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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.
// Defines the Chrome Extensions Clear API functions, which entail
// clearing browsing data, and clearing the browser's cache (which, let's be
// honest, are the same thing), as specified in the extension API JSON.
#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_CLEAR_API_H_
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_CLEAR_API_H_
#pragma once
#include <string>
#include "chrome/browser/browsing_data_remover.h"
#include "chrome/browser/extensions/extension_function.h"
class PluginPrefs;
namespace extension_clear_api_constants {
// Keys.
extern const char kAppCacheKey[];
extern const char kCacheKey[];
extern const char kCookiesKey[];
extern const char kDownloadsKey[];
extern const char kFileSystemsKey[];
extern const char kFormDataKey[];
extern const char kHistoryKey[];
extern const char kIndexedDBKey[];
extern const char kPluginDataKey[];
extern const char kLocalStorageKey[];
extern const char kPasswordsKey[];
extern const char kWebSQLKey[];
// Errors!
extern const char kOneAtATimeError[];
} // namespace extension_clear_api_constants
// This serves as a base class from which the browsing data API functions will
// inherit. Each needs to be an observer of BrowsingDataRemover events, and each
// will handle those events in the same way (by calling the passed-in callback
// function).
//
// Each child class must implement GetRemovalMask(), which returns the bitmask
// of data types to remove.
class BrowsingDataExtensionFunction : public AsyncExtensionFunction,
public BrowsingDataRemover::Observer {
public:
// BrowsingDataRemover::Observer interface method.
virtual void OnBrowsingDataRemoverDone() OVERRIDE;
// AsyncExtensionFunction interface method.
virtual bool RunImpl() OVERRIDE;
protected:
// Children should override this method to provide the proper removal mask
// based on the API call they represent.
virtual int GetRemovalMask() const = 0;
private:
// Updates the removal bitmask according to whether removing plugin data is
// supported or not.
void CheckRemovingPluginDataSupported(
scoped_refptr<PluginPrefs> plugin_prefs);
// Called when we're ready to start removing data.
void StartRemoving();
base::Time remove_since_;
int removal_mask_;
};
class ClearAppCacheFunction : public BrowsingDataExtensionFunction {
public:
ClearAppCacheFunction() {}
virtual ~ClearAppCacheFunction() {}
protected:
// BrowsingDataTypeExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.appcache")
};
class ClearBrowsingDataFunction : public BrowsingDataExtensionFunction {
public:
ClearBrowsingDataFunction() {}
virtual ~ClearBrowsingDataFunction() {}
protected:
// BrowsingDataExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.browsingData")
};
class ClearCacheFunction : public BrowsingDataExtensionFunction {
public:
ClearCacheFunction() {}
virtual ~ClearCacheFunction() {}
protected:
// BrowsingDataTypeExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.cache")
};
class ClearCookiesFunction : public BrowsingDataExtensionFunction {
public:
ClearCookiesFunction() {}
virtual ~ClearCookiesFunction() {}
protected:
// BrowsingDataTypeExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.cookies")
};
class ClearDownloadsFunction : public BrowsingDataExtensionFunction {
public:
ClearDownloadsFunction() {}
virtual ~ClearDownloadsFunction() {}
protected:
// BrowsingDataTypeExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.downloads")
};
class ClearFileSystemsFunction : public BrowsingDataExtensionFunction {
public:
ClearFileSystemsFunction() {}
virtual ~ClearFileSystemsFunction() {}
protected:
// BrowsingDataTypeExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.fileSystems")
};
class ClearFormDataFunction : public BrowsingDataExtensionFunction {
public:
ClearFormDataFunction() {}
virtual ~ClearFormDataFunction() {}
protected:
// BrowsingDataTypeExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.formData")
};
class ClearHistoryFunction : public BrowsingDataExtensionFunction {
public:
ClearHistoryFunction() {}
virtual ~ClearHistoryFunction() {}
protected:
// BrowsingDataTypeExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.history")
};
class ClearIndexedDBFunction : public BrowsingDataExtensionFunction {
public:
ClearIndexedDBFunction() {}
virtual ~ClearIndexedDBFunction() {}
protected:
// BrowsingDataTypeExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.indexedDB")
};
class ClearLocalStorageFunction : public BrowsingDataExtensionFunction {
public:
ClearLocalStorageFunction() {}
virtual ~ClearLocalStorageFunction() {}
protected:
// BrowsingDataTypeExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.localStorage")
};
class ClearPluginDataFunction : public BrowsingDataExtensionFunction {
public:
ClearPluginDataFunction() {}
virtual ~ClearPluginDataFunction() {}
protected:
// BrowsingDataTypeExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.pluginData")
};
class ClearPasswordsFunction : public BrowsingDataExtensionFunction {
public:
ClearPasswordsFunction() {}
virtual ~ClearPasswordsFunction() {}
protected:
// BrowsingDataTypeExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.passwords")
};
class ClearWebSQLFunction : public BrowsingDataExtensionFunction {
public:
ClearWebSQLFunction() {}
virtual ~ClearWebSQLFunction() {}
protected:
// BrowsingDataTypeExtensionFunction interface method.
virtual int GetRemovalMask() const OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.webSQL")
};
#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_CLEAR_API_H_
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