pcsx2/common/CocoaTools.mm
GovanifY 132431b7c8 headers: relicense to GPL-3.0+
also update to 2024 while i'm at it
2024-07-30 17:17:13 -04:00

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// SPDX-FileCopyrightText: 2002-2024 PCSX2 Dev Team
// SPDX-License-Identifier: GPL-3.0+
#if ! __has_feature(objc_arc)
#error "Compile this with -fobjc-arc"
#endif
#include "CocoaTools.h"
#include "Console.h"
#include "HostSys.h"
#include "WindowInfo.h"
#include <dlfcn.h>
#include <mutex>
#include <vector>
#include <Cocoa/Cocoa.h>
#include <QuartzCore/QuartzCore.h>
// MARK: - Metal Layers
static NSString*_Nonnull NSStringFromStringView(std::string_view sv)
{
return [[NSString alloc] initWithBytes:sv.data() length:sv.size() encoding:NSUTF8StringEncoding];
}
bool CocoaTools::CreateMetalLayer(WindowInfo* wi)
{
if (![NSThread isMainThread])
{
bool ret;
dispatch_sync(dispatch_get_main_queue(), [&ret, wi]{ ret = CreateMetalLayer(wi); });
return ret;
}
CAMetalLayer* layer = [CAMetalLayer layer];
if (!layer)
{
Console.Error("Failed to create Metal layer.");
return false;
}
NSView* view = (__bridge NSView*)wi->window_handle;
[view setWantsLayer:YES];
[view setLayer:layer];
[layer setContentsScale:[[[view window] screen] backingScaleFactor]];
// Store the layer pointer, that way MoltenVK doesn't call [NSView layer] outside the main thread.
wi->surface_handle = (__bridge_retained void*)layer;
return true;
}
void CocoaTools::DestroyMetalLayer(WindowInfo* wi)
{
if (![NSThread isMainThread])
{
dispatch_sync_f(dispatch_get_main_queue(), wi, [](void* ctx){ DestroyMetalLayer(static_cast<WindowInfo*>(ctx)); });
return;
}
NSView* view = (__bridge NSView*)wi->window_handle;
CAMetalLayer* layer = (__bridge_transfer CAMetalLayer*)wi->surface_handle;
if (!layer)
return;
wi->surface_handle = nullptr;
[view setLayer:nil];
[view setWantsLayer:NO];
}
std::optional<float> CocoaTools::GetViewRefreshRate(const WindowInfo& wi)
{
if (![NSThread isMainThread])
{
std::optional<float> ret;
dispatch_sync(dispatch_get_main_queue(), [&ret, wi]{ ret = GetViewRefreshRate(wi); });
return ret;
}
std::optional<float> ret;
NSView* const view = (__bridge NSView*)wi.window_handle;
const u32 did = [[[[[view window] screen] deviceDescription] valueForKey:@"NSScreenNumber"] unsignedIntValue];
if (CGDisplayModeRef mode = CGDisplayCopyDisplayMode(did))
{
ret = CGDisplayModeGetRefreshRate(mode);
CGDisplayModeRelease(mode);
}
return ret;
}
// MARK: - Theme Change Handlers
@interface PCSX2KVOHelper : NSObject
- (void)addCallback:(void*)ctx run:(void(*)(void*))callback;
- (void)removeCallback:(void*)ctx;
@end
@implementation PCSX2KVOHelper
{
std::vector<std::pair<void*, void(*)(void*)>> _callbacks;
}
- (void)addCallback:(void*)ctx run:(void(*)(void*))callback
{
_callbacks.push_back(std::make_pair(ctx, callback));
}
- (void)removeCallback:(void*)ctx
{
auto new_end = std::remove_if(_callbacks.begin(), _callbacks.end(), [ctx](const auto& entry){
return ctx == entry.first;
});
_callbacks.erase(new_end, _callbacks.end());
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context
{
for (const auto& callback : _callbacks)
callback.second(callback.first);
}
@end
