Also adds concept of locally stored preferences. Change-Id: Ib074a682228d5360a932af696e18967e8e3473be
		
			
				
	
	
		
			98 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// Copyright (C) 2016 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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(function() {
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  'use strict';
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  Polymer({
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    is: 'gr-diff-preferences',
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    /**
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     * Fired when the user presses the save button.
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     *
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     * @event save
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     */
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    /**
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     * Fired when the user presses the cancel button.
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     *
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     * @event cancel
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     */
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    properties: {
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      prefs: {
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        type: Object,
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        notify: true,
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      },
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      localPrefs: {
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        type: Object,
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        notify: true,
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      },
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      disabled: {
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        type: Boolean,
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        value: false,
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        reflectToAttribute: true,
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      },
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      _newPrefs: Object,
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      _newLocalPrefs: Object,
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    },
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    observers: [
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      '_prefsChanged(prefs.*)',
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      '_localPrefsChanged(localPrefs.*)',
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    ],
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    _prefsChanged: function(changeRecord) {
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      var prefs = changeRecord.base;
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      // TODO(andybons): This is not supported in IE. Implement a polyfill.
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      // NOTE: Object.assign is NOT automatically a deep copy. If prefs adds
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      // an object as a value, it must be marked enumerable.
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      this._newPrefs = Object.assign({}, prefs);
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      this.$.contextSelect.value = prefs.context;
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      this.$.showTabsInput.checked = prefs.show_tabs;
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    },
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    _localPrefsChanged: function(changeRecord) {
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      var localPrefs = changeRecord.base || {};
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      // TODO(viktard): This is not supported in IE. Implement a polyfill.
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      this._newLocalPrefs = Object.assign({}, localPrefs);
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      this.$.enableRangedCommentsInput.checked = localPrefs.ranged_comments;
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    },
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    _handleContextSelectChange: function(e) {
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      var selectEl = Polymer.dom(e).rootTarget;
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      this.set('_newPrefs.context', parseInt(selectEl.value, 10));
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    },
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    _handleShowTabsTap: function(e) {
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      this.set('_newPrefs.show_tabs', Polymer.dom(e).rootTarget.checked);
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    },
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    _handleEnableRangedComments: function(e) {
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      this.set(
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          '_newLocalPrefs.ranged_comments', Polymer.dom(e).rootTarget.checked);
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    },
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    _handleSave: function() {
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      this.prefs = this._newPrefs;
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      this.localPrefs = this._newLocalPrefs;
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      this.fire('save', null, {bubbles: false});
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    },
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    _handleCancel: function() {
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      this.fire('cancel', null, {bubbles: false});
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    },
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  });
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})();
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