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1 // Copyright 2009-2010 Google Inc. | |
2 // | |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 // you may not use this file except in compliance with the License. | |
5 // You may obtain a copy of the License at | |
6 // | |
7 // http://www.apache.org/licenses/LICENSE-2.0 | |
8 // | |
9 // Unless required by applicable law or agreed to in writing, software | |
10 // distributed under the License is distributed on an "AS IS" BASIS, | |
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 // See the License for the specific language governing permissions and | |
13 // limitations under the License. | |
14 // ======================================================================== | |
15 | |
16 // Defines the root of the object model. This is not exposed as a COM object. | |
17 | |
18 #ifndef OMAHA_GOOPDATE_MODEL_H_ | |
19 #define OMAHA_GOOPDATE_MODEL_H_ | |
20 | |
21 #ifndef _ATL_FREE_THREADED | |
22 #error Must use _ATL_FREE_THREADED to avoid differences in member offsets. | |
23 #endif | |
24 | |
25 #include <windows.h> | |
26 #include <vector> | |
27 #include "base/basictypes.h" | |
28 #include "base/debug.h" | |
29 #include "base/scoped_ptr.h" | |
30 #include "base/synchronized.h" | |
31 #include "omaha/goopdate/app.h" | |
32 #include "omaha/goopdate/app_bundle.h" | |
33 #include "omaha/goopdate/app_version.h" | |
34 #include "omaha/goopdate/current_state.h" | |
35 #include "omaha/goopdate/package.h" | |
36 #include "third_party/bar/shared_ptr.h" | |
37 | |
38 namespace omaha { | |
39 | |
40 class WorkerModelInterface; | |
41 | |
42 class Model { | |
43 public: | |
44 explicit Model(WorkerModelInterface* worker); | |
45 virtual ~Model(); | |
46 | |
47 const Lockable& lock() const { return lock_; } | |
48 | |
49 // Returns true if the model lock is held by the calling thread. | |
50 bool IsLockedByCaller() const { | |
51 return ::GetCurrentThreadId() == lock_.GetOwner(); | |
52 } | |
53 | |
54 // Creates an AppBundle object in the model. | |
55 shared_ptr<AppBundle> CreateAppBundle(bool is_machine); | |
56 | |
57 // Removes the AppBundle objects that have no outstanding strong references. | |
58 void CleanupExpiredAppBundles(); | |
59 | |
60 size_t GetNumberOfAppBundles() const; | |
61 | |
62 shared_ptr<AppBundle> GetAppBundle(size_t index) const; | |
63 | |
64 // Initiates an update check for all apps in the bundle. | |
65 HRESULT CheckForUpdate(AppBundle* app_bundle); | |
66 | |
67 // Initiates download of files necessary to install all apps in the bundle. | |
68 HRESULT Download(AppBundle* app_bundle); | |
69 | |
70 // Initiates Download, if necessary, and install all app in the bundle. | |
71 HRESULT DownloadAndInstall(AppBundle* app_bundle); | |
72 | |
73 // Initiates an update of all registered apps and performs periodic tasks | |
74 // related to all apps. Primarily for use by Omaha's /ua client. Includes | |
75 // update check, download and install. | |
76 HRESULT UpdateAllApps(AppBundle* app_bundle); | |
77 | |
78 HRESULT Stop(AppBundle* app_bundle); | |
79 HRESULT Pause(AppBundle* app_bundle); | |
80 HRESULT Resume(AppBundle* app_bundle); | |
81 | |
82 HRESULT DownloadPackage(Package* package); | |
83 HRESULT GetPackage(const Package* package, const CString& dir) const; | |
84 | |
85 bool IsPackageAvailable(const Package* package) const; | |
86 | |
87 HRESULT PurgeAppLowerVersions(const CString& app_id, | |
88 const CString& version) const; | |
89 | |
90 private: | |
91 typedef weak_ptr<AppBundle> AppBundleWeakPtr; | |
92 | |
93 // Serializes access to the model objects. Consider replacing with SWMR lock. | |
94 LLock lock_; | |
95 | |
96 std::vector<AppBundleWeakPtr> app_bundles_; | |
97 WorkerModelInterface* worker_; | |
98 | |
99 DISALLOW_COPY_AND_ASSIGN(Model); | |
100 }; | |
101 | |
102 } // namespace omaha | |
103 | |
104 #endif // OMAHA_GOOPDATE_MODEL_H_ | |
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