1 files changed, 76 insertions, 0 deletions
diff --git a/background/settings.js b/background/settings.js
new file mode 100644
index 00000000..a57b546d
--- /dev/null
+++ b/background/settings.js
@@ -0,0 +1,76 @@
+/*
+ * Used by everyone to manipulate localStorage.
+ */
+var settings = {
+
+  defaults: {
+    scrollStepSize: 60,
+    linkHintCharacters: "sadfjklewcmpgh",
+    filterLinkHints: false,
+    userDefinedLinkHintCss:
+      "div > .vimiumHintMarker {" + "\n" +
+      "/* linkhint boxes */ " + "\n" +
+      "background-color: yellow;" + "\n" +
+      "border: 1px solid #E3BE23;" + "\n" +
+      "}" + "\n\n" +
+      "div > .vimiumHintMarker span {" + "\n" +
+      "/* linkhint text */ " + "\n" +
+      "color: black;" + "\n" +
+      "font-weight: bold;" + "\n" +
+      "font-size: 12px;" + "\n" +
+      "}" + "\n\n" +
+      "div > .vimiumHintMarker > .matchingCharacter {" + "\n" +
+      "}",
+    excludedUrls: "http*://mail.google.com/*\n" +
+                  "http*://www.google.com/reader/*\n",
+
+    // NOTE : If a page contains both a single angle-bracket link and a double angle-bracket link, then in
+    // most cases the single bracket link will be "prev/next page" and the double bracket link will be
+    // "first/last page", so we put the single bracket first in the pattern string so that it gets searched
+    // for first.
+
+    // "\bprev\b,\bprevious\b,\bback\b,<,←,«,≪,<<"
+    previousPatterns: "prev,previous,back,<,\u2190,\xab,\u226a,<<",
+    // "\bnext\b,\bmore\b,>,→,»,≫,>>"
+    nextPatterns: "next,more,>,\u2192,\xbb,\u226b,>>",
+  },
+
+  init: function() {
+    // settingsVersion was introduced in v1.31, and is used to coordinate data migration. We do not use
+    // previousVersion as it is used to coordinate the display of the upgrade message, and is not updated
+    // early enough when the extension loads.
+    // 1.31 was also the version where we converted all localStorage values to JSON.
+    if (!this.has("settingsVersion")) {
+      for (var key in localStorage) {
+        localStorage[key] = JSON.stringify(localStorage[key]);
+      }
+      this.set("settingsVersion", utils.getCurrentVersion());
+    }
+  },
+
+  get: function(key) {
+    if (!(key in localStorage))
+      return this.defaults[key];
+    else
+      return JSON.parse(localStorage[key]);
+  },
+
+  set: function(key, value) {
+    // don't store the value if it is equal to the default, so we can change the defaults in the future
+    if (value === this.defaults[key])
+      this.clear(key);
+    else
+      localStorage[key] = JSON.stringify(value);
+  },
+
+  clear: function(key) {
+    delete localStorage[key];
+  },
+
+  has: function(key) {
+    return key in localStorage;
+  },
+
+};
+
+settings.init();