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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_FlushType_h
#define mozilla_FlushType_h
#include <stdint.h>
#include "X11UndefineNone.h"
#include "mozilla/EnumeratedArray.h"
namespace mozilla {
/**
* This is the enum used by Document::FlushPendingNotifications to
* decide what to flush.
*
* Please note that if you change these values, you should sync it with the
* kFlushTypeNames array below.
*/
enum class FlushType : uint8_t {
None, /* Actually don't flush anything */
Event, /* Flush pending events before notify other observers */
Content, /* flush the content model construction */
ContentAndNotify, /* As above, plus flush the frame model
construction and other nsIMutationObserver
notifications. */
Style, /* As above, plus flush style reresolution */
Frames, /* As above, plus flush frame construction */
EnsurePresShellInitAndFrames, /* As above, plus ensure the pres shell is alive
*/
InterruptibleLayout, /* As above, plus flush reflow, but allow it to be
interrupted (so an incomplete layout may result) */
Layout, /* As above, but layout must run to completion */
Display, /* As above, plus flush painting */
Count
};
// Flush type strings that will be displayed in the profiler
// clang-format off
const EnumeratedArray<FlushType, const char*, size_t(FlushType::Count)>
kFlushTypeNames = {
"",
"Event",
"Content",
"ContentAndNotify",
"Style",
// As far as the profiler is concerned, EnsurePresShellInitAndFrames and
// Frames are the same
"Style",
"Style",
"InterruptibleLayout",
"Layout",
"Display"
};
// clang-format on
struct ChangesToFlush {
ChangesToFlush(FlushType aFlushType, bool aFlushAnimations,
bool aUpdateRelevancy)
: mFlushType(aFlushType),
mFlushAnimations(aFlushAnimations),
mUpdateRelevancy(aUpdateRelevancy) {
MOZ_ASSERT_IF(mUpdateRelevancy, mFlushType >= FlushType::Layout);
}
FlushType mFlushType;
bool mFlushAnimations;
bool mUpdateRelevancy;
};
} // namespace mozilla
#endif // mozilla_FlushType_h
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