Chrome Release Bot (LUCI) 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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accelerators 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
accelerometer 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
accessibility 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
ambient 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
animation 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
app_list 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
app_menu 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
ash_strings_grd 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
assistant 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
bubble 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
calendar 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
capture_mode 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
child_accounts 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
clipboard 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
components 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
constants 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
controls 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
dbus 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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display 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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events 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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frame 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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glanceables 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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highlighter 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
host 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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ime 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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keyboard 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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login 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
media 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
metrics 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
multi_capture 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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multi_user 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
perftests 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
policy 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
power 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
projector 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
public 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
quick_pair 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
resources 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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rotator 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
search_box 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
services 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
session 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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shortcut_viewer 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
strings 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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system 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
test 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
tooltips 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
touch 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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utility 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
wallpaper 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
webui 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
wm 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
BUILD.gn 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
DEPS 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
DIR_METADATA 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
OWNERS 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
README.md 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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ash_interfaces.cc 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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cancel_mode.cc 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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debug.cc 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
debug.h 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
dip_unittest.cc 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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focus_cycler.cc 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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screen_util.h 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
screen_util_unittest.cc 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
shell.cc 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
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window_user_data.h 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад
window_user_data_unittest.cc 4762b62e7d Publish DEPS for 106.0.5249.13 1 год назад

README.md

Ash

Ash is the «Aura Shell», the window manager and system UI for Chrome OS. Ash uses the views UI toolkit (e.g. views::View, views::Widget, etc.) backed by the aura native widget and layer implementations.

Dependencies

Ash sits below chrome in the dependency graph (i.e. it cannot depend on code in //chrome). For historical reasons, ash has multiple dependency levels:

  • General //ash code is on top (//ash/system, //ash/wm, etc.)
  • //ash/components sit below //ash, see README
  • //ash/constants sit near the bottom of the dependency graph, see README

Access to Ash internals is controlled by DEPS files. Unless explicitly allowed by DEPS, code outside Ash should depend on the interfaces in //ash/public. Check with OWNERS if you have questions.

Tests

Tests should be added to the ash_unittests target.

Tests can bring up most of the ash UI and simulate a login session by deriving from AshTestBase. This is often needed to test code that depends on ash::Shell and the controllers it owns.

Test support code (TestFooDelegate, FooControllerTestApi, etc.) lives in the same directory as the class under test (e.g. //ash/foo rather than //ash/test). Test code uses namespace ash; there is no special «test» namespace.

Prefs

Ash supports both per-user prefs and device-wide prefs. These are called «profile prefs» and «local state» to match the naming conventions in chrome. Ash also supports «signin screen» prefs, bound to a special profile that allows users to toggle features like spoken feedback at the login screen.

Pref names are in //ash/public/cpp so that code in chrome can also use the names. Prefs are registered in the classes that use them because those classes have the best knowledge of default values.

Historical notes

Ash shipped on Windows for a couple years to support Windows 8 Metro mode. Windows support was removed in 2016.

The mash (some times called mus-ash or mustash) project was an effort to move ash into its own process and the browser in its own process. Communication between the two processes was done over mojo. Windowing was done using the window-service (some times called mus), which ran with Ash. Many of the mojo interfaces have been converted to pure virtual interfaces, with the implementation in ash. The mash project was stopped around 42019.