blob: cfd9010d7b0e513e358207b361dd5b2a4452e710 [file] [log] [blame]
// Copyright 2017 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 "ash/public/cpp/stylus_utils.h"
#include "ash/public/cpp/ash_switches.h"
#include "base/command_line.h"
#include "ui/display/display.h"
#include "ui/events/devices/device_data_manager.h"
#include "ui/events/devices/touchscreen_device.h"
#include "ui/gfx/geometry/point.h"
namespace ash {
namespace stylus_utils {
namespace {
// If true the device performs as if it is hardware reports that it is stylus
// capable.
bool g_has_stylus_input_for_testing = false;
} // namespace
bool HasForcedStylusInput() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kAshForceEnableStylusTools);
}
bool HasStylusInput() {
if (g_has_stylus_input_for_testing)
return true;
// Allow the user to force enable or disable by passing a switch. If both are
// present, enabling takes precedence over disabling.
if (HasForcedStylusInput())
return true;
// Check to see if the hardware reports it is stylus capable.
for (const ui::TouchscreenDevice& device :
ui::DeviceDataManager::GetInstance()->GetTouchscreenDevices()) {
if (device.has_stylus &&
device.type == ui::InputDeviceType::INPUT_DEVICE_INTERNAL) {
return true;
}
}
return false;
}
bool IsPaletteEnabledOnEveryDisplay() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kAshEnablePaletteOnAllDisplays);
}
bool HasInternalStylus() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kHasInternalStylus);
}
void SetHasStylusInputForTesting() {
g_has_stylus_input_for_testing = true;
}
} // namespace stylus_utils
} // namespace ash