yanchengPowerSupply/node_modules/pdfjs-dist/lib/web/secondary_toolbar.js

341 lines
9.3 KiB
JavaScript

/**
* @licstart The following is the entire license notice for the
* JavaScript code in this page
*
* Copyright 2022 Mozilla Foundation
*
* 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.
*
* @licend The above is the entire license notice for the
* JavaScript code in this page
*/
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.SecondaryToolbar = void 0;
var _ui_utils = require("./ui_utils.js");
var _pdf_cursor_tools = require("./pdf_cursor_tools.js");
var _base_viewer = require("./base_viewer.js");
class SecondaryToolbar {
constructor(options, eventBus) {
this.toolbar = options.toolbar;
this.toggleButton = options.toggleButton;
this.buttons = [{
element: options.presentationModeButton,
eventName: "presentationmode",
close: true
}, {
element: options.printButton,
eventName: "print",
close: true
}, {
element: options.downloadButton,
eventName: "download",
close: true
}, {
element: options.viewBookmarkButton,
eventName: null,
close: true
}, {
element: options.firstPageButton,
eventName: "firstpage",
close: true
}, {
element: options.lastPageButton,
eventName: "lastpage",
close: true
}, {
element: options.pageRotateCwButton,
eventName: "rotatecw",
close: false
}, {
element: options.pageRotateCcwButton,
eventName: "rotateccw",
close: false
}, {
element: options.cursorSelectToolButton,
eventName: "switchcursortool",
eventDetails: {
tool: _pdf_cursor_tools.CursorTool.SELECT
},
close: true
}, {
element: options.cursorHandToolButton,
eventName: "switchcursortool",
eventDetails: {
tool: _pdf_cursor_tools.CursorTool.HAND
},
close: true
}, {
element: options.scrollPageButton,
eventName: "switchscrollmode",
eventDetails: {
mode: _ui_utils.ScrollMode.PAGE
},
close: true
}, {
element: options.scrollVerticalButton,
eventName: "switchscrollmode",
eventDetails: {
mode: _ui_utils.ScrollMode.VERTICAL
},
close: true
}, {
element: options.scrollHorizontalButton,
eventName: "switchscrollmode",
eventDetails: {
mode: _ui_utils.ScrollMode.HORIZONTAL
},
close: true
}, {
element: options.scrollWrappedButton,
eventName: "switchscrollmode",
eventDetails: {
mode: _ui_utils.ScrollMode.WRAPPED
},
close: true
}, {
element: options.spreadNoneButton,
eventName: "switchspreadmode",
eventDetails: {
mode: _ui_utils.SpreadMode.NONE
},
close: true
}, {
element: options.spreadOddButton,
eventName: "switchspreadmode",
eventDetails: {
mode: _ui_utils.SpreadMode.ODD
},
close: true
}, {
element: options.spreadEvenButton,
eventName: "switchspreadmode",
eventDetails: {
mode: _ui_utils.SpreadMode.EVEN
},
close: true
}, {
element: options.documentPropertiesButton,
eventName: "documentproperties",
close: true
}];
this.buttons.push({
element: options.openFileButton,
eventName: "openfile",
close: true
});
this.items = {
firstPage: options.firstPageButton,
lastPage: options.lastPageButton,
pageRotateCw: options.pageRotateCwButton,
pageRotateCcw: options.pageRotateCcwButton
};
this.eventBus = eventBus;
this.opened = false;
this.#bindClickListeners();
this.#bindCursorToolsListener(options);
this.#bindScrollModeListener(options);
this.#bindSpreadModeListener(options);
this.reset();
}
get isOpen() {
return this.opened;
}
setPageNumber(pageNumber) {
this.pageNumber = pageNumber;
this.#updateUIState();
}
setPagesCount(pagesCount) {
this.pagesCount = pagesCount;
this.#updateUIState();
}
reset() {
this.pageNumber = 0;
this.pagesCount = 0;
this.#updateUIState();
this.eventBus.dispatch("secondarytoolbarreset", {
source: this
});
}
#updateUIState() {
this.items.firstPage.disabled = this.pageNumber <= 1;
this.items.lastPage.disabled = this.pageNumber >= this.pagesCount;
this.items.pageRotateCw.disabled = this.pagesCount === 0;
this.items.pageRotateCcw.disabled = this.pagesCount === 0;
