src/apps/mediaplayer/interface/PositionToolTip.cpp

   1 /*
   2  * Copyright 2009, Axel Dörfler, axeld@pinc-software.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include "PositionToolTip.h"
   8
   9 #include <stdio.h>
  10
  11 #include <StringView.h>
  12
  13 #include "DurationToString.h"
  14
  15
  16 class PositionToolTip::PositionView : public BStringView {
  17 public:
  18         PositionView()
  19                 :
  20                 BStringView("position", ""),
  21                 fPosition(0),
  22                 fDuration(0)
  23         {
  24         }
  25
  26         virtual ~PositionView()
  27         {
  28         }
  29
  30         virtual void AttachedToWindow()
  31         {
  32                 BStringView::AttachedToWindow();
  33                 AdoptParentColors();
  34                 Update(-1, -1);
  35         }
  36
  37         void Update(bigtime_t position, bigtime_t duration)
  38         {
  39                 if (!LockLooper())
  40                         return;
  41
  42                 if (position != -1) {
  43                         position /= 1000000L;
  44                         duration /= 1000000L;
  45                         if (position == fPosition && duration == fDuration) {
  46                                 UnlockLooper();
  47                                 return;
  48                         }
  49
  50                         fPosition = position;
  51                         fDuration = duration;
  52                 }
  53
  54                 char positionText[32];
  55                 duration_to_string(fPosition, positionText, sizeof(positionText));
  56
  57                 char durationText[32];
  58                 duration_to_string(fDuration, durationText, sizeof(durationText));
  59
  60                 char text[64];
  61                 snprintf(text, sizeof(text), "%s / %s", positionText, durationText);
  62                 SetText(text);
  63
  64                 UnlockLooper();
  65         }
  66
  67 private:
  68         time_t          fPosition;
  69         time_t          fDuration;
  70 };
  71
  72
  73 // #pragma mark -
  74
  75
  76 PositionToolTip::PositionToolTip()
  77 {
  78         fView = new PositionView();
  79 }
  80
  81
  82 PositionToolTip::~PositionToolTip()
  83 {
  84         delete fView;
  85 }
  86
  87
  88 BView*
  89 PositionToolTip::View() const
  90 {
  91         return fView;
  92 }
  93
  94
  95 void
  96 PositionToolTip::Update(bigtime_t position, bigtime_t duration)
  97 {
  98         fView->Update(position, duration);
  99 }