cc/paint/skottie_resource_metadata.cc

   1 // Copyright 2021 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/paint/skottie_resource_metadata.h"
   6
   7 #include <utility>
   8
   9 #include "base/check.h"
  10 #include "base/hash/hash.h"
  11 #include "base/logging.h"
  12 #include "base/strings/utf_string_conversions.h"
  13
  14 namespace cc {
  15
  16 SkottieResourceMetadataMap::ImageAssetMetadata::ImageAssetMetadata(
  17     base::FilePath resource_path_in,
  18     absl::optional<gfx::Size> size_in)
  19     : resource_path(std::move(resource_path_in)), size(std::move(size_in)) {}
  20
  21 SkottieResourceMetadataMap::SkottieResourceMetadataMap() = default;
  22
  23 SkottieResourceMetadataMap::SkottieResourceMetadataMap(
  24     const SkottieResourceMetadataMap&) = default;
  25
  26 SkottieResourceMetadataMap& SkottieResourceMetadataMap::operator=(
  27     const SkottieResourceMetadataMap&) = default;
  28
  29 SkottieResourceMetadataMap::~SkottieResourceMetadataMap() = default;
  30
  31 bool SkottieResourceMetadataMap::RegisterAsset(base::StringPiece resource_path,
  32                                                base::StringPiece resource_name,
  33                                                base::StringPiece resource_id,
  34                                                absl::optional<gfx::Size> size) {
  35   DCHECK(!size || !size->IsEmpty());
  36   if (resource_id.empty()) {
  37     LOG(ERROR) << "Skottie animation has asset with empty resource_id";
  38     return false;
  39   }
  40
  41   base::FilePath resource_name_component =
  42       base::FilePath::FromASCII(resource_name);
  43   if (resource_name_component.IsAbsolute()) {
  44     // If the path is absolute, base::FilePath::Append() will fail anyways,
  45     // likely with a fatal error.
  46     LOG(ERROR) << "Skottie animation specifies an absolute resource_name path: "
  47                << resource_name << ". Must be relative.";
  48     return false;
  49   }
  50
  51   bool inserted = asset_storage_
  52                       .try_emplace(std::string(resource_id),
  53                                    base::FilePath::FromASCII(resource_path)
  54                                        .Append(resource_name_component),
  55                                    std::move(size))
  56                       .second;
  57   if (!inserted) {
  58     LOG(ERROR) << "Skottie animation has assets with duplicate resource_id: "
  59                << resource_id;
  60   }
  61   return inserted;
  62 }
  63
  64 SkottieResourceIdHash HashSkottieResourceId(base::StringPiece resource_id) {
  65   return SkottieResourceIdHash::FromUnsafeValue(
  66       base::PersistentHash(resource_id.data(), resource_id.length()));
  67 }
  68
  69 }  // namespace cc