324155cd1e
Gregory Nutt is has submitted the SGA Uros Platise has submitted the ICLA Ken Pettit has submitted the ICLA Sebastien Lorquet has submitted the ICLA Pierre-Noel Bouteville has submitted the ICLA as a result we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
470 lines
15 KiB
C++
470 lines
15 KiB
C++
/****************************************************************************
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* apps/include/graphics/nxwm/cmediaplayer.hxx
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __APPS_INCLUDE_GRAPHICS_NXWM_CMEDIAPLAYER_HXX
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#define __APPS_INCLUDE_GRAPHICS_NXWM_CMEDIAPLAYER_HXX
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <nuttx/nx/nxtk.h>
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#include <nuttx/nx/nxterm.h>
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#include "graphics/nxwidgets/cnxfont.hxx"
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#include "graphics/nxwidgets/cimage.hxx"
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#include "graphics/nxwidgets/cstickyimage.hxx"
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#include "graphics/nxwidgets/clabel.hxx"
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#include "graphics/nxwidgets/clistbox.hxx"
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#include "graphics/nxwidgets/clistboxdataitem.hxx"
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#include "graphics/nxwidgets/cglyphsliderhorizontal.hxx"
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#include "graphics/nxwm/iapplication.hxx"
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#include "graphics/nxwm/capplicationwindow.hxx"
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#include "graphics/nxwm/ctaskbar.hxx"
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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#define NXWM_MEDIAPLAYER_NROWS 6
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#define NXWM_MEDIAPLAYER_NCOLUMNS 6
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/****************************************************************************
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* Implementation Classes
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****************************************************************************/
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#if defined(__cplusplus)
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namespace NxWM
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{
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/**
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* This class implements the CMediaPlayer application.
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*/
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class CMediaPlayer : public IApplication,
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private IApplicationCallback,
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private NXWidgets::CWidgetEventHandler
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{
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private:
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/**
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* This enumeration identifies the state of the media player
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*
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* State Transition Table
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* ---------+----------+----------+----------+----------+----------+----------+
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* | FILE | FILE | | | FAST | |
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* STATE | SELECTED |DESELECTED| PLAY | PAUSE | FORWARD | REWIND |
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* ---------+----------+----------+----------+----------+----------+----------+
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* STOPPED | STAGED | X | X | X | X | X |
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* STAGED | STAGED | STOPPED | PLAYING | X | X | X |
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* PLAYING | X | X | X | PAUSED |FFORWARD2 | REWIND2 |
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* PAUSED | STAGED | STOPPED | PLAYING | X |FFORWARD1 | REWIND1 |
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* FFORWARD1| X | X | PAUSED | X |FFORWARD1 | REWIND1 |
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* REWIND1 | X | X | PAUSED | X |FFORWARD1 | REWIND1 |
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* FFORWARD2| X | X | X | PLAYING | PLAYING | REWIND1 |
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* REWIND2 | X | X | X | PLAYING |FFORWARD1 | PLAYING |
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* ---------+----------+----------+----------+----------+----------+----------+
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*
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* Configuration Dependencies. States in the above state transition table may
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* not be supported if any of the following features are excluded from the
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* configuration:
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*
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* CONFIG_AUDIO_EXCLUDE_STOP
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* CONFIG_AUDIO_EXCLUDE_PAUSE_RESUME
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* CONFIG_AUDIO_EXCLUDE_VOLUME
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* CONFIG_AUDIO_EXCLUDE_FFORWARD
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* CONFIG_AUDIO_EXCLUDE_REWIND
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*/
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enum EMediaPlayerState
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{
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MPLAYER_STOPPED = 0, /**< No media file has been selected */
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MPLAYER_STAGED, /**< Media file selected, not playing */
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MPLAYER_PLAYING, /**< Playing a media file */
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MPLAYER_PAUSED, /**< Playing a media file but paused */
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MPLAYER_FFORWARD, /**< Fast forwarding through a media file */
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MPLAYER_FREWIND, /**< Rewinding a media file */
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};
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/**
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* Describes the state of an image touch. Some image touch cannot be
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* processed until the image contact is lost. This enumeration arms and
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* manages those cases.
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*/
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enum EPendingRelease
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{
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PENDING_NONE = 0, /**< Nothing is pending */
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PENDING_PLAY_RELEASE, /**< Expect play image to be released */
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PENDING_PAUSE_RELEASE /**< Expect pause image to be released */
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};
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/**
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* The structure defines a pending operation.
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*/
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struct SPendingOperation
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{
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int64_t value; /**< Accumulated value */
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uint8_t operation; /**< Identifies the operations */
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};
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/**
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* Media player state data.
