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// 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 <string>
#include "ui/base/template_expressions.h"
namespace base {
class FilePath;
namespace extensions {
// Information about a bundled component extension resource.
struct ComponentExtensionResourceInfo {
// The resource's ID.
int resource_id = 0;
// Whether the resource is stored gzipped. Note that only serving from the
// chrome-extensions:// scheme can support gzipped resources. User scripts,
// injected scripts and images may not be gzipped.
bool gzipped = false;
// This class manages which extension resources actually come from
// the resource bundle.
class ComponentExtensionResourceManager {
virtual ~ComponentExtensionResourceManager() {}
// Checks whether image is a component extension resource. Returns false
// if a given |resource| does not have a corresponding image in bundled
// resources. Otherwise fills |resource_id|. This doesn't check if the
// extension the resource is in is actually a component extension.
virtual bool IsComponentExtensionResource(
const base::FilePath& extension_path,
const base::FilePath& resource_path,
ComponentExtensionResourceInfo* resource_info) const = 0;
// Returns the i18n template replacements for a component extension if they
// exist, or nullptr otherwise. If non-null, the returned value must remain
// valid for the life of this ComponentExtensionResourceManager.
virtual const ui::TemplateReplacements* GetTemplateReplacementsForExtension(
const std::string& extension_id) const = 0;
} // namespace extensions