Merge pull request #7789 from yurydelendik/toolbar

Refactor toolbar.
This commit is contained in:
Yury Delendik 2016-11-18 12:53:51 -06:00 committed by GitHub
commit f6a8d9c4dd
7 changed files with 457 additions and 231 deletions

View File

@ -5,6 +5,7 @@
(function(window) {
var gLanguage = '';
var gExternalLocalizerServices = null;
var gReadyState = 'loading';
// fetch an l10n objects
function getL10nData(key) {
@ -99,6 +100,8 @@
translateFragment();
gReadyState = 'complete';
// fire a 'localized' DOM event
var evtObject = document.createEvent('Event');
evtObject.initEvent('localized', false, false);
@ -135,6 +138,8 @@
return (rtlList.indexOf(shortCode) >= 0) ? 'rtl' : 'ltr';
},
getReadyState: function() { return gReadyState; },
setExternalLocalizerServices: function (externalLocalizerServices) {
gExternalLocalizerServices = externalLocalizerServices;

View File

@ -101,9 +101,7 @@ document.webL10n = (function(window, document, undefined) {
function xhrLoadText(url, onSuccess, onFailure) {
onSuccess = onSuccess || function _onSuccess(data) {};
onFailure = onFailure || function _onFailure() {
console.warn(url + ' not found.');
};
onFailure = onFailure || function _onFailure() {};
var xhr = new XMLHttpRequest();
xhr.open('GET', url, gAsyncResourceLoading);
@ -244,7 +242,10 @@ document.webL10n = (function(window, document, undefined) {
function loadImport(url, callback) {
xhrLoadText(url, function(content) {
parseRawLines(content, false, callback); // don't allow recursive imports
}, null);
}, function () {
console.warn(url + ' not found.');
callback();
});
}
// fill the dictionary

