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+// Copyright (C) 2002 Neil Stevens <neil@qualityassistant.com>
+//
+// 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(QObject *parent, const char *name);
+
+ /** This constructor is what to use when a GUI is required, as in the
+ * case of a KMediaPlayer/Player.
+ */
+ Player(QWidget *parentWidget, const char *widgetName, QObject *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