avmedia/source/framework/mediacontrol.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <mediacontrol.hxx>
  21 #include <strings.hrc>
  22 #include <mediamisc.hxx>
  23 #include <avmedia/mediawindow.hxx>
  24 #include <helpids.h>
  25 #include <vcl/weld.hxx>
  26 #include <avmedia/MediaControlBase.hxx>
  27
  28 namespace avmedia
  29 {
  30
  31 MediaControl::MediaControl( vcl::Window* pParent, MediaControlStyle eControlStyle ) :
  32     // MediaControlStyle::MultiLine is the normal docking windows of tools->media player
  33     // MediaControlStyle::SingleLine is the toolbar of view->toolbar->media playback
  34     InterimItemWindow(pParent, eControlStyle == MediaControlStyle::MultiLine ?
  35                                    u"svx/ui/mediawindow.ui"_ustr :
  36                                    u"svx/ui/medialine.ui"_ustr,
  37                                u"MediaWindow"_ustr),
  38     maIdle( "avmedia MediaControl Idle" ),
  39     maChangeTimeIdle( "avmedia MediaControl Change Time Idle" ),
  40     maItem( 0, AVMediaSetMask::ALL ),
  41     mbLocked( false ),
  42     meControlStyle( eControlStyle )
  43 {
  44     mxPlayToolBox = m_xBuilder->weld_toolbar(u"playtoolbox"_ustr);
  45     mxTimeSlider = m_xBuilder->weld_scale(u"timeslider"_ustr);
  46     mxMuteToolBox = m_xBuilder->weld_toolbar(u"mutetoolbox"_ustr);
  47     mxVolumeSlider = m_xBuilder->weld_scale(u"volumeslider"_ustr);
  48     mxZoomListBox = m_xBuilder->weld_combo_box(u"zoombox"_ustr);
  49     mxTimeEdit = m_xBuilder->weld_entry(u"timeedit"_ustr);
  50     mxMediaPath = m_xBuilder->weld_label(u"url"_ustr);
  51
  52     InitializeWidgets();
  53
  54     mxPlayToolBox->connect_clicked( LINK( this, MediaControl, implSelectHdl ) );
  55
  56     mxTimeSlider->connect_value_changed( LINK( this, MediaControl, implTimeHdl ) );
  57     // when changing the time, use this to do the time change after active scrolling
  58     // has stopped for a little which
  59     maChangeTimeIdle.SetPriority( TaskPriority::LOWEST );
  60     maChangeTimeIdle.SetInvokeHandler( LINK( this, MediaControl, implTimeEndHdl ) );
  61
  62     mxTimeEdit->set_text(u" 00:00:00/00:00:00 "_ustr);
  63     Size aTextSize = mxTimeEdit->get_preferred_size();
  64     mxTimeEdit->set_size_request(aTextSize.Width(), aTextSize.Height());
  65     mxTimeEdit->set_text(OUString());
  66
  67     mxMuteToolBox->connect_clicked( LINK( this, MediaControl, implSelectHdl ) );
  68     mxVolumeSlider->connect_value_changed( LINK( this, MediaControl, implVolumeHdl ) );
  69
  70     mxZoomListBox->connect_changed( LINK( this, MediaControl, implZoomSelectHdl ) );
  71     mxZoomListBox->set_help_id(HID_AVMEDIA_ZOOMLISTBOX);
  72
  73     const OUString aMediaPath( AvmResId( AVMEDIA_MEDIA_PATH_DEFAULT ) );
  74     mxMediaPath->set_label(aMediaPath);
  75     if (meControlStyle == MediaControlStyle::SingleLine)
  76         mxMediaPath->set_size_request(mxMediaPath->get_preferred_size().Width() + 400, -1); // maybe extend the no. 400 to span the screen width
  77
  78     // we want time field + progress slider to update as the media plays
  79     // give this task a lower prio than REPAINT so that UI updates are not starved
  80     maIdle.SetPriority( TaskPriority::POST_PAINT );
  81     maIdle.SetInvokeHandler( LINK( this, MediaControl, implTimeoutHdl ) );
  82 }
  83
  84 void MediaControl::InitializeWidgets()
  85 {
  86     if( meControlStyle != MediaControlStyle::SingleLine )
  87     {
  88         mxPlayToolBox->set_item_help_id(u"open"_ustr, HID_AVMEDIA_TOOLBOXITEM_OPEN);
  89         mxPlayToolBox->set_item_help_id(u"apply"_ustr, HID_AVMEDIA_TOOLBOXITEM_INSERT);
  90     }
  91     avmedia::MediaControlBase::InitializeWidgets();
  92 }
  93
  94 MediaControl::~MediaControl()
  95 {
  96     disposeOnce();
  97 }
  98
  99 void MediaControl::dispose()
 100 {
 101     disposeWidgets();
 102     mxMediaPath.reset();
 103     InterimItemWindow::dispose();
 104 }
 105
 106 void MediaControl::UpdateURLField(MediaItem const & tempItem)
