File: sandbox_support.mojom

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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module content.mojom;

[EnableIf=is_mac]
import "mojo/public/mojom/base/shared_memory.mojom";
[EnableIf=is_win]
import "mojo/public/mojom/base/string16.mojom";

[EnableIf=is_win]
feature kWinSboxProxyLocale {
  const string name = "WinSboxProxyLocale";
  const bool enabled_state = false;
};

// Interface for a sandboxed child process to request services of
// the browser.
interface SandboxSupport {
  // Mac:

  // Returns the shared memory region containing system theme color
  // information.
  [EnableIf=is_mac]
  GetSystemColors() => (mojo_base.mojom.ReadOnlySharedMemoryRegion region);

  // Windows: Various GetLocale*() proxies. These replace wrapped syscalls
  // so have to be [Sync].

  // Returns the LCID and first day of week corresponding to `locale` with a
  // fallback to `default_language`. If `force_defaults` is true then user
  // customization is ignored. Both string arguments have a max length of
  // LOCALE_NAME_MAX_LENGTH.
  [Sync, EnableIf=is_win, RuntimeFeature=kWinSboxProxyLocale]
  LcidAndFirstDayOfWeek(mojo_base.mojom.String16 locale,
                        mojo_base.mojom.String16 default_language,
                        bool defaults)
      => (uint32 lcid, uint32 first_day_of_week);

  // Returns digit substitutions and negative sign prefix and suffix for `lcid`.
  // Ignores user customization if `defaults` is true. Backs
  // InitializeLocaleData(). `digits` are not fetched if `digit_substitution` is
  // 0to9.
  [Sync, EnableIf=is_win, RuntimeFeature=kWinSboxProxyLocale]
  DigitsAndSigns(uint32 lcid, bool defaults)
      => (uint32 digit_substitution,
          mojo_base.mojom.String16 digits,
          mojo_base.mojom.String16 decimal,
          mojo_base.mojom.String16 thousand,
          mojo_base.mojom.String16 negative_sign,
          uint32 negnumber);

  // Single strings that can be directly requested.
  [EnableIf=is_win]
  enum LcTypeString {
    kShortDate,
    kYearMonth,
    kTimeFormat,
    kShortTime,
  };

  // Returns a single string, selected by `type`.
  [Sync, EnableIf=is_win, RuntimeFeature=kWinSboxProxyLocale]
  LocaleString(uint32 lcid, bool defaults, LcTypeString type)
      => (mojo_base.mojom.String16 str);

  // Collections of locale strings.
  [EnableIf=is_win]
  enum LcTypeStrings {
    // MONTHNAME*
    kMonths,
    // ABBREVMONTHNAME*
    kShortMonths,
    // SHORTESTDAYNAME* - in blink order Sunday - Monday.
    kShortWeekDays,
    // 1159,2359
    kAmPm,
  };

  // Returns a collection of strings, selected by `collection`.
  [Sync, EnableIf=is_win, RuntimeFeature=kWinSboxProxyLocale]
  LocaleStrings(uint32 lcid, bool defaults, LcTypeStrings collection)
      => (array<mojo_base.mojom.String16> strings);
};