tip/ui/cocoa/UiThread.m

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2024 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. 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.
 *
 * 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 HOLDER 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.
 */

#import "UiThread.h"


@implementation UiThread

- (id) init:(UiObject*)obj jobfunc:(ui_threadfunc)job jobdata:(void*)jobdata {
    _obj = obj;
    _job = job;
    _jobdata = jobdata;
    return self;
}

- (void) start {
    [NSThread detachNewThreadSelector:@selector(runJob:)
                             toTarget:self
                           withObject:nil];
}


- (void) runJob:(id)n {
    int result = _job(_jobdata);
    if(!result) {
        [self performSelectorOnMainThread:@selector(finish:)
                               withObject:nil
                            waitUntilDone:NO];
    }
}

- (void) finish:(id)n {
    UiEvent event;
    event.obj = _obj;
    event.window = event.obj->window;
    event.document = event.obj->ctx->document;
    event.eventdata = NULL;
    event.intval = 0;
    _finish_callback(&event, _finish_userdata);
}

@end