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#ue4 #android #codereview Ryan.Gerleve,Bart.Bressler [CL 2421296 by Chris Babcock in Main branch]
90 lines
1.9 KiB
C++
90 lines
1.9 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#ifndef ANDROID_EVENT_MANAGER_H
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#define ANDROID_EVENT_MANAGER_H
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struct ANativeWindow;
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DECLARE_LOG_CATEGORY_EXTERN(LogAndroidEvents, Log, All);
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enum EAppEventState
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{
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APP_EVENT_STATE_WINDOW_CREATED,
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APP_EVENT_STATE_WINDOW_RESIZED,
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APP_EVENT_STATE_WINDOW_CHANGED,
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APP_EVENT_STATE_WINDOW_DESTROYED,
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APP_EVENT_STATE_WINDOW_REDRAW_NEEDED,
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APP_EVENT_STATE_ON_DESTROY,
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APP_EVENT_STATE_ON_PAUSE,
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APP_EVENT_STATE_ON_RESUME,
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APP_EVENT_STATE_ON_STOP,
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APP_EVENT_STATE_ON_START,
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APP_EVENT_STATE_WINDOW_LOST_FOCUS,
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APP_EVENT_STATE_WINDOW_GAINED_FOCUS,
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APP_EVENT_STATE_SAVE_STATE,
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APP_EVENT_STATE_INVALID = -1,
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};
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struct FAppEventData
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{
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EAppEventState State;
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void* Data;
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FAppEventData():
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State(APP_EVENT_STATE_INVALID)
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,Data(NULL)
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{ }
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};
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class FAppEventManager
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{
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public:
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static FAppEventManager* GetInstance();
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void Tick();
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void EnqueueAppEvent(EAppEventState InState, void* InData = NULL);
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void SetEventHandlerEvent(FEvent* InEventHandlerEvent);
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void HandleWindowCreated(void* InWindow);
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bool IsGamePaused();
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bool WaitForEventInQueue(EAppEventState InState, double TimeoutSeconds);
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protected:
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FAppEventManager();
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private:
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FAppEventData DequeueAppEvent();
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void PauseRendering();
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void ResumeRendering();
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void PauseAudio();
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void ResumeAudio();
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void ExecWindowChanged();
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void ExecWindowCreated();
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static FAppEventManager* sInstance;
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pthread_mutex_t QueueMutex; //@todo android: can probably get rid of this now that we're using an mpsc queue
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TQueue<FAppEventData, EQueueMode::Mpsc> Queue;
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pthread_mutex_t MainMutex;
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FEvent* EventHandlerEvent; // triggered every time the event handler thread fires off an event
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//states
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bool FirstInitialized;
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bool bCreateWindow;
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ANativeWindow* PendingWindow;
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bool bWindowChanged;
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bool bWindowInFocus;
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bool bSaveState;
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bool bAudioPaused;
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bool bHaveWindow;
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bool bHaveGame;
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bool bRunning;
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};
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#endif
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