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// 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.
#ifndef CHROME_BROWSER_UI_GTK_DOWNLOAD_SHELF_GTK_H_
#define CHROME_BROWSER_UI_GTK_DOWNLOAD_SHELF_GTK_H_
#pragma once
#include <gtk/gtk.h>
#include <vector>
#include "base/scoped_ptr.h"
#include "chrome/browser/download/download_shelf.h"
#include "chrome/browser/ui/gtk/owned_widget_gtk.h"
#include "chrome/browser/ui/gtk/slide_animator_gtk.h"
#include "chrome/common/notification_observer.h"
#include "chrome/common/notification_registrar.h"
#include "gfx/native_widget_types.h"
#include "ui/base/gtk/gtk_signal.h"
class BaseDownloadItemModel;
class Browser;
class CustomDrawButton;
class DownloadItemGtk;
class GtkThemeProvider;
class SlideAnimatorGtk;
class DownloadShelfGtk : public DownloadShelf,
public NotificationObserver,
public SlideAnimatorGtk::Delegate {
public:
explicit DownloadShelfGtk(Browser* browser, gfx::NativeView view);
~DownloadShelfGtk();
// DownloadShelf implementation.
virtual void AddDownload(BaseDownloadItemModel* download_model);
virtual bool IsShowing() const;
virtual bool IsClosing() const;
virtual void Show();
virtual void Close();
virtual Browser* browser() const;
// SlideAnimatorGtk::Delegate implementation.
virtual void Closed();
// Overridden from NotificationObserver:
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// Returns the current height of the shelf.
int GetHeight() const;
private:
// Remove |download_item| from the download shelf and delete it.
void RemoveDownloadItem(DownloadItemGtk* download_item);
// Get the hbox download items ought to pack themselves into.
GtkWidget* GetHBox() const;
// Show more hidden download items if there is enough space in the shelf.
// It's called when a download item is removed from the shelf or an item's
// size is changed.
void MaybeShowMoreDownloadItems();
CHROMEGTK_CALLBACK_0(DownloadShelfGtk, void, OnButtonClick);
// The browser that owns this download shelf.
Browser* browser_;
// The top level widget of the shelf.
scoped_ptr<SlideAnimatorGtk> slide_widget_;
// |items_hbox_| holds the download items.
OwnedWidgetGtk items_hbox_;
// |shelf_| is the second highest level widget. See the constructor
// for an explanation of the widget layout.
OwnedWidgetGtk shelf_;
// Top level event box which draws the one pixel border.
GtkWidget* top_border_;
// A GtkEventBox which we color.
GtkWidget* padding_bg_;
// The "Show all downloads..." link.
GtkWidget* link_button_;
// The 'x' that the user can press to hide the download shelf.
scoped_ptr<CustomDrawButton> close_button_;
// Keeps track of our current hide/show state.
bool is_showing_;
// The download items we have added to our shelf.
std::vector<DownloadItemGtk*> download_items_;
// Gives us our colors and theme information.
GtkThemeProvider* theme_provider_;
NotificationRegistrar registrar_;
friend class DownloadItemGtk;
};
#endif // CHROME_BROWSER_UI_GTK_DOWNLOAD_SHELF_GTK_H_
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