summaryrefslogtreecommitdiffstats
path: root/security/manager/ssl/CryptoTask.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /security/manager/ssl/CryptoTask.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'security/manager/ssl/CryptoTask.h')
-rw-r--r--security/manager/ssl/CryptoTask.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/security/manager/ssl/CryptoTask.h b/security/manager/ssl/CryptoTask.h
new file mode 100644
index 0000000000..2cbd082d7a
--- /dev/null
+++ b/security/manager/ssl/CryptoTask.h
@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla__CryptoTask_h
+#define mozilla__CryptoTask_h
+
+#include "mozilla/Attributes.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla {
+
+/**
+ * Frequently we need to run a task on a background thread without blocking
+ * the main thread, and then call a callback on the main thread with the
+ * result. This class provides the framework for that. Subclasses must:
+ *
+ * (1) Override CalculateResult for the off-the-main-thread computation.
+ * (2) Override CallCallback() for the on-the-main-thread call of the
+ * callback.
+ */
+class CryptoTask : public Runnable {
+ public:
+ nsresult Dispatch();
+
+ protected:
+ CryptoTask() : Runnable("CryptoTask"), mRv(NS_ERROR_NOT_INITIALIZED) {}
+
+ virtual ~CryptoTask() = default;
+
+ /**
+ * Called on a background thread (never the main thread). Its result will be
+ * passed to CallCallback on the main thread.
+ */
+ virtual nsresult CalculateResult() = 0;
+
+ /**
+ * Called on the main thread with the result from CalculateResult().
+ */
+ virtual void CallCallback(nsresult rv) = 0;
+
+ private:
+ NS_IMETHOD Run() final;
+
+ nsresult mRv;
+};
+
+} // namespace mozilla
+
+#endif // mozilla__CryptoTask_h