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// Copyright (c) 2011 Marshall A. Greenblatt. All rights reserved.

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

//

// * Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

// * Redistributions in binary form must reproduce the above

// copyright notice, this list of conditions and the following disclaimer

// in the documentation and/or other materials provided with the

// distribution.

// * Neither the name of Google Inc. nor the name Chromium Embedded

// Framework nor the names of its contributors may be used to endorse

// or promote products derived from this software without specific prior

// written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef CEF_INCLUDE_CEF_APPLICATION_MAC_H_

#define CEF_INCLUDE_CEF_APPLICATION_MAC_H_

#pragma once

#include "include/cef_base.h"

#if defined(OS_MACOSX) && defined(__OBJC__)

#ifdef BUILDING_CEF_SHARED

// Use the existing CrAppProtocol definition.

#include "base/message_pump_mac.h"

// Use the existing empty protocol definitions.

#import "base/mac/cocoa_protocols.h"

#else // BUILDING_CEF_SHARED

#import <AppKit/AppKit.h>

#import <Cocoa/Cocoa.h>

// Copy of CrAppProtocol definition from base/message_pump_mac.h.

@protocol CrAppProtocol

// Must return true if -[NSApplication sendEvent:] is currently on the stack.

- (BOOL)isHandlingSendEvent;

@end

// The Mac OS X 10.6 SDK introduced new protocols used for delegates. These

// protocol defintions were not present in earlier releases of the Mac OS X

// SDK. In order to support building against the new SDK, which requires

// delegates to conform to these protocols, and earlier SDKs, which do not

// define these protocols at all, this file will provide empty protocol

// definitions when used with earlier SDK versions.

#if !defined(MAC_OS_X_VERSION_10_6) || \

MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6

#define DEFINE_EMPTY_PROTOCOL(p) \

@protocol p \

@end

DEFINE_EMPTY_PROTOCOL(NSAlertDelegate)

DEFINE_EMPTY_PROTOCOL(NSApplicationDelegate)

DEFINE_EMPTY_PROTOCOL(NSControlTextEditingDelegate)

DEFINE_EMPTY_PROTOCOL(NSMatrixDelegate)

DEFINE_EMPTY_PROTOCOL(NSMenuDelegate)

DEFINE_EMPTY_PROTOCOL(NSOpenSavePanelDelegate)

DEFINE_EMPTY_PROTOCOL(NSOutlineViewDataSource)

DEFINE_EMPTY_PROTOCOL(NSOutlineViewDelegate)

DEFINE_EMPTY_PROTOCOL(NSSpeechSynthesizerDelegate)

DEFINE_EMPTY_PROTOCOL(NSSplitViewDelegate)

DEFINE_EMPTY_PROTOCOL(NSTableViewDataSource)

DEFINE_EMPTY_PROTOCOL(NSTableViewDelegate)

DEFINE_EMPTY_PROTOCOL(NSTextFieldDelegate)

DEFINE_EMPTY_PROTOCOL(NSTextViewDelegate)

DEFINE_EMPTY_PROTOCOL(NSWindowDelegate)

#undef DEFINE_EMPTY_PROTOCOL

#endif

#endif // BUILDING_CEF_SHARED

// All CEF client applications must subclass NSApplication and implement this

// protocol.

@protocol CefAppProtocol<CrAppProtocol>

- (void)setHandlingSendEvent:(BOOL)handlingSendEvent;

@end

// Controls the state of |isHandlingSendEvent| in the event loop so that it is

// reset properly.

class CefScopedSendingEvent {

public:

CefScopedSendingEvent()

: app_(static_cast<NSApplication<CefAppProtocol>*>(

[NSApplication sharedApplication])),

handling_([app_ isHandlingSendEvent]) {

[app_ setHandlingSendEvent:YES];

}

~CefScopedSendingEvent() {

[app_ setHandlingSendEvent:handling_];

}

private:

NSApplication<CefAppProtocol>* app_;

BOOL handling_;

};

#endif // defined(OS_MACOSX) && defined(__OBJC__)

#endif // CEF_INCLUDE_CEF_APPLICATION_MAC_H_