View File

@ -22,20 +22,22 @@
'pdfjs-web/download_manager', 'pdfjs-web/pdf_history',
'pdfjs-web/preferences', 'pdfjs-web/pdf_sidebar',
'pdfjs-web/view_history', 'pdfjs-web/pdf_thumbnail_viewer',
'pdfjs-web/secondary_toolbar', 'pdfjs-web/password_prompt',
'pdfjs-web/pdf_presentation_mode', 'pdfjs-web/pdf_document_properties',
'pdfjs-web/hand_tool', 'pdfjs-web/pdf_viewer',
'pdfjs-web/pdf_rendering_queue', 'pdfjs-web/pdf_link_service',
'pdfjs-web/pdf_outline_viewer', 'pdfjs-web/overlay_manager',
'pdfjs-web/pdf_attachment_viewer', 'pdfjs-web/pdf_find_controller',
'pdfjs-web/pdf_find_bar', 'pdfjs-web/dom_events', 'pdfjs-web/pdfjs'],
'pdfjs-web/toolbar', 'pdfjs-web/secondary_toolbar',
'pdfjs-web/password_prompt', 'pdfjs-web/pdf_presentation_mode',
'pdfjs-web/pdf_document_properties', 'pdfjs-web/hand_tool',
'pdfjs-web/pdf_viewer', 'pdfjs-web/pdf_rendering_queue',
'pdfjs-web/pdf_link_service', 'pdfjs-web/pdf_outline_viewer',
'pdfjs-web/overlay_manager', 'pdfjs-web/pdf_attachment_viewer',
'pdfjs-web/pdf_find_controller', 'pdfjs-web/pdf_find_bar',
'pdfjs-web/dom_events', 'pdfjs-web/pdfjs'],
factory);
} else if (typeof exports !== 'undefined') {
factory(exports, require('./ui_utils.js'), require('./download_manager.js'),
require('./pdf_history.js'), require('./preferences.js'),
require('./pdf_sidebar.js'), require('./view_history.js'),
require('./pdf_thumbnail_viewer.js'), require('./secondary_toolbar.js'),
require('./password_prompt.js'), require('./pdf_presentation_mode.js'),
require('./pdf_thumbnail_viewer.js'), require('./toolbar.js'),
require('./secondary_toolbar.js'), require('./password_prompt.js'),
require('./pdf_presentation_mode.js'),
require('./pdf_document_properties.js'), require('./hand_tool.js'),
require('./pdf_viewer.js'), require('./pdf_rendering_queue.js'),
require('./pdf_link_service.js'), require('./pdf_outline_viewer.js'),
@ -47,25 +49,28 @@
root.pdfjsWebDownloadManager, root.pdfjsWebPDFHistory,
root.pdfjsWebPreferences, root.pdfjsWebPDFSidebar,
root.pdfjsWebViewHistory, root.pdfjsWebPDFThumbnailViewer,
root.pdfjsWebSecondaryToolbar, root.pdfjsWebPasswordPrompt,
root.pdfjsWebPDFPresentationMode, root.pdfjsWebPDFDocumentProperties,
root.pdfjsWebHandTool, root.pdfjsWebPDFViewer,
root.pdfjsWebPDFRenderingQueue, root.pdfjsWebPDFLinkService,
root.pdfjsWebPDFOutlineViewer, root.pdfjsWebOverlayManager,
root.pdfjsWebPDFAttachmentViewer, root.pdfjsWebPDFFindController,
root.pdfjsWebPDFFindBar, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
root.pdfjsWebToolbar, root.pdfjsWebSecondaryToolbar,
root.pdfjsWebPasswordPrompt, root.pdfjsWebPDFPresentationMode,
root.pdfjsWebPDFDocumentProperties, root.pdfjsWebHandTool,
root.pdfjsWebPDFViewer, root.pdfjsWebPDFRenderingQueue,
root.pdfjsWebPDFLinkService, root.pdfjsWebPDFOutlineViewer,
root.pdfjsWebOverlayManager, root.pdfjsWebPDFAttachmentViewer,
root.pdfjsWebPDFFindController, root.pdfjsWebPDFFindBar,
root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
}
}(this, function (exports, uiUtilsLib, downloadManagerLib, pdfHistoryLib,
preferencesLib, pdfSidebarLib, viewHistoryLib,
pdfThumbnailViewerLib, secondaryToolbarLib, passwordPromptLib,
pdfPresentationModeLib, pdfDocumentPropertiesLib, handToolLib,
pdfViewerLib, pdfRenderingQueueLib, pdfLinkServiceLib,
pdfOutlineViewerLib, overlayManagerLib,
pdfAttachmentViewerLib, pdfFindControllerLib, pdfFindBarLib,
domEventsLib, pdfjsLib) {
pdfThumbnailViewerLib, toolbarLib, secondaryToolbarLib,
passwordPromptLib, pdfPresentationModeLib,
pdfDocumentPropertiesLib, handToolLib, pdfViewerLib,
pdfRenderingQueueLib, pdfLinkServiceLib, pdfOutlineViewerLib,
overlayManagerLib, pdfAttachmentViewerLib,
pdfFindControllerLib, pdfFindBarLib, domEventsLib, pdfjsLib) {
var UNKNOWN_SCALE = uiUtilsLib.UNKNOWN_SCALE;
var DEFAULT_SCALE_VALUE = uiUtilsLib.DEFAULT_SCALE_VALUE;
var MIN_SCALE = uiUtilsLib.MIN_SCALE;
var MAX_SCALE = uiUtilsLib.MAX_SCALE;
var ProgressBar = uiUtilsLib.ProgressBar;
var getPDFFileNameFromURL = uiUtilsLib.getPDFFileNameFromURL;
var noContextMenuHandler = uiUtilsLib.noContextMenuHandler;
@ -77,6 +82,7 @@ var SidebarView = pdfSidebarLib.SidebarView;
var PDFSidebar = pdfSidebarLib.PDFSidebar;
var ViewHistory = viewHistoryLib.ViewHistory;
var PDFThumbnailViewer = pdfThumbnailViewerLib.PDFThumbnailViewer;
var Toolbar = toolbarLib.Toolbar;
var SecondaryToolbar = secondaryToolbarLib.SecondaryToolbar;
var PasswordPrompt = passwordPromptLib.PasswordPrompt;
var PDFPresentationMode = pdfPresentationModeLib.PDFPresentationMode;
@ -94,13 +100,10 @@ var PDFFindController = pdfFindControllerLib.PDFFindController;
