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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/gfx/point.h"
#include "base/scoped_ptr.h"
#include "base/task.h"
#include "chrome/browser/status_bubble.h"
#include "chrome/common/notification_observer.h"
#include "chrome/common/notification_registrar.h"
#include "chrome/common/owned_widget_gtk.h"
class GtkThemeProvider;
class GURL;
class Profile;
// 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 NotificationObserver {
public:
explicit StatusBubbleGtk(Profile* profile);
virtual ~StatusBubbleGtk();
bool flip_horizontally() const { return flip_horizontally_; }
int y_offset() const { return y_offset_; }
// 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(const gfx::Point& location, bool left_content);
// 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);
// Overridden from NotificationObserver:
void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// 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 text of the label widget and controls visibility. (As contrasted
// with setting the current status or URL text, which may be ignored for now).
void SetStatusTextTo(const std::string& status_utf8);
// 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();
// Notification from the window that we should retheme ourself.
void UserChangedTheme();
// Sets whether the bubble should be flipped horizontally and displayed on the
// opposite side of the tab contents. Reshapes the container and queues a
// redraw if necessary.
void SetFlipHorizontally(bool flip_horizontally);
static gboolean HandleMotionNotifyThunk(GtkWidget* widget,
GdkEventMotion* event,
gpointer user_data) {
return reinterpret_cast<StatusBubbleGtk*>(user_data)->
HandleMotionNotify(event);
}
gboolean HandleMotionNotify(GdkEventMotion* event);
NotificationRegistrar registrar_;
// Provides colors.
GtkThemeProvider* theme_provider_;
// The toplevel event box.
OwnedWidgetGtk container_;
// The GtkAlignment holding |label_|.
GtkWidget* padding_;
// The GtkLabel holding the text.
GtkWidget* label_;
// The status text we want to display when there are no URLs to display.
std::string status_text_;
// The url we want to display when there is no status text to display.
std::string url_text_;
// A timer that hides our window after a delay.
ScopedRunnableMethodFactory<StatusBubbleGtk> timer_factory_;
// Should the bubble be flipped horizontally (e.g. displayed on the right for
// an LTR language)? We move the bubble to the other side of the tab contents
// rather than sliding it down when the download shelf is visible.
bool flip_horizontally_;
// Vertical offset used to hide the status bubble as the pointer nears it.
int y_offset_;
// If the download shelf is visible, do not obscure it.
bool download_shelf_is_visible_;
};
#endif // CHROME_BROWSER_GTK_STATUS_BUBBLE_GTK_H_
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