1 files changed, 144 insertions, 0 deletions
diff --git a/webbrowser/components/preferences/fonts.js b/webbrowser/components/preferences/fonts.js
new file mode 100644
index 0000000..e9f93a2
--- /dev/null
+++ b/webbrowser/components/preferences/fonts.js
@@ -0,0 +1,144 @@
+/* -*- 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/. */
+
+// browser.display.languageList LOCK ALL when LOCKED
+
+const kDefaultFontType          = "font.default.%LANG%";
+const kFontNameFmtSerif         = "font.name.serif.%LANG%";
+const kFontNameFmtSansSerif     = "font.name.sans-serif.%LANG%";
+const kFontNameFmtMonospace     = "font.name.monospace.%LANG%";
+const kFontNameListFmtSerif     = "font.name-list.serif.%LANG%";
+const kFontNameListFmtSansSerif = "font.name-list.sans-serif.%LANG%";
+const kFontNameListFmtMonospace = "font.name-list.monospace.%LANG%";
+const kFontSizeFmtVariable      = "font.size.variable.%LANG%";
+const kFontSizeFmtFixed         = "font.size.fixed.%LANG%";
+const kFontMinSizeFmt           = "font.minimum-size.%LANG%";
+
+var gFontsDialog = {
+  _selectLanguageGroup: function (aLanguageGroup)
+  {
+    var prefs = [{ format: kDefaultFontType,          type: "string",   element: "defaultFontType", fonttype: null},
+                 { format: kFontNameFmtSerif,         type: "fontname", element: "serif",      fonttype: "serif"       },
+                 { format: kFontNameFmtSansSerif,     type: "fontname", element: "sans-serif", fonttype: "sans-serif"  },
+                 { format: kFontNameFmtMonospace,     type: "fontname", element: "monospace",  fonttype: "monospace"   },
+                 { format: kFontNameListFmtSerif,     type: "unichar",  element: null,         fonttype: "serif"       },
+                 { format: kFontNameListFmtSansSerif, type: "unichar",  element: null,         fonttype: "sans-serif"  },
+                 { format: kFontNameListFmtMonospace, type: "unichar",  element: null,         fonttype: "monospace"   },
+                 { format: kFontSizeFmtVariable,      type: "int",      element: "sizeVar",    fonttype: null          },
+                 { format: kFontSizeFmtFixed,         type: "int",      element: "sizeMono",   fonttype: null          },
+                 { format: kFontMinSizeFmt,           type: "int",      element: "minSize",    fonttype: null          }];
+    var preferences = document.getElementById("fontPreferences");
+    for (var i = 0; i < prefs.length; ++i) {
+      var preference = document.getElementById(prefs[i].format.replace(/%LANG%/, aLanguageGroup));
+      if (!preference) {
+        preference = document.createElement("preference");
+        var name = prefs[i].format.replace(/%LANG%/, aLanguageGroup);
+        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) {
+        element.setAttribute("preference", preference.id);
+      
+        if (prefs[i].fonttype)
+          FontBuilder.buildFontList(aLanguageGroup, prefs[i].fonttype, element);
+
+        preference.setElementValue(element);
+      }
+    }
+  },
+  
+  readFontLanguageGroup: function ()
+  {
+    var languagePref = document.getElementById("font.language.group");
+    this._selectLanguageGroup(languagePref.value);
+    return undefined;
+  },
+  
+  readFontSelection: function (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 > 0)
+        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(",");
+    var stripWhitespace = /^\s*(.*)\s*$/;
+    
+    for (var i = 0; i < fontNames.length; ++i) {
+      var fontName = fontNames[i].replace(stripWhitespace, "$1");
+      fontItems = aElement.getElementsByAttribute("value", fontName);
+      if (fontItems.length)
+        break;
+    }
+    if (fontItems.length)
+      return fontItems[0].getAttribute("value");
+    return defaultValue;
+  },
+  
+  readUseDocumentFonts: function ()
+  {
+    var preference = document.getElementById("browser.display.use_document_fonts");
+    return preference.value == 1;
+  },
+  
+  writeUseDocumentFonts: function ()
+  {
+    var useDocumentFonts = document.getElementById("useDocumentFonts");
+    return useDocumentFonts.checked ? 1 : 0;
+  },
+
+  onBeforeAccept: function ()
+  {
+    // Only care in in-content prefs
+    if (!window.frameElement) {
+      return true;
+    }
+
+    let preferences = document.querySelectorAll("preference[id*='font.minimum-size']");
+    // It would be good if we could avoid touching languages the pref pages won't use, but
+    // unfortunately the language group APIs (deducing language groups from language codes)
+    // are C++ - only. So we just check all the things the user touched:
+    // Don't care about anything up to 24px, or if this value is the same as set previously:
+    preferences = Array.filter(preferences, prefEl => {
+      return prefEl.value > 24 && prefEl.value != prefEl.valueFromPreferences;
+    });
+    if (!preferences.length) {
+      return;
+    }
+
+    let strings = document.getElementById("bundlePreferences");
+    let title = strings.getString("veryLargeMinimumFontTitle");
+    let confirmLabel = strings.getString("acceptVeryLargeMinimumFont");
+    let warningMessage = strings.getString("veryLargeMinimumFontWarning");
+    let {Services} = Components.utils.import("resource://gre/modules/Services.jsm", {});
+    let flags = Services.prompt.BUTTON_POS_1 * Services.prompt.BUTTON_TITLE_CANCEL |
+                Services.prompt.BUTTON_POS_0 * Services.prompt.BUTTON_TITLE_IS_STRING |
+                Services.prompt.BUTTON_POS_1_DEFAULT;
+    let buttonChosen = Services.prompt.confirmEx(window, title, warningMessage, flags, confirmLabel, null, "", "", {});
+    return buttonChosen == 0;
+  },
+};
+