var PDFFindBar = pdfFindBarLib.PDFFindBar;
var getGlobalEventBus = domEventsLib.getGlobalEventBus;
var normalizeWheelEventDelta = uiUtilsLib.normalizeWheelEventDelta;
var animationStarted = uiUtilsLib.animationStarted;
var localized = uiUtilsLib.localized;
var DEFAULT_SCALE_DELTA = 1.1;
var MIN_SCALE = 0.25;
var MAX_SCALE = 10.0;
var SCALE_SELECT_CONTAINER_PADDING = 8;
var SCALE_SELECT_PADDING = 22;
var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
function configure(PDFJS) {
@ -169,11 +172,14 @@ var PDFViewerApplication = {
store: null,
/** @type {DownloadManager} */
downloadManager: null,
/** @type {Toolbar} */
toolbar: null,
/** @type {SecondaryToolbar} */
secondaryToolbar: null,
/** @type {EventBus} */
eventBus: null,
pageRotation: 0,
isInitialViewSet: false,
animationStartedPromise: null,
preferenceSidebarViewOnLoad: SidebarView.NONE,
preferencePdfBugEnabled: false,
preferenceShowPreviousViewOnLoad: true,
@ -183,7 +189,6 @@ var PDFViewerApplication = {
url: '',
baseUrl: '',
externalServices: DefaultExernalServices,
hasPageLabels: false,
// called once when the document is loaded
initialize: function pdfViewInitialize(appConfig) {
@ -274,6 +279,8 @@ var PDFViewerApplication = {
this.pdfDocumentProperties =
new PDFDocumentProperties(appConfig.documentProperties);
this.toolbar = new Toolbar(appConfig.toolbar, container, eventBus);
this.secondaryToolbar =
new SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
@ -572,7 +579,6 @@ var PDFViewerApplication = {
}
this.store = null;
this.isInitialViewSet = false;
this.hasPageLabels = false;
this.pdfSidebar.reset();
this.pdfOutlineViewer.reset();
@ -580,6 +586,8 @@ var PDFViewerApplication = {
this.findController.reset();
this.findBar.reset();
this.toolbar.reset();
this.secondaryToolbar.reset();
if (typeof PDFBug !== 'undefined') {
PDFBug.cleanup();
@ -859,9 +867,8 @@ var PDFViewerApplication = {
self.loadingBar.hide();
});
this._updateUIToolbar({
resetNumPages: true,
});
this.toolbar.setPagesCount(pdfDocument.numPages, false);
this.secondaryToolbar.setPagesCount(pdfDocument.numPages);
var id = this.documentFingerprint = pdfDocument.fingerprint;
var store = this.store = new ViewHistory(id);
@ -987,10 +994,11 @@ var PDFViewerApplication = {
pdfViewer.setPageLabels(labels);
pdfThumbnailViewer.setPageLabels(labels);
self.hasPageLabels = true;
self._updateUIToolbar({
resetNumPages: true,
});
// Changing toolbar page display to use labels and we need to set
// the label of the current page.
self.toolbar.setPagesCount(pdfDocument.numPages, true);
self.toolbar.setPageNumber(pdfViewer.currentPageNumber,
pdfViewer.currentPageLabel);
});
pagesPromise.then(function() {
@ -1015,8 +1023,7 @@ var PDFViewerApplication = {
}
});
Promise.all([onePageRendered, this.animationStartedPromise]).then(
function() {
Promise.all([onePageRendered, animationStarted]).then(function() {
pdfDocument.getOutline().then(function(outline) {
self.pdfOutlineViewer.render({ outline: outline });
});
@ -1114,6 +1121,12 @@ var PDFViewerApplication = {
this.page = 1;
}
// Ensure that the correct page number is displayed in the UI,
// even if the active page didn't change during document load.
this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber,
this.pdfViewer.currentPageLabel);
this.secondaryToolbar.setPageNumber(this.pdfViewer.currentPageNumber);
if (!this.pdfViewer.currentScaleValue) {
// Scale was not initialized: invalid bookmark or scale was not specified.
// Setting the default one.
@ -1217,87 +1230,10 @@ var PDFViewerApplication = {
this.pdfPresentationMode.request();
},
/**
* @typedef UpdateUIToolbarParameters
* @property {number} pageNumber
* @property {string} pageLabel
* @property {string} scaleValue
* @property {number} scale
* @property {boolean} resetNumPages
*/
/**
* @param {Object} UpdateUIToolbarParameters
* @private
*/
_updateUIToolbar: function (params) {
function selectScaleOption(value, scale) {
var options = toolbarConfig.scaleSelect.options;
var predefinedValueFound = false;
for (var i = 0, ii = options.length; i < ii; i++) {
var option = options[i];
if (option.value !== value) {
option.selected = false;
continue;
}
option.selected = true;
predefinedValueFound = true;
}
if (!predefinedValueFound) {
var customScale = Math.round(scale * 10000) / 100;
toolbarConfig.customScaleOption.textContent =
mozL10n.get('page_scale_percent', {scale: customScale}, '{{scale}}%');
toolbarConfig.customScaleOption.selected = true;
}
}
var pageNumber = params.pageNumber || this.pdfViewer.currentPageNumber;
