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// Copyright (C) 2002 Neil Stevens <[email protected]>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// THE AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
// AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Except as contained in this notice, the name(s) of the author(s) shall not be
// used in advertising or otherwise to promote the sale, use or other dealings
// in this Software without prior written authorization from the author(s).
#ifndef KMEDIAPLAYERPLAYER_H
#define KMEDIAPLAYERPLAYER_H
#include <kparts/part.h>
#include <kmediaplayer/playerdcopobject.h>
#include <kmediaplayer/view.h>
/** KMediaPlayer contains an interface to reusable media player components.
*/
namespace KMediaPlayer
{
/** Player is the center of the KMediaPlayer interface. It provides all of
* the necessary media player operations, and optionally provides the GUI to
* control them.
*
* There are two servicetypes for Player: KMediaPlayer/Player and
* KMediaPlayer/Engine. KMediaPlayer/Player provides a widget (accessable
* through view as well as XML GUI KActions. KMediaPlayer/Engine omits
* the user interface facets, for those who wish to provide their own
* interface.
*/
class KDE_EXPORT Player : public KParts::ReadOnlyPart, public PlayerDCOPObject
{
Q_OBJECT
public:
/** This constructor is what to use when no GUI is required, as in the
* case of a KMediaPlayer/Engine.
*/
Player(TQObject *parent, const char *name);
/** This constructor is what to use when a GUI is required, as in the
* case of a KMediaPlayer/Player.
*/
Player(TQWidget *parentWidget, const char *widgetName, TQObject *parent, const char *name);
virtual ~Player(void);
/** A convenience function returning a pointer to the View for this
* Player, or 0 if this Player has no GUI.
*/
virtual View *view(void) = 0;
public slots:
/** Pause playback of the media track.*/
virtual void pause(void) = 0;
/** Begin playing the media track.*/
virtual void play(void) = 0;
/** Stop playback of the media track and return to the beginning.*/
virtual void stop(void) = 0;
/** Move the current playback position to the specified time in
* milliseconds, if the track is seekable. Some streams may not be
* seeked.
*/
virtual void seek(unsigned long msec) = 0;
public:
/** Returns whether the current track honors seek requests.*/
virtual bool isSeekable(void) const = 0;
/** Returns the current playback position in the track.*/
virtual unsigned long position(void) const = 0;
/** Returns whether the current track has a length. Some streams are
* endless, and do not have one. */
virtual bool hasLength(void) const = 0;
/** Returns the length of the current track.*/
virtual unsigned long length(void) const = 0;
public slots:
/** Set whether the Player should continue playing at the beginning of
* the track when the end of the track is reached.
*/
void setLooping(bool);
public:
/** Return the current looping state. */
bool isLooping(void) const;
signals:
/** Emitted when the looping state is changed. */
void loopingChanged(bool);
public:
/** The possible states of the Player */
enum State
{
/** No track is loaded. */
Empty,
/** Not playing. */
Stop,
/** Playing is temporarily suspended. */
Pause,
/** The media is currently being output. */
Play
};
/** Return the current state of the player. */
int state(void) const;
signals:
/** Emitted when the state changes. */
void stateChanged(int);
protected slots:
/** Implementers use this to control what users see as the current
* state.*/
void setState(int);
private:
bool currentLooping;
State currentState;
struct Data;
Data *d;
};
}
#endif
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