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*/
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FAR struct nxplayer_s *m_player; /**< NxPlayer handle */
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enum EMediaPlayerState m_state; /**< Media player current state */
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enum EMediaPlayerState m_prevState; /**< Media player previous state */
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enum EPendingRelease m_pending; /**< Pending image release event */
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NXWidgets::CNxString m_filePath; /**< The full path to the selected file */
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int m_fileIndex; /**< Last selected text box selection */
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bool m_fileReady; /**< True: Ready to play */
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#ifndef CONFIG_AUDIO_EXCLUDE_VOLUME
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uint8_t m_level; /**< Current volume level, range 0-100 */
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#endif
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#if !defined(CONFIG_AUDIO_EXCLUDE_FFORWARD) || !defined(CONFIG_AUDIO_EXCLUDE_REWIND)
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uint8_t m_subSample; /**< Current FFFORWARD subsampling index */
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#endif
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/**
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* Media player geometry.
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*/
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struct nxgl_size_s m_windowSize; /**< The size of the media player window */
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/**
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* Cached constructor parameters.
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*/
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CTaskbar *m_taskbar; /**< Reference to the "parent" taskbar */
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CApplicationWindow *m_window; /**< Reference to the application window */
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/**
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* Widgets
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*/
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NXWidgets::CListBox *m_listbox; /**< List box containing media files selections */
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NXWidgets::CNxFont *m_font; /**< The font used in the media player */
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NXWidgets::CImage *m_play; /**< Play control */
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NXWidgets::CImage *m_pause; /**< Pause control */
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NXWidgets::CStickyImage *m_rewind; /**< Rewind control */
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NXWidgets::CStickyImage *m_fforward; /**< Fast forward control */
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NXWidgets::CGlyphSliderHorizontal *m_volume; /**< Volume control */
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#if !defined(CONFIG_AUDIO_EXCLUDE_FFORWARD) || !defined(CONFIG_AUDIO_EXCLUDE_REWIND)
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NXWidgets::CLabel *m_speed; /**< FForward/rewind speed */
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#endif
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/**
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* Bitmaps
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*
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* These are retained only so that they can be released when the media
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* is closed player
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*/
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NXWidgets::CRlePaletteBitmap *m_playBitmap; /**< Bitmap for the play control */
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NXWidgets::CRlePaletteBitmap *m_pauseBitmap; /**< Bitmap for the pause control */
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NXWidgets::CRlePaletteBitmap *m_rewindBitmap; /**< Bitmap for the rewind control */
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NXWidgets::CRlePaletteBitmap *m_fforwardBitmap; /**< Bitmap for the fast forward control */
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NXWidgets::CRlePaletteBitmap *m_volumeBitmap; /**< Volume control grip bitmap */
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/**
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* Get the full media file path and make ready for playing. Called
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* after a file has been selected from the list box.
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*/
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bool getMediaFile(const NXWidgets::CListBoxDataItem *item);
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/**
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* Get the full media file path and make ready for playing. Called
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* after a file has been selected from the list box.
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*/
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bool openMediaFile(const NXWidgets::CListBoxDataItem *item);
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/**
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* Stop playing the current file. Called when a new media file is selected,
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* when a media file is de-selected, or when destroying the media player
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* instance.
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*/
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void stopPlaying(void);
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/**
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* Select the geometry of the media player given the current window size.
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* Only called as part of construction.
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*/
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inline void setGeometry(void);
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/**
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* Load media files into the list box.
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*/
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inline bool showMediaFiles(FAR const char *mediaPath);
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#ifdef CONFIG_NXPLAYER_INCLUDE_PREFERRED_DEVICE
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/**
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* Set the preferred audio device for playback
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*/
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inline bool setDevice(FAR const char *devPath);
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#endif
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/**
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* Configure the NxPlayer.
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*/
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inline bool configureNxPlayer(void);
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/**
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* Create the Media Player controls. Only start as part of the application
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* start method.
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*/
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inline bool createPlayer(void);
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/**
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* Called when the window minimize image is pressed.
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*/
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void minimize(void);
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/**
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* Called when the window minimize close is pressed.
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*/
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void close(void);
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/**
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* Redraw all widgets. Called from redraw() and also on any state
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* change.
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*
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* @param state The new state to enter.
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*/
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void redrawWidgets(void);
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/**
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* Transition to a new media player state.
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*
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* @param state The new state to enter.
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*/
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void setMediaPlayerState(enum EMediaPlayerState state);
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#ifndef CONFIG_AUDIO_EXCLUDE_VOLUME
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/**
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* Set the new volume level based on the position of the volume slider.
