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1 // Copyright 2017 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 /** | |
6 * @fileoverview Polymer element for displaying encryption migration screen. | |
7 */ | |
8 | |
9 /** | |
10 * Enum for the UI states corresponding to sub steps inside migration screen. | |
11 * These values must be kept in sync with | |
12 * EncryptionMigrationScreenHandler::UIState in C++ code. | |
13 * @enum {number} | |
14 */ | |
15 var EncryptionMigrationUIState = { | |
16 INITIAL: 0, | |
17 MIGRATING: 1, | |
18 MIGRATION_SUCCEEDED: 2, | |
19 MIGRATION_FAILED: 3 | |
20 }; | |
21 | |
22 Polymer({ | |
23 is: 'encryption-migration', | |
24 | |
25 properties: { | |
26 /** | |
27 * Current UI state which corresponds to a sub step in migration process. | |
28 * @type {EncryptionMigrationUIState} | |
29 */ | |
30 uiState: { | |
31 type: Number, | |
32 value: 0 | |
33 }, | |
34 | |
35 /** | |
36 * Current migration progress in range [0, 1]. Negative value means that | |
37 * the progress is unknown. | |
38 */ | |
39 progress: { | |
40 type: Number, | |
41 value: -1 | |
42 }, | |
43 }, | |
44 | |
45 /** | |
46 * Returns true if the migration is in initial state. | |
47 * @param {EncryptionMigrationUIState} state Current UI state | |
48 * @private | |
49 */ | |
50 isInitial_: function(state) { | |
51 return state == EncryptionMigrationUIState.INITIAL; | |
52 }, | |
53 | |
54 /** | |
55 * Returns true if the migration is in progress. | |
56 * @param {EncryptionMigrationUIState} state Current UI state | |
57 * @private | |
58 */ | |
59 isMigrating_: function(state) { | |
60 return state == EncryptionMigrationUIState.MIGRATING; | |
61 }, | |
62 | |
63 /** | |
64 * Returns true if the migration is finished successfully. | |
65 * @param {EncryptionMigrationUIState} state Current UI state | |
66 * @private | |
67 */ | |
68 isMigrationSucceeded_: function(state) { | |
69 return state == EncryptionMigrationUIState.MIGRATION_SUCCEEDED; | |
70 }, | |
71 | |
72 /** | |
73 * Returns true if the migration failed. | |
74 * @param {EncryptionMigrationUIState} state Current UI state | |
75 * @private | |
76 */ | |
77 isMigrationFailed_: function(state) { | |
xiyuan
2017/03/30 17:55:39
Where is the UI for this state?
fukino
2017/03/31 02:29:52
Done. I added a view for the failure. Thanks!
| |
78 return state == EncryptionMigrationUIState.MIGRATION_FAILED; | |
79 }, | |
80 | |
81 /** | |
82 * Returns true if the current migration progress is unknown. | |
83 * @param {number} progress | |
84 * @private | |
85 */ | |
86 isProgressIndeterminate_: function(progress) { | |
87 return progress < 0; | |
88 }, | |
89 | |
90 /** | |
91 * Handles tap on UPGRADE button. | |
92 * @private | |
93 */ | |
94 onUpgrade_: function() { | |
95 this.fire('upgrade'); | |
96 }, | |
97 | |
98 /** | |
99 * Handles tap on SKIP button. | |
100 * @private | |
101 */ | |
102 onSkip_: function() { | |
103 this.fire('skip'); | |
104 }, | |
105 | |
106 /** | |
107 * Handles tap on RESTART button. | |
108 * @private | |
109 */ | |
110 onRestart_: function() { | |
111 this.fire('restart'); | |
112 }, | |
113 }); | |
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