tor-browser

commit 70238397ad9d0d7543f547312b7590312146b142
parent ad59af6512c1fdbc7a6c26ff993ed4ffaa03b05e
Author: Tom Schuster <tschuster@mozilla.com>
Date:   Mon, 17 Nov 2025 11:19:42 +0000

Bug 1985987 - Get a process for remote image decoding. r=nika

Differential Revision: https://phabricator.services.mozilla.com/D264775

Diffstat:
M
image/remote/RemoteImageProtocolHandler.cpp
 | 
23
+++++++++++++++++++++++

1 file changed, 23 insertions(+), 0 deletions(-)
diff --git a/image/remote/RemoteImageProtocolHandler.cpp b/image/remote/RemoteImageProtocolHandler.cpp
@@ -9,10 +9,14 @@
 #include "nsNetUtil.h"
 #include "nsURLHelper.h"
 #include "mozilla/dom/ipc/IdType.h"
+#include "mozilla/dom/ContentProcessManager.h"
 
 namespace mozilla::image {
 
+using mozilla::dom::ContentParent;
 using mozilla::dom::ContentParentId;
+using mozilla::dom::ContentProcessManager;
+using mozilla::dom::UniqueContentParentKeepAlive;
 
 StaticRefPtr<RemoteImageProtocolHandler> RemoteImageProtocolHandler::sSingleton;
 
@@ -30,6 +34,25 @@ NS_IMETHODIMP RemoteImageProtocolHandler::AllowPort(int32_t, const char*,
   return NS_OK;
 }
 
+static UniqueContentParentKeepAlive GetLaunchingContentParentForDecode(
+    const Maybe<ContentParentId>& aContentParentId) {
+  if (aContentParentId.isSome()) {
+    if (ContentProcessManager* cpm = ContentProcessManager::GetSingleton()) {
+      if (ContentParent* cp = cpm->GetContentProcessById(*aContentParentId)) {
+        return cp->TryAddKeepAlive(/* aBrowserId */ 0);
+      }
+    }
+  }
+
+  // We use the extension process as a fallback, because
+  // it is usually running, and should be OK to parse images.
+  return ContentParent::GetNewOrUsedLaunchingBrowserProcess(
+      EXTENSION_REMOTE_TYPE,
+      /* aGroup */ nullptr,
+      /* aPriority */ hal::PROCESS_PRIORITY_FOREGROUND,
+      /* aPreferUsed */ true);
+}
+
 // Parse out the relevant parts of the moz-remote-image URL
 static nsresult ParseURI(nsIURI* aURI, nsIURI** aRemoteURI, ImageIntSize* aSize,
                          Maybe<ContentParentId>& aContentParentId) {