var scaleValue = (params.scaleValue || params.scale ||
this.pdfViewer.currentScaleValue || DEFAULT_SCALE_VALUE).toString();
var scale = params.scale || this.pdfViewer.currentScale;
var resetNumPages = params.resetNumPages || false;
var toolbarConfig = this.appConfig.toolbar;
var pagesCount = this.pagesCount;
if (resetNumPages) {
if (this.hasPageLabels) {
toolbarConfig.pageNumber.type = 'text';
} else {
toolbarConfig.pageNumber.type = 'number';
toolbarConfig.numPages.textContent = mozL10n.get('of_pages',
{ pagesCount: pagesCount }, 'of {{pagesCount}}');
}
toolbarConfig.pageNumber.max = pagesCount;
}
if (this.hasPageLabels) {
toolbarConfig.pageNumber.value = params.pageLabel ||
this.pdfViewer.currentPageLabel;
toolbarConfig.numPages.textContent = mozL10n.get('page_of_pages',
{ pageNumber: pageNumber, pagesCount: pagesCount },
'({{pageNumber}} of {{pagesCount}})');
} else {
toolbarConfig.pageNumber.value = pageNumber;
}
toolbarConfig.previous.disabled = (pageNumber <= 1);
toolbarConfig.next.disabled = (pageNumber >= pagesCount);
toolbarConfig.firstPage.disabled = (pageNumber <= 1);
toolbarConfig.lastPage.disabled = (pageNumber >= pagesCount);
toolbarConfig.zoomOut.disabled = (scale <= MIN_SCALE);
toolbarConfig.zoomIn.disabled = (scale >= MAX_SCALE);
selectScaleOption(scaleValue, scale);
},
bindEvents: function pdfViewBindEvents() {
var eventBus = this.eventBus;
eventBus.on('resize', webViewerResize);
eventBus.on('localized', webViewerLocalized);
eventBus.on('hashchange', webViewerHashchange);
eventBus.on('beforeprint', this.beforePrint.bind(this));
eventBus.on('afterprint', this.afterPrint.bind(this));
@ -1316,6 +1252,12 @@ var PDFViewerApplication = {
eventBus.on('download', webViewerDownload);
eventBus.on('firstpage', webViewerFirstPage);
eventBus.on('lastpage', webViewerLastPage);
eventBus.on('nextpage', webViewerNextPage);
eventBus.on('previouspage', webViewerPreviousPage);
eventBus.on('zoomin', webViewerZoomIn);
eventBus.on('zoomout', webViewerZoomOut);
eventBus.on('pagenumberchanged', webViewerPageNumberChanged);
eventBus.on('scalechanged', webViewerScaleChanged);
eventBus.on('rotatecw', webViewerRotateCw);
eventBus.on('rotateccw', webViewerRotateCcw);
eventBus.on('documentproperties', webViewerDocumentProperties);
@ -1509,9 +1451,6 @@ function webViewerInitialized() {
appConfig.toolbar.viewFind.classList.add('hidden');
}
// Suppress context menus for some controls
appConfig.toolbar.scaleSelect.oncontextmenu = noContextMenuHandler;
appConfig.sidebar.mainContainer.addEventListener('transitionend',
function(e) {
if (e.target === /* mainContainer */ this) {
@ -1523,63 +1462,6 @@ function webViewerInitialized() {
PDFViewerApplication.pdfSidebar.toggle();
});
appConfig.toolbar.previous.addEventListener('click', function() {
PDFViewerApplication.page--;
});
appConfig.toolbar.next.addEventListener('click', function() {
PDFViewerApplication.page++;
});
appConfig.toolbar.zoomIn.addEventListener('click', function() {
PDFViewerApplication.zoomIn();
});
appConfig.toolbar.zoomOut.addEventListener('click', function() {
PDFViewerApplication.zoomOut();
});
appConfig.toolbar.pageNumber.addEventListener('click', function() {
this.select();
});
appConfig.toolbar.pageNumber.addEventListener('change', function() {
var pdfViewer = PDFViewerApplication.pdfViewer;
pdfViewer.currentPageLabel = this.value;
// Ensure that the page number input displays the correct value, even if the
// value entered by the user was invalid (e.g. a floating point number).
if (this.value !== pdfViewer.currentPageNumber.toString() &&
this.value !== pdfViewer.currentPageLabel) {
PDFViewerApplication._updateUIToolbar({});
}
});
appConfig.toolbar.scaleSelect.addEventListener('change', function() {
if (this.value === 'custom') {
return;
}
PDFViewerApplication.pdfViewer.currentScaleValue = this.value;
});
appConfig.toolbar.presentationModeButton.addEventListener('click',
function (e) {
PDFViewerApplication.eventBus.dispatch('presentationmode');
});
appConfig.toolbar.openFile.addEventListener('click', function (e) {
PDFViewerApplication.eventBus.dispatch('openfile');
});
appConfig.toolbar.print.addEventListener('click', function (e) {
PDFViewerApplication.eventBus.dispatch('print');
});
appConfig.toolbar.download.addEventListener('click', function (e) {
PDFViewerApplication.eventBus.dispatch('download');
});
Promise.all(waitForBeforeOpening).then(function () {
webViewerOpenFileViaURL(file);
}).catch(function (reason) {
@ -1636,8 +1518,7 @@ function webViewerPageRendered(e) {
