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// Copyright 2015 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 COMPONENTS_COMPONENT_UPDATER_CONFIGURATOR_IMPL_H_
#define COMPONENTS_COMPONENT_UPDATER_CONFIGURATOR_IMPL_H_
#include <string>
#include <vector>
#include "base/macros.h"
#include "url/gurl.h"
namespace base {
class CommandLine;
class Version;
}
namespace net {
class URLRequestContextGetter;
}
namespace component_updater {
// Helper class for the implementations of update_client::Configurator.
// Can be used both on iOS and other platforms.
class ConfiguratorImpl {
public:
ConfiguratorImpl(const base::CommandLine* cmdline,
net::URLRequestContextGetter* url_request_getter);
~ConfiguratorImpl();
// Delay in seconds from calling Start() to the first update check.
int InitialDelay() const;
// Delay in seconds to every subsequent update check. 0 means don't check.
int NextCheckDelay() const;
// Delay in seconds from each task step. Used to smooth out CPU/IO usage.
int StepDelay() const;
// Minimum delta time in seconds before an on-demand check is allowed for the
// same component.
int OnDemandDelay() const;
// The time delay in seconds between applying updates for different
// components.
int UpdateDelay() const;
// The URLs for the update checks. The URLs are tried in order, the first one
// that succeeds wins.
std::vector<GURL> UpdateUrl() const;
// The URLs for pings. Returns an empty vector if and only if pings are
// disabled. Similarly, these URLs have a fall back behavior too.
std::vector<GURL> PingUrl() const;
// Version of the application. Used to compare the component manifests.
base::Version GetBrowserVersion() const;
// Returns the OS's long name like "Windows", "Mac OS X", etc.
std::string GetOSLongName() const;
// Parameters added to each url request. It can be empty if none are needed.
// The return string must be safe for insertion as an attribute in an
// XML element.
std::string ExtraRequestParams() const;
// Provides a hint for the server to control the order in which multiple
// download urls are returned.
std::string GetDownloadPreference() const;
// The source of contexts for all the url requests.
net::URLRequestContextGetter* RequestContext() const;
// True means that this client can handle delta updates.
bool DeltasEnabled() const;
// True means that the background downloader can be used for downloading
// non on-demand components.
bool UseBackgroundDownloader() const;
private:
net::URLRequestContextGetter* url_request_getter_;
std::string extra_info_;
GURL url_source_override_;
bool fast_update_;
bool pings_enabled_;
bool deltas_enabled_;
bool background_downloads_enabled_;
DISALLOW_COPY_AND_ASSIGN(ConfiguratorImpl);
};
} // namespace component_updater
#endif // COMPONENTS_COMPONENT_UPDATER_CONFIGURATOR_IMPL_H_
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