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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef COMPONENTS_COMPONENT_UPDATER_COMPONENT_UPDATER_CONFIGURATOR_H_ | |
6 #define COMPONENTS_COMPONENT_UPDATER_COMPONENT_UPDATER_CONFIGURATOR_H_ | |
7 | |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include "base/memory/ref_counted.h" | |
12 #include "base/memory/scoped_ptr.h" | |
13 | |
14 class GURL; | |
15 | |
16 namespace base { | |
17 class SingleThreadTaskRunner; | |
18 class SequencedTaskRunner; | |
19 class Version; | |
20 } | |
21 | |
22 namespace net { | |
23 class URLRequestContextGetter; | |
24 } | |
25 | |
26 namespace component_updater { | |
27 | |
28 class OutOfProcessPatcher; | |
29 | |
30 // Controls the component updater behavior. | |
31 class Configurator { | |
32 public: | |
33 virtual ~Configurator() {} | |
34 | |
35 // Delay in seconds from calling Start() to the first update check. | |
36 virtual int InitialDelay() const = 0; | |
37 | |
38 // Delay in seconds to every subsequent update check. 0 means don't check. | |
39 // This function is a mutator for testing purposes. | |
40 virtual int NextCheckDelay() = 0; | |
41 | |
42 // Delay in seconds from each task step. Used to smooth out CPU/IO usage. | |
43 virtual int StepDelay() const = 0; | |
44 | |
45 // Delay in seconds between applying updates for different components, if | |
46 // several updates are available at a given time. This function is a mutator | |
47 // for testing purposes. | |
48 virtual int StepDelayMedium() = 0; | |
49 | |
50 // Minimum delta time in seconds before checking again the same component. | |
51 virtual int MinimumReCheckWait() const = 0; | |
52 | |
53 // Minimum delta time in seconds before an on-demand check is allowed | |
54 // for the same component. | |
55 virtual int OnDemandDelay() const = 0; | |
56 | |
57 // The URLs for the update checks. The URLs are tried in order, the first one | |
58 // that succeeds wins. | |
59 virtual std::vector<GURL> UpdateUrl() const = 0; | |
60 | |
61 // The URLs for pings. Returns an empty vector if and only if pings are | |
62 // disabled. Similarly, these URLs have a fall back behavior too. | |
63 virtual std::vector<GURL> PingUrl() const = 0; | |
64 | |
65 // Version of the application. Used to compare the component manifests. | |
66 virtual base::Version GetBrowserVersion() const = 0; | |
67 | |
68 // Returns the value we use for the "updaterchannel=" and "prodchannel=" | |
69 // parameters. Possible return values include: "canary", "dev", "beta", and | |
70 // "stable". | |
71 virtual std::string GetChannel() const = 0; | |
72 | |
73 // Returns the language for the present locale. Possible return values are | |
74 // standard tags for languages, such as "en", "en-US", "de", "fr", "af", etc. | |
75 virtual std::string GetLang() const = 0; | |
76 | |
77 // Returns the OS's long name like "Windows", "Mac OS X", etc. | |
78 virtual std::string GetOSLongName() const = 0; | |
79 | |
80 // Parameters added to each url request. It can be empty if none are needed. | |
81 // The return string must be safe for insertion as an attribute in an | |
82 // XML element. | |
83 virtual std::string ExtraRequestParams() const = 0; | |
84 | |
85 // How big each update request can be. Don't go above 2000. | |
86 virtual size_t UrlSizeLimit() const = 0; | |
87 | |
88 // The source of contexts for all the url requests. | |
89 virtual net::URLRequestContextGetter* RequestContext() const = 0; | |
90 | |
91 // Returns a new out of process patcher. May be NULL for implementations | |
92 // that patch in-process. | |
93 virtual scoped_refptr<OutOfProcessPatcher> CreateOutOfProcessPatcher() | |
94 const = 0; | |
95 | |
96 // True means that this client can handle delta updates. | |
97 virtual bool DeltasEnabled() const = 0; | |
98 | |
99 // True means that the background downloader can be used for downloading | |
100 // non on-demand components. | |
101 virtual bool UseBackgroundDownloader() const = 0; | |
102 | |
103 // Gets a task runner to a blocking pool of threads suitable for worker jobs. | |
104 virtual scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner() | |
105 const = 0; | |
106 | |
107 // Gets a task runner for worker jobs guaranteed to run on a single thread. | |
108 // This thread must be capable of IO. On Windows, this thread must be | |
109 // initialized for use of COM objects. | |
110 virtual scoped_refptr<base::SingleThreadTaskRunner> | |
111 GetSingleThreadTaskRunner() const = 0; | |
112 }; | |
113 | |
114 } // namespace component_updater | |
115 | |
116 #endif // COMPONENTS_COMPONENT_UPDATER_COMPONENT_UPDATER_CONFIGURATOR_H_ | |
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