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Unified Diff: ui/events/ozone/evdev/event_device_info.cc

Issue 851853002: It is time. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Trying to reup because the last upload failed. Created 5 years, 11 months ago
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Index: ui/events/ozone/evdev/event_device_info.cc
diff --git a/ui/events/ozone/evdev/event_device_info.cc b/ui/events/ozone/evdev/event_device_info.cc
deleted file mode 100644
index 6d75ea9e0c7272cb0726c5052ea41e3e12d9dc19..0000000000000000000000000000000000000000
--- a/ui/events/ozone/evdev/event_device_info.cc
+++ /dev/null
@@ -1,185 +0,0 @@
-// Copyright 2013 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/event_device_info.h"
-
-#include <linux/input.h>
-
-#include "base/logging.h"
-#include "base/threading/thread_restrictions.h"
-
-namespace ui {
-
-namespace {
-
-bool GetEventBits(int fd, unsigned int type, void* buf, unsigned int size) {
- if (ioctl(fd, EVIOCGBIT(type, size), buf) < 0) {
- DLOG(ERROR) << "failed EVIOCGBIT(" << type << ", " << size << ") on fd "
- << fd;
- return false;
- }
-
- return true;
-}
-
-bool GetPropBits(int fd, void* buf, unsigned int size) {
- if (ioctl(fd, EVIOCGPROP(size), buf) < 0) {
- DLOG(ERROR) << "failed EVIOCGPROP(" << size << ") on fd " << fd;
- return false;
- }
-
- return true;
-}
-
-bool GetAbsInfo(int fd, int code, struct input_absinfo* absinfo) {
- if (ioctl(fd, EVIOCGABS(code), absinfo)) {
- DLOG(ERROR) << "failed EVIOCGABS(" << code << ") on fd " << fd;
- return false;
- }
- return true;
-}
-
-} // namespace
-
-EventDeviceInfo::EventDeviceInfo() {
- memset(ev_bits_, 0, sizeof(ev_bits_));
- memset(key_bits_, 0, sizeof(key_bits_));
- memset(rel_bits_, 0, sizeof(rel_bits_));
- memset(abs_bits_, 0, sizeof(abs_bits_));
- memset(msc_bits_, 0, sizeof(msc_bits_));
- memset(sw_bits_, 0, sizeof(sw_bits_));
- memset(led_bits_, 0, sizeof(led_bits_));
- memset(prop_bits_, 0, sizeof(prop_bits_));
- memset(abs_info_, 0, sizeof(abs_info_));
-}
-
-EventDeviceInfo::~EventDeviceInfo() {}
-
-bool EventDeviceInfo::Initialize(int fd) {
- if (!GetEventBits(fd, 0, ev_bits_, sizeof(ev_bits_)))
- return false;
-
- if (!GetEventBits(fd, EV_KEY, key_bits_, sizeof(key_bits_)))
- return false;
-
- if (!GetEventBits(fd, EV_REL, rel_bits_, sizeof(rel_bits_)))
- return false;
-
- if (!GetEventBits(fd, EV_ABS, abs_bits_, sizeof(abs_bits_)))
- return false;
-
- if (!GetEventBits(fd, EV_MSC, msc_bits_, sizeof(msc_bits_)))
- return false;
-
- if (!GetEventBits(fd, EV_SW, sw_bits_, sizeof(sw_bits_)))
- return false;
-
- if (!GetEventBits(fd, EV_LED, led_bits_, sizeof(led_bits_)))
- return false;
-
- if (!GetPropBits(fd, prop_bits_, sizeof(prop_bits_)))
- return false;
-
- for (unsigned int i = 0; i < ABS_CNT; ++i)
- if (HasAbsEvent(i))
- if (!GetAbsInfo(fd, i, &abs_info_[i]))
- return false;
-
- return true;
-}
-
-bool EventDeviceInfo::HasEventType(unsigned int type) const {
- if (type > EV_MAX)
- return false;
- return EvdevBitIsSet(ev_bits_, type);
-}
-
-bool EventDeviceInfo::HasKeyEvent(unsigned int code) const {
- if (code > KEY_MAX)
- return false;
- return EvdevBitIsSet(key_bits_, code);
-}
-
-bool EventDeviceInfo::HasRelEvent(unsigned int code) const {
- if (code > REL_MAX)
- return false;
- return EvdevBitIsSet(rel_bits_, code);
-}
-
-bool EventDeviceInfo::HasAbsEvent(unsigned int code) const {
- if (code > ABS_MAX)
- return false;
- return EvdevBitIsSet(abs_bits_, code);
-}
-
-bool EventDeviceInfo::HasMscEvent(unsigned int code) const {
- if (code > MSC_MAX)
- return false;
- return EvdevBitIsSet(msc_bits_, code);
-}
-
-bool EventDeviceInfo::HasSwEvent(unsigned int code) const {
- if (code > SW_MAX)
- return false;
- return EvdevBitIsSet(sw_bits_, code);
-}
-
-bool EventDeviceInfo::HasLedEvent(unsigned int code) const {
- if (code > LED_MAX)
- return false;
- return EvdevBitIsSet(led_bits_, code);
-}
-
-bool EventDeviceInfo::HasProp(unsigned int code) const {
- if (code > INPUT_PROP_MAX)
- return false;
- return EvdevBitIsSet(prop_bits_, code);
-}
-
-int32 EventDeviceInfo::GetAbsMinimum(unsigned int code) const {
- return abs_info_[code].minimum;
-}
-
-int32 EventDeviceInfo::GetAbsMaximum(unsigned int code) const {
- return abs_info_[code].maximum;
-}
-
-bool EventDeviceInfo::HasAbsXY() const {
- if (HasAbsEvent(ABS_X) && HasAbsEvent(ABS_Y))
- return true;
-
- if (HasAbsEvent(ABS_MT_POSITION_X) && HasAbsEvent(ABS_MT_POSITION_Y))
- return true;
-
- return false;
-}
-
-bool EventDeviceInfo::HasRelXY() const {
- return HasRelEvent(REL_X) && HasRelEvent(REL_Y);
-}
-
-bool EventDeviceInfo::IsMappedToScreen() const {
- // Device position is mapped directly to the screen.
- if (HasProp(INPUT_PROP_DIRECT))
- return true;
-
- // Device position moves the cursor.
- if (HasProp(INPUT_PROP_POINTER))
- return false;
-
- // Tablets are mapped to the screen.
- if (HasKeyEvent(BTN_TOOL_PEN) || HasKeyEvent(BTN_STYLUS) ||
- HasKeyEvent(BTN_STYLUS2))
- return true;
-
- // Touchpads are not mapped to the screen.
- if (HasKeyEvent(BTN_LEFT) || HasKeyEvent(BTN_MIDDLE) ||
- HasKeyEvent(BTN_RIGHT) || HasKeyEvent(BTN_TOOL_FINGER))
- return false;
-
- // Touchscreens are mapped to the screen.
- return true;
-}
-
-} // namespace ui
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