From 60c83971fb19dea49beab3a02c8913f75f62ad09 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Fri, 8 Nov 2019 10:49:03 +0100
Subject: Issue #1263 - Part 1: Remove DiskSpaceWatcher

---
 uriloader/prefetch/nsOfflineCacheUpdateService.cpp | 32 +---------------------
 1 file changed, 1 insertion(+), 31 deletions(-)

(limited to 'uriloader/prefetch/nsOfflineCacheUpdateService.cpp')

diff --git a/uriloader/prefetch/nsOfflineCacheUpdateService.cpp b/uriloader/prefetch/nsOfflineCacheUpdateService.cpp
index adb3fd5160..6a67af013a 100644
--- a/uriloader/prefetch/nsOfflineCacheUpdateService.cpp
+++ b/uriloader/prefetch/nsOfflineCacheUpdateService.cpp
@@ -39,7 +39,6 @@
 #include "mozilla/Preferences.h"
 #include "mozilla/Attributes.h"
 #include "mozilla/Unused.h"
-#include "nsIDiskSpaceWatcher.h"
 #include "nsIDocShell.h"
 #include "nsIDocShellTreeItem.h"
 #include "nsIDocShellTreeOwner.h"
@@ -246,7 +245,6 @@ NS_IMPL_ISUPPORTS(nsOfflineCacheUpdateService,
 nsOfflineCacheUpdateService::nsOfflineCacheUpdateService()
     : mDisabled(false)
     , mUpdateRunning(false)
-    , mLowFreeSpace(false)
 {
     MOZ_ASSERT(NS_IsMainThread());
     Preferences::AddBoolVarCache(&sAllowOfflineCache,
@@ -273,19 +271,6 @@ nsOfflineCacheUpdateService::Init()
                                                true);
     NS_ENSURE_SUCCESS(rv, rv);
 
-    // Get the current status of the disk in terms of free space and observe
-    // low device storage notifications.
-    nsCOMPtr<nsIDiskSpaceWatcher> diskSpaceWatcherService =
-      do_GetService("@mozilla.org/toolkit/disk-space-watcher;1");
-    if (diskSpaceWatcherService) {
-      diskSpaceWatcherService->GetIsDiskFull(&mLowFreeSpace);
-    } else {
-      NS_WARNING("Could not get disk status from nsIDiskSpaceWatcher");
-    }
-
-    rv = observerService->AddObserver(this, "disk-space-watcher", false);
-    NS_ENSURE_SUCCESS(rv, rv);
-
     gOfflineCacheUpdateService = this;
 
     return NS_OK;
@@ -407,11 +392,7 @@ nsOfflineCacheUpdateService::ProcessNextUpdate()
 
     if (mUpdates.Length() > 0) {
         mUpdateRunning = true;
-        // Canceling the update before Begin() call will make the update
-        // asynchronously finish with an error.
-        if (mLowFreeSpace) {
-            mUpdates[0]->Cancel();
-        }
+
         return mUpdates[0]->Begin();
     }
 
@@ -582,17 +563,6 @@ nsOfflineCacheUpdateService::Observe(nsISupports     *aSubject,
         mDisabled = true;
     }
 
-    if (!strcmp(aTopic, "disk-space-watcher")) {
-        if (NS_LITERAL_STRING("full").Equals(aData)) {
-            mLowFreeSpace = true;
-            for (uint32_t i = 0; i < mUpdates.Length(); i++) {
-                mUpdates[i]->Cancel();
-            }
-        } else if (NS_LITERAL_STRING("free").Equals(aData)) {
-            mLowFreeSpace = false;
-        }
-    }
-
     return NS_OK;
 }
 
-- 
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