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// Copyright 2020 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/paint_preview/common/proto_validator.h"
namespace paint_preview {
namespace {
bool RectProtoValid(const RectProto& rect) {
return rect.has_x() && rect.has_y() && rect.has_width() && rect.has_height();
}
bool LinkDataProtoValid(const LinkDataProto& link_data) {
return link_data.has_rect() && link_data.has_url() &&
RectProtoValid(link_data.rect());
}
bool ContentIdEmbeddingTokenPairProtoValid(
const ContentIdEmbeddingTokenPairProto& content_id_embedding_token_pair) {
return content_id_embedding_token_pair.has_content_id() &&
content_id_embedding_token_pair.has_embedding_token_low() &&
content_id_embedding_token_pair.has_embedding_token_high();
}
bool PaintPreviewFrameProtoValid(
const PaintPreviewFrameProto& paint_preview_frame) {
if (!paint_preview_frame.has_embedding_token_low() ||
!paint_preview_frame.has_embedding_token_high() ||
!paint_preview_frame.has_is_main_frame()) {
return false;
}
for (const LinkDataProto& link_data : paint_preview_frame.links()) {
if (!LinkDataProtoValid(link_data)) {
return false;
}
}
for (const ContentIdEmbeddingTokenPairProto& content_id_embedding_token_pair :
paint_preview_frame.content_id_to_embedding_tokens()) {
if (!ContentIdEmbeddingTokenPairProtoValid(
content_id_embedding_token_pair)) {
return false;
}
}
return true;
}
bool MetadataProtoValid(const MetadataProto& metadata) {
return metadata.has_url();
}
} // namespace
bool PaintPreviewProtoValid(const PaintPreviewProto& paint_preview) {
if (!paint_preview.has_metadata() || !paint_preview.has_root_frame() ||
!MetadataProtoValid(paint_preview.metadata()) ||
!PaintPreviewFrameProtoValid(paint_preview.root_frame())) {
return false;
}
for (const PaintPreviewFrameProto& subframe : paint_preview.subframes()) {
if (!PaintPreviewFrameProtoValid(subframe)) {
return false;
}
}
return true;
}
} // namespace paint_preview
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