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      1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/download/download_item_model.h"
      6 
      7 #include "base/i18n/number_formatting.h"
      8 #include "base/i18n/rtl.h"
      9 #include "base/string16.h"
     10 #include "base/utf_string_conversions.h"
     11 #include "chrome/browser/download/download_item.h"
     12 #include "chrome/browser/download/save_package.h"
     13 #include "chrome/common/time_format.h"
     14 #include "grit/generated_resources.h"
     15 #include "ui/base/l10n/l10n_util.h"
     16 
     17 using base::TimeDelta;
     18 
     19 // -----------------------------------------------------------------------------
     20 // DownloadItemModel
     21 
     22 DownloadItemModel::DownloadItemModel(DownloadItem* download)
     23     : BaseDownloadItemModel(download) {
     24 }
     25 
     26 void DownloadItemModel::CancelTask() {
     27   download_->Cancel(true /* update history service */);
     28 }
     29 
     30 string16 DownloadItemModel::GetStatusText() {
     31   int64 size = download_->received_bytes();
     32   int64 total = download_->total_bytes();
     33 
     34   DataUnits amount_units = GetByteDisplayUnits(total);
     35   const string16 simple_size = FormatBytes(size, amount_units, false);
     36 
     37   // In RTL locales, we render the text "size/total" in an RTL context. This
     38   // is problematic since a string such as "123/456 MB" is displayed
     39   // as "MB 123/456" because it ends with an LTR run. In order to solve this,
     40   // we mark the total string as an LTR string if the UI layout is
     41   // right-to-left so that the string "456 MB" is treated as an LTR run.
     42   string16 simple_total = base::i18n::GetDisplayStringInLTRDirectionality(
     43       FormatBytes(total, amount_units, true));
     44 
     45   TimeDelta remaining;
     46   string16 simple_time;
     47   if (download_->IsInProgress() && download_->is_paused()) {
     48     simple_time = l10n_util::GetStringUTF16(IDS_DOWNLOAD_PROGRESS_PAUSED);
     49   } else if (download_->TimeRemaining(&remaining)) {
     50     simple_time = download_->open_when_complete() ?
     51                       TimeFormat::TimeRemainingShort(remaining) :
     52                       TimeFormat::TimeRemaining(remaining);
     53   }
     54 
     55   string16 status_text;
     56   switch (download_->state()) {
     57     case DownloadItem::IN_PROGRESS:
     58       if (download_->open_when_complete()) {
     59         if (simple_time.empty()) {
     60           status_text =
     61               l10n_util::GetStringUTF16(IDS_DOWNLOAD_STATUS_OPEN_WHEN_COMPLETE);
     62         } else {
     63           status_text = l10n_util::GetStringFUTF16(IDS_DOWNLOAD_STATUS_OPEN_IN,
     64                                                    simple_time);
     65         }
     66       } else {
     67         if (simple_time.empty()) {
     68           // Instead of displaying "0 B" we keep the "Starting..." string.
     69           status_text = (size == 0) ?
     70               l10n_util::GetStringUTF16(IDS_DOWNLOAD_STATUS_STARTING) :
     71               FormatBytes(size, GetByteDisplayUnits(size), true);
     72         } else {
     73           status_text = l10n_util::GetStringFUTF16(
     74               IDS_DOWNLOAD_STATUS_IN_PROGRESS, simple_size, simple_total,
     75               simple_time);
     76         }
     77       }
     78       break;
     79     case DownloadItem::COMPLETE:
     80       status_text.clear();
     81       break;
     82     case DownloadItem::CANCELLED:
     83       status_text = l10n_util::GetStringUTF16(IDS_DOWNLOAD_STATUS_CANCELED);
     84       break;
     85     case DownloadItem::REMOVING:
     86       break;
     87     case DownloadItem::INTERRUPTED:
     88       status_text = l10n_util::GetStringFUTF16(IDS_DOWNLOAD_STATUS_INTERRUPTED,
     89                                                simple_size,
     90                                                simple_total);
     91       break;
     92     default:
     93       NOTREACHED();
     94   }
     95 
     96   return status_text;
     97 }
     98 
     99 // -----------------------------------------------------------------------------
    100 // SavePageModel
    101 
    102 SavePageModel::SavePageModel(SavePackage* save, DownloadItem* download)
    103     : BaseDownloadItemModel(download),
    104       save_(save) {
    105 }
    106 
    107 void SavePageModel::CancelTask() {
    108   save_->Cancel(true);
    109 }
    110 
    111 string16 SavePageModel::GetStatusText() {
    112   int64 size = download_->received_bytes();
    113   int64 total_size = download_->total_bytes();
    114 
    115   string16 status_text;
    116   switch (download_->state()) {
    117     case DownloadItem::IN_PROGRESS:
    118       status_text = l10n_util::GetStringFUTF16(
    119           IDS_SAVE_PAGE_PROGRESS,
    120           base::FormatNumber(size),
    121           base::FormatNumber(total_size));
    122       break;
    123     case DownloadItem::COMPLETE:
    124       status_text = l10n_util::GetStringUTF16(IDS_SAVE_PAGE_STATUS_COMPLETED);
    125       break;
    126     case DownloadItem::CANCELLED:
    127       status_text = l10n_util::GetStringUTF16(IDS_SAVE_PAGE_STATUS_CANCELED);
    128       break;
    129     case DownloadItem::REMOVING:
    130       break;
    131     case DownloadItem::INTERRUPTED:
    132       status_text = l10n_util::GetStringFUTF16(
    133           IDS_SAVE_PAGE_STATUS_INTERRUPTED,
    134           base::FormatNumber(size),
    135           base::FormatNumber(total_size));
    136       break;
    137     default:
    138       NOTREACHED();
    139   }
    140 
    141   return status_text;
    142 }
    143