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#include "cru/osx/gui/UiApplication.hpp"
#include "cru/osx/graphics/quartz/Factory.hpp"
#include <AppKit/NSApplication.h>
#include <Foundation/NSRunLoop.h>
#include <algorithm>
#include <memory>
#include <unordered_map>
@interface AppDelegate : NSObject <NSApplicationDelegate>
- (id)init:(cru::platform::gui::osx::details::OsxUiApplicationPrivate*)p;
- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication*)sender;
- (void)applicationWillTerminate:(NSNotification*)notification;
@end
namespace cru::platform::gui::osx {
namespace details {
class OsxUiApplicationPrivate {
friend OsxUiApplication;
public:
explicit OsxUiApplicationPrivate(OsxUiApplication* osx_ui_application)
: osx_ui_application_(osx_ui_application) {
app_delegate_ = [[AppDelegate alloc] init:this];
}
CRU_DELETE_COPY(OsxUiApplicationPrivate)
CRU_DELETE_MOVE(OsxUiApplicationPrivate)
~OsxUiApplicationPrivate() = default;
void CallQuitHandlers();
private:
OsxUiApplication* osx_ui_application_;
AppDelegate* app_delegate_;
std::vector<std::function<void()>> quit_handlers_;
long long current_timer_id_ = 1;
std::unordered_map<long long, std::function<void()>> next_tick_;
std::unordered_map<long long, NSTimer*> timers_;
std::unique_ptr<platform::graphics::osx::quartz::QuartzGraphicsFactory> quartz_graphics_factory_;
};
void OsxUiApplicationPrivate::CallQuitHandlers() {
for (const auto& handler : quit_handlers_) {
handler();
}
}
}
OsxUiApplication::OsxUiApplication()
: OsxGuiResource(this), p_(new details::OsxUiApplicationPrivate(this)) {
[NSApp setDelegate:p_->app_delegate_];
p_->quartz_graphics_factory_ = std::make_unique<graphics::osx::quartz::QuartzGraphicsFactory>();
}
OsxUiApplication::~OsxUiApplication() {}
int OsxUiApplication::Run() {
[NSApp run];
return 0;
}
void OsxUiApplication::RequestQuit(int quit_code) {
[NSApp terminate:[NSNumber numberWithInteger:quit_code]];
}
void OsxUiApplication::AddOnQuitHandler(std::function<void()> handler) {
p_->quit_handlers_.push_back(std::move(handler));
}
long long OsxUiApplication::SetImmediate(std::function<void()> action) {
const long long id = p_->current_timer_id_++;
p_->next_tick_.emplace(id, std::move(action));
[[NSRunLoop mainRunLoop] performBlock:^{
const auto i = p_->next_tick_.find(id);
if (i != p_->next_tick_.cend()) {
i->second();
}
p_->next_tick_.erase(i);
}];
return id;
}
long long OsxUiApplication::SetTimeout(std::chrono::milliseconds milliseconds,
std::function<void()> action) {
long long id = p_->current_timer_id_++;
p_->timers_.emplace(id, [NSTimer scheduledTimerWithTimeInterval:milliseconds.count() / 1000.0
repeats:false
block:^(NSTimer* timer) {
action();
p_->timers_.erase(id);
}]);
return id;
}
long long OsxUiApplication::SetInterval(std::chrono::milliseconds milliseconds,
std::function<void()> action) {
long long id = p_->current_timer_id_++;
p_->timers_.emplace(id, [NSTimer scheduledTimerWithTimeInterval:milliseconds.count() / 1000.0
repeats:true
block:^(NSTimer* timer) {
action();
}]);
return id;
}
void OsxUiApplication::CancelTimer(long long id) {
p_->next_tick_.erase(id);
auto i = p_->timers_.find(id);
if (i != p_->timers_.cend()) {
[i->second invalidate];
p_->timers_.erase(i);
}
}
}
@implementation AppDelegate
cru::platform::gui::osx::details::OsxUiApplicationPrivate* _p;
- (id)init:(cru::platform::gui::osx::details::OsxUiApplicationPrivate*)p {
_p = p;
return self;
}
- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication*)sender {
return NSApplicationTerminateReply::NSTerminateNow;
}
- (void)applicationWillTerminate:(NSNotification*)notification {
_p->CallQuitHandlers();
}
@end
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