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author | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2017-01-13 12:49:13 +0100 |
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committer | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2017-01-13 12:49:13 +0100 |
commit | 719298e8ec1a32ef72c7c3b34a29f6da5636e2e5 (patch) | |
tree | f28d674e216dc2f43b63141672dd994d7d800da8 /libsensors/InputEventReader.cpp | |
parent | 0db98a7f04011001327ca8dc80246861d6c178df (diff) | |
parent | ebc81b7fe79377a0011269bc1fd43c6def483b9d (diff) | |
download | device_samsung_i9100-719298e8ec1a32ef72c7c3b34a29f6da5636e2e5.zip device_samsung_i9100-719298e8ec1a32ef72c7c3b34a29f6da5636e2e5.tar.gz device_samsung_i9100-719298e8ec1a32ef72c7c3b34a29f6da5636e2e5.tar.bz2 |
Merge remote-tracking branch 'repliforge/i9100-devel' into replicant-6.0
Diffstat (limited to 'libsensors/InputEventReader.cpp')
-rw-r--r-- | libsensors/InputEventReader.cpp | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/libsensors/InputEventReader.cpp b/libsensors/InputEventReader.cpp deleted file mode 100644 index 9bacc86..0000000 --- a/libsensors/InputEventReader.cpp +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (C) 2008 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 <stdint.h> -#include <errno.h> -#include <unistd.h> -#include <poll.h> -#include <cstring> - -#include <sys/cdefs.h> -#include <sys/types.h> - -#include <linux/input.h> - -#include <cutils/log.h> - -#include "InputEventReader.h" - -/*****************************************************************************/ - -struct input_event; - -InputEventCircularReader::InputEventCircularReader(size_t numEvents) - : mBuffer(new input_event[numEvents * 2]), - mBufferEnd(mBuffer + numEvents), - mHead(mBuffer), - mCurr(mBuffer), - mFreeSpace(numEvents) -{ -} - -InputEventCircularReader::~InputEventCircularReader() -{ - delete [] mBuffer; -} - -ssize_t InputEventCircularReader::fill(int fd) -{ - size_t numEventsRead = 0; - if (mFreeSpace) { - const ssize_t nread = read(fd, mHead, mFreeSpace * sizeof(input_event)); - if (nread<0 || nread % sizeof(input_event)) { - // we got a partial event!! - return nread<0 ? -errno : -EINVAL; - } - - numEventsRead = nread / sizeof(input_event); - if (numEventsRead) { - mHead += numEventsRead; - mFreeSpace -= numEventsRead; - if (mHead > mBufferEnd) { - size_t s = mHead - mBufferEnd; - memcpy(mBuffer, mBufferEnd, s * sizeof(input_event)); - mHead = mBuffer + s; - } - } - } - - return numEventsRead; -} - -ssize_t InputEventCircularReader::readEvent(input_event const** events) -{ - *events = mCurr; - ssize_t available = (mBufferEnd - mBuffer) - mFreeSpace; - return available ? 1 : 0; -} - -void InputEventCircularReader::next() -{ - mCurr++; - mFreeSpace++; - if (mCurr >= mBufferEnd) { - mCurr = mBuffer; - } -} |