diff options
| -rw-r--r-- | lib/main.js | 28 | ||||
| -rw-r--r-- | lib/persistent-page-mod.js | 56 | ||||
| -rw-r--r-- | tests/test-util.js | 2 |
3 files changed, 84 insertions, 2 deletions
diff --git a/lib/main.js b/lib/main.js index eca533e..365d445 100644 --- a/lib/main.js +++ b/lib/main.js @@ -58,6 +58,18 @@ var bottomRow = {}; // ///////////////////////////////////////////////////////////////////////////// +function doReplace(window) { + for (var node in require("text-node").iterator(window.document.body)) { + var origText = node.textContent; + var newText = origText.replace("friend", "acquaintance", "g"); + newText = newText.replace("Friend", "Acquaintance", "g"); + if (newText != origText) { + node.textContent = newText; + } + } +} + +//////////////////////////////////////////////////////////////////////////////// let config = {}; config.matches = [ "https://bugzilla.redhat.com/show_bug.cgi", @@ -89,4 +101,18 @@ util.loadJSON(jetpack.storage.settings.JSONURL, function(parsedData) { }; jetpack.pageMods.add(callback, config); -}, this);
\ No newline at end of file +}, this); + +//////////////////////////////////////////////////////////////// + +// FIXME What are the real values of options and callbacks parameters? +exports.main = function main(options, callbacks) { + require("tab-browser").whenContentLoaded( + function(window) { + if (window.location.protocol == "http:" && + // options.matches + window.location.host.match(/facebook.com$/)) + require("persistent-page-mod").register(window, doReplace); + } + ); +};s
\ No newline at end of file diff --git a/lib/persistent-page-mod.js b/lib/persistent-page-mod.js new file mode 100644 index 0000000..5c00a8f --- /dev/null +++ b/lib/persistent-page-mod.js @@ -0,0 +1,56 @@ +var timer = require("timer"); + +function PersistentPageMod(window, callback) { + memory.track(this); + this.window = window; + this.callback = callback; + this.window.addEventListener("unload", this, false); + this.window.addEventListener("DOMSubtreeModified", this, false); + this.doMod(); + require("unload-2").ensure(this); +} + +PersistentPageMod.prototype = { + REPLACE_DELAY: 100, + doMod: function doMod() { + try { + this.callback.call(undefined, this.window); + } catch (e) { + console.exception(e); + } + this.timerID = null; + }, + handleEvent: function handleEvent(event) { + switch (event.type) { + case "unload": + if (event.target == this.window.document) + this.unload(); + break; + case "DOMSubtreeModified": + if (this.timerID == null) { + // Wait a bit to do the replacing. Otherwise, we just get called + // tons of times in a tiny period and end up hanging the browser + // for a while. + var self = this; + this.timerID = timer.setTimeout(function() self.doMod(), + this.REPLACE_DELAY); + } + break; + } + }, + unload: function unload() { + if (this.timerID != null) { + timer.clearTimeout(this.timerID); + this.timerID = null; + } + this.window.removeEventListener("DOMSubtreeModified", this, false); + this.window.removeEventListener("unload", this, false); + } +}; + +require("errors").catchAndLogProps(PersistentPageMod.prototype, + "handleEvent"); + +var register = exports.register = function register(window, callback) { + new PersistentPageMod(window, callback); +}; diff --git a/tests/test-util.js b/tests/test-util.js index a9d0e6a..6292e84 100644 --- a/tests/test-util.js +++ b/tests/test-util.js @@ -186,7 +186,7 @@ exports.ensureLoadText = function (test) { // test.waitUntilDone(); // util.loadText(url, function (txt) { // console.log(txt); -// //test.assertEqual(txt, pushkinTestString); +// test.assertEqual(txt, pushkinTestString); // test.done(); // }); // }; |