Logo Search packages:      
Sourcecode: transmission version File versions  Download package

TRTransfer.cpp

// $Id: TRTransfer.cpp 261 2006-05-29 21:27:31Z titer $

#include "TRTransfer.h"

#include <Font.h>

#include <malloc.h>
#include <stdio.h>

/**
 * BListItem that renders Transfer status.
 */
TRTransfer::TRTransfer(const char *fullpath, node_ref node) : BListItem(0, false), cachedNodeRef(node) {
      fBaselineOffset = 0.0f;
      fLineSpacing = 0.0f;
      
      cachedPath = new BString(fullpath);
      fStatusLock = new BLocker("Status Locker", true);
      
      fStatus = (tr_stat_t*)calloc(1, sizeof(tr_stat_t));
      
      fBarColor.red = 50;
      fBarColor.green = 150;
      fBarColor.blue = 255;
      fBarColor.alpha = 255;
      
      fTimeStr = (char*)calloc(78, sizeof(char));
      fTransStr = (char*)calloc(78, sizeof(char));
}


TRTransfer::~TRTransfer() {
      if (fStatusLock->Lock()) {
            free(fStatus);
            fStatusLock->Unlock();
            delete fStatusLock;
      }
      delete cachedPath;
}


void TRTransfer::Update(BView *owner, const BFont *font) {
      BListItem::Update(owner, font);
      SetHeight(BListItem::Height() * 4);
      
      font_height height;
      font->GetHeight(&height);
      
      fBaselineOffset = height.leading + height.ascent;
      fLineSpacing = height.descent;
}


/**
 * Sets the transfer information to render.
 * Returns a bool signaling the view is dirty after the update.
 * 
 * The view is determined to be dirty if the transfer
 * status, progress, eta or the "shade" (even or odd) 
 * position in the list changes from the previous state.
 * If the tr_stat_t is in fact different then the new, full
 * status is memcpy'd overtop the existing code.
 * 
 * This is a thread-safe function, as all writing to the 
 * local fStatus requires a successful Lock on fStatusLock.
 */
bool TRTransfer::SetStatus(tr_stat_t *stat, bool shade) {
      bool dirty = false;
      if (fStatusLock->Lock()) {
            if (fStatus->status != stat->status ||
                fStatus->progress != stat->progress ||
                fStatus->eta != stat->eta ||
                fShade != shade)
            {
                  memcpy(fStatus, stat, sizeof(tr_stat_t));
                  dirty = true;
            }
            fStatusLock->Unlock();
            fShade = shade;
      }
      return dirty;
}


/**
 * Renders (Draws) the current status into the BListView.
 */
void TRTransfer::DrawItem(BView *owner, BRect frame, bool complete) {
      rgb_color col;
      col.red = 255;
      col.green = 255;
      col.blue = 255;
      
      owner->PushState();
      
      // Draw the background...
      if (IsSelected()) {
            owner->SetLowColor(tint_color(col, B_DARKEN_2_TINT));
      } else if (fShade) {
            owner->SetLowColor(tint_color(tint_color(col, B_DARKEN_1_TINT), B_LIGHTEN_2_TINT));
      } else {
            owner->SetLowColor(col);
      }
      owner->FillRect(frame, B_SOLID_LOW);
      
      // Draw the informational text...
      owner->SetHighColor(ui_color(B_MENU_ITEM_TEXT_COLOR));
      BPoint textLoc = frame.LeftTop();
      textLoc.y += (fBaselineOffset / 2);
      textLoc += BPoint(2, fBaselineOffset);
      
      if (fStatus != NULL && fStatusLock->Lock()) {
            owner->DrawString(fStatus->info.name, textLoc);
            
            if (fStatus->status & TR_STATUS_PAUSE ) {
                  sprintf(fTimeStr, "Paused (%.2f %%)", 100 * fStatus->progress);
            } else if (fStatus->status & TR_STATUS_CHECK ) {
                  sprintf(fTimeStr, "Checking Existing Files (%.2f %%)",
                          100 * fStatus->progress);
            } else if (fStatus->status & TR_STATUS_DOWNLOAD) {
                  if (fStatus->eta < 0 ) {
                        sprintf(fTimeStr, "--:--:-- Remaining (%.2f %%Complete)",
                                100 * fStatus->progress);
                  } else {
                        sprintf(fTimeStr, "%02d:%02d:%02d Remaining (%.2f %%Complete)",
                                fStatus->eta / 3600, (fStatus->eta / 60) % 60,
                                fStatus->eta % 60, 100 * fStatus->progress);
                  }
            } else if (fStatus->status & TR_STATUS_SEED) {
                  sprintf(fTimeStr, "Seeding");
            } else if (fStatus->status & TR_STATUS_STOPPING) {
                  sprintf(fTimeStr, "Stopping...");
            } else {
                  fTimeStr[0] = '\0';
            }
            
            textLoc.x = frame.Width() - owner->StringWidth(fTimeStr) - 2;
            owner->DrawString(fTimeStr, textLoc);
            
            if (fStatus->status & (TR_STATUS_DOWNLOAD | TR_STATUS_SEED | TR_STATUS_CHECK )) {
                  // Move to the left of the bottom line.
                  textLoc.Set(frame.left + 2, 
                              frame.top + fBaselineOffset * 3 + (2 * fLineSpacing) + (fBaselineOffset / 2));
                  sprintf(fTransStr, "DL: %.2f KB/s (from %i of %i peer%s)",
                          fStatus->rateDownload, fStatus->peersUploading, fStatus->peersTotal,
                          (fStatus->peersTotal == 1) ? "" : "s");
                  owner->DrawString(fTransStr, textLoc);
                  
                  sprintf(fTransStr, "UL: %.2f KB/s", fStatus->rateUpload);
                  textLoc.x = frame.Width() - owner->StringWidth(fTransStr) - 2;
                  owner->DrawString(fTransStr, textLoc);
            }
            
