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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_DRIVE_CHANGE_LIST_PROCESSOR_H_ | 5 #ifndef COMPONENTS_DRIVE_CHANGE_LIST_PROCESSOR_H_ |
6 #define COMPONENTS_DRIVE_CHANGE_LIST_PROCESSOR_H_ | 6 #define COMPONENTS_DRIVE_CHANGE_LIST_PROCESSOR_H_ |
7 | 7 |
| 8 #include <stdint.h> |
| 9 |
8 #include <map> | 10 #include <map> |
9 #include <set> | 11 #include <set> |
10 #include <string> | 12 #include <string> |
11 | 13 |
12 #include "base/files/file_path.h" | 14 #include "base/files/file_path.h" |
| 15 #include "base/macros.h" |
13 #include "base/memory/scoped_ptr.h" | 16 #include "base/memory/scoped_ptr.h" |
14 #include "base/memory/scoped_vector.h" | 17 #include "base/memory/scoped_vector.h" |
15 #include "components/drive/file_errors.h" | 18 #include "components/drive/file_errors.h" |
16 #include "components/drive/file_errors.h" | 19 #include "components/drive/file_errors.h" |
17 #include "url/gurl.h" | 20 #include "url/gurl.h" |
18 | 21 |
19 namespace base { | 22 namespace base { |
20 class CancellationFlag; | 23 class CancellationFlag; |
21 } // namespace base | 24 } // namespace base |
22 | 25 |
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35 | 38 |
36 class ResourceMetadata; | 39 class ResourceMetadata; |
37 | 40 |
38 // Holds information needed to fetch contents of a directory. | 41 // Holds information needed to fetch contents of a directory. |
39 // This object is copyable. | 42 // This object is copyable. |
40 class DirectoryFetchInfo { | 43 class DirectoryFetchInfo { |
41 public: | 44 public: |
42 DirectoryFetchInfo() : changestamp_(0) {} | 45 DirectoryFetchInfo() : changestamp_(0) {} |
43 DirectoryFetchInfo(const std::string& local_id, | 46 DirectoryFetchInfo(const std::string& local_id, |
44 const std::string& resource_id, | 47 const std::string& resource_id, |
45 int64 changestamp) | 48 int64_t changestamp) |
46 : local_id_(local_id), | 49 : local_id_(local_id), |
47 resource_id_(resource_id), | 50 resource_id_(resource_id), |
48 changestamp_(changestamp) { | 51 changestamp_(changestamp) {} |
49 } | |
50 | 52 |
51 // Returns true if the object is empty. | 53 // Returns true if the object is empty. |
52 bool empty() const { return local_id_.empty(); } | 54 bool empty() const { return local_id_.empty(); } |
53 | 55 |
54 // Local ID of the directory. | 56 // Local ID of the directory. |
55 const std::string& local_id() const { return local_id_; } | 57 const std::string& local_id() const { return local_id_; } |
56 | 58 |
57 // Resource ID of the directory. | 59 // Resource ID of the directory. |
58 const std::string& resource_id() const { return resource_id_; } | 60 const std::string& resource_id() const { return resource_id_; } |
59 | 61 |
60 // Changestamp of the directory. The changestamp is used to determine if | 62 // Changestamp of the directory. The changestamp is used to determine if |
61 // the directory contents should be fetched. | 63 // the directory contents should be fetched. |
62 int64 changestamp() const { return changestamp_; } | 64 int64_t changestamp() const { return changestamp_; } |
63 | 65 |
64 // Returns a string representation of this object. | 66 // Returns a string representation of this object. |
65 std::string ToString() const; | 67 std::string ToString() const; |
66 | 68 |
67 private: | 69 private: |
68 const std::string local_id_; | 70 const std::string local_id_; |
69 const std::string resource_id_; | 71 const std::string resource_id_; |
70 const int64 changestamp_; | 72 const int64_t changestamp_; |
71 }; | 73 }; |
72 | 74 |
73 // Class to represent a change list. | 75 // Class to represent a change list. |
74 class ChangeList { | 76 class ChangeList { |
75 public: | 77 public: |
76 ChangeList(); // For tests. | 78 ChangeList(); // For tests. |
77 explicit ChangeList(const google_apis::ChangeList& change_list); | 79 explicit ChangeList(const google_apis::ChangeList& change_list); |
78 explicit ChangeList(const google_apis::FileList& file_list); | 80 explicit ChangeList(const google_apis::FileList& file_list); |
79 ~ChangeList(); | 81 ~ChangeList(); |
80 | 82 |
81 const std::vector<ResourceEntry>& entries() const { return entries_; } | 83 const std::vector<ResourceEntry>& entries() const { return entries_; } |
82 std::vector<ResourceEntry>* mutable_entries() { return &entries_; } | 84 std::vector<ResourceEntry>* mutable_entries() { return &entries_; } |