}
#bindClickListeners() {
this.toggleButton.addEventListener("click", this.toggle.bind(this));
for (const {
element,
eventName,
close,
eventDetails
} of this.buttons) {
element.addEventListener("click", evt => {
if (eventName !== null) {
const details = {
source: this
};
for (const property in eventDetails) {
details[property] = eventDetails[property];
}
this.eventBus.dispatch(eventName, details);
}
if (close) {
this.close();
}
});
}
}
#bindCursorToolsListener({
cursorSelectToolButton,
cursorHandToolButton
}) {
this.eventBus._on("cursortoolchanged", function ({
tool
}) {
const isSelect = tool === _pdf_cursor_tools.CursorTool.SELECT,
isHand = tool === _pdf_cursor_tools.CursorTool.HAND;
cursorSelectToolButton.classList.toggle("toggled", isSelect);
cursorHandToolButton.classList.toggle("toggled", isHand);
cursorSelectToolButton.setAttribute("aria-checked", isSelect);
cursorHandToolButton.setAttribute("aria-checked", isHand);
});
}
#bindScrollModeListener({
scrollPageButton,
scrollVerticalButton,
scrollHorizontalButton,
scrollWrappedButton,
spreadNoneButton,
spreadOddButton,
spreadEvenButton
}) {
const scrollModeChanged = ({
mode
}) => {
const isPage = mode === _ui_utils.ScrollMode.PAGE,
isVertical = mode === _ui_utils.ScrollMode.VERTICAL,
isHorizontal = mode === _ui_utils.ScrollMode.HORIZONTAL,
isWrapped = mode === _ui_utils.ScrollMode.WRAPPED;
scrollPageButton.classList.toggle("toggled", isPage);
scrollVerticalButton.classList.toggle("toggled", isVertical);
scrollHorizontalButton.classList.toggle("toggled", isHorizontal);
scrollWrappedButton.classList.toggle("toggled", isWrapped);
scrollPageButton.setAttribute("aria-checked", isPage);
scrollVerticalButton.setAttribute("aria-checked", isVertical);
scrollHorizontalButton.setAttribute("aria-checked", isHorizontal);
scrollWrappedButton.setAttribute("aria-checked", isWrapped);
const forceScrollModePage = this.pagesCount > _base_viewer.PagesCountLimit.FORCE_SCROLL_MODE_PAGE;
scrollPageButton.disabled = forceScrollModePage;
scrollVerticalButton.disabled = forceScrollModePage;
scrollHorizontalButton.disabled = forceScrollModePage;
scrollWrappedButton.disabled = forceScrollModePage;
spreadNoneButton.disabled = isHorizontal;
spreadOddButton.disabled = isHorizontal;
spreadEvenButton.disabled = isHorizontal;
};
this.eventBus._on("scrollmodechanged", scrollModeChanged);
this.eventBus._on("secondarytoolbarreset", evt => {
if (evt.source === this) {
scrollModeChanged({
mode: _ui_utils.ScrollMode.VERTICAL
});
}
});
}
#bindSpreadModeListener({
spreadNoneButton,
spreadOddButton,
spreadEvenButton
}) {
function spreadModeChanged({
mode
}) {
const isNone = mode === _ui_utils.SpreadMode.NONE,
isOdd = mode === _ui_utils.SpreadMode.ODD,
isEven = mode === _ui_utils.SpreadMode.EVEN;
spreadNoneButton.classList.toggle("toggled", isNone);
spreadOddButton.classList.toggle("toggled", isOdd);
spreadEvenButton.classList.toggle("toggled", isEven);
spreadNoneButton.setAttribute("aria-checked", isNone);
spreadOddButton.setAttribute("aria-checked", isOdd);
spreadEvenButton.setAttribute("aria-checked", isEven);
}
this.eventBus._on("spreadmodechanged", spreadModeChanged);
this.eventBus._on("secondarytoolbarreset", evt => {
if (evt.source === this) {
spreadModeChanged({
mode: _ui_utils.SpreadMode.NONE
});
}
});
}
open() {
if (this.opened) {
return;
}
this.opened = true;
this.toggleButton.classList.add("toggled");
this.toggleButton.setAttribute("aria-expanded", "true");
this.toolbar.classList.remove("hidden");
}
close() {
if (!this.opened) {
return;
}
this.opened = false;
this.toolbar.classList.add("hidden");
this.toggleButton.classList.remove("toggled");
this.toggleButton.setAttribute("aria-expanded", "false");
}
toggle() {
if (this.opened) {
this.close();
} else {
this.open();
}
}
}
exports.SecondaryToolbar = SecondaryToolbar;