140 lines
3.3 KiB
JavaScript
140 lines
3.3 KiB
JavaScript
/**
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* @licstart The following is the entire license notice for the
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* JavaScript code in this page
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*
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* Copyright 2022 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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* @licend The above is the entire license notice for the
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* JavaScript code in this page
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*/
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.PDFCursorTools = exports.CursorTool = void 0;
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var _grab_to_pan = require("./grab_to_pan.js");
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var _ui_utils = require("./ui_utils.js");
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const CursorTool = {
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SELECT: 0,
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HAND: 1,
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ZOOM: 2
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};
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exports.CursorTool = CursorTool;
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class PDFCursorTools {
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constructor({
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container,
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eventBus,
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cursorToolOnLoad = CursorTool.SELECT
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}) {
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this.container = container;
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this.eventBus = eventBus;
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this.active = CursorTool.SELECT;
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this.activeBeforePresentationMode = null;
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this.handTool = new _grab_to_pan.GrabToPan({
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element: this.container
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});
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this.#addEventListeners();
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Promise.resolve().then(() => {
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this.switchTool(cursorToolOnLoad);
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});
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}
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get activeTool() {
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return this.active;
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}
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switchTool(tool) {
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if (this.activeBeforePresentationMode !== null) {
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return;
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}
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if (tool === this.active) {
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return;
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}
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const disableActiveTool = () => {
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switch (this.active) {
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case CursorTool.SELECT:
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break;
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case CursorTool.HAND:
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this.handTool.deactivate();
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break;
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case CursorTool.ZOOM:
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}
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};
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switch (tool) {
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case CursorTool.SELECT:
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disableActiveTool();
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break;
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case CursorTool.HAND:
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disableActiveTool();
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this.handTool.activate();
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break;
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case CursorTool.ZOOM:
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default:
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console.error(`switchTool: "${tool}" is an unsupported value.`);
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return;
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}
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this.active = tool;
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this.#dispatchEvent();
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}
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#dispatchEvent() {
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this.eventBus.dispatch("cursortoolchanged", {
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source: this,
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tool: this.active
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});
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}
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#addEventListeners() {
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this.eventBus._on("switchcursortool", evt => {
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this.switchTool(evt.tool);
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});
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this.eventBus._on("presentationmodechanged", evt => {
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switch (evt.state) {
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case _ui_utils.PresentationModeState.FULLSCREEN:
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{
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const previouslyActive = this.active;
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this.switchTool(CursorTool.SELECT);
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this.activeBeforePresentationMode = previouslyActive;
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break;
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}
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case _ui_utils.PresentationModeState.NORMAL:
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{
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const previouslyActive = this.activeBeforePresentationMode;
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this.activeBeforePresentationMode = null;
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this.switchTool(previouslyActive);
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break;
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}
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}
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});
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}
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}
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exports.PDFCursorTools = PDFCursorTools; |