Add download item tooltips on linux/win.

chrome/browser/views/download_item_view.cc

 // Copyright (c) 2006-2008 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/views/download_item_view.h"
 
 #include <vector>
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
@@ skipping 193 matching lines @@
     rb.GetBitmapNamed(IDR_DOWNLOAD_BUTTON_CENTER_TOP),
     rb.GetBitmapNamed(IDR_DOWNLOAD_BUTTON_CENTER_MIDDLE),
     rb.GetBitmapNamed(IDR_DOWNLOAD_BUTTON_CENTER_BOTTOM),
     rb.GetBitmapNamed(IDR_DOWNLOAD_BUTTON_RIGHT_TOP_NO_DD),
     rb.GetBitmapNamed(IDR_DOWNLOAD_BUTTON_RIGHT_MIDDLE_NO_DD),
     rb.GetBitmapNamed(IDR_DOWNLOAD_BUTTON_RIGHT_BOTTOM_NO_DD)
   };
   dangerous_mode_body_image_set_ = dangerous_mode_body_image_set;
 
   LoadIcon();
+  tooltip_text_ = download_->GetFileName().value();
 
   font_ = ResourceBundle::GetSharedInstance().GetFont(ResourceBundle::BaseFont);
   box_height_ = std::max<int>(2 * kVerticalPadding + font_.height() +
                                   kVerticalTextPadding + font_.height(),
                               2 * kVerticalPadding +
                                   normal_body_image_set_.top_left->height() +
                                   normal_body_image_set_.bottom_left->height());
 
   if (download_util::kSmallProgressIconSize > box_height_)
     box_y_ = (download_util::kSmallProgressIconSize - box_height_) / 2;
   else
     box_y_ = kVerticalPadding;
 
   gfx::Size size = GetPreferredSize();
   if (UILayoutIsRightToLeft()) {
     // Drop down button is glued to the left of the download shelf.
     drop_down_x_left_ = 0;
     drop_down_x_right_ = normal_drop_down_image_set_.top->width();
   } else {
     // Drop down button is glued to the right of the download shelf.
     drop_down_x_left_ =
         size.width() - normal_drop_down_image_set_.top->width();
     drop_down_x_right_ = size.width();
   }
 
   body_hover_animation_.reset(new SlideAnimation(this));
   drop_hover_animation_.reset(new SlideAnimation(this));
 
   if (download->safety_state() == DownloadItem::DANGEROUS) {
+    tooltip_text_.clear();
     body_state_ = DANGEROUS;
     drop_down_state_ = DANGEROUS;
 
     warning_icon_ = rb.GetBitmapNamed(IDR_WARNING);
     save_button_ = new views::NativeButton(this, l10n_util::GetString(
         download->is_extension_install() ?
             IDS_CONTINUE_EXTENSION_DOWNLOAD : IDS_SAVE_DOWNLOAD));
     save_button_->set_ignore_minimum_size(true);
     discard_button_ = new views::NativeButton(
         this, l10n_util::GetString(IDS_DISCARD_DOWNLOAD));
@@ skipping 468 matching lines @@
   save_button_ = NULL;
   RemoveChildView(discard_button_);
   delete discard_button_;
   discard_button_ = NULL;
   RemoveChildView(dangerous_download_label_);
   delete dangerous_download_label_;
   dangerous_download_label_ = NULL;
 
   // We need to load the icon now that the download_ has the real path.
   LoadIcon();
+  tooltip_text_ = download_->GetFileName().value();
 
   // Force the shelf to layout again as our size has changed.
   parent_->Layout();
   parent_->SchedulePaint();
 }
 
 gfx::Size DownloadItemView::GetPreferredSize() {
   int width, height;
 
   // First, we set the height to the height of two rows or text plus margins.
@@ skipping 176 matching lines @@
   if (icon_bitmap)
     GetParent()->SchedulePaint();
 }
 
 void DownloadItemView::LoadIcon() {
   IconManager* im = g_browser_process->icon_manager();
   im->LoadIcon(download_->full_path(), IconLoader::SMALL, &icon_consumer_,
                NewCallback(this, &DownloadItemView::OnExtractIconComplete));
 }
 
+bool DownloadItemView::GetTooltipText(const gfx::Point& p,
+                                      std::wstring* tooltip) {
+  if (tooltip_text_.empty())
+    return false;
+
+  tooltip->assign(tooltip_text_);
+  return true;
+}
+
 gfx::Size DownloadItemView::GetButtonSize() {
   DCHECK(save_button_ && discard_button_);
   gfx::Size size;
 
   // We cache the size when successfully retrieved, not for performance reasons
   // but because if this DownloadItemView is being animated while the tab is
   // not showing, the native buttons are not parented and their preferred size
   // is 0, messing-up the layout.
   if (cached_button_size_.width() != 0)
     return cached_button_size_;
@@ skipping 59 matching lines @@
 void DownloadItemView::Reenable() {
   disabled_while_opening_ = false;
   SetEnabled(true);  // Triggers a repaint.
 }
 
 bool DownloadItemView::InDropDownButtonXCoordinateRange(int x) {
   if (x > drop_down_x_left_ && x < drop_down_x_right_)
     return true;
   return false;
 }