ash/ash_switches.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ash/ash_switches.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/sys_info.h"
   9
  10 namespace ash {
  11 namespace switches {
  12
  13 // Enables an animated transition from the boot splash screen (Chrome logo on a
  14 // white background) to the login screen.  Implies
  15 // |kAshCopyHostBackgroundAtBoot| and doesn't make much sense if used in
  16 // conjunction with |kDisableBootAnimation| (since the transition begins at the
  17 // same time as the white/grayscale login screen animation).
  18 const char kAshAnimateFromBootSplashScreen[] =
  19     "ash-animate-from-boot-splash-screen";
  20
  21 // Copies the host window's content to the system background layer at startup.
  22 // Can make boot slightly slower, but also hides an even-longer awkward period
  23 // where we display a white background if the login wallpaper takes a long time
  24 // to load.
  25 const char kAshCopyHostBackgroundAtBoot[] = "ash-copy-host-background-at-boot";
  26
  27 // Enable keyboard shortcuts useful for debugging.
  28 const char kAshDebugShortcuts[] = "ash-debug-shortcuts";
  29
  30 // Disables the window backdrops normally used in maximize mode (TouchView).
  31 const char kAshDisableMaximizeModeWindowBackdrop[] =
  32     "ash-disable-maximize-mode-window-backdrop";
  33
  34 #if defined(OS_CHROMEOS)
  35 // Disable the support for WebContents to lock the screen orientation.
  36 const char kAshDisableScreenOrientationLock[] =
  37     "ash-disable-screen-orientation-lock";
  38 #endif
  39
  40 // Disable the Touch Exploration Mode. Touch Exploration Mode will no longer be
  41 // turned on automatically when spoken feedback is enabled when this flag is
  42 // set.
  43 const char kAshDisableTouchExplorationMode[] =
  44     "ash-disable-touch-exploration-mode";
  45
  46 #if defined(OS_CHROMEOS)
  47 // Enables fullscreen app list if Ash is in maximize mode.
  48 const char kAshEnableFullscreenAppList[] = "ash-enable-fullscreen-app-list";
  49
  50 // Enables key bindings to scroll magnified screen.
  51 const char kAshEnableMagnifierKeyScroller[] =
  52     "ash-enable-magnifier-key-scroller";
  53
  54 // Enables unified desktop mode.
  55 const char kAshEnableUnifiedDesktop[] = "ash-enable-unified-desktop";
  56
  57 #endif
  58
  59 // Enables mirrored screen.
  60 const char kAshEnableMirroredScreen[] = "ash-enable-mirrored-screen";
  61
  62 // Enables / disables a stable order between overview sessions, independent of
  63 // the MRU order which attempts to preserve relative window positions.
  64 const char kAshDisableStableOverviewOrder[] =
  65     "ash-disable-stable-overview-order";
  66 const char kAshEnableStableOverviewOrder[] = "ash-enable-stable-overview-order";
  67
  68 // Enables quick, non-cancellable locking of the screen when in maximize mode.
  69 const char kAshEnablePowerButtonQuickLock[] =
  70     "ash-enable-power-button-quick-lock";
  71
  72 // Enables software based mirroring.
  73 const char kAshEnableSoftwareMirroring[] = "ash-enable-software-mirroring";
  74
  75 // Enables touch view testing.
  76 // TODO(skuhne): Remove TOGGLE_TOUCH_VIEW_TESTING accelerator once this
  77 // flag is removed.
  78 const char kAshEnableTouchViewTesting[] = "ash-enable-touch-view-testing";
  79
  80 // When this flag is set, system sounds will be played whether the
  81 // ChromeVox is enabled or not.
  82 const char kAshEnableSystemSounds[] = "ash-enable-system-sounds";
  83
  84 // Hides notifications that are irrelevant to Chrome OS device factory testing,
  85 // such as battery level updates.
  86 const char kAshHideNotificationsForFactory[] =
  87     "ash-hide-notifications-for-factory";
  88
  89 // Sets a window size, optional position, and optional scale factor.
  90 // "1024x768" creates a window of size 1024x768.
  91 // "100+200-1024x768" positions the window at 100,200.
  92 // "1024x768*2" sets the scale factor to 2 for a high DPI display.
  93 const char kAshHostWindowBounds[] = "ash-host-window-bounds";
  94
  95 // Specifies the layout mode and offsets for the secondary display for
  96 // testing. The format is "<t|r|b|l>,<offset>" where t=TOP, r=RIGHT,
  97 // b=BOTTOM and L=LEFT. For example, 'r,-100' means the secondary display
  98 // is positioned on the right with -100 offset. (above than primary)
  99 const char kAshSecondaryDisplayLayout[] = "ash-secondary-display-layout";
 100
 101 // Enables the heads-up display for tracking touch points.
 102 const char kAshTouchHud[] = "ash-touch-hud";
 103
 104 // Uses the 1st display in --ash-host-window-bounds as internal display.
 105 // This is for debugging on linux desktop.
 106 const char kAshUseFirstDisplayAsInternal[] =
 107     "ash-use-first-display-as-internal";
 108
 109 // (Most) Chrome OS hardware reports ACPI power button releases correctly.
 110 // Standard hardware reports releases immediately after presses.  If set, we
 111 // lock the screen or shutdown the system immediately in response to a press
 112 // instead of displaying an interactive animation.
 113 const char kAuraLegacyPowerButton[] = "aura-legacy-power-button";
 114
 115 #if defined(OS_WIN)
 116 // Force Ash to open its root window on the desktop, even on Windows 8 where
 117 // it would normally end up in metro.
 118 const char kForceAshToDesktop[] = "ash-force-desktop";
 119
 120 #endif
 121
 122 #if defined(OS_CHROMEOS)
 123 // Constrains the pointer movement within a root window on desktop.
 124 bool ConstrainPointerToRoot() {
 125   const char kAshConstrainPointerToRoot[] = "ash-constrain-pointer-to-root";
 126
 127   return base::SysInfo::IsRunningOnChromeOS() ||
 128          base::CommandLine::ForCurrentProcess()->HasSwitch(
 129              kAshConstrainPointerToRoot);
 130 }
 131
 132 #endif
 133
 134 }  // namespace switches
 135 }  // namespace ash