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Diffstat (limited to 'ui/display/chromeos/x11/touchscreen_delegate_x11.cc')
-rw-r--r--ui/display/chromeos/x11/touchscreen_delegate_x11.cc132
1 files changed, 0 insertions, 132 deletions
diff --git a/ui/display/chromeos/x11/touchscreen_delegate_x11.cc b/ui/display/chromeos/x11/touchscreen_delegate_x11.cc
deleted file mode 100644
index b76d62e..0000000
--- a/ui/display/chromeos/x11/touchscreen_delegate_x11.cc
+++ /dev/null
@@ -1,132 +0,0 @@
-// Copyright 2014 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/display/chromeos/x11/touchscreen_delegate_x11.h"
-
-#include <X11/extensions/XInput.h>
-#include <X11/extensions/XInput2.h>
-
-#include <cmath>
-#include <set>
-
-#include "ui/display/types/chromeos/display_mode.h"
-#include "ui/display/types/chromeos/display_snapshot.h"
-#include "ui/gfx/x/x11_types.h"
-
-namespace ui {
-
-TouchscreenDelegateX11::TouchscreenDelegateX11()
- : display_(gfx::GetXDisplay()) {}
-
-TouchscreenDelegateX11::~TouchscreenDelegateX11() {}
-
-void TouchscreenDelegateX11::AssociateTouchscreens(
- DisplayConfigurator::DisplayStateList* outputs) {
- int ndevices = 0;
- Atom valuator_x = XInternAtom(display_, "Abs MT Position X", False);
- Atom valuator_y = XInternAtom(display_, "Abs MT Position Y", False);
- if (valuator_x == None || valuator_y == None)
- return;
-
- std::set<int> no_match_touchscreen;
- XIDeviceInfo* info = XIQueryDevice(display_, XIAllDevices, &ndevices);
- for (int i = 0; i < ndevices; i++) {
- if (!info[i].enabled || info[i].use != XIFloatingSlave)
- continue; // Assume all touchscreens are floating slaves
-
- double width = -1.0;
- double height = -1.0;
- bool is_direct_touch = false;
-
- for (int j = 0; j < info[i].num_classes; j++) {
- XIAnyClassInfo* class_info = info[i].classes[j];
-
- if (class_info->type == XIValuatorClass) {
- XIValuatorClassInfo* valuator_info =
- reinterpret_cast<XIValuatorClassInfo*>(class_info);
-
- if (valuator_x == valuator_info->label) {
- // Ignore X axis valuator with unexpected properties
- if (valuator_info->number == 0 && valuator_info->mode == Absolute &&
- valuator_info->min == 0.0) {
- width = valuator_info->max;
- }
- } else if (valuator_y == valuator_info->label) {
- // Ignore Y axis valuator with unexpected properties
- if (valuator_info->number == 1 && valuator_info->mode == Absolute &&
- valuator_info->min == 0.0) {
- height = valuator_info->max;
- }
- }
- }
-#if defined(USE_XI2_MT)
- if (class_info->type == XITouchClass) {
- XITouchClassInfo* touch_info =
- reinterpret_cast<XITouchClassInfo*>(class_info);
- is_direct_touch = touch_info->mode == XIDirectTouch;
- }
-#endif
- }
-
- // Touchscreens should have absolute X and Y axes,
- // and be direct touch devices.
- if (width > 0.0 && height > 0.0 && is_direct_touch) {
- size_t k = 0;
- for (; k < outputs->size(); k++) {
- DisplayConfigurator::DisplayState* output = &(*outputs)[k];
- if (output->touch_device_id != None)
- continue;
-
- const DisplayMode* mode_info = output->display->native_mode();
- if (!mode_info)
- continue;
-
- // Allow 1 pixel difference between screen and touchscreen
- // resolutions. Because in some cases for monitor resolution
- // 1024x768 touchscreen's resolution would be 1024x768, but for
- // some 1023x767. It really depends on touchscreen's firmware
- // configuration.
- if (std::abs(mode_info->size().width() - width) <= 1.0 &&
- std::abs(mode_info->size().height() - height) <= 1.0) {
- output->touch_device_id = info[i].deviceid;
-
- VLOG(2) << "Found touchscreen for output #" << k << " id "
- << output->touch_device_id << " width " << width << " height "
- << height;
- break;
- }
- }
-
- if (k == outputs->size()) {
- no_match_touchscreen.insert(info[i].deviceid);
- VLOG(2) << "No matching output for touchscreen"
- << " id " << info[i].deviceid << " width " << width
- << " height " << height;
- }
- }
- }
-
- // Sometimes we can't find a matching screen for the touchscreen, e.g.
- // due to the touchscreen's reporting range having no correlation with the
- // screen's resolution. In this case, we arbitrarily assign unmatched
- // touchscreens to unmatched screens.
- for (std::set<int>::iterator it = no_match_touchscreen.begin();
- it != no_match_touchscreen.end();
- it++) {
- for (size_t i = 0; i < outputs->size(); i++) {
- if ((*outputs)[i].display->type() != DISPLAY_CONNECTION_TYPE_INTERNAL &&
- (*outputs)[i].display->native_mode() != NULL &&
- (*outputs)[i].touch_device_id == None) {
- (*outputs)[i].touch_device_id = *it;
- VLOG(2) << "Arbitrarily matching touchscreen "
- << (*outputs)[i].touch_device_id << " to output #" << i;
- break;
- }
- }
- }
-
- XIFreeDeviceInfo(info);
-}
-
-} // namespace ui