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Side by Side Diff: mojo/services/package_manager/package_manager.h

Issue 1775243002: Rename PackageManager->Catalog. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@42cpi
Patch Set: . Created 4 years, 9 months ago
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1 // Copyright 2016 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 MOJO_SERVICES_PACKAGE_MANAGER_PACKAGE_MANAGER_H_
6 #define MOJO_SERVICES_PACKAGE_MANAGER_PACKAGE_MANAGER_H_
7
8 #include "base/files/file_path.h"
9 #include "base/memory/weak_ptr.h"
10 #include "base/path_service.h"
11 #include "base/values.h"
12 #include "mojo/public/cpp/bindings/binding_set.h"
13 #include "mojo/services/package_manager/public/interfaces/catalog.mojom.h"
14 #include "mojo/services/package_manager/public/interfaces/resolver.mojom.h"
15 #include "mojo/shell/public/cpp/interface_factory.h"
16 #include "mojo/shell/public/cpp/shell_client.h"
17 #include "mojo/shell/public/interfaces/shell_resolver.mojom.h"
18 #include "url/gurl.h"
19
20 namespace package_manager {
21 // A set of names of interfaces that may be exposed to an application.
22 using AllowedInterfaces = std::set<std::string>;
23 // A map of allowed applications to allowed interface sets. See shell.mojom for
24 // more details.
25 using CapabilityFilter = std::map<std::string, AllowedInterfaces>;
26
27 // Static information about an application package known to the PackageManager.
28 struct ApplicationInfo {
29 ApplicationInfo();
30 ApplicationInfo(const ApplicationInfo& other);
31 ~ApplicationInfo();
32
33 std::string name;
34 std::string qualifier;
35 std::string display_name;
36 CapabilityFilter base_filter;
37 };
38
39 // Implemented by an object that provides storage for the application catalog
40 // (e.g. in Chrome, preferences). The PackageManagerImpl is the canonical owner
41 // of the contents of the store, so no one else must modify its contents.
42 class ApplicationCatalogStore {
43 public:
44 // Value is a string.
45 static const char kNameKey[];
46 // Value is a string.
47 static const char kQualifierKey[];
48 // Value is a string.
49 static const char kDisplayNameKey[];
50 // Value is a dictionary that maps from the filter to a list of string
51 // interfaces.
52 static const char kCapabilitiesKey[];
53
54 virtual ~ApplicationCatalogStore() {}
55
56 // Called during initialization to construct the PackageManagerImpl's catalog.
57 // Returns a serialized list of the apps. Each entry in the returned list
58 // corresponds to an app (as a dictionary). Each dictionary has a name,
59 // display name and capabilities. The return value is owned by the caller.
60 virtual const base::ListValue* GetStore() = 0;
61
62 // Write the catalog to the store. Called when the PackageManagerImpl learns
63 // of a newly encountered application.
64 virtual void UpdateStore(scoped_ptr<base::ListValue> store) = 0;
65 };
66
67 class PackageManager
68 : public mojo::ShellClient,
69 public mojo::InterfaceFactory<mojom::Resolver>,
70 public mojo::InterfaceFactory<mojo::shell::mojom::ShellResolver>,
71 public mojo::InterfaceFactory<mojom::Catalog>,
72 public mojom::Resolver,
73 public mojo::shell::mojom::ShellResolver,
74 public mojom::Catalog {
75 public:
76 // If |register_schemes| is true, mojo: and exe: schemes are registered as
77 // "standard".
