widget/cocoa/nsAppShell.h
author Tom Ritter <tom@mozilla.com>
Wed, 12 Apr 2017 11:21:13 -0500
changeset 353474 213fdb422bb90f7ecc573052671471cb38d11b02
parent 257202 a13c1f26e351dd6251da641fe7a9eb53790fc2d0
child 399220 3d28ca7c05d8f9ba3ba6ff1cd5449dce42ae95c1
permissions -rw-r--r--
Bug 1355584 Make NSIS an optional requirement for MINGW builds r=glandium MozReview-Commit-ID: JCrLbEeApxy

/* -*- 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/. */

/*
 * Runs the main native Cocoa run loop, interrupting it as needed to process
 * Gecko events.
 */

#ifndef nsAppShell_h_
#define nsAppShell_h_

#include "nsBaseAppShell.h"
#include "nsTArray.h"

// GeckoNSApplication
//
// Subclass of NSApplication for filtering out certain events.
@interface GeckoNSApplication : NSApplication
{
}
@end

@class AppShellDelegate;

class nsAppShell : public nsBaseAppShell
{
public:
  NS_IMETHOD ResumeNative(void);

  nsAppShell();

  nsresult Init();

  NS_IMETHOD Run(void);
  NS_IMETHOD Exit(void);
  NS_IMETHOD OnProcessNextEvent(nsIThreadInternal *aThread, bool aMayWait);
  NS_IMETHOD AfterProcessNextEvent(nsIThreadInternal *aThread,
                                   bool aEventWasProcessed);

  // public only to be visible to Objective-C code that must call it
  void WillTerminate();

protected:
  virtual ~nsAppShell();

  virtual void ScheduleNativeEventCallback();
  virtual bool ProcessNextNativeEvent(bool aMayWait);

  static void ProcessGeckoEvents(void* aInfo);

protected:
  CFMutableArrayRef  mAutoreleasePools;

  AppShellDelegate*  mDelegate;
  CFRunLoopRef       mCFRunLoop;
  CFRunLoopSourceRef mCFRunLoopSource;

  bool               mRunningEventLoop;
  bool               mStarted;
  bool               mTerminated;
  bool               mSkippedNativeCallback;
  bool               mRunningCocoaEmbedded;

  int32_t            mNativeEventCallbackDepth;
  // Can be set from different threads, so must be modified atomically
  int32_t            mNativeEventScheduledDepth;
};

#endif // nsAppShell_h_