Split DownloadItem into an ABC, an Impl, and a Mock.

chrome/browser/ui/gtk/download/download_item_gtk.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/gtk/download/download_item_gtk.h"
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/metrics/histogram.h"
 #include "base/string_util.h"
@@ skipping 275 matching lines @@
 
   // Make sure this widget has been destroyed and the pointer we hold to it
   // NULLed.
   DCHECK(!status_label_);
 }
 
 void DownloadItemGtk::OnDownloadUpdated(DownloadItem* download) {
   DCHECK_EQ(download, get_download());
 
   if (dangerous_prompt_ != NULL &&
-      download->safety_state() == DownloadItem::DANGEROUS_BUT_VALIDATED) {
+      download->GetSafetyState() == DownloadItem::DANGEROUS_BUT_VALIDATED) {
     // We have been approved.
     gtk_widget_set_no_show_all(body_.get(), FALSE);
     gtk_widget_set_no_show_all(menu_button_, FALSE);
     gtk_widget_show_all(hbox_.get());
     gtk_widget_destroy(dangerous_prompt_);
     gtk_widget_set_size_request(body_.get(), kBodyWidth, -1);
     dangerous_prompt_ = NULL;
 
     // We may free some shelf space for showing more download items.
     parent_shelf_->MaybeShowMoreDownloadItems();
   }
 
   if (download->GetUserVerifiedFilePath() != icon_filepath_) {
     // Turns out the file path is "Unconfirmed %d.crdownload" for dangerous
     // downloads. When the download is confirmed, the file is renamed on
     // another thread, so reload the icon if the download filename changes.
     LoadIcon();
 
     UpdateTooltip();
   }
 
-  switch (download->state()) {
+  switch (download->GetState()) {
     case DownloadItem::REMOVING:
       parent_shelf_->RemoveDownloadItem(this);  // This will delete us!
       return;
     case DownloadItem::CANCELLED:
       StopDownloadProgress();
       gtk_widget_queue_draw(progress_area_.get());
       break;
     case DownloadItem::INTERRUPTED:
       StopDownloadProgress();
 
       complete_animation_.Show();
       break;
     case DownloadItem::COMPLETE:
-      // auto_opened() may change after the download's initial transition to
+      // GetAutoOpened() may change after the download's initial transition to
       // COMPLETE, so we check it before the idemopotency shield below.
-      if (download->auto_opened()) {
+      if (download->GetAutoOpened()) {
         parent_shelf_->RemoveDownloadItem(this);  // This will delete us!
         return;
       }
 
       // We've already handled the completion specific actions; skip
       // doing the non-idempotent ones again.
       if (download_complete_)
         break;
 
       StopDownloadProgress();
 
       // Set up the widget as a drag source.
       DownloadItemDrag::SetSource(body_.get(), get_download(), icon_large_);
 
       complete_animation_.Show();
       download_complete_ = true;
       break;
     case DownloadItem::IN_PROGRESS:
-      get_download()->is_paused() ?
+      get_download()->IsPaused() ?
           StopDownloadProgress() : StartDownloadProgress();
       break;
     default:
       NOTREACHED();
   }
 
   status_text_ = UTF16ToUTF8(download_model_->GetStatusText());
   UpdateStatusLabel(status_text_);
 }
 
@@ skipping 46 matching lines @@
     UpdateStatusLabel(status_text_);
     UpdateDangerWarning();
   }
 }
 
 DownloadItem* DownloadItemGtk::get_download() {
   return download_model_->download();
 }
 
 bool DownloadItemGtk::IsDangerous() {
-  return get_download()->safety_state() == DownloadItem::DANGEROUS;
+  return get_download()->GetSafetyState() == DownloadItem::DANGEROUS;
 }
 
 // Download progress animation functions.
 
 void DownloadItemGtk::UpdateDownloadProgress() {
   progress_angle_ = (progress_angle_ +
                      download_util::kUnknownIncrementDegrees) %
                     download_util::kMaxDegrees;
   gtk_widget_queue_draw(progress_area_.get());
 }
@@ skipping 135 matching lines @@
           l10n_util::GetStringUTF16(IDS_PROMPT_UNSAFE_DOWNLOAD_URL);
     } else {
       // It's a dangerous file type (e.g.: an executable).
       DCHECK(get_download()->GetDangerType() ==
              DownloadStateInfo::DANGEROUS_FILE);
       if (ChromeDownloadManagerDelegate::IsExtensionDownload(get_download())) {
         dangerous_warning =
             l10n_util::GetStringUTF16(IDS_PROMPT_DANGEROUS_DOWNLOAD_EXTENSION);
       } else {
         string16 elided_filename = ui::ElideFilename(
-            get_download()->target_name(), gfx::Font(), kTextWidth);
+            get_download()->GetTargetName(), gfx::Font(), kTextWidth);
         dangerous_warning =
             l10n_util::GetStringFUTF16(IDS_PROMPT_DANGEROUS_DOWNLOAD,
                                        elided_filename);
       }
     }
 
     if (theme_service_->UsingNativeTheme()) {
       gtk_util::SetLabelColor(dangerous_label_, NULL);
     } else {
       GdkColor color = theme_service_->GetGdkColor(
@@ skipping 297 matching lines @@
   get_download()->DangerousDownloadValidated();
 }
 
 void DownloadItemGtk::OnDangerousDecline(GtkWidget* button) {
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.discard_download",
                            base::Time::Now() - creation_time_);
   if (get_download()->IsPartialDownload())
     get_download()->Cancel(true);
   get_download()->Delete(DownloadItem::DELETE_DUE_TO_USER_DISCARD);
 }