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* Big time cleanup of the screen saver stuff, not yet finished yet, though.

Browse Source 
Renamed lots of things, like ScreenSaverThread to ScreenSaverRunner,
  refactored code, etc. Much cleaner interfaces and code.
* Fixed a couple of bugs and in the add-on handling, especially some settings
  related bugs (ie. testing a screen saver will now use its latest settings,
  etc.).
* Correctly implemented DPMS support in ScreenSaverPrefs and the ScreenSaver
  preferences application - screen_blanker still ignores them, though.
* It's not yet font sensitive either.
* Changed the input_server add-on to not switch to the screen blanker immediately
  when it's in the "blank corner" - doesn't seem to work yet, though (only tested
  under Qemu).
* Correctly implemented the "preview" function (before, a screen saver would
  never know it rendered a preview).
* Evaluates the return value of BScreenSaver::StartSaver().
* The screen saver thread is no longer killed without notice - it's now
  always shut down properly.
* Made the code more robust against failure.
* Introduced some new bugs as well (the screen saver list view doesn't jump to
  the selection anymore, for some reason), those will be fixed later (as the
  remaining issues).
* Probably some more I forgot about.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@17731 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2006-06-06 08:16:46 +00:00
parent ef1974cb9d
commit 7cae4a1ee0
23 changed files with 1478 additions and 1211 deletions
Download Patch File Download Diff File Expand all files Collapse all files
headers/os/add-ons/screen_saver/ScreenSaver.h
+50 -57
View File
@@ -1,82 +1,75 @@
#if ! defined _SCREENSAVER_H
/*
* Copyright 2002-2006, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _SCREENSAVER_H
#define _SCREENSAVER_H
#include <BeBuild.h>
#include <DirectWindow.h> // for direct_buffer_info
#include <DirectWindow.h>
#include <image.h>
#include <Message.h>
class BView;
class BScreenSaver
{
public:
BScreenSaver(BMessage *archive, image_id);
virtual ~BScreenSaver();
// Return an error if something goes wrong or if you don't
// like the running environment (lack of 3D acceleration,
// lack of sound, ...).
virtual status_t InitCheck();
class BScreenSaver {
public:
BScreenSaver(BMessage* archive, image_id thisImage);
virtual ~BScreenSaver();
// Animation start and stop. The view is not yet visible when
// StartSaver is called.
virtual status_t StartSaver(BView *view, bool preview);
virtual void StopSaver();
virtual status_t InitCheck();
// This hook is called periodically, you should
// override it to do the drawing. Notice that you
// should clear the screen when frame == 0 if you
// don't want to paint over the desktop.
virtual void Draw(BView *view, int32 frame);
virtual status_t StartSaver(BView* view, bool preview);
virtual void StopSaver();
// These hooks are for direct screen access, the first is
// called every time the settings change, the second is
// the equivalent of Draw to be called to access the screen
// directly. Draw and DirectDraw can be used at the same time.
virtual void DirectConnected(direct_buffer_info *info);
virtual void DirectDraw(int32 frame);
virtual void Draw(BView* view, int32 frame);
// configuration dialog methods
virtual void StartConfig(BView *configView);
virtual void StopConfig();
// direct screen access
virtual void DirectConnected(direct_buffer_info* info);
virtual void DirectDraw(int32 frame);
// Module should fill this in with metadata
// example: randomizable = true
virtual void SupplyInfo(BMessage *info) const;
// configuration dialog methods
virtual void StartConfig(BView* configView);
virtual void StopConfig();
// Send all the metadata info to the module
virtual void ModulesChanged(const BMessage *info);
// Module should fill this in with metadata
// example: randomizable = true
virtual void SupplyInfo(BMessage* info) const;
// BArchivable like parameter saver method
virtual status_t SaveState(BMessage *into) const;
// Send all the metadata info to the module
virtual void ModulesChanged(const BMessage* info);
// These methods can be used to control drawing frequency.
void SetTickSize(bigtime_t ts);
bigtime_t TickSize() const;
// BArchivable like parameter saver method
virtual status_t SaveState(BMessage* into) const;
// These methods can be used to control animation loop cycles
void SetLoop(int32 on_count, int32 off_count);
int32 LoopOnCount() const;
int32 LoopOffCount() const;
// These methods can be used to control drawing frequency.
void SetTickSize(bigtime_t tickSize);
bigtime_t TickSize() const;
private:
virtual void _ReservedScreenSaver1();
virtual void _ReservedScreenSaver2();
virtual void _ReservedScreenSaver3();
virtual void _ReservedScreenSaver4();
virtual void _ReservedScreenSaver5();
virtual void _ReservedScreenSaver6();
virtual void _ReservedScreenSaver7();
virtual void _ReservedScreenSaver8();
// These methods can be used to control animation loop cycles
void SetLoop(int32 onCount, int32 offCount);
int32 LoopOnCount() const;
int32 LoopOffCount() const;
bigtime_t ticksize;
int32 looponcount;
int32 loopoffcount;
private:
virtual void _ReservedScreenSaver1();
virtual void _ReservedScreenSaver2();
virtual void _ReservedScreenSaver3();
virtual void _ReservedScreenSaver4();
virtual void _ReservedScreenSaver5();
virtual void _ReservedScreenSaver6();
virtual void _ReservedScreenSaver7();
virtual void _ReservedScreenSaver8();
uint32 _reservedScreenSaver[6];
bigtime_t fTickSize;
int32 fLoopOnCount;
int32 fLoopOffCount;
uint32 _reserved[6];
};
extern "C" _EXPORT BScreenSaver *instantiate_screen_saver(BMessage *msg, image_id id);
#endif
#endif // _SCREENSAVER_H