blob: 68bca2333f2892a3a4f4179ee05f758665a1be2e [file] [log] [blame]
/**
* @license
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function() {
'use strict';
/** @extends Polymer.Element */
class GrDiffModeSelector extends Polymer.GestureEventListeners(
Polymer.LegacyElementMixin(
Polymer.Element)) {
static get is() { return 'gr-diff-mode-selector'; }
static get properties() {
return {
mode: {
type: String,
notify: true,
},
/**
* If set to true, the user's preference will be updated every time a
* button is tapped. Don't set to true if there is no user.
*/
saveOnChange: {
type: Boolean,
value: false,
},
/** @type {?} */
_VIEW_MODES: {
type: Object,
readOnly: true,
value: {
SIDE_BY_SIDE: 'SIDE_BY_SIDE',
UNIFIED: 'UNIFIED_DIFF',
},
},
};
}
/**
* Set the mode. If save on change is enabled also update the preference.
*/
setMode(newMode) {
if (this.saveOnChange && this.mode && this.mode !== newMode) {
this.$.restAPI.savePreferences({diff_view: newMode});
}
this.mode = newMode;
}
_computeSelectedClass(diffViewMode, buttonViewMode) {
return buttonViewMode === diffViewMode ? 'selected' : '';
}
_handleSideBySideTap() {
this.setMode(this._VIEW_MODES.SIDE_BY_SIDE);
}
_handleUnifiedTap() {
this.setMode(this._VIEW_MODES.UNIFIED);
}
}
customElements.define(GrDiffModeSelector.is, GrDiffModeSelector);
})();