chromium/third_party/blink/renderer/platform/graphics/paint/display_item.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PAINT_DISPLAY_ITEM_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PAINT_DISPLAY_ITEM_H_

#include "base/check_op.h"
#include "base/dcheck_is_on.h"
#include "third_party/blink/renderer/platform/graphics/graphics_types.h"
#include "third_party/blink/renderer/platform/graphics/paint_invalidation_reason.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/assertions.h"
#include "third_party/blink/renderer/platform/wtf/hash_functions.h"
#include "third_party/blink/renderer/platform/wtf/hash_traits.h"
#include "third_party/blink/renderer/platform/wtf/wtf_size_t.h"
#include "ui/gfx/geometry/rect.h"

#if DCHECK_IS_ON()
#include "third_party/blink/renderer/platform/json/json_values.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#endif

namespace WTF {
class String;
}  // namespace WTF

namespace blink {

class PaintArtifact;
enum class PaintPhase;

class PLATFORM_EXPORT DisplayItem { … };

inline bool operator==(const DisplayItem::Id& a, const DisplayItem::Id& b) { … }

inline bool operator!=(const DisplayItem::Id& a, const DisplayItem::Id& b) { … }

PLATFORM_EXPORT std::ostream& operator<<(std::ostream&, DisplayItem::Type);
// These are mainly for DCHECK and unit tests. They don't output debug names of
// DisplayItemClients. Use the argumented version of DisplayItem::Id::ToString()
// or DisplayItem::AsDebugString() if you want to see debug names.
PLATFORM_EXPORT std::ostream& operator<<(std::ostream&, const DisplayItem::Id&);
PLATFORM_EXPORT std::ostream& operator<<(std::ostream&, const DisplayItem&);

}  // namespace blink

namespace WTF {

template <>
struct HashTraits<blink::DisplayItem::Id::HashKey>
    : GenericHashTraits<blink::DisplayItem::Id::HashKey> { … };

}  // namespace WTF

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PAINT_DISPLAY_ITEM_H_