From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 widget/windows/nsAppShell.h | 59 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 widget/windows/nsAppShell.h

(limited to 'widget/windows/nsAppShell.h')

diff --git a/widget/windows/nsAppShell.h b/widget/windows/nsAppShell.h
new file mode 100644
index 000000000..199c30009
--- /dev/null
+++ b/widget/windows/nsAppShell.h
@@ -0,0 +1,59 @@
+/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
+/* 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 nsAppShell_h__
+#define nsAppShell_h__
+
+#include "nsBaseAppShell.h"
+#include <windows.h>
+#include <vector>
+#include "mozilla/TimeStamp.h"
+#include "mozilla/Mutex.h"
+
+// The maximum time we allow before forcing a native event callback.
+// In seconds.
+#define NATIVE_EVENT_STARVATION_LIMIT 1
+
+/**
+ * Native Win32 Application shell wrapper
+ */
+class nsAppShell : public nsBaseAppShell
+{
+public:
+  nsAppShell() :
+    mEventWnd(nullptr),
+    mNativeCallbackPending(false),
+    mLastNativeEventScheduledMutex("nsAppShell::mLastNativeEventScheduledMutex")
+  {}
+  typedef mozilla::TimeStamp TimeStamp;
+  typedef mozilla::Mutex Mutex;
+
+  nsresult Init();
+  void DoProcessMoreGeckoEvents();
+
+  static UINT GetTaskbarButtonCreatedMessage();
+
+  NS_IMETHOD AfterProcessNextEvent(nsIThreadInternal* thread,
+                                   bool eventWasProcessed) final;
+
+protected:
+  NS_IMETHOD Run();
+  NS_IMETHOD Exit();
+  virtual void ScheduleNativeEventCallback();
+  virtual bool ProcessNextNativeEvent(bool mayWait);
+  virtual ~nsAppShell();
+
+  static LRESULT CALLBACK EventWindowProc(HWND, UINT, WPARAM, LPARAM);
+
+protected:
+  HWND mEventWnd;
+  bool mNativeCallbackPending;
+
+  Mutex mLastNativeEventScheduledMutex;
+  TimeStamp mLastNativeEventScheduled;
+  std::vector<MSG> mMsgsToRepost;
+};
+
+#endif // nsAppShell_h__
-- 
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