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1 // Copyright 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 #ifndef OMAHA_GOOPDATE_APP_BUNDLE_STATE_H_ | |
17 #define OMAHA_GOOPDATE_APP_BUNDLE_STATE_H_ | |
18 | |
19 #include <windows.h> | |
20 #include <atlstr.h> | |
21 #include "base/basictypes.h" | |
22 | |
23 namespace omaha { | |
24 | |
25 class App; | |
26 class AppBundle; | |
27 class AppBundleTest; | |
28 class WebServicesClientInterface; | |
29 | |
30 namespace fsm { | |
31 | |
32 // Defines the interface for encapsulating behavior associated with a particular | |
33 // state of the AppBundle object. | |
34 // All state transition calls should go through AppBundle, meaning it is the | |
35 // only class that should use this interface. | |
36 class AppBundleState { | |
37 public: | |
38 virtual ~AppBundleState() {} | |
39 | |
40 virtual HRESULT put_altTokens(AppBundle* app_bundle, | |
41 ULONG_PTR impersonation_token, | |
42 ULONG_PTR primary_token, | |
43 DWORD caller_proc_id); | |
44 virtual HRESULT put_sessionId(AppBundle* app_bundle, BSTR session_id); | |
45 virtual HRESULT Initialize(AppBundle* app_bundle); | |
46 virtual HRESULT CreateApp(AppBundle* app_bundle, | |
47 const CString& app_id, | |
48 App** app); | |
49 virtual HRESULT CreateInstalledApp(AppBundle* app_bundle, | |
50 const CString& app_id, | |
51 App** app); | |
52 virtual HRESULT CreateAllInstalledApps(AppBundle* app_bundle); | |
53 | |
54 virtual HRESULT CheckForUpdate(AppBundle* app_bundle); | |
55 virtual HRESULT Download(AppBundle* app_bundle); | |
56 virtual HRESULT Install(AppBundle* app_bundle); | |
57 | |
58 virtual HRESULT UpdateAllApps(AppBundle* app_bundle); | |
59 | |
60 virtual HRESULT Stop(AppBundle* app_bundle); | |
61 virtual HRESULT Pause(AppBundle* app_bundle); | |
62 virtual HRESULT Resume(AppBundle* app_bundle); | |
63 | |
64 virtual HRESULT DownloadPackage(AppBundle* app_bundle, | |
65 const CString& app_id, | |
66 const CString& package_name); | |
67 | |
68 virtual HRESULT CompleteAsyncCall(AppBundle* app_bundle); | |
69 | |
70 virtual bool IsBusy() const; | |
71 | |
72 protected: | |
73 enum BundleState { | |
74 STATE_INIT, | |
75 STATE_INITIALIZED, | |
76 STATE_BUSY, | |
77 STATE_READY, | |
78 STATE_PAUSED, | |
79 STATE_STOPPED, | |
80 }; | |
81 | |
82 | |
83 explicit AppBundleState(BundleState state) : state_(state) {} | |
84 | |
85 // These functions provide pass-through access to private AppBundle members. | |
86 // TODO(omaha): remove paranoid asserts and implement inline. | |
87 void AddAppToBundle(AppBundle* app_bundle, App* app); | |
88 bool IsPendingNonBlockingCall(AppBundle* app_bundle); | |
89 | |
90 HRESULT DoDownloadPackage(AppBundle* app_bundle, | |
91 const CString& app_id, | |
92 const CString& package_name); | |
93 | |
94 // After calling this method, the old state (this object) is deleted and the | |
95 // code may not reference the members of the old state anymore. | |
96 void ChangeState(AppBundle* app_bundle, AppBundleState* state); | |
97 | |
98 HRESULT HandleInvalidStateTransition(AppBundle* app_bundle, | |
99 const TCHAR* function_name); | |
100 | |
101 private: | |
102 friend class AppBundleTest; | |
103 | |
104 BundleState state_; | |
105 | |
106 DISALLOW_COPY_AND_ASSIGN(AppBundleState); | |
107 }; | |
108 | |
109 } // namespace fsm | |
110 | |
111 } // namespace omaha | |
112 | |
113 #endif // OMAHA_GOOPDATE_APP_BUNDLE_STATE_H_ | |
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