static PCSX2KVOHelper* s_themeChangeHandler;
void CocoaTools::AddThemeChangeHandler(void* ctx, void(handler)(void* ctx))
{
assert([NSThread isMainThread]);
if (!s_themeChangeHandler)
{
s_themeChangeHandler = [[PCSX2KVOHelper alloc] init];
NSApplication* app = [NSApplication sharedApplication];
[app addObserver:s_themeChangeHandler
forKeyPath:@"effectiveAppearance"
options:0
context:nil];
}
[s_themeChangeHandler addCallback:ctx run:handler];
}
void CocoaTools::RemoveThemeChangeHandler(void* ctx)
{
assert([NSThread isMainThread]);
[s_themeChangeHandler removeCallback:ctx];
}
// MARK: - Sound playback
bool Common::PlaySoundAsync(const char* path)
{
NSString* nspath = [[NSString alloc] initWithUTF8String:path];
NSSound* sound = [[NSSound alloc] initWithContentsOfFile:nspath byReference:YES];
return [sound play];
}
// MARK: - Updater
std::optional<std::string> CocoaTools::GetBundlePath()
{
std::optional<std::string> ret;
@autoreleasepool {
NSURL* url = [NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]];
if (url)
ret = std::string([url fileSystemRepresentation]);
}
return ret;
}
std::optional<std::string> CocoaTools::GetNonTranslocatedBundlePath()
{
// See https://objective-see.com/blog/blog_0x15.html
NSURL* url = [NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]];
if (!url)
return std::nullopt;
if (void* handle = dlopen("/System/Library/Frameworks/Security.framework/Security", RTLD_LAZY))
{
auto IsTranslocatedURL = reinterpret_cast<Boolean(*)(CFURLRef path, bool* isTranslocated, CFErrorRef*__nullable error)>(dlsym(handle, "SecTranslocateIsTranslocatedURL"));
auto CreateOriginalPathForURL = reinterpret_cast<CFURLRef __nullable(*)(CFURLRef translocatedPath, CFErrorRef*__nullable error)>(dlsym(handle, "SecTranslocateCreateOriginalPathForURL"));
bool is_translocated = false;
if (IsTranslocatedURL)
IsTranslocatedURL((__bridge CFURLRef)url, &is_translocated, nullptr);
if (is_translocated)
{
if (CFURLRef actual = CreateOriginalPathForURL((__bridge CFURLRef)url, nullptr))
url = (__bridge_transfer NSURL*)actual;
}
dlclose(handle);
}
return std::string([url fileSystemRepresentation]);
}
std::optional<std::string> CocoaTools::MoveToTrash(std::string_view file)
{
NSURL* url = [NSURL fileURLWithPath:NSStringFromStringView(file)];
NSURL* new_url;
if (![[NSFileManager defaultManager] trashItemAtURL:url resultingItemURL:&new_url error:nil])
return std::nullopt;
return std::string([new_url fileSystemRepresentation]);
}
bool CocoaTools::DelayedLaunch(std::string_view file)
{
@autoreleasepool {
NSTask* task = [NSTask new];
[task setExecutableURL:[NSURL fileURLWithPath:@"/bin/sh"]];
[task setEnvironment:@{
@"WAITPID": [NSString stringWithFormat:@"%d", [[NSProcessInfo processInfo] processIdentifier]],
@"LAUNCHAPP": NSStringFromStringView(file),
}];
[task setArguments:@[@"-c", @"while /bin/ps -p $WAITPID > /dev/null; do /bin/sleep 0.1; done; exec /usr/bin/open \"$LAUNCHAPP\";"]];
return [task launchAndReturnError:nil];
}
}
// MARK: - Directory Services
bool CocoaTools::ShowInFinder(std::string_view file)
{
return [[NSWorkspace sharedWorkspace] selectFile:NSStringFromStringView(file)
inFileViewerRootedAtPath:nil];
}