| // 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_COMPONENT_UPDATER_COMPONENT_UPDATER_CONFIGURATOR_H_ |
| #define COMPONENTS_COMPONENT_UPDATER_COMPONENT_UPDATER_CONFIGURATOR_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| |
| class GURL; |
| |
| namespace base { |
| class SingleThreadTaskRunner; |
| class SequencedTaskRunner; |
| class Version; |
| } |
| |
| namespace net { |
| class URLRequestContextGetter; |
| } |
| |
| namespace component_updater { |
| |
| class OutOfProcessPatcher; |
| |
| // Controls the component updater behavior. |
| class Configurator { |
| public: |
| virtual ~Configurator() {} |
| |
| // 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. |
| // This function is a mutator for testing purposes. |
| virtual int NextCheckDelay() = 0; |
| |
| // Delay in seconds from each task step. Used to smooth out CPU/IO usage. |
| virtual int StepDelay() const = 0; |
| |
| // Delay in seconds between applying updates for different components, if |
| // several updates are available at a given time. This function is a mutator |
| // for testing purposes. |
| virtual int StepDelayMedium() = 0; |
| |
| // Minimum delta time in seconds before checking again the same component. |
| virtual int MinimumReCheckWait() const = 0; |
| |
| // Minimum delta time in seconds before an on-demand check is allowed |
| // for the same component. |
| virtual int OnDemandDelay() 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; |
| |
| // 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 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; |
| |
| // How big each update request can be. Don't go above 2000. |
| virtual size_t UrlSizeLimit() 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<OutOfProcessPatcher> CreateOutOfProcessPatcher() |
| const = 0; |
| |
| // True means that this client can handle delta updates. |
| virtual bool DeltasEnabled() const = 0; |
| |
| // True means that the background downloader can be used for downloading |
| // non on-demand components. |
| virtual bool UseBackgroundDownloader() const = 0; |
| |
| // Gets a task runner to a blocking pool of threads suitable for worker jobs. |
| virtual scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner() |
| const = 0; |
| |
| // Gets a task runner for worker jobs guaranteed to run on a single thread. |
| // This thread must be capable of IO. On Windows, this thread must be |
| // initialized for use of COM objects. |
| virtual scoped_refptr<base::SingleThreadTaskRunner> |
| GetSingleThreadTaskRunner() const = 0; |
| }; |
| |
| } // namespace component_updater |
| |
| #endif // COMPONENTS_COMPONENT_UPDATER_COMPONENT_UPDATER_CONFIGURATOR_H_ |