Implemented QML message filtering

1 files changed, 23 insertions, 0 deletions

diff --git a/ethereal/assets/ext/filter.js b/ethereal/assets/ext/filter.js
new file mode 100644
index 000000000..20f0b36a3
--- /dev/null
+++ b/ethereal/assets/ext/filter.js
@@ -0,0 +1,23 @@
+var Filter = function(eth, options) {
+	this.callbacks = {};
+	this.seed = Math.floor(Math.random() * 1000000);
+	this.eth = eth;
+
+	eth.registerFilter(options, this.seed);
+};
+
+Filter.prototype.changed = function(callback) {
+	var cbseed = Math.floor(Math.random() * 1000000);
+	this.eth.registerFilterCallback(this.seed, cbseed);
+
+	var self = this;
+	message.connect(function(messages, seed, callbackSeed) {
+		if(seed ==  self.seed && callbackSeed == cbseed) {
+			callback.call(self, messages);
+		}
+	});
+};
+
+Filter.prototype.uninstall = function() {
+	eth.uninstallFilter(this.seed)
+}