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76 lines
2.2 KiB
76 lines
2.2 KiB
8 years ago
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/* Copyright 2017 Mozilla Foundation
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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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'use strict';
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var grabToPan = require('./grab_to_pan.js');
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var preferences = require('./preferences.js');
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var uiUtils = require('./ui_utils.js');
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var GrabToPan = grabToPan.GrabToPan;
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var Preferences = preferences.Preferences;
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var localized = uiUtils.localized;
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var HandTool = function HandToolClosure() {
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function HandTool(options) {
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this.container = options.container;
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this.eventBus = options.eventBus;
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this.wasActive = false;
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this.handTool = new GrabToPan({
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element: this.container,
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onActiveChanged: function (isActive) {
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this.eventBus.dispatch('handtoolchanged', { isActive: isActive });
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}.bind(this)
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});
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this.eventBus.on('togglehandtool', this.toggle.bind(this));
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Promise.all([
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localized,
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Preferences.get('enableHandToolOnLoad')
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]).then(function resolved(values) {
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if (values[1] === true) {
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this.handTool.activate();
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}
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}.bind(this)).catch(function rejected(reason) {
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});
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this.eventBus.on('presentationmodechanged', function (e) {
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if (e.switchInProgress) {
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return;
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}
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if (e.active) {
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this.enterPresentationMode();
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} else {
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this.exitPresentationMode();
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}
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}.bind(this));
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}
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HandTool.prototype = {
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get isActive() {
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return !!this.handTool.active;
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},
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toggle: function HandTool_toggle() {
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this.handTool.toggle();
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},
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enterPresentationMode: function HandTool_enterPresentationMode() {
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if (this.isActive) {
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this.wasActive = true;
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this.handTool.deactivate();
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}
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},
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exitPresentationMode: function HandTool_exitPresentationMode() {
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if (this.wasActive) {
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this.wasActive = false;
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this.handTool.activate();
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}
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}
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};
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return HandTool;
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}();
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exports.HandTool = HandTool;
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