 107 {
 108     const OUString aURL( AvmResId(AVMEDIA_MEDIA_PATH) + ":  " + tempItem.getURL() ) ;
 109     mxMediaPath->set_label(aURL);
 110 }
 111
 112 void MediaControl::setState( const MediaItem& rItem )
 113 {
 114     if (mbLocked)
 115         return;
 116     bool bChanged = maItem.merge(rItem);
 117     if (bChanged)
 118     {
 119         if( rItem.getURL().isEmpty() && meControlStyle == MediaControlStyle::SingleLine )
 120             mxPlayToolBox->set_sensitive(false);
 121         UpdateToolBoxes( maItem );
 122         UpdateTimeSlider( maItem );
 123         UpdateVolumeSlider( maItem );
 124         UpdateTimeField( maItem, maItem.getTime() );
 125         UpdateURLField(maItem);
 126     }
 127 }
 128
 129 IMPL_LINK( MediaControl, implTimeHdl, weld::Scale&, rSlider, void )
 130 {
 131     mbLocked = true;
 132     maIdle.Stop();
 133     UpdateTimeField(maItem, rSlider.get_value() * maItem.getDuration() / AVMEDIA_TIME_RANGE);
 134     maChangeTimeIdle.Start();
 135 }
 136
 137 IMPL_LINK_NOARG(MediaControl, implTimeEndHdl, Timer*, void)
 138 {
 139     MediaItem aExecItem;
 140
 141     aExecItem.setTime( mxTimeSlider->get_value() * maItem.getDuration() / AVMEDIA_TIME_RANGE );
 142     // keep state (if the media was playing, keep it playing)
 143     aExecItem.setState(maItem.getState());
 144     execute( aExecItem );
 145     update();
 146     maIdle.Start();
 147     mbLocked = false;
 148 }
 149
 150 IMPL_LINK( MediaControl, implVolumeHdl, weld::Scale&, rSlider, void )
 151 {
 152     MediaItem aExecItem;
 153
 154     aExecItem.setVolumeDB(rSlider.get_value());
 155     execute( aExecItem );
 156     update();
 157 }
 158
 159 IMPL_LINK( MediaControl, implSelectHdl, const OUString&, rIdent, void )
 160 {
 161     MediaItem aExecItem;
 162     if (rIdent == "open")
 163     {
 164         OUString aURL;
 165         if (MediaWindow::executeMediaURLDialog(GetFrameWeld(), aURL, nullptr))
 166         {
 167             if( !MediaWindow::isMediaURL( aURL, u""_ustr/*TODO?*/, true ) )
 168                 MediaWindow::executeFormatErrorBox(GetFrameWeld());
 169             else
 170             {
 171                 aExecItem.setURL( aURL, u""_ustr, u""_ustr/*TODO?*/ );
 172                 aExecItem.setState( MediaState::Play );
 173             }
 174         }
 175     }
 176     else
 177         SelectPlayToolBoxItem( aExecItem, maItem, rIdent );
 178
 179     if (aExecItem.getState() == MediaState::Play)
 180         maIdle.Start();
 181     else if (aExecItem.getState() == MediaState::Pause ||
 182              aExecItem.getState() == MediaState::Stop)
 183         maIdle.Stop();
 184
 185     if( aExecItem.getMaskSet() != AVMediaSetMask::NONE )
 186         execute( aExecItem );
 187
 188     update();
 189 }
 190
 191 IMPL_LINK( MediaControl, implZoomSelectHdl, weld::ComboBox&, rBox, void )
 192 {
 193     bool bCurrentlySettingZoom = mbCurrentlySettingZoom;
 194     mbCurrentlySettingZoom = true;
 195
 196     MediaItem aExecItem;
 197     css::media::ZoomLevel eLevel;
 198
 199     switch (rBox.get_active())
 200     {
 201         case AVMEDIA_ZOOMLEVEL_50: eLevel = css::media::ZoomLevel_ZOOM_1_TO_2; break;
 202         case AVMEDIA_ZOOMLEVEL_100: eLevel = css::media::ZoomLevel_ORIGINAL; break;
 203         case AVMEDIA_ZOOMLEVEL_200: eLevel = css::media::ZoomLevel_ZOOM_2_TO_1; break;
 204         case AVMEDIA_ZOOMLEVEL_FIT: eLevel = css::media::ZoomLevel_FIT_TO_WINDOW_FIXED_ASPECT; break;
 205         case AVMEDIA_ZOOMLEVEL_SCALED: eLevel = css::media::ZoomLevel_FIT_TO_WINDOW; break;
 206
 207         default: eLevel = css::media::ZoomLevel_NOT_AVAILABLE; break;
 208     }
 209
 210     aExecItem.setZoom( eLevel );
 211     execute( aExecItem );
 212     update();
 213
 214     mbCurrentlySettingZoom = bCurrentlySettingZoom;
 215 }
 216
 217 IMPL_LINK_NOARG(MediaControl, implTimeoutHdl, Timer *, void)
 218 {
 219     update();
 220     maIdle.Start();
 221 }
 222
 223 } // namespace avmedia
 224
 225 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */