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// based on chrome/browser/extensions/chrome_component_extension_resource_manager.cc:
// 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 "component_extension_resource_manager_qt.h"

#include "base/logging.h"
#include "base/path_service.h"
#include "chrome/grit/component_extension_resources_map.h"

namespace extensions {

ComponentExtensionResourceManagerQt::ComponentExtensionResourceManagerQt()
{
    AddComponentResourceEntries(kComponentExtensionResources,
                                kComponentExtensionResourcesSize);
}

ComponentExtensionResourceManagerQt::~ComponentExtensionResourceManagerQt() {}

bool ComponentExtensionResourceManagerQt::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(base::DIR_QT_LIBRARY_DATA, &resources_dir)
            || !resources_dir.AppendRelativePath(directory_path, &relative_path)) {
        return false;
    }

    relative_path = relative_path.Append(resource_path);
    relative_path = relative_path.NormalizePathSeparators();

    std::map<base::FilePath, int>::const_iterator entry = path_to_resource_id_.find(relative_path);
    if (entry != path_to_resource_id_.end())
        *resource_id = entry->second;

    return entry != path_to_resource_id_.end();
}

const ui::TemplateReplacements *ComponentExtensionResourceManagerQt::GetTemplateReplacementsForExtension(const std::string &) const
{
    return nullptr;
}

void ComponentExtensionResourceManagerQt::AddComponentResourceEntries(const GritResourceMap *entries, size_t size)
{
    for (size_t i = 0; i < size; ++i) {
        base::FilePath resource_path = base::FilePath().AppendASCII(entries[i].name);
        resource_path = resource_path.NormalizePathSeparators();

        DCHECK(path_to_resource_id_.find(resource_path) == path_to_resource_id_.end());
        path_to_resource_id_[resource_path] = entries[i].value;
    }
}

} // namespace extensions