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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Portions copyright 2013 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 EXTENSIONS_CLIENT_QT_H
#define EXTENSIONS_CLIENT_QT_H
#include "extensions/common/extensions_client.h"
#include "base/compiler_specific.h"
#include "base/lazy_instance.h"
#include "base/macros.h"
#include "chrome/common/extensions/permissions/chrome_permission_message_provider.h"
#include "extensions/common/features/feature_provider.h"
#include "extensions/common/features/json_feature_provider_source.h"
#include "extensions/common/permissions/extensions_api_permissions.h"
#include "url/gurl.h"
namespace extensions {
// Sets up global state for the extensions system. Should be Set() once in each
// process. This should be implemented by the client of the extensions system.
class ExtensionsClientQt : public ExtensionsClient
{
public:
ExtensionsClientQt();
virtual ~ExtensionsClientQt() {}
// Initializes global state. Not done in the constructor because unit tests
// can create additional ExtensionsClients because the utility thread runs
// in-process.
void Initialize() override;
void InitializeWebStoreUrls(base::CommandLine *command_line) override;
// Returns the global PermissionMessageProvider to use to provide permission
// warning strings.
const PermissionMessageProvider &GetPermissionMessageProvider() const override;
// Returns the application name. For example, "Chromium" or "app_shell".
const std::string GetProductName() override;
// Takes the list of all hosts and filters out those with special
// permission strings. Adds the regular hosts to |new_hosts|,
// and adds any additional permissions to |permissions|.
// TODO(sashab): Split this function in two: One to filter out ignored host
// permissions, and one to get permissions for the given hosts.
void FilterHostPermissions(const URLPatternSet &hosts,
URLPatternSet *new_hosts,
PermissionIDSet *permissions) const override;
// Replaces the scripting whitelist with |whitelist|. Used in the renderer;
// only used for testing in the browser process.
void SetScriptingWhitelist(const ScriptingWhitelist &whitelist) override;
// Return the whitelist of extensions that can run content scripts on
// any origin.
const ScriptingWhitelist &GetScriptingWhitelist() const override;
// Get the set of chrome:// hosts that |extension| can run content scripts on.
URLPatternSet GetPermittedChromeSchemeHosts(const Extension *extension,
const APIPermissionSet &api_permissions) const override;
// Returns false if content scripts are forbidden from running on |url|.
bool IsScriptableURL(const GURL &url, std::string *error) const override;
// Determines if certain fatal extensions errors should be surpressed
// (i.e., only logged) or allowed (i.e., logged before crashing).
bool ShouldSuppressFatalErrors() const override;
// Records that a fatal error was caught and suppressed. It is expected that
// embedders will only do so if ShouldSuppressFatalErrors at some point
// returned true.
void RecordDidSuppressFatalError() override;
// Returns the base webstore URL prefix.
const GURL &GetWebstoreBaseURL() const override;
// Returns the URL to use for update manifest queries.
const GURL &GetWebstoreUpdateURL() const override;
// Returns a flag indicating whether or not a given URL is a valid
// extension blacklist URL.
bool IsBlacklistUpdateURL(const GURL &url) const override;
// Returns the set of file paths corresponding to any images within an
// extension's contents that may be displayed directly within the browser UI
// or WebUI, such as icons or theme images. This set of paths is used by the
// extension unpacker to determine which assets should be transcoded safely
// within the utility sandbox.
//
// The default implementation returns the images used as icons for the
// extension itself, so implementors of ExtensionsClient overriding this may
// want to call the base class version and then add additional paths to that
// result.
std::set<base::FilePath> GetBrowserImagePaths(const Extension *extension) override;
// Get the LazyInstance for ChromeExtensionsClient.
static ExtensionsClientQt *GetInstance();
private:
ScriptingWhitelist scripting_whitelist_;
const ChromePermissionMessageProvider permission_message_provider_;
mutable GURL update_url_;
mutable GURL base_url_;
DISALLOW_COPY_AND_ASSIGN(ExtensionsClientQt);
};
} // namespace extensions
#endif // EXTENSIONS_CLIENT_QT_H
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