src/apps/installer/ProgressReporter.cpp

   1 /*
   2  * Copyright 2009-2010, Stephan Aßmus <superstippi@gmx.de>
   3  * All rights reserved. Distributed under the terms of the MIT License.
   4  */
   5
   6 #include "ProgressReporter.h"
   7
   8 #include <stdio.h>
   9
  10 #include <Catalog.h>
  11 #include <Locale.h>
  12
  13
  14 #undef B_TRANSLATION_CONTEXT
  15 #define B_TRANSLATION_CONTEXT "InstallProgress"
  16
  17
  18 ProgressReporter::ProgressReporter(const BMessenger& messenger,
  19                 BMessage* message)
  20         :
  21         fStartTime(0),
  22
  23         fBytesToWrite(0),
  24         fBytesWritten(0),
  25
  26         fItemsToWrite(0),
  27         fItemsWritten(0),
  28
  29         fMessenger(messenger),
  30         fMessage(message)
  31 {
  32 }
  33
  34
  35 ProgressReporter::~ProgressReporter()
  36 {
  37         delete fMessage;
  38 }
  39
  40
  41 void
  42 ProgressReporter::Reset()
  43 {
  44         fBytesToWrite = 0;
  45         fBytesWritten = 0;
  46
  47         fItemsToWrite = 0;
  48         fItemsWritten = 0;
  49
  50         if (fMessage) {
  51                 BMessage message(*fMessage);
  52                 message.AddString("status",
  53                         B_TRANSLATE("Collecting copy information."));
  54                 fMessenger.SendMessage(&message);
  55         }
  56 }
  57
  58
  59 void
  60 ProgressReporter::AddItems(uint64 count, off_t bytes)
  61 {
  62         fBytesToWrite += bytes;
  63         fItemsToWrite += count;
  64 }
  65
  66
  67 void
  68 ProgressReporter::StartTimer()
  69 {
  70         fStartTime = system_time();
  71
  72         printf("%" B_PRIdOFF " bytes to write in %" B_PRId64 " files\n",
  73                 fBytesToWrite, fItemsToWrite);
  74
  75         if (fMessage) {
  76                 BMessage message(*fMessage);
  77                 message.AddString("status", B_TRANSLATE("Performing installation."));
  78                 fMessenger.SendMessage(&message);
  79         }
  80 }
  81
  82
  83 void
  84 ProgressReporter::ItemsWritten(uint64 items, off_t bytes,
  85         const char* itemName, const char* targetFolder)
  86 {
  87         fItemsWritten += items;
  88         fBytesWritten += bytes;
  89
  90         _UpdateProgress(itemName, targetFolder);
  91 }
  92
  93
  94 void
  95 ProgressReporter::_UpdateProgress(const char* itemName,
  96         const char* targetFolder)
  97 {
  98         if (fMessage == NULL)
  99                 return;
 100
 101         // TODO: Could add time to finish calculation here...
 102
 103         BMessage message(*fMessage);
 104         float progress = 100.0 * fBytesWritten / fBytesToWrite;
 105         message.AddFloat("progress", progress);
 106         message.AddInt32("current", fItemsWritten);
 107         message.AddInt32("maximum", fItemsToWrite);
 108         message.AddString("item", itemName);
 109         message.AddString("folder", targetFolder);
 110         fMessenger.SendMessage(&message);
 111 }