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// Copyright (c) 2011 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.
#ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_SET_H_
#define CHROME_COMMON_EXTENSIONS_EXTENSION_SET_H_
#pragma once
#include <map>
#include <string>
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/memory/ref_counted.h"
#include "chrome/common/extensions/extension.h"
#include "googleurl/src/gurl.h"
// The one true extension container. Extensions are identified by their id.
// Only one extension can be in the set with a given ID.
class ExtensionSet {
public:
typedef std::pair<FilePath, std::string> ExtensionPathAndDefaultLocale;
ExtensionSet();
~ExtensionSet();
// Gets the number of extensions contained.
size_t size() const;
// Returns true if the set contains the specified extension.
bool Contains(const std::string& id);
// Adds the specified extension to the set. The set becomes an owner. Any
// previous extension with the same ID is removed.
void Insert(const scoped_refptr<const Extension>& extension);
// Removes the specified extension.
void Remove(const std::string& id);
// Returns the extension ID that the given URL is a part of, or empty if
// none. This includes web URLs that are part of an extension's web extent.
std::string GetIdByURL(const GURL& url) const;
// Returns the Extension that the given URL is a part of, or NULL if none.
// This includes web URLs that are part of an extension's web extent.
// NOTE: This can return NULL if called before UpdateExtensions receives
// bulk extension data (e.g. if called from
// EventBindings::HandleContextCreated)
const Extension* GetByURL(const GURL& url) const;
// Returns true if |new_url| is in the extent of the same extension as
// |old_url|. Also returns true if neither URL is in an app.
bool InSameExtent(const GURL& old_url, const GURL& new_url) const;
// Look up an Extension object by id.
const Extension* GetByID(const std::string& id) const;
// Returns true if |url| should get extension api bindings and be permitted
// to make api calls. Note that this is independent of what extension
// permissions the given extension has been granted.
bool ExtensionBindingsAllowed(const GURL& url) const;
private:
FRIEND_TEST_ALL_PREFIXES(ExtensionSetTest, ExtensionSet);
// static
typedef std::map<std::string, scoped_refptr<const Extension> > ExtensionMap;
ExtensionMap extensions_;
DISALLOW_COPY_AND_ASSIGN(ExtensionSet);
};
#endif // CHROME_COMMON_EXTENSIONS_EXTENSION_SET_H_
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