// This file is loaded into the browser window scope.
/* eslint-env mozilla/browser-window */
// -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*-
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
customElements.define("printpreview-toolbar", class PrintPreviewToolbar extends MozXULElement {
constructor() {
super();
this.disconnectedCallback = this.disconnectedCallback.bind(this);
}
connectedCallback() {
window.addEventListener("unload", this.disconnectedCallback, { once: true });
this.appendChild(MozXULElement.parseXULToFragment(`
`, [
"chrome://global/locale/printPreview.dtd",
]));
this.mPrintButton = document.getElementById("print-preview-print");
this.mPageSetupButton = document.getElementById("print-preview-pageSetup");
this.mNavigateHomeButton = document.getElementById("print-preview-navigateHome");
this.mNavigatePreviousButton = document.getElementById("print-preview-navigatePrevious");
this.mPageTextBox = document.getElementById("print-preview-pageNumber");
this.mNavigateNextButton = document.getElementById("print-preview-navigateNext");
this.mNavigateEndButton = document.getElementById("print-preview-navigateEnd");
this.mTotalPages = document.getElementById("print-preview-totalPages");
this.mScaleCombobox = document.getElementById("print-preview-scale");
this.mPortaitButton = document.getElementById("print-preview-portrait-button");
this.mLandscapeButton = document.getElementById("print-preview-landscape-button");
this.mSimplifyPageCheckbox = document.getElementById("print-preview-simplify");
this.mSimplifyPageNotAllowed = this.mSimplifyPageCheckbox.disabled;
this.mSimplifyPageToolbarSeparator = this.mSimplifyPageCheckbox.nextElementSibling;
this.mPrintPreviewObs = "";
this.mWebProgress = "";
this.mPPBrowser = null;
this.mMessageManager = null;
this.mOnPageTextBoxChange = () => {
this.navigate(0, Number(this.mPageTextBox.value), 0);
};
this.mPageTextBox.addEventListener("change", this.mOnPageTextBoxChange);
}
initialize(aPPBrowser) {
let { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
if (!Services.prefs.getBoolPref("print.use_simplify_page")) {
this.mSimplifyPageCheckbox.hidden = true;
this.mSimplifyPageToolbarSeparator.hidden = true;
}
this.mPPBrowser = aPPBrowser;
this.mMessageManager = aPPBrowser.messageManager;
this.mMessageManager.addMessageListener("Printing:Preview:UpdatePageCount", this);
this.updateToolbar();
let ltr = document.documentElement.matches(":root:-moz-locale-dir(ltr)");
// Windows 7 doesn't support ⏮ and ⏭ by default, and fallback doesn't
// always work (bug 1343330).
let { AppConstants } = ChromeUtils.import("resource://gre/modules/AppConstants.jsm");
let useCompatCharacters = AppConstants.isPlatformAndVersionAtMost("win", "6.1");
let leftEnd = useCompatCharacters ? "\u23EA" : "\u23EE";
let rightEnd = useCompatCharacters ? "\u23E9" : "\u23ED";
this.mNavigateHomeButton.label = ltr ? leftEnd : rightEnd;
this.mNavigatePreviousButton.label = ltr ? "\u25C2" : "\u25B8";
this.mNavigateNextButton.label = ltr ? "\u25B8" : "\u25C2";
this.mNavigateEndButton.label = ltr ? rightEnd : leftEnd;
}
destroy() {
if (this.mMessageManager) {
this.mMessageManager.removeMessageListener("Printing:Preview:UpdatePageCount", this);
delete this.mMessageManager;
delete this.mPPBrowser;
}
}
disconnectedCallback() {
window.removeEventListener("unload", this.disconnectedCallback);
this.mPageTextBox.removeEventListener("change", this.mOnPageTextBoxChange);
this.destroy();
}
disableUpdateTriggers(aDisabled) {
this.mPrintButton.disabled = aDisabled;
this.mPageSetupButton.disabled = aDisabled;
this.mNavigateHomeButton.disabled = aDisabled;
this.mNavigatePreviousButton.disabled = aDisabled;
this.mPageTextBox.disabled = aDisabled;
this.mNavigateNextButton.disabled = aDisabled;
this.mNavigateEndButton.disabled = aDisabled;
this.mScaleCombobox.disabled = aDisabled;
this.mPortaitButton.disabled = aDisabled;
this.mLandscapeButton.disabled = aDisabled;
this.mSimplifyPageCheckbox.disabled = this.mSimplifyPageNotAllowed || aDisabled;
}
doPageSetup() {
/* import-globals-from printUtils.js */
var didOK = PrintUtils.showPageSetup();
if (didOK) {
// the changes that effect the UI
this.updateToolbar();
// Now do PrintPreview
PrintUtils.printPreview();
}
}
navigate(aDirection, aPageNum, aHomeOrEnd) {
const nsIWebBrowserPrint = Ci.nsIWebBrowserPrint;
let navType, pageNum;
// we use only one of aHomeOrEnd, aDirection, or aPageNum
if (aHomeOrEnd) {
// We're going to either the very first page ("home"), or the
// very last page ("end").
