modules/gui/skins2/src/vout_manager.hpp

   1 /*****************************************************************************
   2  * vout_manager.hpp
   3  *****************************************************************************
   4  * Copyright (C) 2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Erwan Tulou < brezhoneg1 at yahoo.fr r>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifndef VOUTMANAGER_HPP
  25 #define VOUTMANAGER_HPP
  26
  27 #include <vector>
  28
  29 #include <vlc_vout.h>
  30 #include <vlc_vout_window.h>
  31 #include <vlc_keys.h>
  32 #include "../utils/position.hpp"
  33 #include "../commands/cmd_generic.hpp"
  34 #include "../controls/ctrl_video.hpp"
  35 #include "../events/evt_key.hpp"
  36 #include "../events/evt_scroll.hpp"
  37 #include "../src/fsc_window.hpp"
  38
  39 class VarBool;
  40 class GenericWindow;
  41 class FscWindow;
  42
  43 #include <stdio.h>
  44
  45 class SavedWnd
  46 {
  47 public:
  48     SavedWnd( vout_window_t* pWnd, VoutWindow* pVoutWindow = NULL,
  49                CtrlVideo* pCtrlVideo = NULL, int height = -1, int width = -1 )
  50             : pWnd( pWnd ), pVoutWindow( pVoutWindow ),
  51               pCtrlVideo( pCtrlVideo ), height( height ), width( width ) { }
  52     ~SavedWnd() { }
  53
  54     vout_window_t* pWnd;
  55     VoutWindow *pVoutWindow;
  56     CtrlVideo *pCtrlVideo;
  57     int height;
  58     int width;
  59 };
  60
  61 class VoutMainWindow: public GenericWindow
  62 {
  63 public:
  64
  65     VoutMainWindow( intf_thread_t *pIntf, int left = 0, int top = 0 ) :
  66             GenericWindow( pIntf, left, top, false, false, NULL,
  67                            GenericWindow::FullscreenWindow )
  68     {
  69         resize( 10, 10 );
  70         move( -50, -50 );
  71     }
  72     virtual ~VoutMainWindow() { }
  73
  74 #if defined( _WIN32 ) || defined( __OS2__ )
  75
  76     virtual void processEvent( EvtKey &rEvtKey )
  77     {
  78         // Only do the action when the key is down
  79         if( rEvtKey.getKeyState() == EvtKey::kDown )
  80             getIntf()->p_sys->p_dialogs->sendKey( rEvtKey.getModKey() );
  81     }
  82
  83     virtual void processEvent( EvtScroll &rEvtScroll )
  84     {
  85         // scroll events sent to core as hotkeys
  86         int i_vlck = 0;
  87         i_vlck |= rEvtScroll.getMod();
  88         i_vlck |= ( rEvtScroll.getDirection() == EvtScroll::kUp ) ?
  89                   KEY_MOUSEWHEELUP : KEY_MOUSEWHEELDOWN;
  90
  91         getIntf()->p_sys->p_dialogs->sendKey( i_vlck );
  92     }
  93
  94 #endif
  95 };
  96
  97
  98 /// Singleton object handling VLC internal state and playlist
  99 class VoutManager: public SkinObject, public Observer<VarBool>
 100 {
 101 public:
 102     /// Get the instance of VoutManager
 103     /// Returns NULL if the initialization of the object failed
 104     static VoutManager *instance( intf_thread_t *pIntf );
 105
 106     /// Delete the instance of VoutManager
 107     static void destroy( intf_thread_t *pIntf );
 108
 109     /// accept window request (vout window provider)
 110     void acceptWnd( vout_window_t *pWnd, int width, int height );
 111
 112     // release window (vout window provider)
 113     void releaseWnd( vout_window_t *pWnd );
 114
 115     /// set window size (vout window provider)
 116     void setSizeWnd( vout_window_t* pWnd, int width, int height );
 117
 118     /// set fullscreen mode (vout window provider)
 119     void setFullscreenWnd( vout_window_t* pWnd, bool b_fullscreen );
 120
 121     // Register Video Controls (when building theme)
 122     void registerCtrlVideo( CtrlVideo* p_CtrlVideo );
 123
 124     // Register Video Controls (when building theme)
 125     void registerFSC( FscWindow* p_Win );
 126
 127     // get the fullscreen controller window
 128     FscWindow* getFscWindow( ) { return m_pFscWindow; }
 129
 130     // save and restore vouts (when changing theme)
 131     void saveVoutConfig( );
 132     void restoreVoutConfig( bool b_success );
 133
 134     // save and restore vouts (when swapping Layout)
 135     void discardVout( CtrlVideo* pCtrlVideo );
 136     void requestVout( CtrlVideo* pCtrlVideo );
 137
 138     // get a useable video Control
 139     CtrlVideo* getBestCtrlVideo( );
 140
 141     // get the VoutMainWindow
 142     VoutMainWindow* getVoutMainWindow() { return m_pVoutMainWindow; }
 143
 144     // test if vout are running
 145     bool hasVout() { return ( m_SavedWndVec.size() != 0 ) ; }
 146
 147     /// called when fullscreen variable changed
 148     virtual void onUpdate( Subject<VarBool> &rVariable , void* );
 149
 150     /// reconfigure fullscreen (multiple screens)
 151     virtual void configureFullscreen( VoutWindow& rWindow );
 152
 153 protected:
 154     // Protected because it is a singleton
 155     VoutManager( intf_thread_t *pIntf );
 156     virtual ~VoutManager();
 157
 158 private:
 159
 160     vector<CtrlVideo *> m_pCtrlVideoVec;
 161     vector<CtrlVideo *> m_pCtrlVideoVecBackup;
 162     vector<SavedWnd> m_SavedWndVec;
 163
 164     VoutMainWindow* m_pVoutMainWindow;
 165
 166     FscWindow* m_pFscWindow;
 167 };
 168
 169
 170 #endif