35a698f0a9
After change 290410, we have converted gr-rest-api into a service and no longer require this import. Change-Id: I7990253fc5c25bab8d9d28ee594754a2eb78947d
110 lines
3.3 KiB
TypeScript
110 lines
3.3 KiB
TypeScript
/**
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* @license
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* Copyright (C) 2018 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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*/
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import '@polymer/iron-icon/iron-icon';
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import '@polymer/iron-a11y-announcer/iron-a11y-announcer';
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import '../../../styles/shared-styles';
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import '../../shared/gr-button/gr-button';
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import {DiffViewMode} from '../../../constants/constants';
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import {GestureEventListeners} from '@polymer/polymer/lib/mixins/gesture-event-listeners';
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import {LegacyElementMixin} from '@polymer/polymer/lib/legacy/legacy-element-mixin';
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import {PolymerElement} from '@polymer/polymer/polymer-element';
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import {htmlTemplate} from './gr-diff-mode-selector_html';
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import {customElement, property} from '@polymer/decorators';
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import {IronA11yAnnouncer} from '@polymer/iron-a11y-announcer/iron-a11y-announcer';
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import {FixIronA11yAnnouncer} from '../../../types/types';
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import {appContext} from '../../../services/app-context';
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@customElement('gr-diff-mode-selector')
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export class GrDiffModeSelector extends GestureEventListeners(
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LegacyElementMixin(PolymerElement)
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) {
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static get template() {
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return htmlTemplate;
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}
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@property({type: String, notify: true})
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mode?: DiffViewMode;
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/**
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* If set to true, the user's preference will be updated every time a
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* button is tapped. Don't set to true if there is no user.
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*/
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@property({type: Boolean})
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saveOnChange = false;
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private readonly restApiService = appContext.restApiService;
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attached() {
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((IronA11yAnnouncer as unknown) as FixIronA11yAnnouncer).requestAvailability();
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}
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/**
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* Set the mode. If save on change is enabled also update the preference.
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*/
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setMode(newMode: DiffViewMode) {
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if (this.saveOnChange && this.mode && this.mode !== newMode) {
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this.restApiService.savePreferences({diff_view: newMode});
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}
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this.mode = newMode;
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let annoucement;
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if (this.isUnifiedSelected(newMode)) {
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annoucement = 'Changed diff view to unified';
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} else if (this.isSideBySideSelected(newMode)) {
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annoucement = 'Changed diff view to side by side';
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}
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if (annoucement) {
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this.fire(
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'iron-announce',
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{
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text: annoucement,
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},
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{bubbles: true}
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);
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}
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}
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_computeSideBySideSelected(mode: DiffViewMode) {
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return mode === DiffViewMode.SIDE_BY_SIDE ? 'selected' : '';
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}
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_computeUnifiedSelected(mode: DiffViewMode) {
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return mode === DiffViewMode.UNIFIED ? 'selected' : '';
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}
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isSideBySideSelected(mode: DiffViewMode) {
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return mode === DiffViewMode.SIDE_BY_SIDE;
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}
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isUnifiedSelected(mode: DiffViewMode) {
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return mode === DiffViewMode.UNIFIED;
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}
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_handleSideBySideTap() {
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this.setMode(DiffViewMode.SIDE_BY_SIDE);
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}
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_handleUnifiedTap() {
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this.setMode(DiffViewMode.UNIFIED);
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}
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}
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declare global {
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interface HTMLElementTagNameMap {
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'gr-diff-mode-selector': GrDiffModeSelector;
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}
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}
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