| // Copyright 2014 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_UPDATE_CLIENT_CONFIGURATOR_H_ |
| #define COMPONENTS_UPDATE_CLIENT_CONFIGURATOR_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "base/memory/ref_counted.h" |
| |
| class GURL; |
| class PrefService; |
| |
| namespace base { |
| class SequencedTaskRunner; |
| class Version; |
| } |
| |
| namespace net { |
| class URLRequestContextGetter; |
| } |
| |
| namespace update_client { |
| |
| class OutOfProcessPatcher; |
| |
| // Controls the component updater behavior. |
| // TODO(sorin): this class will be split soon in two. One class controls |
| // the behavior of the update client, and the other class controls the |
| // behavior of the component updater. |
| class Configurator : public base::RefCountedThreadSafe<Configurator> { |
| public: |
| // Delay in seconds from calling Start() to the first update check. |
| virtual int InitialDelay() const = 0; |
| |
| // Delay in seconds to every subsequent update check. 0 means don't check. |
| virtual int NextCheckDelay() const = 0; |
| |
| // Minimum delta time in seconds before an on-demand check is allowed |
| // for the same component. |
| virtual int OnDemandDelay() const = 0; |
| |
| // The time delay in seconds between applying updates for different |
| // components. |
| virtual int UpdateDelay() const = 0; |
| |
| // The URLs for the update checks. The URLs are tried in order, the first one |
| // that succeeds wins. |
| virtual std::vector<GURL> UpdateUrl() const = 0; |
| |
| // The URLs for pings. Returns an empty vector if and only if pings are |
| // disabled. Similarly, these URLs have a fall back behavior too. |
| virtual std::vector<GURL> PingUrl() const = 0; |
| |
| // The ProdId is used as a prefix in some of the version strings which appear |
| // in the protocol requests. Possible values include "chrome", "chromecrx", |
| // "chromiumcrx", and "unknown". |
| virtual std::string GetProdId() const = 0; |
| |
| // Version of the application. Used to compare the component manifests. |
| virtual base::Version GetBrowserVersion() const = 0; |
| |
| // Returns the value we use for the "updaterchannel=" and "prodchannel=" |
| // parameters. Possible return values include: "canary", "dev", "beta", and |
| // "stable". |
| virtual std::string GetChannel() const = 0; |
| |
| // Returns the brand code or distribution tag that has been assigned to |
| // a partner. A brand code is a 4-character string used to identify |
| // installations that took place as a result of partner deals or website |
| // promotions. |
| virtual std::string GetBrand() const = 0; |
| |
| // Returns the language for the present locale. Possible return values are |
| // standard tags for languages, such as "en", "en-US", "de", "fr", "af", etc. |
| virtual std::string GetLang() const = 0; |
| |
| // Returns the OS's long name like "Windows", "Mac OS X", etc. |
| virtual std::string GetOSLongName() const = 0; |
| |
| // 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. |
| virtual std::string ExtraRequestParams() const = 0; |
| |
| // Provides a hint for the server to control the order in which multiple |
| // download urls are returned. The hint may or may not be honored in the |
| // response returned by the server. |
| // Returns an empty string if no policy is in effect. |
| virtual std::string GetDownloadPreference() const = 0; |
| |
| // The source of contexts for all the url requests. |
| virtual net::URLRequestContextGetter* RequestContext() const = 0; |
| |
| // Returns a new out of process patcher. May be NULL for implementations |
| // that patch in-process. |
| virtual scoped_refptr<update_client::OutOfProcessPatcher> |
| CreateOutOfProcessPatcher() const = 0; |
| |
| // True means that this client can handle delta updates. |
| virtual bool EnabledDeltas() const = 0; |
| |
| // True if component updates are enabled. Updates for all components are |
| // enabled by default. This method allows enabling or disabling |
| // updates for certain components such as the plugins. Updates for some |
| // components are always enabled and can't be disabled programatically. |
| virtual bool EnabledComponentUpdates() const = 0; |
| |
| // True means that the background downloader can be used for downloading |
| // non on-demand components. |
| virtual bool EnabledBackgroundDownloader() const = 0; |
| |
| // True if signing of update checks is enabled. |
| virtual bool EnabledCupSigning() const = 0; |
| |
| // Gets a task runner to a blocking pool of threads suitable for worker jobs. |
| virtual scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner() |
| const = 0; |
| |
| // Returns a PrefService that the update_client can use to store persistent |
| // update information. The PrefService must outlive the entire update_client, |
| // and be safe to access from the thread the update_client is constructed |
| // on. |
| // Returning null is safe and will disable any functionality that requires |
| // persistent storage. |
| virtual PrefService* GetPrefService() const = 0; |
| |
| // Returns true if the Chrome is installed for the current user only, or false |
| // if Chrome is installed for all users on the machine. This function must be |
| // called only from a blocking pool thread, as it may access the file system. |
| virtual bool IsPerUserInstall() const = 0; |
| |
| protected: |
| friend class base::RefCountedThreadSafe<Configurator>; |
| |
| virtual ~Configurator() {} |
| }; |
| |
| } // namespace update_client |
| |
| #endif // COMPONENTS_UPDATE_CLIENT_CONFIGURATOR_H_ |