1 /* 2 * Copyright 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <aidl/com/android/server/inputflinger/IInputFlingerRust.h> 20 #include <utils/Mutex.h> 21 #include "InputFilterCallbacks.h" 22 #include "InputFilterPolicyInterface.h" 23 #include "InputListener.h" 24 #include "NotifyArgs.h" 25 26 namespace android { 27 28 /** 29 * The C++ component of InputFilter designed as a wrapper around the rust implementation. 30 */ 31 class InputFilterInterface : public InputListenerInterface { 32 public: 33 /** 34 * This method may be called on any thread (usually by the input manager on a binder thread). 35 */ 36 virtual void dump(std::string& dump) = 0; 37 virtual void setAccessibilityBounceKeysThreshold(nsecs_t threshold) = 0; 38 virtual void setAccessibilitySlowKeysThreshold(nsecs_t threshold) = 0; 39 virtual void setAccessibilityStickyKeysEnabled(bool enabled) = 0; 40 }; 41 42 class InputFilter : public InputFilterInterface { 43 public: 44 using IInputFlingerRust = aidl::com::android::server::inputflinger::IInputFlingerRust; 45 using IInputFilter = aidl::com::android::server::inputflinger::IInputFilter; 46 using IInputFilterCallbacks = 47 aidl::com::android::server::inputflinger::IInputFilter::IInputFilterCallbacks; 48 using InputFilterConfiguration = 49 aidl::com::android::server::inputflinger::InputFilterConfiguration; 50 using AidlDeviceInfo = aidl::com::android::server::inputflinger::DeviceInfo; 51 52 explicit InputFilter(InputListenerInterface& listener, IInputFlingerRust& rust, 53 InputFilterPolicyInterface& policy); 54 ~InputFilter() override = default; 55 void notifyInputDevicesChanged(const NotifyInputDevicesChangedArgs& args) override; 56 void notifyKey(const NotifyKeyArgs& args) override; 57 void notifyMotion(const NotifyMotionArgs& args) override; 58 void notifySwitch(const NotifySwitchArgs& args) override; 59 void notifySensor(const NotifySensorArgs& args) override; 60 void notifyVibratorState(const NotifyVibratorStateArgs& args) override; 61 void notifyDeviceReset(const NotifyDeviceResetArgs& args) override; 62 void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs& args) override; 63 void setAccessibilityBounceKeysThreshold(nsecs_t threshold) override; 64 void setAccessibilitySlowKeysThreshold(nsecs_t threshold) override; 65 void setAccessibilityStickyKeysEnabled(bool enabled) override; 66 void dump(std::string& dump) override; 67 68 private: 69 InputListenerInterface& mNextListener; 70 std::shared_ptr<InputFilterCallbacks> mCallbacks; 71 InputFilterPolicyInterface& mPolicy; 72 std::shared_ptr<IInputFilter> mInputFilterRust; 73 // Keep track of connected peripherals, so that if filters are enabled later, we can pass that 74 // info to the filters 75 std::vector<AidlDeviceInfo> mDeviceInfos; 76 mutable std::mutex mLock; 77 InputFilterConfiguration mConfig GUARDED_BY(mLock); 78 79 bool isFilterEnabled(); 80 void notifyConfigurationChangedLocked() REQUIRES(mLock); 81 }; 82 83 } // namespace android 84