UTM/Platform/iOS/Display/VMDisplayViewController.m

//
// Copyright © 2020 osy. All rights reserved.
//
// 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#import "VMDisplayViewController.h"
#import "UTM-Swift.h"

@implementation VMDisplayViewController

#pragma mark - Properties

@synthesize prefersStatusBarHidden = _prefersStatusBarHidden;
@synthesize vmConfiguration;
@synthesize vmMessage;
@synthesize keyboardVisible = _keyboardVisible;
@synthesize toolbarVisible = _toolbarVisible;

- (UTMQemuConfiguration *)vmQemuConfig {
    return (UTMQemuConfiguration *)vmConfiguration;
}

- (BOOL)prefersHomeIndicatorAutoHidden {
    return YES; // always hide home indicator
}

- (UIStatusBarStyle)preferredStatusBarStyle {
    return UIStatusBarStyleLightContent;
}

- (void)setPrefersStatusBarHidden:(BOOL)prefersStatusBarHidden {
    _prefersStatusBarHidden = prefersStatusBarHidden;
    [self setNeedsStatusBarAppearanceUpdate];
}

- (void)setToolbarVisible:(BOOL)toolbarVisible {
    if (toolbarVisible) {
        [self.toolbar show];
    } else {
        [self.toolbar hide];
    }
    _toolbarVisible = toolbarVisible;
}

#pragma mark - View handling

- (BOOL)inputViewIsFirstResponder {
    return NO;
}

- (void)updateKeyboardAccessoryFrame {
}

- (void)virtualMachine:(UTMVirtualMachine *)vm transitionToState:(UTMVMState)state {
    static BOOL hasStartedOnce = NO;
    if (hasStartedOnce && state == kVMStopped) {
        [self terminateApplication];
    }
    switch (state) {
        case kVMError: {
            [self.placeholderIndicator stopAnimating];
            self.resumeBigButton.hidden = YES;
            NSString *msg = self.vmMessage ? self.vmMessage : NSLocalizedString(@"An internal error has occured. UTM will terminate.", @"VMDisplayViewController");
            [self showAlert:msg actions:nil completion:^(UIAlertAction *action){
                [self terminateApplication];
            }];
            break;
        }
        case kVMStopped:
        case kVMPaused:
        case kVMSuspended: {
            [self enterSuspendedWithIsBusy:NO];
            break;
        }
        case kVMPausing:
        case kVMStopping:
        case kVMStarting:
        case kVMResuming: {
            [self enterSuspendedWithIsBusy:YES];
            break;
        }
        case kVMStarted: {
            hasStartedOnce = YES; // auto-quit after VM ends
            [self enterLive];
            break;
        }
    }
}

@end