            /*
             * Progress Bar - Mercilessly ripped from the Haiku source code, and
             * modified to handle selection tinting, and list item position shading.
             */
            // Custom setup (Transmission Added)
            BRect rect(frame.left + 2, frame.top + fBaselineOffset + fLineSpacing + (fBaselineOffset / 2),
                       frame.Width() - 2, frame.top + fBaselineOffset * 2 + fLineSpacing + (fBaselineOffset / 2));
            
            // First bevel
            owner->SetHighColor(tint_color(ui_color ( B_PANEL_BACKGROUND_COLOR ), B_DARKEN_1_TINT));
            if (IsSelected()) {
                  owner->SetHighColor(tint_color(owner->HighColor(), B_DARKEN_1_TINT));
            }
            owner->StrokeLine(BPoint(rect.left, rect.bottom), BPoint(rect.left, rect.top));
            owner->StrokeLine(BPoint(rect.right, rect.top));
      
            owner->SetHighColor(tint_color(ui_color(B_PANEL_BACKGROUND_COLOR), B_LIGHTEN_2_TINT));
            if (IsSelected()) {
                  owner->SetHighColor(tint_color(owner->HighColor(), B_DARKEN_1_TINT));
            }
            owner->StrokeLine(BPoint(rect.left + 1.0f, rect.bottom), BPoint(rect.right, rect.bottom));
            owner->StrokeLine(BPoint(rect.right, rect.top + 1.0f));
      
            rect.InsetBy(1.0f, 1.0f);
            
            // Second bevel
            owner->SetHighColor(tint_color(ui_color ( B_PANEL_BACKGROUND_COLOR ), B_DARKEN_4_TINT));
            if (IsSelected()) {
                  owner->SetHighColor(tint_color(owner->HighColor(), B_DARKEN_1_TINT));
            }
            owner->StrokeLine(BPoint(rect.left, rect.bottom), BPoint(rect.left, rect.top));
            owner->StrokeLine(BPoint(rect.right, rect.top));
      
            owner->SetHighColor(ui_color(B_PANEL_BACKGROUND_COLOR));
            if (IsSelected()) {
                  owner->SetHighColor(tint_color(owner->HighColor(), B_DARKEN_1_TINT));
            }
            owner->StrokeLine(BPoint(rect.left + 1.0f, rect.bottom), BPoint(rect.right, rect.bottom));
            owner->StrokeLine(BPoint(rect.right, rect.top + 1.0f));
      
            rect.InsetBy(1.0f, 1.0f);
      
            // Filling
            owner->SetHighColor(tint_color(ui_color(B_PANEL_BACKGROUND_COLOR), B_LIGHTEN_MAX_TINT));
            if (IsSelected()) {
                  owner->SetHighColor(tint_color(owner->HighColor(), B_DARKEN_1_TINT));
            }
            owner->FillRect(rect);
      
            if (fStatus->progress != 0.0f) {
                  rect.right = rect.left + (float)ceil(fStatus->progress * (rect.Width() - 4)),
      
                  // Bevel
                  owner->SetHighColor(tint_color(fBarColor, B_LIGHTEN_2_TINT));
                  if (IsSelected()) {
                        owner->SetHighColor(tint_color(owner->HighColor(), B_DARKEN_1_TINT));
                  }
                  owner->StrokeLine(BPoint(rect.left, rect.bottom), BPoint(rect.left, rect.top));
                  owner->StrokeLine(BPoint(rect.right, rect.top));
      
                  owner->SetHighColor(tint_color(fBarColor, B_DARKEN_2_TINT));
                  if (IsSelected()) {
                        owner->SetHighColor(tint_color(owner->HighColor(), B_DARKEN_1_TINT));
                  }
                  owner->StrokeLine(BPoint(rect.left, rect.bottom), BPoint(rect.right, rect.bottom));
                  owner->StrokeLine(BPoint(rect.right, rect.top));
      
                  rect.InsetBy(1.0f, 1.0f);
      
                  // Filling
                  owner->SetHighColor(fBarColor);
                  if (IsSelected()) {
                        owner->SetHighColor(tint_color(owner->HighColor(), B_DARKEN_1_TINT));
                  }
                  owner->FillRect(rect);
            }
            
            fStatusLock->Unlock();
      } else {
            owner->DrawString("loading...", textLoc);
      }
      
      owner->PopState();
}

Generated by  Doxygen 1.6.0   Back to index