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1 # Copyright 2014 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 # This file contains UI-related build flags. It should theoretically be in the | |
6 # src/ui directory and only things that depend on the ui module should get the | |
7 # definitions. | |
8 # | |
9 # However, today we have many "bad" dependencies on some of these flags from, | |
10 # e.g. base, so they need to be global. | |
11 # | |
12 # See also build/config/features.gni | |
13 | |
14 declare_args() { | |
15 # Indicates if Ash is enabled. Ash is the Aura Shell which provides a | |
16 # desktop-like environment for Aura. Requires use_aura = true | |
17 use_ash = is_win || is_linux | |
18 | |
19 # Indicates if Ozone is enabled. Ozone is a low-level library layer for Linux | |
20 # that does not require X11. | |
21 use_ozone = false | |
22 | |
23 # Indicates if GLFW is enabled. GLFW is an abstraction layer for the | |
24 # windowing system and OpenGL rendering, providing cross-platform support | |
25 # for creating windows and OpenGL surfaces and contexts, and handling | |
26 # window system events and input. | |
27 use_glfw = false | |
28 | |
29 # Support ChromeOS touchpad gestures with ozone. | |
30 use_evdev_gestures = false | |
31 | |
32 # Indicates if Aura is enabled. Aura is a low-level windowing library, sort | |
33 # of a replacement for GDI or GTK. | |
34 use_aura = is_win || is_linux | |
35 | |
36 # True means the UI is built using the "views" framework. | |
37 toolkit_views = is_mac || is_win || is_chromeos || use_aura | |
38 | |
39 # Whether the entire browser uses toolkit-views on Mac instead of Cocoa. | |
40 mac_views_browser = false | |
41 | |
42 # Whether we should use glib, a low level C utility library. | |
43 use_glib = is_linux && !use_ozone | |
44 } | |
45 | |
46 # Additional dependent variables ----------------------------------------------- | |
47 # | |
48 # These variables depend on other variables and can't be set externally. | |
49 | |
50 use_cairo = false | |
51 use_pango = false | |
52 | |
53 # Use GPU accelerated cross process image transport by default on linux builds | |
54 # with the Aura window manager. | |
55 ui_compositor_image_transport = use_aura && is_linux | |
56 | |
57 use_default_render_theme = use_aura || is_linux | |
58 | |
59 # Indicates if the UI toolkit depends on X11. | |
60 use_x11 = is_linux && !use_ozone && !use_glfw | |
61 | |
62 use_ozone_evdev = use_ozone | |
63 | |
64 use_clipboard_aurax11 = is_linux && use_aura && use_x11 | |
65 | |
66 enable_hidpi = is_mac || is_chromeos || is_win || is_linux | |
67 | |
68 enable_topchrome_md = false | |
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