Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 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 (see features.gni for Chrome |
| 6 | # feature-related ones). These should theoretically be moved to the ui |
| 7 | # directory. |
| 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 to match the GYP configuration. Also, |
| 11 | # anything that needs a grit define must be in either this file or features.gni. |
| 12 | # |
| 13 | # PLEASE TRY TO AVOID ADDING FLAGS TO THIS FILE in cases where grit isn't |
| 14 | # required. See the declare_args block of BUILDCONFIG.gn for advice on how |
| 15 | # to set up feature flags. |
| 16 | |
| 17 | import("//build/config/chromecast_build.gni") |
| 18 | |
| 19 | declare_args() { |
| 20 | # Indicates if Ash is enabled. Ash is the Aura Shell which provides a |
| 21 | # desktop-like environment for Aura. Requires use_aura = true |
| 22 | use_ash = is_chromeos && !is_chromecast |
| 23 | |
| 24 | # Indicates if Ozone is enabled. Ozone is a low-level library layer for Linux |
| 25 | # that does not require X11. Enabling this feature disables use of glib, x11, |
| 26 | # Pango, and Cairo. Default to false on non-Chromecast builds. |
| 27 | use_ozone = is_chromecast && !is_android |
| 28 | |
| 29 | # Indicates if Aura is enabled. Aura is a low-level windowing library, sort |
| 30 | # of a replacement for GDI or GTK. |
| 31 | use_aura = is_win || is_linux |
| 32 | |
| 33 | # True means the UI is built using the "views" framework. |
| 34 | toolkit_views = |
| 35 | (is_mac || is_win || is_chromeos || use_aura) && !is_chromecast |
| 36 | |
| 37 | # Whether the entire browser uses toolkit-views on Mac instead of Cocoa. |
| 38 | mac_views_browser = false |
| 39 | |
| 40 | # Whether we should use GTKv3 instead of GTKv2. |
| 41 | use_gtk3 = false |
| 42 | |
| 43 | # Optional system libraries. |
| 44 | use_xkbcommon = false |
| 45 | |
| 46 | # Whether we should use glib, a low level C utility library. |
| 47 | use_glib = is_linux |
| 48 | |
| 49 | # Indicates if material design elements in the top chrome of the browser are |
| 50 | # enabled. |
| 51 | enable_topchrome_md = is_chromeos || is_win || is_linux || is_mac |
| 52 | |
| 53 | # Indicates if Wayland display server support is enabled. |
| 54 | enable_wayland_server = is_chromeos |
| 55 | |
| 56 | # Enable experimental vulkan backend. |
| 57 | enable_vulkan = false |
| 58 | } |
| 59 | |
| 60 | # Additional dependent variables ----------------------------------------------- |
| 61 | # |
| 62 | # These variables depend on other variables and can't be set externally. |
| 63 | |
| 64 | # Use GPU accelerated cross process image transport by default on linux builds |
| 65 | # with the Aura window manager. |
| 66 | ui_compositor_image_transport = use_aura && is_linux |
| 67 | |
| 68 | use_default_render_theme = use_aura && !is_android |
| 69 | |
| 70 | # Indicates if the UI toolkit depends on X11. |
| 71 | use_x11 = is_linux && !use_ozone |
| 72 | |
| 73 | # Turn off glib if Ozone is enabled. |
| 74 | if (use_ozone) { |
| 75 | use_glib = false |
| 76 | } |
| 77 | |
| 78 | if (is_linux && !use_ozone) { |
| 79 | use_cairo = true |
| 80 | use_pango = true |
| 81 | } else { |
| 82 | use_cairo = false |
| 83 | use_pango = false |
| 84 | } |
| 85 | |
| 86 | # Whether to use atk, the Accessibility ToolKit library |
| 87 | use_atk = is_desktop_linux && use_x11 |
| 88 | |
| 89 | use_clipboard_aurax11 = is_linux && use_aura && use_x11 |