Add logic to classify input events into InputDeviceUsageSources
Bug: 275726706
Test: atest inputflinger_tests
Change-Id: I3edfe3b16d705498beb3453dff83cd2a84a9bc9d
diff --git a/services/inputflinger/include/KeyCodeClassifications.h b/services/inputflinger/include/KeyCodeClassifications.h
new file mode 100644
index 0000000..a09b02e
--- /dev/null
+++ b/services/inputflinger/include/KeyCodeClassifications.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright 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.
+ */
+
+#pragma once
+
+#include <android/input.h>
+#include <set>
+
+namespace android {
+
+/** The set of all Android key codes that are required for a device to be classified as a D-pad. */
+static const std::set<int32_t> DPAD_REQUIRED_KEYCODES = {
+ AKEYCODE_DPAD_UP, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_LEFT,
+ AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_CENTER,
+};
+
+/** The set of all Android key codes that correspond to D-pad keys. */
+static const std::set<int32_t> DPAD_ALL_KEYCODES = {
+ AKEYCODE_DPAD_UP, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_LEFT,
+ AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_CENTER, AKEYCODE_DPAD_UP_LEFT,
+ AKEYCODE_DPAD_UP_RIGHT, AKEYCODE_DPAD_DOWN_LEFT, AKEYCODE_DPAD_DOWN_RIGHT,
+};
+
+/** The set of all Android key codes that correspond to gamepad buttons. */
+static const std::set<int32_t> GAMEPAD_KEYCODES = {
+ AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C, //
+ AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z, //
+ AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1, //
+ AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2, //
+ AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR, //
+ AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE, //
+};
+
+/** The set of all Android key codes that correspond to buttons (bit-switches) on a stylus. */
+static const std::set<int32_t> STYLUS_BUTTON_KEYCODES = {
+ AKEYCODE_STYLUS_BUTTON_PRIMARY,
+ AKEYCODE_STYLUS_BUTTON_SECONDARY,
+ AKEYCODE_STYLUS_BUTTON_TERTIARY,
+ AKEYCODE_STYLUS_BUTTON_TAIL,
+};
+
+} // namespace android