InputTracer: Trace motion and key events
Bug: 210460522
Test: manual with perfetto
Change-Id: I4bcac0b8bba5132d0e68815923ab8f89b2bede84
diff --git a/services/inputflinger/dispatcher/trace/AndroidInputEventProtoConverter.cpp b/services/inputflinger/dispatcher/trace/AndroidInputEventProtoConverter.cpp
new file mode 100644
index 0000000..a15ad80
--- /dev/null
+++ b/services/inputflinger/dispatcher/trace/AndroidInputEventProtoConverter.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2024 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.
+ */
+
+#include "AndroidInputEventProtoConverter.h"
+
+#include <android-base/logging.h>
+#include <perfetto/trace/android/android_input_event.pbzero.h>
+
+namespace android::inputdispatcher::trace {
+
+void AndroidInputEventProtoConverter::toProtoMotionEvent(const TracedMotionEvent& event,
+ proto::AndroidMotionEvent& outProto) {
+ outProto.set_event_id(event.id);
+ outProto.set_event_time_nanos(event.eventTime);
+ outProto.set_down_time_nanos(event.downTime);
+ outProto.set_source(event.source);
+ outProto.set_action(event.action);
+ outProto.set_device_id(event.deviceId);
+ outProto.set_display_id(event.displayId);
+ outProto.set_classification(static_cast<int32_t>(event.classification));
+ outProto.set_cursor_position_x(event.xCursorPosition);
+ outProto.set_cursor_position_y(event.yCursorPosition);
+ outProto.set_flags(event.flags);
+ outProto.set_policy_flags(event.policyFlags);
+
+ for (uint32_t i = 0; i < event.pointerProperties.size(); i++) {
+ auto* pointer = outProto.add_pointer();
+
+ const auto& props = event.pointerProperties[i];
+ pointer->set_pointer_id(props.id);
+ pointer->set_tool_type(static_cast<int32_t>(props.toolType));
+
+ const auto& coords = event.pointerCoords[i];
+ auto bits = BitSet64(coords.bits);
+ for (int32_t axisIndex = 0; !bits.isEmpty(); axisIndex++) {
+ const auto axis = bits.clearFirstMarkedBit();
+ auto axisEntry = pointer->add_axis_value();
+ axisEntry->set_axis(axis);
+ axisEntry->set_value(coords.values[axisIndex]);
+ }
+ }
+}
+
+void AndroidInputEventProtoConverter::toProtoKeyEvent(const TracedKeyEvent& event,
+ proto::AndroidKeyEvent& outProto) {
+ outProto.set_event_id(event.id);
+ outProto.set_event_time_nanos(event.eventTime);
+ outProto.set_down_time_nanos(event.downTime);
+ outProto.set_source(event.source);
+ outProto.set_action(event.action);
+ outProto.set_device_id(event.deviceId);
+ outProto.set_display_id(event.displayId);
+ outProto.set_key_code(event.keyCode);
+ outProto.set_scan_code(event.scanCode);
+ outProto.set_meta_state(event.metaState);
+ outProto.set_repeat_count(event.repeatCount);
+ outProto.set_flags(event.flags);
+ outProto.set_policy_flags(event.policyFlags);
+}
+
+} // namespace android::inputdispatcher::trace