Merge "Fix PendingIntent hijacking for adb notifications." into rvc-dev

1 files changed, 90 insertions, 0 deletions

diff --git a/core/java/android/debug/AdbNotifications.java b/core/java/android/debug/AdbNotifications.java
new file mode 100644
index 000000000000..fed5f5f9a0bf
--- /dev/null
+++ b/core/java/android/debug/AdbNotifications.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2020 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 android.debug;
+
+import android.annotation.NonNull;
+import android.app.Notification;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.res.Resources;
+import android.os.UserHandle;
+import android.provider.Settings;
+
+import com.android.internal.notification.SystemNotificationChannels;
+
+/**
+ * Utility class for building adb notifications.
+ * @hide
+ */
+public final class AdbNotifications {
+    /**
+     * Notification channel for tv types.
+     */
+    private static final String ADB_NOTIFICATION_CHANNEL_ID_TV = "usbdevicemanager.adb.tv";
+
+    /**
+     * Builds a notification to show connected state for adb over a transport type.
+     * @param context the context
+     * @param transportType the adb transport type.
+     * @return a newly created Notification for the transport type.
+     */
+    public static Notification createNotification(@NonNull Context context,
+            byte transportType) {
+        Resources resources = context.getResources();
+        int titleId;
+        int messageId;
+
+        if (transportType == AdbTransportType.USB) {
+            titleId = com.android.internal.R.string.adb_active_notification_title;
+            messageId = com.android.internal.R.string.adb_active_notification_message;
+        } else if (transportType == AdbTransportType.WIFI) {
+            titleId = com.android.internal.R.string.adbwifi_active_notification_title;
+            messageId = com.android.internal.R.string.adbwifi_active_notification_message;
+        } else {
+            throw new IllegalArgumentException(
+                    "createNotification called with unknown transport type=" + transportType);
+        }
+
+        CharSequence title = resources.getText(titleId);
+        CharSequence message = resources.getText(messageId);
+
+        Intent intent = new Intent(Settings.ACTION_APPLICATION_DEVELOPMENT_SETTINGS);
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
+        intent.setPackage(context.getPackageManager().resolveActivity(intent,
+                PackageManager.MATCH_SYSTEM_ONLY).activityInfo.packageName);
+        PendingIntent pIntent = PendingIntent.getActivityAsUser(context, 0, intent,
+                PendingIntent.FLAG_IMMUTABLE, null, UserHandle.CURRENT);
+
+        return new Notification.Builder(context, SystemNotificationChannels.DEVELOPER_IMPORTANT)
+                .setSmallIcon(com.android.internal.R.drawable.stat_sys_adb)
+                .setWhen(0)
+                .setOngoing(true)
+                .setTicker(title)
+                .setDefaults(0)  // please be quiet
+                .setColor(context.getColor(
+                            com.android.internal.R.color.system_notification_accent_color))
+                .setContentTitle(title)
+                .setContentText(message)
+                .setContentIntent(pIntent)
+                .setVisibility(Notification.VISIBILITY_PUBLIC)
+                .extend(new Notification.TvExtender()
+                        .setChannelId(ADB_NOTIFICATION_CHANNEL_ID_TV))
+                .build();
+    }
+}