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// 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 features {
// Enables the floating virtual keyboard behavior.
const base::Feature kEnableFloatingVirtualKeyboard = {
"enable-floating-virtual-keyboard", base::FEATURE_DISABLED_BY_DEFAULT};
} // namespace features
namespace switches {
#if defined(OS_MACOSX) && !defined(OS_IOS)
// Disable use of AVFoundation to draw video content.
const char kDisableAVFoundationOverlays[] = "disable-avfoundation-overlays";
// Fall back to using CAOpenGLLayers display content, instead of the IOSurface
// based overlay display path.
const char kDisableMacOverlays[] = "disable-mac-overlays";
// Disable use of cross-process CALayers to display content directly from the
// GPU process on Mac.
const char kDisableRemoteCoreAnimation[] = "disable-remote-core-animation";
// Show borders around CALayers corresponding to overlays and partial damage.
const char kShowMacOverlayBorders[] = "show-mac-overlay-borders";
#if defined(OS_WIN)
// Disables merging the key event (WM_KEY*) with the char event (WM_CHAR).
const char kDisableMergeKeyCharEvents[] = "disable-merge-key-char-events";
// Enables merging the key event (WM_KEY*) with the char event (WM_CHAR).
const char kEnableMergeKeyCharEvents[] = "enable-merge-key-char-events";
// Disables layer-edge anti-aliasing in the compositor.
const char kDisableCompositedAntialiasing[] = "disable-composited-antialiasing";
// Disables use of DWM composition for top level windows.
const char kDisableDwmComposition[] = "disable-dwm-composition";
// Disables touch adjustment.
const char kDisableTouchAdjustment[] = "disable-touch-adjustment";
// Disables touch event based drag and drop.
const char kDisableTouchDragDrop[] = "disable-touch-drag-drop";
// Enables touch event based drag and drop.
const char kEnableTouchDragDrop[] = "enable-touch-drag-drop";
// TODO(dcastagna): Draw debug quad borders only when it is actually
// an overlay candidate.
// Renders a border around GL composited overlay candidate quads to
// help debug and study overlay support.
const char kGlCompositedOverlayCandidateQuadBorder[] =
// 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";
// Defines the speed of Material Design visual feedback animations.
const char kMaterialDesignInkDropAnimationSpeed[] =
// Defines that Material Design visual feedback animations should be fast.
const char kMaterialDesignInkDropAnimationSpeedFast[] = "fast";
// Defines that Material Design visual feedback animations should be slow.
const char kMaterialDesignInkDropAnimationSpeedSlow[] = "slow";
// Enables top Chrome material design elements.
const char kTopChromeMD[] = "top-chrome-md";
// Material design mode for the |kTopChromeMD| switch.
const char kTopChromeMDMaterial[] = "material";
// Auto-switching mode |kTopChromeMD| switch. This mode toggles between
// material and material-hybrid depending on device.
const char kTopChromeMDMaterialAuto[] = "material-auto";
// Material design hybrid mode for the |kTopChromeMD| switch. Targeted for
// mouse/touch hybrid devices.
const char kTopChromeMDMaterialHybrid[] = "material-hybrid";
// Classic, non-material, mode for the |kTopChromeMD| switch.
const char kTopChromeMDNonMaterial[] = "non-material";
// Disable partial swap which is needed for some OpenGL drivers / emulators.
const char kUIDisablePartialSwap[] = "ui-disable-partial-swap";
// Visualize overdraw by color-coding elements based on if they have other
// elements drawn underneath. This is good for showing where the UI might be
// doing more rendering work than necessary. The colors are hinting at the
// amount of overdraw on your screen for each pixel, as follows:
// True color: No overdraw.
// Blue: Overdrawn once.
// Green: Overdrawn twice.
// Pink: Overdrawn three times.
// Red: Overdrawn four or more times.
const char kShowOverdrawFeedback[] = "show-overdraw-feedback";
// Use draw occlusion to skip draw quads when they are not shown on screen.
const char kEnableDrawOcclusion[] = "enable-draw-occlusion";
// Use SkiaRenderer instead of GLRenderer for direct rendering.
const char kUseSkiaRenderer[] = "use-skia-renderer";
// Disable re-use of non-exact resources to fulfill ResourcePool requests.
// Intended only for use in layout or pixel tests to reduce noise.
const char kDisallowNonExactResourceReuse[] =
// Transform localized strings to be longer, with beginning and end markers to
// make truncation visually apparent.
const char kMangleLocalizedStrings[] = "mangle-localized-strings";
// Re-draw everything multiple times to simulate a much slower machine.
// Give a slow down factor to cause renderer to take that many times longer to
// complete, such as --slow-down-compositing-scale-factor=2.
const char kSlowDownCompositingScaleFactor[] =
#if defined(USE_AURA)
// Used to enable the mus service (aka the UI service). This makes mus run in
// process. It is also used to notify the clients that the UI service is being
// used. If the value of this flag is set to kMusHostVizValue, then that means
// the UI service is hosting the viz service.
const char kMus[] = "mus";
const char kMusHostVizValue[] = "viz";
} // namespace switches