// If the page is still visible when it has finished rendering,
// ensure that the page number input loading indicator is hidden.
if (pageNumber === PDFViewerApplication.page) {
var pageNumberInput = PDFViewerApplication.appConfig.toolbar.pageNumber;
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
}
// Prevent errors in the edge-case where the PDF document is removed *before*
@ -1789,15 +1670,10 @@ function webViewerUpdateViewarea(e) {
location.pageNumber);
// Show/hide the loading indicator in the page number input element.
var pageNumberInput = PDFViewerApplication.appConfig.toolbar.pageNumber;
var currentPage =
PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
if (currentPage.renderingState === RenderingStates.FINISHED) {
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
} else {
pageNumberInput.classList.add(PAGE_NUMBER_LOADING_INDICATOR);
}
var loading = currentPage.renderingState !== RenderingStates.FINISHED;
PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading);
}
window.addEventListener('resize', function webViewerResize(evt) {
@ -1884,31 +1760,9 @@ if (typeof PDFJSDev === 'undefined' || PDFJSDev.test('GENERIC')) {
};
}
window.addEventListener('localized', function localized(evt) {
PDFViewerApplication.eventBus.dispatch('localized');
});
function webViewerLocalized() {
document.getElementsByTagName('html')[0].dir = mozL10n.getDirection();
PDFViewerApplication.animationStartedPromise.then(function() {
// Adjust the width of the zoom box to fit the content.
// Note: If the window is narrow enough that the zoom box is not visible,
// we temporarily show it to be able to adjust its width.
var container = PDFViewerApplication.appConfig.toolbar.scaleSelectContainer;
if (container.clientWidth === 0) {
container.setAttribute('style', 'display: inherit;');
}
if (container.clientWidth > 0) {
var select = PDFViewerApplication.appConfig.toolbar.scaleSelect;
select.setAttribute('style', 'min-width: inherit;');
var width = select.clientWidth + SCALE_SELECT_CONTAINER_PADDING;
select.setAttribute('style', 'min-width: ' +
(width + SCALE_SELECT_PADDING) + 'px;');
container.setAttribute('style', 'min-width: ' + width + 'px; ' +
'max-width: ' + width + 'px;');
}
});
PDFViewerApplication.eventBus.dispatch('localized');
}
function webViewerPresentationMode() {
@ -1934,6 +1788,33 @@ function webViewerLastPage() {
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
}
}
function webViewerNextPage() {
PDFViewerApplication.page++;
}
function webViewerPreviousPage() {
PDFViewerApplication.page--;
}
function webViewerZoomIn() {
PDFViewerApplication.zoomIn();
}
function webViewerZoomOut() {
PDFViewerApplication.zoomOut();
}
function webViewerPageNumberChanged(e) {
var pdfViewer = PDFViewerApplication.pdfViewer;
pdfViewer.currentPageLabel = e.value;
// Ensure that the page number input displays the correct value, even if the
// value entered by the user was invalid (e.g. a floating point number).
if (e.value !== pdfViewer.currentPageNumber.toString() &&
e.value !== pdfViewer.currentPageLabel) {
PDFViewerApplication.toolbar.setPageNumber(
pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
}
}
function webViewerScaleChanged(e) {
PDFViewerApplication.pdfViewer.currentScaleValue = e.value;
}
function webViewerRotateCw() {
PDFViewerApplication.rotatePages(90);
}
@ -1965,10 +1846,7 @@ function webViewerFindFromUrlHash(e) {
}
function webViewerScaleChanging(e) {
PDFViewerApplication._updateUIToolbar({
scaleValue: e.presetValue,
scale: e.scale,
});
PDFViewerApplication.toolbar.setPageScale(e.presetValue, e.scale);
if (!PDFViewerApplication.initialized) {
return;
@ -1979,10 +1857,8 @@ function webViewerScaleChanging(e) {
function webViewerPageChanging(e) {
var page = e.pageNumber;
PDFViewerApplication._updateUIToolbar({
pageNumber: page,
pageLabel: e.pageLabel,
});
PDFViewerApplication.toolbar.setPageNumber(page, e.pageLabel || null);
PDFViewerApplication.secondaryToolbar.setPageNumber(page);
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
@ -2332,14 +2208,7 @@ window.addEventListener('afterprint', function afterPrint(evt) {
PDFViewerApplication.eventBus.dispatch('afterprint');
});
(function animationStartedClosure() {
// The offsetParent is not set until the pdf.js iframe or object is visible.
// Waiting for first animation.
PDFViewerApplication.animationStartedPromise = new Promise(
function (resolve) {
window.requestAnimationFrame(resolve);
});
})();
localized.then(webViewerLocalized);
/* Abstract factory for the print service. */
var PDFPrintServiceFactory = {

