From 2b4fe2d2fb588a0169114ef5125bf81f31f73335 Mon Sep 17 00:00:00 2001
From: Marshall Culpepper <marshall@mozilla.com>
Date: Tue, 8 Jan 2013 17:13:32 +0100
Subject: [PATCH] Bug 817821: Part 1 - Communicate update download events
 better to Gaia. r=fabrice

---
 b2g/components/UpdatePrompt.js | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/b2g/components/UpdatePrompt.js b/b2g/components/UpdatePrompt.js
index 4118a9721e5..f62d5893d4f 100644
--- a/b2g/components/UpdatePrompt.js
+++ b/b2g/components/UpdatePrompt.js
@@ -460,11 +460,20 @@ UpdatePrompt.prototype = {
 
   // nsIRequestObserver
 
+  _startedSent: false,
+
   onStartRequest: function UP_onStartRequest(aRequest, aContext) {
-    this.sendChromeEvent("update-downloading");
+    // Wait until onProgress to send the update-download-started event, in case
+    // this request turns out to fail for some reason
+    this._startedSent = false;
   },
 
   onStopRequest: function UP_onStopRequest(aRequest, aContext, aStatusCode) {
+    let paused = !Components.isSuccessCode(aStatusCode);
+    this.sendChromeEvent("update-download-stopped", {
+        paused: paused
+    });
+
     Services.aus.removeDownloadListener(this);
   },
 
@@ -472,7 +481,14 @@ UpdatePrompt.prototype = {
 
   onProgress: function UP_onProgress(aRequest, aContext, aProgress,
                                      aProgressMax) {
-    this.sendChromeEvent("update-progress", {
+    if (!this._startedSent) {
+      this.sendChromeEvent("update-download-started", {
+        total: aProgressMax
+      });
+      this._startedSent = true;
+    }
+
+    this.sendChromeEvent("update-download-progress", {
       progress: aProgress,
       total: aProgressMax
     });