b70b229370
Wef is a Rust library for embedding WebView functionality using Chromium Embedded Framework (CEF3) with offscreen rendering support.
123 lines
3.1 KiB
Text
123 lines
3.1 KiB
Text
#import <AppKit/AppKit.h>
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#import <Foundation/Foundation.h>
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#include "external_pump.h"
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@class EventHandler;
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class ExternalPumpMac : public ExternalPump {
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public:
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ExternalPumpMac();
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~ExternalPumpMac();
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void OnScheduleMessagePumpWork(int64_t delay_ms) override;
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void HandleScheduleWork(int64_t delay_ms);
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void HandleTimerTimeout();
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protected:
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void SetTimer(int64_t delay_ms) override;
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void KillTimer() override;
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bool IsTimerPending() override { return timer_ != nil; }
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private:
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NSThread* owner_thread_;
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NSTimer* timer_;
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EventHandler* event_handler_;
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};
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// Object that handles event callbacks on the owner thread.
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@interface EventHandler : NSObject {
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@private
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ExternalPumpMac* pump_;
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}
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- (id)initWithPump:(ExternalPumpMac*)pump;
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- (void)scheduleWork:(NSNumber*)delay_ms;
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- (void)timerTimeout:(id)obj;
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@end
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@implementation EventHandler
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- (id)initWithPump:(ExternalPumpMac*)pump {
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if (self = [super init]) {
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pump_ = pump;
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}
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return self;
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}
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- (void)scheduleWork:(NSNumber*)delay_ms {
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pump_->HandleScheduleWork([delay_ms integerValue]);
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}
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- (void)timerTimeout:(id)obj {
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pump_->HandleTimerTimeout();
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}
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@end
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ExternalPumpMac::ExternalPumpMac()
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: owner_thread_([NSThread currentThread]), timer_(nil) {
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#if !__has_feature(objc_arc)
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[owner_thread_ retain];
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#endif // !__has_feature(objc_arc)
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event_handler_ = [[EventHandler alloc] initWithPump:this];
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}
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ExternalPumpMac::~ExternalPumpMac() {
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KillTimer();
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#if !__has_feature(objc_arc)
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[owner_thread_ release];
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[event_handler_ release];
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#endif // !__has_feature(objc_arc)
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owner_thread_ = nil;
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event_handler_ = nil;
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}
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void ExternalPumpMac::OnScheduleMessagePumpWork(
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int64_t delay_ms) {
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// This method may be called on any thread.
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NSNumber* number = [NSNumber numberWithInt:static_cast<int>(delay_ms)];
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[event_handler_ performSelector:@selector(scheduleWork:)
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onThread:owner_thread_
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withObject:number
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waitUntilDone:NO];
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}
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void ExternalPumpMac::HandleScheduleWork(int64_t delay_ms) {
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OnScheduleWork(delay_ms);
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}
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void ExternalPumpMac::HandleTimerTimeout() {
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OnTimerTimeout();
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}
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void ExternalPumpMac::SetTimer(int64_t delay_ms) {
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const double delay_s = static_cast<double>(delay_ms) / 1000.0;
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timer_ = [NSTimer timerWithTimeInterval:delay_s
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target:event_handler_
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selector:@selector(timerTimeout:)
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userInfo:nil
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repeats:NO];
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#if !__has_feature(objc_arc)
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[timer_ retain];
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#endif // !__has_feature(objc_arc)
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// Add the timer to default and tracking runloop modes.
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NSRunLoop* owner_runloop = [NSRunLoop currentRunLoop];
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[owner_runloop addTimer:timer_ forMode:NSRunLoopCommonModes];
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[owner_runloop addTimer:timer_ forMode:NSEventTrackingRunLoopMode];
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}
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void ExternalPumpMac::KillTimer() {
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if (timer_ != nil) {
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[timer_ invalidate];
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#if !__has_feature(objc_arc)
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[timer_ release];
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#endif // !__has_feature(objc_arc)
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timer_ = nil;
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}
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}
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std::unique_ptr<ExternalPump> ExternalPump::Create() {
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return std::make_unique<ExternalPumpMac>();
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}
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