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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/common/manifest_handlers/icons_handler.h"
#include <memory>
#include <vector>
#include "base/files/file_util.h"
#include "base/lazy_instance.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/common/file_util.h"
#include "extensions/common/image_util.h"
#include "extensions/common/manifest_constants.h"
#include "extensions/common/manifest_handler_helpers.h"
#include "extensions/common/manifest_handlers/icon_variants_handler.h"
#include "extensions/strings/grit/extensions_strings.h"
#include "ui/gfx/geometry/size.h"
namespace extensions {
namespace keys = manifest_keys;
static base::LazyInstance<ExtensionIconSet>::DestructorAtExit g_empty_icon_set =
LAZY_INSTANCE_INITIALIZER;
IconsHandler::IconsHandler() = default;
IconsHandler::~IconsHandler() = default;
// static
const ExtensionIconSet& IconsInfo::GetIcons(
const Extension& extension,
std::optional<ExtensionIconVariant::ColorScheme> color_scheme) {
// Prefer `icon_variants` over `icons`.
const IconVariantsInfo* icon_variants_info =
IconVariantsInfo::GetIconVariants(extension);
if (icon_variants_info) {
return icon_variants_info->Get(color_scheme);
}
IconsInfo* info =
static_cast<IconsInfo*>(extension.GetManifestData(keys::kIcons));
return info ? info->icons : g_empty_icon_set.Get();
}
// static
ExtensionResource IconsInfo::GetIconResource(
const Extension* extension,
int size_in_px,
ExtensionIconSet::Match match_type,
ExtensionIconVariant::ColorScheme color_scheme) {
const std::string& path =
GetIcons(*extension, color_scheme).Get(size_in_px, match_type);
return path.empty() ? ExtensionResource() : extension->GetResource(path);
}
// static
GURL IconsInfo::GetIconURL(const Extension* extension,
int size_in_px,
ExtensionIconSet::Match match_type,
ExtensionIconVariant::ColorScheme color_scheme) {
const std::string& path =
GetIcons(*extension, color_scheme).Get(size_in_px, match_type);
return path.empty() ? GURL() : extension->GetResourceURL(path);
}
bool IconsHandler::Parse(Extension* extension, std::u16string* error) {
std::unique_ptr<IconsInfo> icons_info(new IconsInfo);
const base::Value::Dict* icons_dict =
extension->manifest()->available_values().FindDict(keys::kIcons);
if (!icons_dict) {
*error = manifest_errors::kInvalidIcons;
return false;
}
std::vector<std::string> warnings;
if (!manifest_handler_helpers::LoadIconsFromDictionary(
*icons_dict, &icons_info->icons, error, &warnings)) {
return false;
}
for (const auto& warning : warnings) {
extension->AddInstallWarning(InstallWarning(warning, keys::kIcons));
}
extension->SetManifestData(keys::kIcons, std::move(icons_info));
return true;
}
bool IconsHandler::Validate(const Extension* extension,
std::string* error,
std::vector<InstallWarning>* warnings) const {
// Analyze the icons for visibility using the default toolbar color, since
// the majority of Chrome users don't modify their theme.
return file_util::ValidateExtensionIconSet(
IconsInfo::GetIcons(extension), extension, manifest_keys::kIcons, error);
}
base::span<const char* const> IconsHandler::Keys() const {
static constexpr const char* kKeys[] = {keys::kIcons};
return kKeys;
}
} // namespace extensions
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