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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/enterprise/watermarking/content/watermark_text_container.h"
#include <utility>
#include "components/enterprise/watermarking/mojom/watermark.mojom.h"
#include "third_party/skia/include/core/SkSerialProcs.h"
#include "third_party/skia/include/core/SkStream.h"
namespace enterprise_watermark {
WatermarkTextContainer::WatermarkTextContainer(content::WebContents* contents)
: content::WebContentsUserData<WatermarkTextContainer>(*contents),
block_width_(0),
block_height_(0) {}
void WatermarkTextContainer::SetWatermarkText(sk_sp<SkPicture> picture,
int block_width,
int block_height) {
picture_ = picture;
block_width_ = block_width;
block_height_ = block_height;
}
watermark::mojom::WatermarkBlockPtr WatermarkTextContainer::Serialize() const {
if (!picture_ || block_width_ == 0 || block_height_ == 0) {
return nullptr;
}
SkDynamicMemoryWStream stream;
SkSerialProcs procs;
picture_->serialize(&stream, &procs);
base::MappedReadOnlyRegion region_mapping =
base::ReadOnlySharedMemoryRegion::Create(stream.bytesWritten());
if (!region_mapping.IsValid()) {
return nullptr;
}
stream.copyTo(region_mapping.mapping.memory());
return watermark::mojom::WatermarkBlockPtr(std::in_place,
std::move(region_mapping.region),
block_width_, block_height_);
}
WatermarkTextContainer::~WatermarkTextContainer() = default;
WEB_CONTENTS_USER_DATA_KEY_IMPL(WatermarkTextContainer);
} // namespace enterprise_watermark
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