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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/graphics/paint/display_item_list.h"
#include "third_party/blink/renderer/platform/graphics/logging_canvas.h"
#include "third_party/blink/renderer/platform/graphics/paint/drawing_display_item.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_chunk.h"
namespace blink {
DisplayItemList::Range<DisplayItemList::iterator>
DisplayItemList::ItemsInPaintChunk(const PaintChunk& paint_chunk) {
return Range<iterator>(begin() + paint_chunk.begin_index,
begin() + paint_chunk.end_index);
}
DisplayItemList::Range<DisplayItemList::const_iterator>
DisplayItemList::ItemsInPaintChunk(const PaintChunk& paint_chunk) const {
return Range<const_iterator>(begin() + paint_chunk.begin_index,
begin() + paint_chunk.end_index);
}
#if DCHECK_IS_ON()
std::unique_ptr<JSONArray> DisplayItemList::SubsequenceAsJSON(
size_t begin_index,
size_t end_index,
JsonFlags flags) const {
auto json_array = JSONArray::Create();
AppendSubsequenceAsJSON(begin_index, end_index, flags, *json_array);
return json_array;
}
void DisplayItemList::AppendSubsequenceAsJSON(size_t begin_index,
size_t end_index,
JsonFlags flags,
JSONArray& json_array) const {
for (size_t i = begin_index; i < end_index; ++i) {
std::unique_ptr<JSONObject> json = JSONObject::Create();
const auto& item = (*this)[i];
json->SetInteger("index", i);
if (flags & kShownOnlyDisplayItemTypes) {
json->SetString("type", DisplayItem::TypeAsDebugString(item.GetType()));
} else {
json->SetString("clientDebugName", item.Client().SafeDebugName(
flags & kClientKnownToBeAlive));
if (flags & kClientKnownToBeAlive) {
json->SetString("invalidation",
PaintInvalidationReasonToString(
item.Client().GetPaintInvalidationReason()));
}
item.PropertiesAsJSON(*json);
}
#if DCHECK_IS_ON()
if ((flags & kShowPaintRecords) && item.IsDrawing()) {
const auto& drawing_item = static_cast<const DrawingDisplayItem&>(item);
if (const auto* record = drawing_item.GetPaintRecord().get())
json->SetArray("record", RecordAsJSON(*record));
}
#endif
json_array.PushObject(std::move(json));
}
}
#endif // DCHECK_IS_ON()
} // namespace blink
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