gecko-dev/layout/style/LayerAnimationInfo.h

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1.4 KiB
C++

/* -*- 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_LayerAnimationInfo_h
#define mozilla_LayerAnimationInfo_h
#include "nsChangeHint.h"
#include "nsCSSPropertyID.h"
#include "nsCSSPropertyIDSet.h"
#include "nsDisplayList.h" // For nsDisplayItem::Type
namespace mozilla {
struct LayerAnimationInfo {
#ifdef DEBUG
static void Initialize();
#endif
// For CSS properties that may be animated on a separate layer, represents
// a record of the corresponding layer type and change hint.
struct Record {
nsCSSPropertyID mProperty;
DisplayItemType mDisplayItemType;
nsChangeHint mChangeHint;
};
// Returns the corresponding display item type for |aProperty| when it is
// animated on the compositor.
// Returns DisplayItemType::TYPE_ZERO if |aProperty| cannot be animated on the
// compositor.
static DisplayItemType
GetDisplayItemTypeForProperty(nsCSSPropertyID aProperty);
static const size_t kRecords =
nsCSSPropertyIDSet::CompositorAnimatableCount();
static const Record sRecords[kRecords];
};
} // namespace mozilla
#endif /* !defined(mozilla_LayerAnimationInfo_h) */