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// 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.
#ifndef CHROME_BROWSER_GTK_STATUS_BUBBLE_GTK_H_
#define CHROME_BROWSER_GTK_STATUS_BUBBLE_GTK_H_
#include <gtk/gtk.h>
#include <string>
#include "base/scoped_ptr.h"
#include "base/task.h"
#include "chrome/browser/status_bubble.h"
#include "chrome/common/owned_widget_gtk.h"
class GURL;
// GTK implementation of StatusBubble. Unlike Windows, our status bubble
// doesn't have the nice leave-the-window effect since we can't rely on the
// window manager to not try to be "helpful" and center our popups, etc.
// We therefore position it absolutely in a GtkFixed, that we don't own.
class StatusBubbleGtk : public StatusBubble {
public:
StatusBubbleGtk();
virtual ~StatusBubbleGtk();
// StatusBubble implementation.
virtual void SetStatus(const std::wstring& status);
virtual void SetURL(const GURL& url, const std::wstring& languages);
virtual void Hide();
virtual void MouseMoved();
// Called when the download shelf becomes visible or invisible.
// This is used by to ensure that the status bubble does not obscure
// the download shelf, when it is visible.
virtual void UpdateDownloadShelfVisibility(bool visible) { }
void SetStatus(const std::string& status_utf8);
// Notification from our parent GtkFixed about its size. |allocation| is the
// size of our |parent| GtkFixed, and we use it to position our status bubble
// directly on top of the current render view.
void SetParentAllocation(GtkWidget* parent, GtkAllocation* allocation);
// Top of the widget hierarchy for a StatusBubble. This top level widget is
// guarenteed to have its gtk_widget_name set to "status-bubble" for
// identification.
GtkWidget* widget() { return container_.get(); }
private:
// Sets the status bubble's location in the parent GtkFixed, shows the widget
// and makes sure that the status bubble has the highest z-order.
void Show();
// Sets an internal timer to hide the status bubble after a delay.
void HideInASecond();
// Builds the widgets, containers, etc.
void InitWidgets();
// An ad hoc, informally-specified, bug-ridden, slow implementation of half
// of GTK's requisition/allocation system. We use this to position the status
// bubble on top of our parent GtkFixed.
void SetStatusBubbleSize();
// A GtkAlignment that is the child of |slide_widget_|.
OwnedWidgetGtk container_;
// The GtkLabel holding the text.
GtkWidget* label_;
// Our parent GtkFixed. (We don't own this; we only keep a reference as we
// set our own size by notifying |parent_| of our desired size.)
GtkWidget* parent_;
// |parent_|'s GtkAllocation. We make sure that |container_| lives along the
// bottom of this and doesn't protrude.
GtkAllocation parent_allocation_;
// A timer that hides our window after a delay.
ScopedRunnableMethodFactory<StatusBubbleGtk> timer_factory_;
};
#endif // CHROME_BROWSER_GTK_STATUS_BUBBLE_GTK_H_
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