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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
var gAllFonts = null;
var gFontEnumerator = null;
var gDisabled = false;
function GetFontEnumerator()
{
if (!gFontEnumerator)
{
gFontEnumerator = Cc["@mozilla.org/gfx/fontenumerator;1"]
.createInstance(Ci.nsIFontEnumerator);
}
return gFontEnumerator;
}
function BuildFontList(aLanguage, aFontType, aMenuList, aPreference)
{
var defaultFont = null;
// Load Font Lists
var fonts = GetFontEnumerator().EnumerateFonts(aLanguage, aFontType);
if (fonts.length)
{
defaultFont = GetFontEnumerator().getDefaultFont(aLanguage, aFontType);
}
else
{
fonts = GetFontEnumerator().EnumerateFonts(aLanguage, "");
if (fonts.length)
defaultFont = GetFontEnumerator().getDefaultFont(aLanguage, "");
}
if (!gAllFonts)
gAllFonts = GetFontEnumerator().EnumerateAllFonts();
// Reset the list
while (aMenuList.hasChildNodes())
aMenuList.lastChild.remove();
// Build the UI for the Default Font and Fonts for this CSS type.
var popup = document.createElement("menupopup");
var separator;
if (fonts.length > 0)
{
const prefutilitiesBundle = document.getElementById("bundle_prefutilities");
let label = defaultFont ?
prefutilitiesBundle.getFormattedString("labelDefaultFont2", [defaultFont]) :
prefutilitiesBundle.getString("labelDefaultFontUnnamed");
let menuitem = document.createElement("menuitem");
menuitem.setAttribute("label", label);
menuitem.setAttribute("value", ""); // Default Font has a blank value
popup.appendChild(menuitem);
separator = document.createElement("menuseparator");
popup.appendChild(separator);
for (let font of fonts)
{
menuitem = document.createElement("menuitem");
menuitem.setAttribute("value", font);
menuitem.setAttribute("label", font);
popup.appendChild(menuitem);
}
}
// Build the UI for the remaining fonts.
if (gAllFonts.length > fonts.length)
{
// Both lists are sorted, and the Fonts-By-Type list is a subset of the
// All-Fonts list, so walk both lists side-by-side, skipping values we've
// already created menu items for.
if (fonts.length)
{
separator = document.createElement("menuseparator");
popup.appendChild(separator);
}
for (i = 0; i < gAllFonts.length; ++i)
{
if (fonts.lastIndexOf(gAllFonts[i], 0) == 0)
{
fonts.shift(); //Remove matched font from array
}
else
{
menuitem = document.createElement("menuitem");
menuitem.setAttribute("value", gAllFonts[i]);
menuitem.setAttribute("label", gAllFonts[i]);
popup.appendChild(menuitem);
}
}
}
aMenuList.appendChild(popup);
// Fully populated so re-enable menulist before setting preference,
// unless panel is locked.
if (!gDisabled)
aMenuList.disabled = false;
aMenuList.setAttribute("preference", aPreference.id);
aPreference.setElementValue(aMenuList);
}
function ReadFontLanguageGroup()
{
var prefs = [{format: "default", type: "string", element: "defaultFontType", fonttype: "" },
{format: "name.", type: "unichar", element: "serif", fonttype: "serif" },
{format: "name.", type: "unichar", element: "sans-serif", fonttype: "sans-serif"},
{format: "name.", type: "unichar", element: "monospace", fonttype: "monospace" },
{format: "name.", type: "unichar", element: "cursive", fonttype: "cursive" },
{format: "name.", type: "unichar", element: "fantasy", fonttype: "fantasy" },
{format: "name-list.", type: "unichar", element: null, fonttype: "serif" },
{format: "name-list.", type: "unichar", element: null, fonttype: "sans-serif"},
{format: "name-list.", type: "unichar", element: null, fonttype: "monospace" },
{format: "name-list.", type: "unichar", element: null, fonttype: "cursive" },
{format: "name-list.", type: "unichar", element: null, fonttype: "fantasy" },
{format: "size.variable", type: "int", element: "sizeVar", fonttype: "" },
{format: "size.fixed", type: "int", element: "sizeMono", fonttype: "" },
{format: "minimum-size", type: "int", element: "minSize", fonttype: "" }];
gDisabled = document.getElementById("browser.display.languageList").locked;
var fontLanguage = document.getElementById("font.language.group");
if (gDisabled)
fontLanguage.disabled = true;
var languageGroup = fontLanguage.value;
var preferences = document.getElementById("fonts_preferences");
for (var i = 0; i < prefs.length; ++i)
{
var name = "font."+ prefs[i].format + prefs[i].fonttype + "." + languageGroup;
var preference = document.getElementById(name);
if (!preference)
{
preference = document.createElement("preference");
preference.id = name;
preference.setAttribute("name", name);
preference.setAttribute("type", prefs[i].type);
preferences.appendChild(preference);
}
if (!prefs[i].element)
continue;
var element = document.getElementById(prefs[i].element);
if (element)
{
if (prefs[i].fonttype)
{
// Set an empty label so it does not jump when items are added.
element.setAttribute("label", "");
// Disable menulist for the moment.
element.disabled = true;
// Lazily populate font lists, each gets re-enabled at the end.
window.setTimeout(BuildFontList, 0, languageGroup,
prefs[i].fonttype, element, preference);
}
else
{
// Unless the panel is locked, make sure these elements are not
// disabled just in case they were in the last language group.
element.disabled = gDisabled;
element.setAttribute("preference", preference.id);
preference.setElementValue(element);
}
}
}
}
function ReadFontSelection(aElement)
{
// Determine the appropriate value to select, for the following cases:
// - there is no setting
// - the font selected by the user is no longer present (e.g. deleted from
// fonts folder)
var preference = document.getElementById(aElement.getAttribute("preference"));
if (preference.value)
{
var fontItems = aElement.getElementsByAttribute("value", preference.value);
// There is a setting that actually is in the list. Respect it.
if (fontItems.length)
return undefined;
}
var defaultValue = aElement.firstChild.firstChild.getAttribute("value");
var languagePref = document.getElementById("font.language.group");
preference = document.getElementById("font.name-list." + aElement.id + "." + languagePref.value);
if (!preference || !preference.hasUserValue)
return defaultValue;
var fontNames = preference.value.split(",");
for (var i = 0; i < fontNames.length; ++i)
{
fontItems = aElement.getElementsByAttribute("value", fontNames[i].trim());
if (fontItems.length)
return fontItems[0].getAttribute("value");
}
return defaultValue;
}
function ReadFontPref(aElement, aDefaultValue)
{
// Check to see if preference value exists,
// if not return given default value.
var preference = document.getElementById(aElement.getAttribute("preference"));
return preference.value || aDefaultValue;
}
function ReadUseDocumentFonts()
{
var preference = document.getElementById("browser.display.use_document_fonts");
return preference.value == 1;
}
function WriteUseDocumentFonts(aUseDocumentFonts)
{
return aUseDocumentFonts.checked ? 1 : 0;
}
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