83 const std::vector<std::string>& parent_resource_ids() const { | 85 const std::vector<std::string>& parent_resource_ids() const { |
84 return parent_resource_ids_; | 86 return parent_resource_ids_; |
85 } | 87 } |
86 std::vector<std::string>* mutable_parent_resource_ids() { | 88 std::vector<std::string>* mutable_parent_resource_ids() { |
87 return &parent_resource_ids_; | 89 return &parent_resource_ids_; |
88 } | 90 } |
89 const GURL& next_url() const { return next_url_; } | 91 const GURL& next_url() const { return next_url_; } |
90 int64 largest_changestamp() const { return largest_changestamp_; } | 92 int64_t largest_changestamp() const { return largest_changestamp_; } |
91 | 93 |
92 void set_largest_changestamp(int64 largest_changestamp) { | 94 void set_largest_changestamp(int64_t largest_changestamp) { |
93 largest_changestamp_ = largest_changestamp; | 95 largest_changestamp_ = largest_changestamp; |
94 } | 96 } |
95 | 97 |
96 private: | 98 private: |
97 std::vector<ResourceEntry> entries_; | 99 std::vector<ResourceEntry> entries_; |
98 std::vector<std::string> parent_resource_ids_; | 100 std::vector<std::string> parent_resource_ids_; |
99 GURL next_url_; | 101 GURL next_url_; |
100 int64 largest_changestamp_; | 102 int64_t largest_changestamp_; |
101 | 103 |
102 DISALLOW_COPY_AND_ASSIGN(ChangeList); | 104 DISALLOW_COPY_AND_ASSIGN(ChangeList); |
103 }; | 105 }; |
104 | 106 |
105 // ChangeListProcessor is used to process change lists, or full resource | 107 // ChangeListProcessor is used to process change lists, or full resource |
106 // lists from WAPI (codename for Documents List API) or Google Drive API, and | 108 // lists from WAPI (codename for Documents List API) or Google Drive API, and |
107 // updates the resource metadata stored locally. | 109 // updates the resource metadata stored locally. |
108 class ChangeListProcessor { | 110 class ChangeListProcessor { |
109 public: | 111 public: |
110 ChangeListProcessor(ResourceMetadata* resource_metadata, | 112 ChangeListProcessor(ResourceMetadata* resource_metadata, |
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139 | 141 |
140 private: | 142 private: |
141 typedef std::map<std::string /* resource_id */, ResourceEntry> | 143 typedef std::map<std::string /* resource_id */, ResourceEntry> |
142 ResourceEntryMap; | 144 ResourceEntryMap; |
143 typedef std::map<std::string /* resource_id */, | 145 typedef std::map<std::string /* resource_id */, |
144 std::string /* parent_resource_id*/> ParentResourceIdMap; | 146 std::string /* parent_resource_id*/> ParentResourceIdMap; |
145 | 147 |
146 // Applies the pre-processed metadata from entry_map_ onto the resource | 148 // Applies the pre-processed metadata from entry_map_ onto the resource |
147 // metadata. |about_resource| must not be null. | 149 // metadata. |about_resource| must not be null. |
148 FileError ApplyEntryMap( | 150 FileError ApplyEntryMap( |
149 int64 changestamp, | 151 int64_t changestamp, |
150 scoped_ptr<google_apis::AboutResource> about_resource); | 152 scoped_ptr<google_apis::AboutResource> about_resource); |
151 | 153 |
152 // Apply |entry| to resource_metadata_. | 154 // Apply |entry| to resource_metadata_. |
153 FileError ApplyEntry(const ResourceEntry& entry); | 155 FileError ApplyEntry(const ResourceEntry& entry); |
154 | 156 |
155 // Adds the directories changed by the update on |entry| to |changed_dirs_|. | 157 // Adds the directories changed by the update on |entry| to |changed_dirs_|. |
156 void UpdateChangedDirs(const ResourceEntry& entry); | 158 void UpdateChangedDirs(const ResourceEntry& entry); |
157 | 159 |
158 ResourceMetadata* resource_metadata_; // Not owned. | 160 ResourceMetadata* resource_metadata_; // Not owned. |
159 base::CancellationFlag* in_shutdown_; // Not owned. | 161 base::CancellationFlag* in_shutdown_; // Not owned. |
160 | 162 |
161 ResourceEntryMap entry_map_; | 163 ResourceEntryMap entry_map_; |
162 ParentResourceIdMap parent_resource_id_map_; | 164 ParentResourceIdMap parent_resource_id_map_; |
163 scoped_ptr<FileChange> changed_files_; | 165 scoped_ptr<FileChange> changed_files_; |
164 | 166 |
165 DISALLOW_COPY_AND_ASSIGN(ChangeListProcessor); | 167 DISALLOW_COPY_AND_ASSIGN(ChangeListProcessor); |
166 }; | 168 }; |
167 | 169 |
168 } // namespace internal | 170 } // namespace internal |
169 } // namespace drive | 171 } // namespace drive |
170 | 172 |
171 #endif // COMPONENTS_DRIVE_CHANGE_LIST_PROCESSOR_H_ | 173 #endif // COMPONENTS_DRIVE_CHANGE_LIST_PROCESSOR_H_ |
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