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#include "dynamic_depth/image.h"
#include "android-base/logging.h"
#include "dynamic_depth/const.h"
#include "dynamic_depth/item.h"
using photos_editing_formats::dynamic_depth::Item;
using photos_editing_formats::xml::Deserializer;
using photos_editing_formats::xml::Serializer;
namespace photos_editing_formats {
namespace dynamic_depth {
namespace {
constexpr char kItemUri[] = "ItemURI";
constexpr char kItemSemantic[] = "ItemSemantic";
constexpr char kNamespaceHref[] = "http://ns.google.com/photos/dd/1.0/image/";
constexpr char kPrimaryImagePlaceholderItemUri[] = "primary_image";
constexpr char kItemSemanticPrimary[] = "Primary";
constexpr char kItemSemanticOriginal[] = "Original";
constexpr char kItemSemanticPrimaryLower[] = "primary";
string ItemSemanticToString(ImageItemSemantic item_semantic) {
switch (item_semantic) {
case ImageItemSemantic::kPrimary:
return kItemSemanticPrimary;
case ImageItemSemantic::kOriginal:
return kItemSemanticOriginal;
}
}
ImageItemSemantic StringToItemSemantic(const string& item_semantic_str) {
string item_semantic_str_lower = item_semantic_str;
std::transform(item_semantic_str_lower.begin(), item_semantic_str_lower.end(),
item_semantic_str_lower.begin(), ::tolower);
if (kItemSemanticPrimaryLower == item_semantic_str_lower) {
return ImageItemSemantic::kPrimary;
}
// Don't fail, default to Original.
return ImageItemSemantic::kOriginal;
}
} // namespace
// Private constructor.
Image::Image() {}
// Public methods.
void Image::GetNamespaces(
std::unordered_map<string, string>* ns_name_href_map) {
if (ns_name_href_map == nullptr) {
LOG(ERROR) << "Namespace list or own namespace is null";
return;
}
ns_name_href_map->emplace(DynamicDepthConst::Image(), kNamespaceHref);
}
std::unique_ptr<Image> Image::FromData(
const string& data, const string& mime, const string& item_uri,
std::vector<std::unique_ptr<Item>>* items) {
if (data.empty() || mime.empty()) {
LOG(ERROR) << "No image data or mimetype given";
return nullptr;
}
if (item_uri.empty()) {
LOG(ERROR) << "Item URI must be provided";
return nullptr;
}
if (items == nullptr) {
LOG(ERROR) << "List of items is null";
return nullptr;
}
ItemParams item_params(mime, data.size(), item_uri);
item_params.payload_to_serialize = data;
items->emplace_back(Item::FromData(item_params));
std::unique_ptr<Image> image(std::unique_ptr<Image>(new Image())); // NOLINT
image->item_uri_ = item_uri;
image->item_semantic_ = ImageItemSemantic::kOriginal;
return image;
}
std::unique_ptr<Image> Image::FromDataForPrimaryImage(
const string& mime, std::vector<std::unique_ptr<Item>>* items) {
if (mime.empty()) {
LOG(ERROR) << "No mimetype given";
return nullptr;
}
if (items == nullptr) {
LOG(ERROR) << "List of items is null";
return nullptr;
}
ItemParams item_params(mime, 0, kPrimaryImagePlaceholderItemUri);
items->emplace_back(Item::FromData(item_params));
std::unique_ptr<Image> image(std::unique_ptr<Image>(new Image())); // NOLINT
image->item_uri_ = kPrimaryImagePlaceholderItemUri;
image->item_semantic_ = ImageItemSemantic::kPrimary;
return image;
}
std::unique_ptr<Image> Image::FromData(
const uint8_t* data, size_t data_size, const string& mime,
const string& item_uri, std::vector<std::unique_ptr<Item>>* items) {
if ((data == nullptr || data_size == 0) || mime.empty()) {
LOG(ERROR) << "No image data or mimetype given";
return nullptr;
}
if (item_uri.empty()) {
LOG(ERROR) << "Item URI must be provided";
return nullptr;
}
if (items == nullptr) {
LOG(ERROR) << "List of items is null";
return nullptr;
}
ItemParams item_params(mime, data_size, item_uri);
item_params.payload_to_serialize =
std::string(reinterpret_cast<const char*>(data), data_size);
items->emplace_back(Item::FromData(item_params));
std::unique_ptr<Image> image(std::unique_ptr<Image>(new Image())); // NOLINT
image->item_uri_ = item_uri;
image->item_semantic_ = ImageItemSemantic::kOriginal;
return image;
}
const string& Image::GetItemUri() const { return item_uri_; }
ImageItemSemantic Image::GetItemSemantic() const { return item_semantic_; }
std::unique_ptr<Image> Image::FromDeserializer(
const Deserializer& parent_deserializer) {
std::unique_ptr<Deserializer> deserializer =
parent_deserializer.CreateDeserializer(
DynamicDepthConst::Namespace(DynamicDepthConst::Image()),
DynamicDepthConst::Image());
if (deserializer == nullptr) {
return nullptr;
}
std::unique_ptr<Image> image(new Image());
if (!image->ParseImageFields(*deserializer)) {
return nullptr;
}
return image;
}
bool Image::Serialize(Serializer* serializer) const {
if (serializer == nullptr) {
LOG(ERROR) << "Serializer is null";
return false;
}
if (item_uri_.empty()) {
LOG(ERROR) << "Item URI is empty";
return false;
}
return serializer->WriteProperty(DynamicDepthConst::Image(), kItemSemantic,
ItemSemanticToString(item_semantic_)) &&
serializer->WriteProperty(DynamicDepthConst::Image(), kItemUri,
item_uri_);
}
// Private methods.
bool Image::ParseImageFields(const Deserializer& deserializer) {
string item_uri;
string item_semantic_str;
if (!deserializer.ParseString(DynamicDepthConst::Image(), kItemSemantic,
&item_semantic_str) ||
!deserializer.ParseString(DynamicDepthConst::Image(), kItemUri,
&item_uri)) {
return false;
}
item_uri_ = item_uri;
item_semantic_ = StringToItemSemantic(item_semantic_str);
return true;
}
} // namespace dynamic_depth
} // namespace photos_editing_formats
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