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// Copyright (c) 2009 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_BROWSER_EXTENSIONS_EXTENSION_PREFS_H
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H
#include <set>
#include <string>
#include <vector>
#include "base/task.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/pref_service.h"
#include "googleurl/src/gurl.h"
// Class for managing global and per-extension preferences.
// This class is instantiated by ExtensionsService, so it should be accessed
// from there.
class ExtensionPrefs {
public:
explicit ExtensionPrefs(PrefService* prefs, const FilePath& root_dir_);
// Returns a copy of the Extensions prefs.
// TODO(erikkay) Remove this so that external consumers don't need to be
// aware of the internal structure of the preferences.
DictionaryValue* CopyCurrentExtensions();
// Populate |killed_ids| with extension ids that have been killed.
void GetKilledExtensionIds(std::set<std::string>* killed_ids);
// Get the order that toolstrip URLs appear in the shelf.
typedef std::vector<GURL> URLList;
URLList GetShelfToolstripOrder();
// Sets the order that toolstrip URLs appear in the shelf.
void SetShelfToolstripOrder(const URLList& urls);
// Called when an extension is installed, so that prefs get created.
void OnExtensionInstalled(Extension* extension);
// Called when an extension is uninstalled, so that prefs get cleaned up.
void OnExtensionUninstalled(const Extension* extension,
bool external_uninstall);
// Returns base extensions install directory.
const FilePath& install_directory() const { return install_directory_; }
private:
// Converts absolute paths in the pref to paths relative to the
// install_directory_.
void MakePathsRelative();
// Converts internal relative paths to be absolute. Used for export to
// consumers who expect full paths.
void MakePathsAbsolute(DictionaryValue* dict);
// Sets the pref |key| for extension |id| to |value|.
bool UpdateExtensionPref(const std::string& id,
const std::wstring& key,
Value* value);
// Deletes the pref dictionary for extension |id|.
void DeleteExtensionPrefs(const std::string& id);
// Ensures and returns a mutable dictionary for extension |id|'s prefs.
DictionaryValue* GetOrCreateExtensionPref(const std::string& id);
// The pref service specific to this set of extension prefs.
PrefService* prefs_;
// Base extensions install directory.
FilePath install_directory_;
// The URLs of all of the toolstrips.
URLList shelf_order_;
DISALLOW_COPY_AND_ASSIGN(ExtensionPrefs);
};
// A helper class that has a list of the currently installed extensions
// and can iterate over them to a provided callback.
class InstalledExtensions {
public:
explicit InstalledExtensions(ExtensionPrefs* prefs);
~InstalledExtensions();
typedef Callback3<const std::string&,
const FilePath&,
Extension::Location>::Type Callback;
// Runs |callback| for each installed extension with the path to the
// version directory and the location.
void VisitInstalledExtensions(Callback *callback);
private:
// A copy of the extensions pref dictionary so that this can be passed
// around without a dependency on prefs.
scoped_ptr<DictionaryValue> extension_data_;
DISALLOW_COPY_AND_ASSIGN(InstalledExtensions);
};
#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H
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