1 files changed, 67 insertions, 0 deletions
diff --git a/background_scripts/settings.coffee b/background_scripts/settings.coffee
new file mode 100644
index 00000000..ba9d1831
--- /dev/null
+++ b/background_scripts/settings.coffee
@@ -0,0 +1,67 @@
+#
+# Used by everyone to manipulate localStorage.
+#
+Settings =
+  defaults:
+    scrollStepSize: 60
+    linkHintCharacters: "sadfjklewcmpgh"
+    filterLinkHints: false
+    hideHud: 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: ->
+    # 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 key of localStorage
+        # filterLinkHints' checkbox state used to be stored as a string
+        if (key == "filterLinkHints")
+          localStorage[key] = if (localStorage[key] == "true") then true else false
+        else
+          localStorage[key] = JSON.stringify(localStorage[key])
+      this.set("settingsVersion", utils.getCurrentVersion())
+
+  get: (key) ->
+    if (key of localStorage) then JSON.parse(localStorage[key]) else this.defaults[key]
+
+  set: (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: (key) -> delete localStorage[key]
+
+  has: (key) -> key of localStorage
+
+Settings.init()
+root = exports ? window
+root.Settings = Settings