Componentize component_updater: Move over a bunch of files to the component.

chrome/browser/component_updater/component_updater_configurator.h

-// 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.
-
-#ifndef CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UPDATER_CONFIGURATOR_H_
-#define CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UPDATER_CONFIGURATOR_H_
-
-#include <string>
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-
-class GURL;
-
-namespace base {
-class CommandLine;
-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 url that is going to be used update checks over Omaha protocol.
-  virtual GURL UpdateUrl() const = 0;
-
-  // The url where the completion pings are sent. Invalid if and only if
-  // pings are disabled.
-  virtual 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;
-};
-
-Configurator* MakeChromeComponentUpdaterConfigurator(
-    const base::CommandLine* cmdline,
-    net::URLRequestContextGetter* context_getter);
-
-}  // namespace component_updater
-
-#endif  // CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UPDATER_CONFIGURATOR_H_