gtk: Hide the status bubble when the mouse nears it.

chrome/browser/gtk/download_shelf_gtk.cc

 // Copyright (c) 2009 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/gtk/download_shelf_gtk.h"
 
 #include "app/gfx/gtk_util.h"
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "chrome/browser/browser.h"
@@ skipping 109 matching lines @@
   registrar_.Add(this, NotificationType::BROWSER_THEME_CHANGED,
                  NotificationService::AllSources());
 
   gtk_widget_show_all(shelf_.get());
 
   // Stick ourselves at the bottom of the parent browser.
   gtk_box_pack_end(GTK_BOX(parent), slide_widget_->widget(),
                    FALSE, FALSE, 0);
   // Make sure we are at the very end.
   gtk_box_reorder_child(GTK_BOX(parent), slide_widget_->widget(), 0);
-  slide_widget_->Open();
+  Show();
 }
 
 DownloadShelfGtk::~DownloadShelfGtk() {
   for (std::vector<DownloadItemGtk*>::iterator iter = download_items_.begin();
        iter != download_items_.end(); ++iter) {
     delete *iter;
   }
 
   shelf_.Destroy();
   hbox_.Destroy();
 }
 
 void DownloadShelfGtk::AddDownload(BaseDownloadItemModel* download_model_) {
   download_items_.push_back(new DownloadItemGtk(this, download_model_));
   Show();
 }
 
 bool DownloadShelfGtk::IsShowing() const {
   return slide_widget_->IsShowing();
 }
 
 bool DownloadShelfGtk::IsClosing() const {
   return slide_widget_->IsClosing();
 }
 
 void DownloadShelfGtk::Show() {
   slide_widget_->Open();
+  browser_->UpdateDownloadShelfVisibility(true);
 }
 
 void DownloadShelfGtk::Close() {
   // When we are closing, we can vertically overlap the render view. Make sure
   // we are on top.
   gdk_window_raise(shelf_.get()->window);
   slide_widget_->Close();
-
-  // TODO(estade): Remove. The status bubble should query its window instead.
   browser_->UpdateDownloadShelfVisibility(false);
 }
 
 void DownloadShelfGtk::Closed() {
   // When the close animation is complete, remove all completed downloads.
   size_t i = 0;
   while (i < download_items_.size()) {
     DownloadItem* download = download_items_[i]->get_download();
     bool is_transfer_done = download->state() == DownloadItem::COMPLETE ||
                             download->state() == DownloadItem::CANCELLED;
@@ skipping 40 matching lines @@
 
 void DownloadShelfGtk::RemoveDownloadItem(DownloadItemGtk* download_item) {
   DCHECK(download_item);
   std::vector<DownloadItemGtk*>::iterator i =
       find(download_items_.begin(), download_items_.end(), download_item);
   DCHECK(i != download_items_.end());
   download_items_.erase(i);
   delete download_item;
   if (download_items_.empty()) {
     slide_widget_->CloseWithoutAnimation();
-
-    // TODO(estade): Remove. The status bubble should query its window instead.
     browser_->UpdateDownloadShelfVisibility(false);
   }
 }
 
 GtkWidget* DownloadShelfGtk::GetRightBoundingWidget() const {
   return link_hbox_;
 }
 
 GtkWidget* DownloadShelfGtk::GetHBox() const {
   return hbox_.get();
 }
 
 // static
 void DownloadShelfGtk::OnButtonClick(GtkWidget* button,
                                      DownloadShelfGtk* shelf) {
   if (button == shelf->close_button_->widget()) {
     shelf->Close();
   } else {
     // The link button was clicked.
     shelf->browser_->ShowDownloadsTab();
   }
 }