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-rw-r--r--widget/windows/nsAppShell.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/widget/windows/nsAppShell.h b/widget/windows/nsAppShell.h
new file mode 100644
index 0000000000..e9bc87a366
--- /dev/null
+++ b/widget/windows/nsAppShell.h
@@ -0,0 +1,64 @@
+/* -*- 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() override;
+ NS_IMETHOD Exit() override;
+ NS_IMETHOD Observe(nsISupports* aSubject, const char* aTopic,
+ const char16_t* aData) override;
+
+ 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 MOZ_UNANNOTATED;
+ TimeStamp mLastNativeEventScheduled;
+ std::vector<MSG> mMsgsToRepost;
+
+ private:
+ wchar_t mTimezoneName[128];
+};
+
+#endif // nsAppShell_h__