View File

@ -91,6 +91,12 @@ var SecondaryToolbar = (function SecondaryToolbarClosure() {
{ element: options.documentPropertiesButton,
eventName: 'documentproperties', close: true }
];
this.items = {
firstPage: options.firstPageButton,
lastPage: options.lastPageButton,
pageRotateCw: options.pageRotateCwButton,
pageRotateCcw: options.pageRotateCcwButton,
};
this.mainContainer = mainContainer;
this.eventBus = eventBus;
@ -99,6 +105,8 @@ var SecondaryToolbar = (function SecondaryToolbarClosure() {
this.containerHeight = null;
this.previousContainerHeight = null;
this.reset();
// Bind the event listeners for click and hand tool actions.
this._bindClickListeners();
this._bindHandToolListener(options.toggleHandToolButton);
@ -115,6 +123,31 @@ var SecondaryToolbar = (function SecondaryToolbarClosure() {
return this.opened;
},
setPageNumber: function SecondaryToolbar_setPageNumber(pageNumber) {
this.pageNumber = pageNumber;
this._updateUIState();
},
setPagesCount: function SecondaryToolbar_setPagesCount(pagesCount) {
this.pagesCount = pagesCount;
this._updateUIState();
},
reset: function SecondaryToolbar_reset() {
this.pageNumber = 0;
this.pagesCount = 0;
this._updateUIState();
},
_updateUIState: function SecondaryToolbar_updateUIState() {
var items = this.items;
items.firstPage.disabled = (this.pageNumber <= 1);
items.lastPage.disabled = (this.pageNumber >= this.pagesCount);
items.pageRotateCw.disabled = this.pagesCount === 0;
items.pageRotateCcw.disabled = this.pagesCount === 0;
},
_bindClickListeners: function SecondaryToolbar_bindClickListeners() {
// Button to toggle the visibility of the secondary toolbar.
this.toggleButton.addEventListener('click', this.toggle.bind(this));

