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/* Copyright 2015-2019 Egor Yusov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#include <memory>
#include <string>
#import "ViewBase.h"
@implementation ViewBase
{
std::unique_ptr<Diligent::NativeAppBase> _theApp;
std::string _error;
NSRecursiveLock* appLock;
}
@synthesize displayLink;
// Prepares the receiver for service after it has been loaded
// from an Interface Builder archive, or nib file.
- (void) awakeFromNib
{
[super awakeFromNib];
_theApp.reset(Diligent::CreateApplication());
// [self window] is nil here
auto* mainWindow = [[NSApplication sharedApplication] mainWindow];
// Register to be notified when the main window closes so we can stop the displaylink
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(windowWillClose:)
name:NSWindowWillCloseNotification
object:mainWindow];
mainWindow.minSize = NSSize{320, 240};
}
-(void)initApp:(NSView*) view
{
// Init the application.
try
{
_theApp->Initialize((__bridge void*)view, self.renderMode);
}
catch(std::runtime_error &err)
{
_error = err.what();
_theApp.reset();
}
}
-(Diligent::NativeAppBase*)lockApp
{
[appLock lock];
return _theApp.get();
}
-(void)unlockApp
{
[appLock unlock];
}
- (BOOL)acceptsFirstResponder
{
return YES; // To make keyboard events work
}
-(void)destroyApp
{
// Stop the display link BEFORE releasing anything in the view
// otherwise the display link thread may call into the view and crash
// when it encounters something that has been released
if (displayLink)
{
CVDisplayLinkStop(displayLink);
}
[appLock lock];
_theApp.reset();
[appLock unlock];
}
-(void) dealloc
{
[self destroyApp];
CVDisplayLinkRelease(displayLink);
[appLock release];
[super dealloc];
}
-(NSString*)getError
{
return _error.empty() ? nil : [NSString stringWithFormat:@"%s", _error.c_str()];
}
- (void)stopDisplayLink
{
if (displayLink)
{
CVDisplayLinkStop(displayLink);
}
}
- (void)startDisplayLink
{
if (displayLink)
{
CVDisplayLinkStart(displayLink);
}
}
- (void) windowWillClose:(NSNotification*)notification
{
[self destroyApp];
}
-(NSString*)getAppName
{
auto* theApp = [self lockApp];
auto Title = [NSString stringWithFormat:@"%s", theApp ? theApp->GetAppTitle() : ""];
[self unlockApp];
return Title;
}
@end
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