentName componentName) {
+        sendEventBroadcast(DockEvent.UNPIN, componentName);
+    }
+
+    @VisibleForTesting
+    void sendEventBroadcast(@NonNull DockEvent event,
+                            @NonNull ActivityManager.RunningTaskInfo taskInfo) {
+        if (taskInfo.getDisplayId() != Display.DEFAULT_DISPLAY) {
+            return;
+        }
+        ComponentName component = getComponentName(taskInfo);
+        if (component != null) {
+            sendEventBroadcast(event, component);
+        }
+    }
+
+    private void sendEventBroadcast(@NonNull DockEvent event, @NonNull ComponentName component) {
+        if (!mIsDockEnabled) {
+            return;
+        }
+
+        Intent intent = new Intent();
+        intent.setAction(event.toString());
+        intent.putExtra(EXTRA_COMPONENT, component);
+        mContext.sendBroadcast(intent, DockPermission.DOCK_RECEIVER_PERMISSION.toString());
+    }
+
+    @Nullable
+    private ComponentName getComponentName(@NonNull ActivityManager.RunningTaskInfo taskInfo) {
+        if (taskInfo.baseActivity == null && taskInfo.baseIntent.getComponent() == null) {
+            return null;
+        }
+        return taskInfo.baseActivity != null ? taskInfo.baseActivity
+                : taskInfo.baseIntent.getComponent();
+    }
+}