290
web/toolbar.js Normal file
View File

@ -0,0 +1,290 @@
/* Copyright 2016 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.
*/
'use strict';
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
define('pdfjs-web/toolbar', ['exports', 'pdfjs-web/ui_utils'],
factory);
} else if (typeof exports !== 'undefined') {
factory(exports, require('./ui_utils.js'));
} else {
factory((root.pdfjsWebToolbar = {}), root.pdfjsWebUIUtils);
}
}(this, function (exports, uiUtils) {
var mozL10n = uiUtils.mozL10n;
var noContextMenuHandler = uiUtils.noContextMenuHandler;
var animationStarted = uiUtils.animationStarted;
var localized = uiUtils.localized;
var DEFAULT_SCALE_VALUE = uiUtils.DEFAULT_SCALE_VALUE;
var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE;
var MIN_SCALE = uiUtils.MIN_SCALE;
var MAX_SCALE = uiUtils.MAX_SCALE;
var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
var SCALE_SELECT_CONTAINER_PADDING = 8;
var SCALE_SELECT_PADDING = 22;
/**
* @typedef {Object} ToolbarOptions
* @property {HTMLDivElement} container - Container for the secondary toolbar.
* @property {HTMLSpanElement} numPages - Label that contains number of pages.
* @property {HTMLInputElement} pageNumber - Control for display and user input
* of the current page number.
* @property {HTMLSpanElement} scaleSelectContainer - Container where scale
* controls are placed. The width is adjusted on UI initialization.
* @property {HTMLSelectElement} scaleSelect - Scale selection control.
* @property {HTMLOptionElement} customScaleOption - The item used to display
* a non-predefined scale.
* @property {HTMLButtonElement} previous - Button to go to the previous page.
* @property {HTMLButtonElement} next - Button to go to the next page.
* @property {HTMLButtonElement} zoomIn - Button to zoom in the pages.
* @property {HTMLButtonElement} zoomOut - Button to zoom out the pages.
* @property {HTMLButtonElement} viewFind - Button to open find bar.
* @property {HTMLButtonElement} openFile - Button to open a new document.
* @property {HTMLButtonElement} presentationModeButton - Button to switch to
* presentation mode.
* @property {HTMLButtonElement} download - Button to download the document.
* @property {HTMLAElement} viewBookmark - Element to link current url of
* the page view.
*/
/**
* @class
*/
var Toolbar = (function ToolbarClosure() {
/**
* @constructs Toolbar
* @param {ToolbarOptions} options
* @param {HTMLDivElement} mainContainer
* @param {EventBus} eventBus
*/
function Toolbar(options, mainContainer, eventBus) {
this.toolbar = options.container;
this.mainContainer = mainContainer;
this.eventBus = eventBus;
this.items = options;
this._wasLocalized = false;
this.reset();
// Bind the event listeners for click and hand tool actions.
this._bindListeners();
}
Toolbar.prototype = {
setPageNumber: function (pageNumber, pageLabel) {
this.pageNumber = pageNumber;
this.pageLabel = pageLabel;
this._updateUIState(false);
},
setPagesCount: function (pagesCount, hasPageLabels) {
this.pagesCount = pagesCount;
this.hasPageLabels = hasPageLabels;
this._updateUIState(true);
},
setPageScale: function (pageScaleValue, pageScale) {
this.pageScaleValue = pageScaleValue;
this.pageScale = pageScale;
this._updateUIState(false);
},
reset: function () {
this.pageNumber = 0;
this.pageLabel = null;
this.hasPageLabels = false;
this.pagesCount = 0;
this.pageScaleValue = DEFAULT_SCALE_VALUE;
this.pageScale = DEFAULT_SCALE;
this._updateUIState(true);
},
_bindListeners: function Toolbar_bindClickListeners() {
var eventBus = this.eventBus;
var self = this;
var items = this.items;
items.previous.addEventListener('click', function() {
eventBus.dispatch('previouspage');
});
items.next.addEventListener('click', function() {
eventBus.dispatch('nextpage');
});
items.zoomIn.addEventListener('click', function() {
eventBus.dispatch('zoomin');
});
items.zoomOut.addEventListener('click', function() {
eventBus.dispatch('zoomout');
});
items.pageNumber.addEventListener('click', function() {
this.select();
});
items.pageNumber.addEventListener('change', function() {
eventBus.dispatch('pagenumberchanged', {
source: self,
value: this.value
});
});
items.scaleSelect.addEventListener('change', function() {
if (this.value === 'custom') {
return;
}
eventBus.dispatch('scalechanged', {
source: self,
value: this.value
});
});
items.presentationModeButton.addEventListener('click',
function (e) {
eventBus.dispatch('presentationmode');
});
items.openFile.addEventListener('click', function (e) {
eventBus.dispatch('openfile');
});
items.print.addEventListener('click', function (e) {
eventBus.dispatch('print');
});
items.download.addEventListener('click', function (e) {
eventBus.dispatch('download');
});
// Suppress context menus for some controls
items.scaleSelect.oncontextmenu = noContextMenuHandler;
localized.then(this._localized.bind(this));
},
_localized: function Toolbar_localized() {
this._wasLocalized = true;
this._adjustScaleWidth();
this._updateUIState(true);
},
_updateUIState: function Toolbar_updateUIState(resetNumPages) {
function selectScaleOption(value, scale) {
var options = items.scaleSelect.options;
var predefinedValueFound = false;
for (var i = 0, ii = options.length; i < ii; i++) {
var option = options[i];
if (option.value !== value) {
option.selected = false;
continue;
}
option.selected = true;
predefinedValueFound = true;
}
if (!predefinedValueFound) {
var customScale = Math.round(scale * 10000) / 100;
items.customScaleOption.textContent =
mozL10n.get('page_scale_percent', {scale: customScale},
'{{scale}}%');
items.customScaleOption.selected = true;
}
}
if (!this._wasLocalized) {
// Don't update UI state until we will localize the toolbar.
return;
}
var pageNumber = this.pageNumber;
var scaleValue = (this.pageScaleValue || this.pageScale).toString();
var scale = this.pageScale;
var items = this.items;
var pagesCount = this.pagesCount;
if (resetNumPages) {
if (this.hasPageLabels) {
items.pageNumber.type = 'text';
} else {
items.pageNumber.type = 'number';
items.numPages.textContent = mozL10n.get('of_pages',
{ pagesCount: pagesCount }, 'of {{pagesCount}}');
}
items.pageNumber.max = pagesCount;
}
if (this.hasPageLabels) {
items.pageNumber.value = this.pageLabel;
items.numPages.textContent = mozL10n.get('page_of_pages',
{ pageNumber: pageNumber, pagesCount: pagesCount },
'({{pageNumber}} of {{pagesCount}})');
} else {
items.pageNumber.value = pageNumber;
}
items.previous.disabled = (pageNumber <= 1);
items.next.disabled = (pageNumber >= pagesCount);
items.zoomOut.disabled = (scale <= MIN_SCALE);
items.zoomIn.disabled = (scale >= MAX_SCALE);
selectScaleOption(scaleValue, scale);
},
updateLoadingIndicatorState:
function Toolbar_updateLoadingIndicatorState(loading) {
var pageNumberInput = this.items.pageNumber;
if (loading) {
pageNumberInput.classList.add(PAGE_NUMBER_LOADING_INDICATOR);
} else {
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
}
},
_adjustScaleWidth: function Toolbar_adjustScaleWidth() {
var container = this.items.scaleSelectContainer;
var select = this.items.scaleSelect;
animationStarted.then(function() {
// Adjust the width of the zoom box to fit the content.
// Note: If the window is narrow enough that the zoom box is not
// visible, we temporarily show it to be able to adjust its width.
if (container.clientWidth === 0) {
container.setAttribute('style', 'display: inherit;');
}
if (container.clientWidth > 0) {
select.setAttribute('style', 'min-width: inherit;');
var width = select.clientWidth + SCALE_SELECT_CONTAINER_PADDING;
select.setAttribute('style', 'min-width: ' +
(width + SCALE_SELECT_PADDING) + 'px;');
container.setAttribute('style', 'min-width: ' + width + 'px; ' +
'max-width: ' + width + 'px;');
}
});
},
};
return Toolbar;
})();
exports.Toolbar = Toolbar;
}));

