OLD | NEW |
---|---|
1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 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 module prefs.mojom; | 5 module prefs.mojom; |
6 | 6 |
7 import "mojo/common/values.mojom"; | 7 import "mojo/common/values.mojom"; |
8 | 8 |
9 const string kServiceName = "preferences"; | 9 const string kServiceName = "preferences"; |
10 | 10 |
11 // Used for the creation of a PreferencesService and to ensure that the | 11 // Used for the creation of a PreferencesService and to ensure that the |
12 // PreferencesServiceClient is bound at creation time. | 12 // PreferencesServiceClient is bound at creation time. |
13 interface PreferencesServiceFactory { | 13 interface PreferencesServiceFactory { |
14 // Creates a PreferencesService bound to the provided |observer|. | 14 // Creates a PreferencesService bound to the provided |observer|. |
15 Create(PreferencesServiceClient observer, PreferencesService& service); | 15 Create(PreferencesServiceClient observer, PreferencesService& service); |
16 }; | 16 }; |
17 | 17 |
18 // Used to subscribe to preference changes within PreferenceManager. After | 18 // Used to subscribe to preference changes within PreferenceManager. After |
19 // requesting to observe, the current values for all requested keys are sent. | 19 // requesting to observe, the current values for all requested keys are sent. |
20 interface PreferencesServiceClient { | 20 interface PreferencesServiceClient { |
21 OnPreferencesChanged(mojo.common.mojom.DictionaryValue preferences); | 21 OnPreferencesChanged(mojo.common.mojom.DictionaryValue preferences); |
22 }; | 22 }; |
23 | 23 |
24 // Manages actual read/write of preference data. Accepts observers who subscribe | 24 // Manages actual read/write of preference data. Accepts observers who subscribe |
25 // to preferences, notifying them of changes. | 25 // to preferences, notifying them of changes. |
26 interface PreferencesService { | 26 interface PreferencesService { |
27 SetPreferences(mojo.common.mojom.DictionaryValue preferences); | 27 SetPreferences(mojo.common.mojom.DictionaryValue preferences); |
28 Subscribe(array<string> preferences); | 28 Subscribe(array<string> preferences); |
29 }; | 29 }; |
30 | |
31 const string kPrefStoreServiceName = "preferences2"; | |
32 | |
33 // The know pref store types. | |
34 // | |
35 // Should be kept in sync with PrefValueStore::PrefStoreType. | |
36 enum PrefStoreType { | |
37 MANAGED, | |
38 SUPERVISED_USER, | |
39 EXTENSION, | |
40 COMMAND_LINE, | |
41 USER, | |
42 RECOMMENDED, | |
43 DEFAULT, | |
44 }; | |
45 | |
46 // Allows observing changes to prefs stored in a |PrefStore|. | |
47 interface PrefStoreObserver { | |
48 // The preference with the given |key| has changed. If |value| is null then | |
49 // the preference was deleted. | |
50 OnPrefChanged(string key, mojo.common.mojom.Value? value); | |
51 | |
52 // The PrefStore has been initialized (asynchronously). | |
53 OnInitializationCompleted(bool succeeded); | |
54 }; | |
55 | |
56 // Captures the connections to a PrefStore by supplying the initial state of the | |
57 // store and a handle to receive notifications on. | |
58 struct PrefStoreConnection { | |
59 // Handle to receive updates on. | |
60 PrefStoreObserver& observer; | |
61 | |
62 // Initial values of the PrefStore. These will not be communicated through | |
63 // OnPrefChanged. | |
64 mojo.common.mojom.DictionaryValue initial_prefs; | |
65 | |
66 // Is the PrefStore initialized? If not it should not be used before | |
67 // OnInitializationCompleted has been called. | |
68 bool is_initialized; | |
Sam McNally
2017/02/27 03:22:20
Can we get rid of this?
| |
69 }; | |
70 | |
71 // Manages actual read of preference data. Accepts observers who subscribe to | |
72 // preferences, notifying them of changes. | |
73 interface PrefStore { | |
74 // Add an observer of changes. This current values of all prefs will not be | |
75 // communicated through a call to |observer| but instead be returned in | |
76 // |initial_prefs|. | |
77 AddObserver() => (PrefStoreConnection connection); | |
78 }; | |
79 | |
80 // Manages a registry of all pref stores. Registered pref stores can be | |
81 // connected to through the |PrefStoreConnector| interface. | |
82 interface PrefStoreRegistry { | |
83 // Register a pref store. | |
84 Register(PrefStoreType type, PrefStore pref_store); | |
85 }; | |
86 | |
87 // Allows connections to pref stores registered with |PrefStoreRegistry|. | |
88 interface PrefStoreConnector { | |
89 // Connect to all registered pref stores, retrieving the current values of all | |
90 // prefs in each store and an |observer| interfaces through which updates can | |
91 // be received. | |
92 Connect() => (map<PrefStoreType, PrefStoreConnection> connections); | |
93 }; | |
OLD | NEW |