Add bounce keys input filter (953e6a44) · Commits · e / os / android_frameworks_native

services/inputflinger/InputFilter.cpp

+24 −8

Original line number	Diff line number	Diff line
		@@ -22,16 +22,19 @@ namespace android {

		using aidl::com::android::server::inputflinger::IInputFilter;
		using AidlKeyEvent = aidl::com::android::server::inputflinger::KeyEvent;
		using aidl::com::android::server::inputflinger::KeyEventAction;
		using AidlDeviceInfo = aidl::com::android::server::inputflinger::DeviceInfo;
		using aidl::android::hardware::input::common::Source;

		AidlKeyEvent notifyKeyArgsToKeyEvent(const NotifyKeyArgs& args) {
		AidlKeyEvent event;
		event.id = args.id;
		event.eventTime = args.eventTime;
		event.deviceId = args.deviceId;
		event.source = args.source;
		event.source = static_cast<Source>(args.source);
		event.displayId = args.displayId;
		event.policyFlags = args.policyFlags;
		event.action = args.action;
		event.action = static_cast<KeyEventAction>(args.action);
		event.flags = args.flags;
		event.keyCode = args.keyCode;
		event.scanCode = args.scanCode;
		@@ -42,9 +45,10 @@ AidlKeyEvent notifyKeyArgsToKeyEvent(const NotifyKeyArgs& args) {
		}

		NotifyKeyArgs keyEventToNotifyKeyArgs(const AidlKeyEvent& event) {
		return NotifyKeyArgs(event.id, event.eventTime, event.readTime, event.deviceId, event.source,
		event.displayId, event.policyFlags, event.action, event.flags,
		event.keyCode, event.scanCode, event.metaState, event.downTime);
		return NotifyKeyArgs(event.id, event.eventTime, event.readTime, event.deviceId,
		static_cast<uint32_t>(event.source), event.displayId, event.policyFlags,
		static_cast<int32_t>(event.action), event.flags, event.keyCode,
		event.scanCode, event.metaState, event.downTime);
		}

		namespace {
		@@ -71,11 +75,14 @@ InputFilter::InputFilter(InputListenerInterface& listener, IInputFlingerRust& ru

		void InputFilter::notifyInputDevicesChanged(const NotifyInputDevicesChangedArgs& args) {
		if (isFilterEnabled()) {
		std::vector<int32_t> deviceIds;
		std::vector<AidlDeviceInfo> deviceInfos;
		for (auto info : args.inputDeviceInfos) {
		deviceIds.push_back(info.getId());
		AidlDeviceInfo aidlInfo;
		aidlInfo.deviceId = info.getId();
		aidlInfo.external = info.isExternal();
		deviceInfos.push_back(aidlInfo);
		}
		LOG_ALWAYS_FATAL_IF(!mInputFilterRust->notifyInputDevicesChanged(deviceIds).isOk());
		LOG_ALWAYS_FATAL_IF(!mInputFilterRust->notifyInputDevicesChanged(deviceInfos).isOk());
		}
		mNextListener.notify(args);
		}
		@@ -122,6 +129,15 @@ bool InputFilter::isFilterEnabled() {
		return result;
		}

		void InputFilter::setAccessibilityBounceKeysThreshold(nsecs_t threshold) {
		std::scoped_lock _l(mLock);

		if (mConfig.bounceKeysThresholdNs != threshold) {
		mConfig.bounceKeysThresholdNs = threshold;
		LOG_ALWAYS_FATAL_IF(!mInputFilterRust->notifyConfigurationChanged(mConfig).isOk());
		}
		}

		void InputFilter::dump(std::string& dump) {
		dump += "InputFilter:\n";
		}

services/inputflinger/InputFilter.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		#pragma once

		#include <aidl/com/android/server/inputflinger/IInputFlingerRust.h>
		#include <utils/Mutex.h>
		#include "InputListener.h"
		#include "NotifyArgs.h"

		@@ -31,6 +32,7 @@ public:
		* This method may be called on any thread (usually by the input manager on a binder thread).
		*/
		virtual void dump(std::string& dump) = 0;
		virtual void setAccessibilityBounceKeysThreshold(nsecs_t threshold) = 0;
		};

		class InputFilter : public InputFilterInterface {
		@@ -39,6 +41,8 @@ public:
		using IInputFilter = aidl::com::android::server::inputflinger::IInputFilter;
		using IInputFilterCallbacks =
		aidl::com::android::server::inputflinger::IInputFilter::IInputFilterCallbacks;
		using InputFilterConfiguration =
		aidl::com::android::server::inputflinger::InputFilterConfiguration;

		explicit InputFilter(InputListenerInterface& listener, IInputFlingerRust&);
		~InputFilter() override = default;
		@@ -51,12 +55,15 @@ public:
		void notifyVibratorState(const NotifyVibratorStateArgs& args) override;
		void notifyDeviceReset(const NotifyDeviceResetArgs& args) override;
		void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs& args) override;
		void setAccessibilityBounceKeysThreshold(nsecs_t threshold) override;
		void dump(std::string& dump) override;

		private:
		InputListenerInterface& mNextListener;
		std::shared_ptr<IInputFilterCallbacks> mCallbacks;
		std::shared_ptr<IInputFilter> mInputFilterRust;
		mutable std::mutex mLock;
		InputFilterConfiguration mConfig GUARDED_BY(mLock);

		bool isFilterEnabled();
		};

services/inputflinger/InputManager.cpp

+4 −0

Original line number	Diff line number	Diff line
		@@ -224,6 +224,10 @@ InputDispatcherInterface& InputManager::getDispatcher() {
		return *mDispatcher;
		}

		InputFilterInterface& InputManager::getInputFilter() {
		return *mInputFilter;
		}

		void InputManager::monitor() {
		mReader->monitor();
		mBlocker->monitor();

services/inputflinger/InputManager.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -102,6 +102,9 @@ public:
		/* Gets the input dispatcher. */
		virtual InputDispatcherInterface& getDispatcher() = 0;

		/* Gets the input filter */
		virtual InputFilterInterface& getInputFilter() = 0;

		/* Check that the input stages have not deadlocked. */
		virtual void monitor() = 0;

		@@ -126,6 +129,7 @@ public:
		InputProcessorInterface& getProcessor() override;
		InputDeviceMetricsCollectorInterface& getMetricsCollector() override;
		InputDispatcherInterface& getDispatcher() override;
		InputFilterInterface& getInputFilter() override;
		void monitor() override;
		void dump(std::string& dump) override;

services/inputflinger/aidl/Android.bp

+3 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,9 @@ aidl_interface {
		srcs: ["*/.aidl"],
		unstable: true,
		host_supported: true,
		imports: [
		"android.hardware.input.common-V1",
		],
		backend: {
		cpp: {
		enabled: false,