electron/shell/browser/extensions/electron_component_extensio...

111 lines
4.0 KiB
C++

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "shell/browser/extensions/electron_component_extension_resource_manager.h"
#include <string>
#include <utility>
#include "base/containers/contains.h"
#include "base/path_service.h"
#include "base/values.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/grit/component_extension_resources_map.h"
#include "electron/buildflags/buildflags.h"
#if BUILDFLAG(ENABLE_PDF_VIEWER)
#include "chrome/browser/pdf/pdf_extension_util.h" // nogncheck
#include "chrome/grit/pdf_resources_map.h"
#include "extensions/common/constants.h"
#endif
namespace extensions {
ElectronComponentExtensionResourceManager::
ElectronComponentExtensionResourceManager() {
AddComponentResourceEntries(kComponentExtensionResources,
kComponentExtensionResourcesSize);
#if BUILDFLAG(ENABLE_PDF_VIEWER)
AddComponentResourceEntries(kPdfResources, kPdfResourcesSize);
// Register strings for the PDF viewer, so that $i18n{} replacements work.
base::Value::Dict pdf_strings;
pdf_extension_util::AddStrings(
pdf_extension_util::PdfViewerContext::kPdfViewer, &pdf_strings);
pdf_extension_util::AddAdditionalData(false, true, &pdf_strings);
ui::TemplateReplacements pdf_viewer_replacements;
ui::TemplateReplacementsFromDictionaryValue(pdf_strings,
&pdf_viewer_replacements);
extension_template_replacements_[extension_misc::kPdfExtensionId] =
std::move(pdf_viewer_replacements);
#endif
}
ElectronComponentExtensionResourceManager::
~ElectronComponentExtensionResourceManager() = default;
bool ElectronComponentExtensionResourceManager::IsComponentExtensionResource(
const base::FilePath& extension_path,
const base::FilePath& resource_path,
int* resource_id) const {
base::FilePath directory_path = extension_path;
base::FilePath resources_dir;
base::FilePath relative_path;
if (!base::PathService::Get(chrome::DIR_RESOURCES, &resources_dir) ||
!resources_dir.AppendRelativePath(directory_path, &relative_path)) {
return false;
}
relative_path = relative_path.Append(resource_path);
relative_path = relative_path.NormalizePathSeparators();
auto entry = path_to_resource_id_.find(relative_path);
if (entry != path_to_resource_id_.end()) {
*resource_id = entry->second;
return true;
}
return false;
}
const ui::TemplateReplacements*
ElectronComponentExtensionResourceManager::GetTemplateReplacementsForExtension(
const std::string& extension_id) const {
auto it = extension_template_replacements_.find(extension_id);
if (it == extension_template_replacements_.end()) {
return nullptr;
}
return &it->second;
}
void ElectronComponentExtensionResourceManager::AddComponentResourceEntries(
const webui::ResourcePath* entries,
size_t size) {
base::FilePath gen_folder_path = base::FilePath().AppendASCII(
"@out_folder@/gen/chrome/browser/resources/");
gen_folder_path = gen_folder_path.NormalizePathSeparators();
for (size_t i = 0; i < size; ++i) {
base::FilePath resource_path =
base::FilePath().AppendASCII(entries[i].path);
resource_path = resource_path.NormalizePathSeparators();
if (!gen_folder_path.IsParent(resource_path)) {
DCHECK(!base::Contains(path_to_resource_id_, resource_path));
path_to_resource_id_[resource_path] = entries[i].id;
} else {
// If the resource is a generated file, strip the generated folder's path,
// so that it can be served from a normal URL (as if it were not
// generated).
base::FilePath effective_path =
base::FilePath().AppendASCII(resource_path.AsUTF8Unsafe().substr(
gen_folder_path.value().length()));
DCHECK(!base::Contains(path_to_resource_id_, effective_path));
path_to_resource_id_[effective_path] = entries[i].id;
}
}
}
} // namespace extensions