| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/events/ozone/evdev/touch_evdev_debug_buffer.h" |
| |
| #include <stdio.h> |
| |
| #include "base/files/file.h" |
| #include "base/files/file_util.h" |
| #include "base/logging.h" |
| #include "base/strings/stringprintf.h" |
| #include "ui/events/ozone/evdev/event_device_info.h" |
| |
| using base::File; |
| |
| namespace ui { |
| |
| TouchEventLogEvdev::TouchEventLogEvdev() |
| : logged_events_(new TouchEvent[kDebugBufferSize]) { |
| } |
| |
| TouchEventLogEvdev::~TouchEventLogEvdev() { |
| } |
| |
| void TouchEventLogEvdev::Initialize(const EventDeviceInfo& devinfo) { |
| device_name_ = devinfo.name(); |
| for (int code = ABS_X; code <= ABS_MAX; code++) { |
| if (devinfo.HasAbsEvent(code)) { |
| axes_.push_back(AbsAxisData(code, devinfo.GetAbsInfoByCode(code))); |
| } |
| } |
| } |
| |
| void TouchEventLogEvdev::ProcessEvent(size_t cur_slot, const input_event* ev) { |
| if (ev->type == EV_ABS || ev->type == EV_SYN || |
| (ev->type == EV_KEY && ev->code == BTN_TOUCH)) { |
| logged_events_[debug_buffer_tail_].ev = *ev; |
| logged_events_[debug_buffer_tail_].slot = cur_slot; |
| debug_buffer_tail_++; |
| debug_buffer_tail_ %= kDebugBufferSize; |
| } |
| } |
| |
| void TouchEventLogEvdev::DumpLog(const char* filename) { |
| base::FilePath fp = base::FilePath(filename); |
| File file(fp, File::FLAG_CREATE | File::FLAG_WRITE); |
| std::string report_content(""); |
| std::string device_name_str = |
| base::StringPrintf("# device: %s\n", device_name_.c_str()); |
| report_content += device_name_str; |
| for (size_t i = 0; i < axes_.size(); ++i) { |
| std::string absinfo = base::StringPrintf( |
| "# absinfo: %d %d %d %d %d %d\n", axes_[i].code, axes_[i].info.maximum, |
| axes_[i].info.maximum, axes_[i].info.fuzz, axes_[i].info.flat, |
| axes_[i].info.resolution); |
| report_content += absinfo; |
| } |
| for (int i = 0; i < kDebugBufferSize; ++i) { |
| struct TouchEvent* te = |
| &logged_events_[(debug_buffer_tail_ + i) % kDebugBufferSize]; |
| if (te->ev.time.tv_sec == 0 && te->ev.time.tv_usec == 0) |
| continue; |
| std::string event_string = base::StringPrintf( |
| "E: %ld.%06ld %04x %04x %d %d\n", te->ev.time.tv_sec, |
| te->ev.time.tv_usec, te->ev.type, te->ev.code, te->ev.value, te->slot); |
| report_content += event_string; |
| } |
| file.Write(0, report_content.c_str(), report_content.length()); |
| } |
| |
| TouchEventLogEvdev::AbsAxisData::AbsAxisData(int code, |
| const input_absinfo& info) |
| : code(code), info(info) { |
| } |
| |
| TouchEventLogEvdev::AbsAxisData::AbsAxisData(const AbsAxisData& other) = |
| default; |
| |
| TouchEventLogEvdev::AbsAxisData::~AbsAxisData() { |
| } |
| |
| } // namespace ui |