78 PackageManager(base::TaskRunner* blocking_pool,
79 scoped_ptr<ApplicationCatalogStore> catalog);
80 ~PackageManager() override;
81
82 private:
83 using MojoNameAliasMap =
84 std::map<std::string, std::pair<std::string, std::string>>;
85
86 // mojo::ShellClient:
87 bool AcceptConnection(mojo::Connection* connection) override;
88
89 // mojo::InterfaceFactory<mojom::Resolver>:
90 void Create(mojo::Connection* connection,
91 mojom::ResolverRequest request) override;
92
93 // mojo::InterfaceFactory<mojo::shell::mojom::ShellResolver>:
94 void Create(mojo::Connection* connection,
95 mojo::shell::mojom::ShellResolverRequest request) override;
96
97 // mojo::InterfaceFactory<mojom::Catalog>:
98 void Create(mojo::Connection* connection,
99 mojom::CatalogRequest request) override;
100
101 // mojom::Resolver:
102 void ResolveResponse(
103 mojo::URLResponsePtr response,
104 const ResolveResponseCallback& callback) override;
105 void ResolveInterfaces(mojo::Array<mojo::String> interfaces,
106 const ResolveInterfacesCallback& callback) override;
107 void ResolveMIMEType(const mojo::String& mime_type,
108 const ResolveMIMETypeCallback& callback) override;
109 void ResolveProtocolScheme(
110 const mojo::String& scheme,
111 const ResolveProtocolSchemeCallback& callback) override;
112
113 // mojo::shell::mojom::ShellResolver:
114 void ResolveMojoName(const mojo::String& mojo_name,
115 const ResolveMojoNameCallback& callback) override;
116
117 // mojom::Catalog:
118 void GetEntries(mojo::Array<mojo::String> names,
119 const GetEntriesCallback& callback) override;
120
121 // Completes resolving a Mojo name from the Shell after the resolved name has
122 // been added to the catalog and the manifest read.
123 void CompleteResolveMojoName(const std::string& resolved_name,
124 const std::string& qualifier,
125 const ResolveMojoNameCallback& callback);
126
127 bool IsNameInCatalog(const std::string& name) const;
128
129 // Called from ResolveMojoName().
130 // Attempts to load a manifest for |name|, reads it and adds its metadata to
131 // the catalog.
132 void AddNameToCatalog(const std::string& name,
133 const ResolveMojoNameCallback& callback);
134
135 // Populate/serialize the catalog from/to the supplied store.
136 void DeserializeCatalog();
137 void SerializeCatalog();
138
139 // Construct a catalog entry from |dictionary|.
140 const ApplicationInfo& DeserializeApplication(
141 const base::DictionaryValue* dictionary);
142
143 GURL GetManifestURL(const std::string& name);
144
145 // Called once the manifest has been read. |pm| may be null at this point,
146 // but |callback| must be run.
147 static void OnReadManifest(base::WeakPtr<PackageManager> pm,
148 const std::string& name,
149 const ResolveMojoNameCallback& callback,
150 scoped_ptr<base::Value> manifest);
151
152 // Called once the manifest is read and |this| hasn't been deleted.
153 void OnReadManifestImpl(const std::string& name,
154 const ResolveMojoNameCallback& callback,
155 scoped_ptr<base::Value> manifest);
156
157 base::TaskRunner* blocking_pool_;
158 GURL system_package_dir_;
159
160 mojo::BindingSet<mojom::Resolver> resolver_bindings_;
161 mojo::BindingSet<mojo::shell::mojom::ShellResolver> shell_resolver_bindings_;
162 mojo::BindingSet<mojom::Catalog> catalog_bindings_;
163
164 scoped_ptr<ApplicationCatalogStore> catalog_store_;
165 std::map<std::string, ApplicationInfo> catalog_;
166
167 // Used when an app handles multiple names. Maps from app (as name) to name of
168 // app that is responsible for handling it. The value is a pair of the name of
169 // the handler along with a qualifier.
170 MojoNameAliasMap mojo_name_aliases_;
171
172 std::map<std::string, std::string> qualifiers_;
173
174 base::WeakPtrFactory<PackageManager> weak_factory_;
175
176 DISALLOW_COPY_AND_ASSIGN(PackageManager);
177 };
178
179 } // namespace package_manager
180
181 #endif // MOJO_SERVICES_PACKAGE_MANAGER_PACKAGE_MANAGER_H_
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