1 files changed, 119 insertions, 0 deletions
diff --git a/packages/SystemUI/src/com/android/systemui/usb/UsbAudioWarningDialogMessage.java b/packages/SystemUI/src/com/android/systemui/usb/UsbAudioWarningDialogMessage.java
new file mode 100644
index 000000000000..df845e53a36b
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/usb/UsbAudioWarningDialogMessage.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2022 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.systemui.usb;
+
+import static java.lang.annotation.RetentionPolicy.SOURCE;
+
+import android.annotation.IntDef;
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.util.Log;
+
+import com.android.systemui.R;
+
+import java.lang.annotation.Retention;
+
+/**
+ * USB Audio devices warning dialog messages help class.
+ */
+public class UsbAudioWarningDialogMessage {
+    private static final String TAG = "UsbAudioWarningDialogMessage";
+
+    @Retention(SOURCE)
+    @IntDef({TYPE_PERMISSION, TYPE_CONFIRM})
+    public @interface DialogType {}
+    public static final int TYPE_PERMISSION = 0;
+    public static final int TYPE_CONFIRM = 1;
+
+    private final int mDialogType;
+    private UsbDialogHelper mDialogHelper;
+
+    public UsbAudioWarningDialogMessage(Context context, Intent intent, @DialogType int type) {
+        mDialogType = type;
+        try {
+            mDialogHelper = new UsbDialogHelper(context, intent);
+        } catch (IllegalStateException e) {
+            Log.e(TAG, "Unable to initialize UsbDialogHelper!", e);
+        }
+    }
+
+    private boolean hasRecordPermission() {
+        return mDialogHelper.packageHasAudioRecordingPermission();
+    }
+
+    private boolean isUsbAudioDevice() {
+        return mDialogHelper.isUsbDevice() && (mDialogHelper.deviceHasAudioCapture()
+                || (mDialogHelper.deviceHasAudioPlayback()));
+    }
+
+    private boolean hasAudioPlayback() {
+        return mDialogHelper.deviceHasAudioPlayback();
+    }
+
+    private boolean hasAudioCapture() {
+        return mDialogHelper.deviceHasAudioCapture();
+    }
+
+    /**
+     * According to USB audio warning dialog matrix table to return warning message id.
+     * @return string resId for USB audio warning dialog message, otherwise {ID_NULL}.
+     * See usb_audio.md for USB audio Permission and Confirmation warning dialog resource
+     * string id matrix table.
+     */
+    public int getMessageId() {
+        if (!mDialogHelper.isUsbDevice()) {
+            return getUsbAccessoryPromptId();
+        }
+
+        if (hasRecordPermission() && isUsbAudioDevice()) {
+            // case# 1, 2, 3
+            return R.string.usb_audio_device_prompt;
+        } else if (!hasRecordPermission() && isUsbAudioDevice() && hasAudioPlayback()
+                && !hasAudioCapture()) {
+            // case# 5
+            return R.string.usb_audio_device_prompt;
+        }
+
+        if (!hasRecordPermission() && isUsbAudioDevice() && hasAudioCapture()) {
+            // case# 6,7
+            return R.string.usb_audio_device_prompt_warn;
+        }
+
+        Log.w(TAG, "Only shows title with empty content description!");
+        return Resources.ID_NULL;
+    }
+
+    /**
+     * Gets prompt dialog title.
+     * @return string id for USB prompt dialog title.
+     */
+    public int getPromptTitleId() {
+        return (mDialogType == TYPE_PERMISSION)
+                ? R.string.usb_audio_device_permission_prompt_title
+                : R.string.usb_audio_device_confirm_prompt_title;
+    }
+
+    /**
+     * Gets USB Accessory prompt message id.
+     * @return string id for USB Accessory prompt message.
+     */
+    public int getUsbAccessoryPromptId() {
+        return (mDialogType == TYPE_PERMISSION)
+                ? R.string.usb_accessory_permission_prompt : R.string.usb_accessory_confirm_prompt;
+    }
+}