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*/
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void setVolumeLevel(void);
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#endif
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/**
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* Check if a new file has been selected (or de-selected) in the list box
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*/
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inline void checkFileSelection(void);
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#if !defined(CONFIG_AUDIO_EXCLUDE_FFORWARD) || !defined(CONFIG_AUDIO_EXCLUDE_REWIND)
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/**
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* Update fast forward/rewind speed indicator. Called on each state
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* change and after each change in the speed of motion.
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*/
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void updateMotionIndicator(void);
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#endif
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/**
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* Handle a widget action event. For this application, that means image
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* pre-release events.
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*
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* @param e The event data.
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*/
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void handleActionEvent(const NXWidgets::CWidgetEventArgs &e);
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/**
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* Handle a widget release event. Only the play and pause image release
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* are of interest.
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*
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* @param e The event data.
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*/
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void handleReleaseEvent(const NXWidgets::CWidgetEventArgs &e);
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/**
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* Handle a widget release event when the widget WAS dragged outside of
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* its original bounding box. Only the play and pause image release
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* are of interest.
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*
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* @param e The event data.
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*/
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void handleReleaseOutsideEvent(const NXWidgets::CWidgetEventArgs &e);
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/**
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* Handle value changes. This will get events when there is a change in the
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* volume level or a file is selected or deselected.
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*
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* @param e The event data.
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*/
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void handleValueChangeEvent(const NXWidgets::CWidgetEventArgs &e);
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public:
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/**
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* CMediaPlayer constructor
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*
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* @param window. The application window
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*
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* @param taskbar. A pointer to the parent task bar instance
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* @param window. The window to be used by this application.
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*/
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CMediaPlayer(CTaskbar *taskbar, CApplicationWindow *window);
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/**
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* CMediaPlayer destructor
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*/
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~CMediaPlayer(void);
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/**
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* Each implementation of IApplication must provide a method to recover
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* the contained CApplicationWindow instance.
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*/
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IApplicationWindow *getWindow(void) const;
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/**
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* Get the icon associated with the application
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*
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* @return An instance if IBitmap that may be used to rend the
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* application's icon. This is an new IBitmap instance that must
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* be deleted by the caller when it is no long needed.
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*/
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NXWidgets::IBitmap *getIcon(void);
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/**
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* Get the name string associated with the application
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*
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* @return A copy if CNxString that contains the name of the application.
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*/
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NXWidgets::CNxString getName(void);
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/**
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* Start the application (perhaps in the minimized state).
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*
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* @return True if the application was successfully started.
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*/
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bool run(void);
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/**
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* Stop the application.
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*/
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void stop(void);
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/**
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* Destroy the application and free all of its resources. This method
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* will initiate blocking of messages from the NX server. The server
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* will flush the window message queue and reply with the blocked
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* message. When the block message is received by CWindowMessenger,
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* it will send the destroy message to the start window task which
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* will, finally, safely delete the application.
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*/
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void destroy(void);
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/**
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* The application window is hidden (either it is minimized or it is
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* maximized, but not at the top of the hierarchy
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*/
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void hide(void);
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/**
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* Redraw the entire window. The application has been maximized or
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* otherwise moved to the top of the hierarchy. This method is call from
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* CTaskbar when the application window must be displayed
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*/
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void redraw(void);
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/**
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* Report of this is a "normal" window or a full screen window. The
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* primary purpose of this method is so that window manager will know
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* whether or not it show draw the task bar.
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*
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* @return True if this is a full screen window.
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*/
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bool isFullScreen(void) const;
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};
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class CMediaPlayerFactory : public IApplicationFactory
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{
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private:
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CTaskbar *m_taskbar; /**< The taskbar */
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public:
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/**
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* CMediaPlayerFactory Constructor
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*
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* @param taskbar. The taskbar instance used to terminate calibration
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*/
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CMediaPlayerFactory(CTaskbar *taskbar);
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/**
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* CMediaPlayerFactory Destructor
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*/
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inline ~CMediaPlayerFactory(void) { }
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/**
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* Create a new instance of an CMediaPlayer (as IApplication).
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*/
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IApplication *create(void);
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/**
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* Get the icon associated with the application
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*
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* @return An instance if IBitmap that may be used to rend the
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* application's icon. This is an new IBitmap instance that must
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* be deleted by the caller when it is no long needed.
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*/
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NXWidgets::IBitmap *getIcon(void);
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};
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}
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#endif // __cplusplus
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#endif // __APPS_INCLUDE_GRAPHICS_NXWM_CMEDIAPLAYER_HXX
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