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/* -*- 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 final : 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 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:
nsresult InitHiddenWindow();
HWND mEventWnd;
bool mNativeCallbackPending;
Mutex mLastNativeEventScheduledMutex MOZ_UNANNOTATED;
TimeStamp mLastNativeEventScheduled;
std::vector<MSG> mMsgsToRepost;
private:
wchar_t mTimezoneName[128];
};
#endif // nsAppShell_h__
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