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/****************************************************************************
* NxWidgets/nxwm/include/cmediaplayer.hxx
*
* Copyright (C) 2013 Ken Pettit. All rights reserved.
* Author: Ken Pettit <pettitkd@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX, NxWidgets, nor the names of its contributors
* me be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __INCLUDE_CMEDIAPLAYER_HXX
#define __INCLUDE_CMEDIAPLAYER_HXX
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <nuttx/nx/nxtk.h>
#include <nuttx/nx/nxconsole.h>
#include "cimage.hxx"
#include "clabel.hxx"
#include "cnxfont.hxx"
#include "cglyphsliderhorizontal.hxx"
#include "iapplication.hxx"
#include "capplicationwindow.hxx"
#include "ctaskbar.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
#define NXWM_MEDIAPLAYER_NROWS 6
#define NXWM_MEDIAPLAYER_NCOLUMNS 6
/****************************************************************************
* Implementation Classes
****************************************************************************/
#if defined(__cplusplus)
namespace NxWM
{
/**
* This class implements the CMediaPlayer application.
*/
class CMediaPlayer : public IApplication,
private IApplicationCallback,
private NXWidgets::CWidgetEventHandler
{
private:
/**
* The structure defines a pending operation.
*/
struct SPendingOperation
{
int64_t value; /**< Accumulated value */
uint8_t operation; /**< Identifies the operations */
};
/**
* Media player state data.
*/
/**
* Cached constructor parameters.
*/
CTaskbar *m_taskbar; /**< Reference to the "parent" taskbar */
CApplicationWindow *m_window; /**< Reference to the application window */
/**
* Widgets
*/
NXWidgets::CLabel *m_text; /**< Some text in the app for now */
NXWidgets::CNxFont *m_font; /**< The font used in the media player */
NXWidgets::CImage *m_rew; /**< Rewind control */
NXWidgets::CImage *m_playPause; /**< Play/Pause control */
NXWidgets::CImage *m_fwd; /**< Forward control */
NXWidgets::CGlyphSliderHorizontal *m_volume; /**< Volume control */
/**
* Calculator geometry. This stuff does not really have to be retained
* in memory. If you are pinched for memory, get rid of these.
*/
struct nxgl_size_s m_windowSize; /**< The size of the calculator window */
struct nxgl_size_s m_textSize; /**< The size of the calculator textbox */
struct nxgl_point_s m_textPos; /**< The position of the calculator textbox */
/**
* Select the geometry of the media player given the current window size.
* Only called as part of construction.
*/
inline void setGeometry(void);
/**
* Create the Media Player conrols. Only start as part of the applicaiton
* start method.
*/
inline bool createPlayer(void);
/**
* Called when the window minimize button is pressed.
*/
void minimize(void);
/**
* Called when the window minimize close is pressed.
*/
void close(void);
/**
* Handle a widget action event. For CImage, this is a button pre-
* release event.
*
* @param e The event data.
*/
void handleActionEvent(const NXWidgets::CWidgetEventArgs &e);
public:
/**
* CMediaPlayer constructor
*
* @param window. The application window
*
* @param taskbar. A pointer to the parent task bar instance
* @param window. The window to be used by this application.
*/
CMediaPlayer(CTaskbar *taskbar, CApplicationWindow *window);
/**
* CMediaPlayer destructor
*/
~CMediaPlayer(void);
/**
* Each implementation of IApplication must provide a method to recover
* the contained CApplicationWindow instance.
*/
IApplicationWindow *getWindow(void) const;
/**
* Get the icon associated with the application
*
* @return An instance if IBitmap that may be used to rend the
* application's icon. This is an new IBitmap instance that must
* be deleted by the caller when it is no long needed.
*/
NXWidgets::IBitmap *getIcon(void);
/**
* Get the name string associated with the application
*
* @return A copy if CNxString that contains the name of the application.
*/
NXWidgets::CNxString getName(void);
/**
* Start the application (perhaps in the minimized state).
*
* @return True if the application was successfully started.
*/
bool run(void);
/**
* Stop the application.
*/
void stop(void);
/**
* Destroy the application and free all of its resources. This method
* will initiate blocking of messages from the NX server. The server
* will flush the window message queue and reply with the blocked
* message. When the block message is received by CWindowMessenger,
* it will send the destroy message to the start window task which
* will, finally, safely delete the application.
*/
void destroy(void);
/**
* The application window is hidden (either it is minimized or it is
* maximized, but not at the top of the hierarchy
*/
void hide(void);
/**
* Redraw the entire window. The application has been maximized or
* otherwise moved to the top of the hierarchy. This method is call from
* CTaskbar when the application window must be displayed
*/
void redraw(void);
/**
* Report of this is a "normal" window or a full screen window. The
* primary purpose of this method is so that window manager will know
* whether or not it show draw the task bar.
*
* @return True if this is a full screen window.
*/
bool isFullScreen(void) const;
};
class CMediaPlayerFactory : public IApplicationFactory
{
private:
CTaskbar *m_taskbar; /**< The taskbar */
public:
/**
* CMediaPlayerFactory Constructor
*
* @param taskbar. The taskbar instance used to terminate calibration
*/
CMediaPlayerFactory(CTaskbar *taskbar);
/**
* CMediaPlayerFactory Destructor
*/
inline ~CMediaPlayerFactory(void) { }
/**
* Create a new instance of an CMediaPlayer (as IApplication).
*/
IApplication *create(void);
/**
* Get the icon associated with the application
*
* @return An instance if IBitmap that may be used to rend the
* application's icon. This is an new IBitmap instance that must
* be deleted by the caller when it is no long needed.
*/
NXWidgets::IBitmap *getIcon(void);
};
}
#endif // __cplusplus
#endif // __INCLUDE_CMEDIAPLAYER_HXX
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