View File

@ -28,6 +28,8 @@
var CSS_UNITS = 96.0 / 72.0;
var DEFAULT_SCALE_VALUE = 'auto';
var DEFAULT_SCALE = 1.0;
var MIN_SCALE = 0.25;
var MAX_SCALE = 10.0;
var UNKNOWN_SCALE = 0;
var MAX_AUTO_SCALE = 1.25;
var SCROLLBAR_PADDING = 40;
@ -122,7 +124,7 @@ function getOutputScale(ctx) {
function scrollIntoView(element, spot, skipOverflowHiddenElements) {
// Assuming offsetParent is available (it's not available when viewer is in
// hidden iframe or object). We have to scroll: if the offsetParent is not set
// producing the error. See also animationStartedClosure.
// producing the error. See also animationStarted.
var parent = element.offsetParent;
if (!parent) {
console.error('offsetParent is not set -- cannot scroll');
@ -408,6 +410,30 @@ function normalizeWheelEventDelta(evt) {
return delta;
}
/**
* Promise that is resolved when DOM window becomes visible.
*/
var animationStarted = new Promise(function (resolve) {
window.requestAnimationFrame(resolve);
});
/**
* Promise that is resolved when UI localization is finished.
*/
var localized = new Promise(function (resolve, reject) {
if (!mozL10n) {
reject(new Error('mozL10n service is not available.'));
return;
}
if (mozL10n.getReadyState() !== 'loading') {
resolve();
return;
}
window.addEventListener('localized', function localized(evt) {
resolve();
});
});
/**
* Simple event bus for an application. Listeners are attached using the
* `on` and `off` methods. To raise an event, the `dispatch` method shall be
@ -536,6 +562,8 @@ var ProgressBar = (function ProgressBarClosure() {
exports.CSS_UNITS = CSS_UNITS;
exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
exports.DEFAULT_SCALE = DEFAULT_SCALE;
exports.MIN_SCALE = MIN_SCALE;
exports.MAX_SCALE = MAX_SCALE;
exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
@ -554,4 +582,6 @@ exports.scrollIntoView = scrollIntoView;
exports.watchScroll = watchScroll;
exports.binarySearchFirstItem = binarySearchFirstItem;
exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
exports.animationStarted = animationStarted;
exports.localized = localized;
}));

View File

@ -65,8 +65,6 @@ function getViewerConfiguration() {
customScaleOption: document.getElementById('customScaleOption'),
previous: document.getElementById('previous'),
next: document.getElementById('next'),
firstPage: document.getElementById('firstPage'),
lastPage: document.getElementById('lastPage'),
zoomIn: document.getElementById('zoomIn'),
zoomOut: document.getElementById('zoomOut'),
viewFind: document.getElementById('viewFind'),