if (aHomeOrEnd == "home") {
navType = nsIWebBrowserPrint.PRINTPREVIEW_HOME;
this.mPageTextBox.value = 1;
} else {
navType = nsIWebBrowserPrint.PRINTPREVIEW_END;
this.mPageTextBox.value = this.mPageTextBox.max;
}
pageNum = 0;
} else if (aDirection) {
// aDirection is either +1 or -1, and allows us to increment
// or decrement our currently viewed page.
this.mPageTextBox.value = Number(this.mPageTextBox.value) + aDirection;
navType = nsIWebBrowserPrint.PRINTPREVIEW_GOTO_PAGENUM;
pageNum = this.mPageTextBox.value;
} else {
// We're going to a specific page (aPageNum)
navType = nsIWebBrowserPrint.PRINTPREVIEW_GOTO_PAGENUM;
pageNum = aPageNum;
}
this.mMessageManager.sendAsyncMessage("Printing:Preview:Navigate", {
navType,
pageNum,
});
}
print() {
PrintUtils.printWindow(this.mPPBrowser.outerWindowID, this.mPPBrowser);
}
promptForScaleValue(aValue) {
var value = Math.round(aValue);
var promptStr = document.getElementById("print-preview-scale-label").value;
var renameTitle = document.getElementById("print-preview-prompt-title");
var result = { value };
let { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
var confirmed = Services.prompt.prompt(window, renameTitle, promptStr, result, null, { value });
if (!confirmed || (!result.value) || (result.value == "")) {
return -1;
}
return result.value;
}
setScaleCombobox(aValue) {
var scaleValues = [0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2];
aValue = Number(aValue);
for (var i = 0; i < scaleValues.length; i++) {
if (aValue == scaleValues[i]) {
this.mScaleCombobox.selectedIndex = i;
return;
}
}
this.mScaleCombobox.value = "Custom";
}
scale(aValue) {
var settings = PrintUtils.getPrintSettings();
if (aValue == "ShrinkToFit") {
if (!settings.shrinkToFit) {
settings.shrinkToFit = true;
this.savePrintSettings(settings, settings.kInitSaveShrinkToFit | settings.kInitSaveScaling);
PrintUtils.printPreview();
}
return;
}
if (aValue == "Custom") {
aValue = this.promptForScaleValue(settings.scaling * 100.0);
if (aValue >= 10) {
aValue /= 100.0;
} else {
if (this.mScaleCombobox.hasAttribute("lastValidInx")) {
this.mScaleCombobox.selectedIndex = this.mScaleCombobox.getAttribute("lastValidInx");
}
return;
}
}
this.setScaleCombobox(aValue);
this.mScaleCombobox.setAttribute("lastValidInx", this.mScaleCombobox.selectedIndex);
if (settings.scaling != aValue || settings.shrinkToFit) {
settings.shrinkToFit = false;
settings.scaling = aValue;
this.savePrintSettings(settings, settings.kInitSaveShrinkToFit | settings.kInitSaveScaling);
PrintUtils.printPreview();
}
}
orient(aOrientation) {
const kIPrintSettings = Ci.nsIPrintSettings;
var orientValue = (aOrientation == "portrait") ? kIPrintSettings.kPortraitOrientation :
kIPrintSettings.kLandscapeOrientation;
var settings = PrintUtils.getPrintSettings();
if (settings.orientation != orientValue) {
settings.orientation = orientValue;
this.savePrintSettings(settings, settings.kInitSaveOrientation);
PrintUtils.printPreview();
}
}
simplify() {
PrintUtils.setSimplifiedMode(this.mSimplifyPageCheckbox.checked);
PrintUtils.printPreview();
}
enableSimplifyPage() {
this.mSimplifyPageNotAllowed = false;
this.mSimplifyPageCheckbox.disabled = false;
this.mSimplifyPageCheckbox.setAttribute("tooltiptext",
this.mSimplifyPageCheckbox.getAttribute("tooltiptext-enabled"));
}
disableSimplifyPage() {
this.mSimplifyPageNotAllowed = true;
this.mSimplifyPageCheckbox.disabled = true;
this.mSimplifyPageCheckbox.setAttribute("tooltiptext",
this.mSimplifyPageCheckbox.getAttribute("tooltiptext-disabled"));
}
updateToolbar() {
var settings = PrintUtils.getPrintSettings();
var isPortrait = settings.orientation == Ci.nsIPrintSettings.kPortraitOrientation;
this.mPortaitButton.checked = isPortrait;
this.mLandscapeButton.checked = !isPortrait;
if (settings.shrinkToFit) {
this.mScaleCombobox.value = "ShrinkToFit";
} else {
this.setScaleCombobox(settings.scaling);
}
this.mPageTextBox.value = 1;
}
savePrintSettings(settings, flags) {
var PSSVC = Cc["@mozilla.org/gfx/printsettings-service;1"]
.getService(Ci.nsIPrintSettingsService);
PSSVC.savePrintSettingsToPrefs(settings, true, flags);
}
receiveMessage(message) {
if (message.name == "Printing:Preview:UpdatePageCount") {
let numPages = message.data.numPages;
this.mTotalPages.value = numPages;
this.mPageTextBox.max = numPages;
}
}
}, { extends: "toolbar" });