58468dfed0
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14694 a95241bf-73f2-0310-859d-f6bbb57e9c96
63 lines
1.2 KiB
C++
63 lines
1.2 KiB
C++
/*
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* Copyright 2005, Haiku.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Axel Dörfler, axeld@pinc-software.de
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*/
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#ifndef SCREEN_MANAGER_H
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#define SCREEN_MANAGER_H
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#include <Looper.h>
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#include <ObjectList.h>
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class BMessage;
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class DrawingEngine;
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class HWInterface;
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class Screen;
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typedef BObjectList<Screen> ScreenList;
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class ScreenOwner {
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public:
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virtual void ScreenRemoved(Screen* screen) = 0;
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virtual void ScreenAdded(Screen* screen) = 0;
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virtual bool ReleaseScreen(Screen* screen) = 0;
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};
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class ScreenManager : public BLooper {
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public:
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ScreenManager();
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virtual ~ScreenManager();
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Screen* ScreenAt(int32 index) const;
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int32 CountScreens() const;
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status_t AcquireScreens(ScreenOwner* owner, int32* wishList,
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int32 wishCount, bool force, ScreenList& list);
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void ReleaseScreens(ScreenList& list);
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virtual void MessageReceived(BMessage* message);
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private:
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void _ScanDrivers();
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void _AddHWInterface(HWInterface* interface);
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struct screen_item {
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Screen* screen;
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ScreenOwner* owner;
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};
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BObjectList<screen_item> fScreenList;
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};
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extern ScreenManager *gScreenManager;
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#endif /* SCREEN_MANAGER_H */
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