ui/base/ui_base_switches.cc

// Copyright (c) 2012 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/base/ui_base_switches.h"

namespace switches {

// The default device scale factor to apply to the browser UI and
// the contents in the absence of a viewport meta tag.
const char kDefaultDeviceScaleFactor[] = "default-device-scale-factor";

// Let text glyphs have X-positions that aren't snapped to the pixel grid.
const char kEnableTextSubpixelPositioning[] =
    "enable-text-subpixel-positioning";

// Enable touch screen calibration.
const char kEnableTouchCalibration[] = "enable-touch-calibration";

// Enable support for touch events.
const char kEnableTouchEvents[] = "enable-touch-events";

// Generates a 2x version of resources for which no 2x version is available or
// the 2x version is of an incorrect size and applies a red mask to the
// resource. Resources for which hidpi is not supported because of software
// reasons will show up pixelated.
const char kHighlightMissing2xResources[] =
    "highlight-missing-2x-resources";

// The language file that we want to try to open. Of the form
// language[-country] where language is the 2 letter code from ISO-639.
const char kLang[] = "lang";

// Loads 2x resources. These resource paks currently contain
// mix of 1x and 2x and loading them may break the UI on 2x display.
const char kLoad2xResources[] = "load-2x-resources";

// Load the locale resources from the given path. When running on Mac/Unix the
// path should point to a locale.pak file.
const char kLocalePak[] = "locale_pak";

// Disable ui::MessageBox. This is useful when running as part of scripts that
// do not have a user interface.
const char kNoMessageBox[] = "no-message-box";

// Enables UI changes that make it easier to use with a touchscreen.
// WARNING: Do not check this flag directly when deciding what UI to draw,
// instead you must call ui::GetDisplayLayout
const char kTouchOptimizedUI[]              = "touch-optimized-ui";

// The values the kTouchOptimizedUI switch may have, as in
// "--touch-optimized-ui=disabled".
//   auto: Enabled on monitors which have touchscreen support (default).
const char kTouchOptimizedUIAuto[] = "auto";
//   enabled: always optimized for touch (even if no touch support).
const char kTouchOptimizedUIEnabled[] = "enabled";
//   disabled: never optimized for touch.
const char kTouchOptimizedUIDisabled[] = "disabled";

#if defined(OS_MACOSX)
const char kDisableCompositedCoreAnimationPlugins[] =
    "disable-composited-core-animation-plugins";
#endif

#if defined(TOOLKIT_VIEWS) && defined(OS_LINUX)
// Tells chrome to interpret events from these devices as touch events. Only
// available with XInput 2 (i.e. X server 1.8 or above). The id's of the
// devices can be retrieved from 'xinput list'.
const char kTouchDevices[] = "touch-devices";
#endif

}  // namespace switches