// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
module blink.mojom;
// These values map to the features which can be controlled by Document Policy.
enum DocumentPolicyFeature {
kDefault = 0,
// Controls access to font-display attribute in @font-face CSS rule
// kFontDisplay = 1, // Removed.
// Takes a parameter, |bpp|, i.e. byte-per-pixel ratio, that images
// needs to obey.
// kLosslessImagesMaxBpp = 2, // Removed.
// Controls whether the browser should allow navigations that cause the page to scroll.
kForceLoadAtTop = 3,
// Takes a parameter, |bpp|, i.e. byte-per-pixel ratio, that images
// needs to obey.
// kLosslessImagesStrictMaxBpp = 4, // Removed.
// kLossyImagesMaxBpp = 5, // Removed.
// Takes a parameter, |scale_ratio|, and restricts source image sizes to be
// no more than |scale_ratio| x larger than the image's containing block.
// kOversizedImages = 6, // Removed.
// Controls the layout size of intrinsically sized images and videos. When
// disabled, default size (300 x 150) is used to prevent relayout.
// kUnsizedMedia = 7, // Removed.
// Restricts the usage of layout-causing animations in a document.
// kLayoutAnimations = 8, // Removed.
// Controls the ability of the document to use several dynamic markup API
// which interfere with document's input stream (document.write(),
// document.close(), etc.).
// kDocumentWrite = 9, // Removed.
// Controls whether synchronous script elements will run.
// kSyncScript = 10, // Removed.
// Controls whether or not the JS Self-Profiling API is enabled.
kJSProfiling = 11,
// Controls use of synchronous XMLHTTPRequest API.
kSyncXHR = 12,
// Slot 13 (kDocumentDomain) was removed. Do not re-use its number.
// Controls whether or not to include javascript stack traces in crash reports
// from the Reporting API.
kIncludeJSCallStacksInCrashReports = 14,
// Don't change assigned numbers of any item, and don't reuse removed slots.
// Add new features at the end of the enum.
// Also, run update_document_policy_enum.py in
// chromium/src/tools/metrics/histograms/ to update the UMA mapping.
};
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