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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) { |
| 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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