src/apps/mediaplayer/interface/DurationView.cpp

   1 /*
   2  * Copyright 2010, Stephan Aßmus <superstippi@gmx.de>.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include "DurationView.h"
   8
   9 #include <LayoutUtils.h>
  10
  11 #include "DurationToString.h"
  12
  13
  14 DurationView::DurationView(const char* name)
  15         :
  16         BStringView(name, ""),
  17         fMode(kTimeToFinish),
  18         fPosition(0),
  19         fDuration(0),
  20         fDisplayDuration(0)
  21 {
  22         SetSymbolScale(1.0f);
  23
  24         SetAlignment(B_ALIGN_RIGHT);
  25
  26         _Update();
  27 }
  28
  29
  30 void
  31 DurationView::AttachedToWindow()
  32 {
  33         BStringView::AttachedToWindow();
  34         _UpdateTextColor();
  35 }
  36
  37
  38 void
  39 DurationView::MouseDown(BPoint where)
  40 {
  41         // Switch through the modes
  42         uint32 mode = fMode + 1;
  43         if (mode == kLastMode)
  44                 mode = 0;
  45         SetMode(mode);
  46 }
  47
  48
  49 void
  50 DurationView::MessageReceived(BMessage* message)
  51 {
  52         if (message->what == B_COLORS_UPDATED
  53                 && message->HasColor(ui_color_name(B_PANEL_TEXT_COLOR)))
  54                         _UpdateTextColor();
  55
  56         BStringView::MessageReceived(message);
  57 }
  58
  59
  60 BSize
  61 DurationView::MinSize()
  62 {
  63         BSize size;
  64         char string[64];
  65         duration_to_string(int32(fDuration / -1000000LL), string, sizeof(string));
  66         size.width = StringWidth(string);
  67         font_height fontHeight;
  68         GetFontHeight(&fontHeight);
  69         size.height = ceilf(fontHeight.ascent) + ceilf(fontHeight.descent);
  70         return BLayoutUtils::ComposeSize(ExplicitMinSize(), size);
  71 }
  72
  73
  74 BSize
  75 DurationView::MaxSize()
  76 {
  77         return BLayoutUtils::ComposeSize(ExplicitMaxSize(), MinSize());
  78 }
  79
  80
  81 // #pragma mark -
  82
  83
  84 void
  85 DurationView::Update(bigtime_t position, bigtime_t duration)
  86 {
  87         if (position == fPosition && duration == fDuration)
  88                 return;
  89
  90         fPosition = position;
  91         if (fDuration != duration) {
  92                 fDuration = duration;
  93                 InvalidateLayout();
  94         }
  95         _Update();
  96 }
  97
  98
  99 void
 100 DurationView::SetMode(uint32 mode)
 101 {
 102         if (mode == fMode)
 103                 return;
 104
 105         fMode = mode;
 106         _Update();
 107 }
 108
 109
 110 void
 111 DurationView::SetSymbolScale(float scale)
 112 {
 113         if (scale != 1.0f) {
 114                 BFont font(be_bold_font);
 115                 font.SetSize(font.Size() * scale * 1.2);
 116                 SetFont(&font);
 117         } else
 118                 SetFont(be_plain_font);
 119
 120         InvalidateLayout();
 121 }
 122
 123
 124 void
 125 DurationView::_Update()
 126 {
 127         switch (fMode) {
 128                 case kTimeElapsed:
 129                         _GenerateString(fPosition);
 130                         break;
 131                 default:
 132                 case kTimeToFinish:
 133                         _GenerateString(fPosition - fDuration);
 134                         break;
 135                 case kDuration:
 136                         _GenerateString(fDuration);
 137                         break;
 138         }
 139 }
 140
 141
 142 void
 143 DurationView::_UpdateTextColor()
 144 {
 145         SetHighColor(mix_color(ViewColor(), ui_color(B_PANEL_TEXT_COLOR), 128));
 146 }
 147
 148
 149 void
 150 DurationView::_GenerateString(bigtime_t duration)
 151 {
 152         duration /= 1000000;
 153         if (fDisplayDuration == duration)
 154                 return;
 155
 156         fDisplayDuration = duration;
 157
 158         char string[64];
 159         duration_to_string(duration, string, sizeof(string));
 160
 161         SetText(string);
 162 }
 163