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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 Package COM object exposed by the model. | |
17 | |
18 // TODO(omaha3): Protect all public members with the model lock and assert in | |
19 // all non-public members that the model has been locked by the caller. | |
20 | |
21 #ifndef OMAHA_GOOPDATE_PACKAGE_H_ | |
22 #define OMAHA_GOOPDATE_PACKAGE_H_ | |
23 | |
24 #include <atlbase.h> | |
25 #include <atlcom.h> | |
26 #include "base/basictypes.h" | |
27 #include "goopdate/omaha3_idl.h" | |
28 #include "omaha/base/constants.h" | |
29 #include "omaha/base/time.h" | |
30 #include "omaha/common/progress_sampler.h" | |
31 #include "omaha/goopdate/com_wrapper_creator.h" | |
32 #include "omaha/goopdate/model_object.h" | |
33 // TODO(omaha): Consider implementing the NetworkRequestCallback portion in a | |
34 // PImpl or similar pattern. As it is, every file that includes model.h also | |
35 // becomes dependent on most of net/. | |
36 #include "omaha/net/network_request.h" | |
37 | |
38 namespace omaha { | |
39 | |
40 class AppVersion; | |
41 struct Lockable; | |
42 | |
43 class Package | |
44 : public ModelObject, | |
45 public NetworkRequestCallback { | |
46 public: | |
47 explicit Package(AppVersion* parent_app_version); | |
48 virtual ~Package(); | |
49 | |
50 STDMETHOD(get)(BSTR dir) const; | |
51 STDMETHOD(get_isAvailable)(VARIANT_BOOL* is_available) const; | |
52 STDMETHOD(get_filename)(BSTR* filename) const; | |
53 | |
54 // NetworkRequestCallback. | |
55 virtual void OnProgress(int bytes, | |
56 int bytes_total, | |
57 int status, | |
58 const TCHAR* status_text); | |
59 virtual void OnRequestBegin(); | |
60 virtual void OnRequestRetryScheduled(time64 next_download_retry_time); | |
61 | |
62 void SetFileInfo(const CString& filename, uint64 size, const CString& hash); | |
63 | |
64 // Returns the name of the file specified in the manifest. | |
65 CString filename() const; | |
66 // Returns the expected size of the file in bytes. | |
67 uint64 expected_size() const; | |
68 // Returns the expected SHA-1 hash of the file. | |
69 CString expected_hash() const; | |
70 | |
71 uint64 bytes_downloaded() const; | |
72 | |
73 time64 next_download_retry_time() const; | |
74 | |
75 AppVersion* app_version(); | |
76 const AppVersion* app_version() const; | |
77 | |
78 LONG GetEstimatedRemainingDownloadTimeMs() const; | |
79 | |
80 private: | |
81 // Weak reference to the parent of the package. | |
82 AppVersion* app_version_; | |
83 | |
84 // The name of the package as it appears in the manifest. | |
85 CString filename_; | |
86 uint64 expected_size_; | |
87 CString expected_hash_; | |
88 | |
89 int bytes_downloaded_; | |
90 int bytes_total_; | |
91 time64 next_download_retry_time_; | |
92 | |
93 ProgressSampler<int> progress_sampler_; | |
94 | |
95 // True if the package is being downloaded. | |
96 // TODO(omaha): implement this. | |
97 bool is_downloading_; | |
98 | |
99 DISALLOW_COPY_AND_ASSIGN(Package); | |
100 }; | |
101 | |
102 class ATL_NO_VTABLE PackageWrapper | |
103 : public ComWrapper<PackageWrapper, Package>, | |
104 public IDispatchImpl<IPackage, | |
105 &__uuidof(IPackage), | |
106 &CAtlModule::m_libid, | |
107 kMajorTypeLibVersion, | |
108 kMinorTypeLibVersion> { | |
109 public: | |
110 | |
111 // IPackage. | |
112 STDMETHOD(get)(BSTR dir); | |
113 STDMETHOD(get_isAvailable)(VARIANT_BOOL* is_available); | |
114 STDMETHOD(get_filename)(BSTR* filename); | |
115 | |
116 protected: | |
117 PackageWrapper() {} | |
118 virtual ~PackageWrapper() {} | |
119 | |
120 BEGIN_COM_MAP(PackageWrapper) | |
121 COM_INTERFACE_ENTRY(IPackage) | |
122 COM_INTERFACE_ENTRY(IDispatch) | |
123 END_COM_MAP() | |
124 }; | |
125 | |
126 } // namespace omaha | |
127 | |
128 #endif // OMAHA_GOOPDATE_PACKAGE_H_ | |
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