| /* |
| * Copyright (C) 2019 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 "CursorButtonAccumulator.h" |
| |
| #include "EventHub.h" |
| #include "InputDevice.h" |
| |
| namespace android { |
| |
| CursorButtonAccumulator::CursorButtonAccumulator() { |
| clearButtons(); |
| } |
| |
| void CursorButtonAccumulator::reset(InputDevice* device) { |
| mBtnLeft = device->isKeyPressed(BTN_LEFT); |
| mBtnRight = device->isKeyPressed(BTN_RIGHT); |
| mBtnMiddle = device->isKeyPressed(BTN_MIDDLE); |
| mBtnBack = device->isKeyPressed(BTN_BACK); |
| mBtnSide = device->isKeyPressed(BTN_SIDE); |
| mBtnForward = device->isKeyPressed(BTN_FORWARD); |
| mBtnExtra = device->isKeyPressed(BTN_EXTRA); |
| mBtnTask = device->isKeyPressed(BTN_TASK); |
| } |
| |
| void CursorButtonAccumulator::clearButtons() { |
| mBtnLeft = 0; |
| mBtnRight = 0; |
| mBtnMiddle = 0; |
| mBtnBack = 0; |
| mBtnSide = 0; |
| mBtnForward = 0; |
| mBtnExtra = 0; |
| mBtnTask = 0; |
| } |
| |
| void CursorButtonAccumulator::process(const RawEvent* rawEvent) { |
| if (rawEvent->type == EV_KEY) { |
| switch (rawEvent->code) { |
| case BTN_LEFT: |
| mBtnLeft = rawEvent->value; |
| break; |
| case BTN_RIGHT: |
| mBtnRight = rawEvent->value; |
| break; |
| case BTN_MIDDLE: |
| mBtnMiddle = rawEvent->value; |
| break; |
| case BTN_BACK: |
| mBtnBack = rawEvent->value; |
| break; |
| case BTN_SIDE: |
| mBtnSide = rawEvent->value; |
| break; |
| case BTN_FORWARD: |
| mBtnForward = rawEvent->value; |
| break; |
| case BTN_EXTRA: |
| mBtnExtra = rawEvent->value; |
| break; |
| case BTN_TASK: |
| mBtnTask = rawEvent->value; |
| break; |
| } |
| } |
| } |
| |
| uint32_t CursorButtonAccumulator::getButtonState() const { |
| uint32_t result = 0; |
| if (mBtnLeft) { |
| result |= AMOTION_EVENT_BUTTON_PRIMARY; |
| } |
| if (mBtnRight) { |
| result |= AMOTION_EVENT_BUTTON_SECONDARY; |
| } |
| if (mBtnMiddle) { |
| result |= AMOTION_EVENT_BUTTON_TERTIARY; |
| } |
| if (mBtnBack || mBtnSide) { |
| result |= AMOTION_EVENT_BUTTON_BACK; |
| } |
| if (mBtnForward || mBtnExtra) { |
| result |= AMOTION_EVENT_BUTTON_FORWARD; |
| } |
| return result; |
| } |
| |
| } // namespace android |