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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /toolkit/mozapps/preferences/fontbuilder.js | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | toolkit/mozapps/preferences/fontbuilder.js | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/toolkit/mozapps/preferences/fontbuilder.js b/toolkit/mozapps/preferences/fontbuilder.js new file mode 100644 index 0000000000..5e264bfa53 --- /dev/null +++ b/toolkit/mozapps/preferences/fontbuilder.js @@ -0,0 +1,120 @@ +// -*- 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/. */ + +/* import-globals-from ../../content/preferencesBindings.js */ + +var FontBuilder = { + _enumerator: null, + get enumerator() { + if (!this._enumerator) { + this._enumerator = Cc["@mozilla.org/gfx/fontenumerator;1"].createInstance( + Ci.nsIFontEnumerator + ); + } + return this._enumerator; + }, + + _allFonts: null, + _langGroupSupported: false, + async buildFontList(aLanguage, aFontType, aMenuList) { + // Remove the original <menupopup> + if (aMenuList.menupopup) { + aMenuList.menupopup.remove(); + } + + let defaultFont = null; + // Load Font Lists + let fonts = await this.enumerator.EnumerateFontsAsync(aLanguage, aFontType); + if (fonts.length) { + defaultFont = this.enumerator.getDefaultFont(aLanguage, aFontType); + } else { + fonts = await this.enumerator.EnumerateFontsAsync(aLanguage, ""); + if (fonts.length) { + defaultFont = this.enumerator.getDefaultFont(aLanguage, ""); + } + } + + if (!this._allFonts) { + this._allFonts = await this.enumerator.EnumerateAllFontsAsync({}); + } + + // Build the UI for the Default Font and Fonts for this CSS type. + const popup = document.createXULElement("menupopup"); + let separator; + if (fonts.length) { + let menuitem = document.createXULElement("menuitem"); + if (defaultFont) { + document.l10n.setAttributes(menuitem, "fonts-label-default", { + name: defaultFont, + }); + } else { + document.l10n.setAttributes(menuitem, "fonts-label-default-unnamed"); + } + menuitem.setAttribute("value", ""); // Default Font has a blank value + popup.appendChild(menuitem); + + separator = document.createXULElement("menuseparator"); + popup.appendChild(separator); + + for (let font of fonts) { + menuitem = document.createXULElement("menuitem"); + menuitem.setAttribute("value", font); + menuitem.setAttribute("label", font); + popup.appendChild(menuitem); + } + } + + // Build the UI for the remaining fonts. + if (this._allFonts.length > fonts.length) { + this._langGroupSupported = true; + // 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. + let builtItem = separator ? separator.nextSibling : popup.firstChild; + let builtItemValue = builtItem ? builtItem.getAttribute("value") : null; + + separator = document.createXULElement("menuseparator"); + popup.appendChild(separator); + + for (let font of this._allFonts) { + if (font != builtItemValue) { + const menuitem = document.createXULElement("menuitem"); + menuitem.setAttribute("value", font); + menuitem.setAttribute("label", font); + popup.appendChild(menuitem); + } else { + builtItem = builtItem.nextSibling; + builtItemValue = builtItem ? builtItem.getAttribute("value") : null; + } + } + } + aMenuList.appendChild(popup); + }, + + 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) + const preference = Preferences.get(aElement.getAttribute("preference")); + if (preference.value) { + const fontItems = aElement.getElementsByAttribute( + "value", + preference.value + ); + + // There is a setting that actually is in the list. Respect it. + if (fontItems.length) { + return undefined; + } + } + + // Otherwise, use "default" font of current system which is computed + // with "font.name-list.*". If "font.name.*" is empty string, it means + // "default". So, return empty string in this case. + return ""; + }, +}; |