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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_INFOBAR_GTK_H_
#define CHROME_BROWSER_GTK_INFOBAR_GTK_H_
#pragma once
#include "app/gtk_signal.h"
#include "app/slide_animation.h"
#include "base/basictypes.h"
#include "base/scoped_ptr.h"
#include "chrome/browser/gtk/infobar_arrow_model.h"
#include "chrome/browser/gtk/owned_widget_gtk.h"
#include "chrome/browser/gtk/slide_animator_gtk.h"
#include "chrome/browser/tab_contents/infobar_delegate.h"
#include "chrome/common/notification_observer.h"
#include "chrome/common/notification_registrar.h"
#include "third_party/skia/include/core/SkPaint.h"
class CustomDrawButton;
class GtkThemeProvider;
class InfoBarContainerGtk;
class InfoBarDelegate;
class InfoBar : public SlideAnimatorGtk::Delegate,
public NotificationObserver,
public InfoBarArrowModel::Observer {
public:
explicit InfoBar(InfoBarDelegate* delegate);
virtual ~InfoBar();
InfoBarDelegate* delegate() const { return delegate_; }
// Get the top level native GTK widget for this infobar.
GtkWidget* widget();
// Set a link to the parent InfoBarContainer. This must be set before the
// InfoBar is added to the view hierarchy.
void set_container(InfoBarContainerGtk* container) { container_ = container; }
// Starts animating the InfoBar open.
void AnimateOpen();
// Opens the InfoBar immediately.
void Open();
// Starts animating the InfoBar closed. It will not be closed until the
// animation has completed, when |Close| will be called.
void AnimateClose();
// Closes the InfoBar immediately and removes it from its container. Notifies
// the delegate that it has closed. The InfoBar is deleted after this function
// is called.
void Close();
// Returns true if the infobar is showing the its open or close animation.
bool IsAnimating();
// Returns true if the infobar is showing the close animation.
bool IsClosing();
void SetThemeProvider(GtkThemeProvider* theme_provider);
// Show an arrow that originates from another infobar (i.e. a bar was added
// below this one). If |other| is NULL, stop showing the arrow.
void ShowArrowFor(InfoBar* other, bool animate);
// InfoBarArrowModel::Observer implementation.
virtual void PaintStateChanged();
// SlideAnimatorGtk::Delegate implementation.
virtual void Closed();
// NotificationObserver implementation.
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// Retrieves the component colors for the infobar's background
// gradient. (This varies by infobars and can be animated to change).
virtual void GetTopColor(InfoBarDelegate::Type type,
double* r, double* g, double *b);
virtual void GetBottomColor(InfoBarDelegate::Type type,
double* r, double* g, double *b);
// The total height of the info bar.
static const int kInfoBarHeight;
protected:
// Removes our associated InfoBarDelegate from the associated TabContents.
// (Will lead to this InfoBar being closed).
void RemoveInfoBar() const;
// Adds |display_text| to the infobar. If |link_text| is not empty, it is
// rendered as a hyperlink and inserted into |display_text| at |link_offset|,
// or right aligned in the infobar if |link_offset| is |npos|. If a link is
// supplied, |link_callback| must not be null. It will be invoked on click.
void AddLabelWithInlineLink(const string16& display_text,
const string16& link_text,
size_t link_offset,
GCallback callback);
// Adds |display_text| to the infobar. If |link_text| is not empty, it is
// right aligned in the infobar.
void AddLabelAndLink(const string16& display_text,
const string16& link_text,
GCallback callback);
// The top level widget of the infobar.
scoped_ptr<SlideAnimatorGtk> slide_widget_;
// The second highest widget in the hierarchy (after the slide widget).
GtkWidget* bg_box_;
// The hbox that holds infobar elements (button, text, icon, etc.).
GtkWidget* hbox_;
// The x that closes the bar.
scoped_ptr<CustomDrawButton> close_button_;
// The InfoBar's container
InfoBarContainerGtk* container_;
// The InfoBar's delegate.
InfoBarDelegate* delegate_;
// The theme provider, used for getting border colors.
GtkThemeProvider* theme_provider_;
// The model that tracks the paint state of the arrow for the infobar
// below this one (if it exists).
InfoBarArrowModel arrow_model_;
NotificationRegistrar registrar_;
private:
CHROMEGTK_CALLBACK_0(InfoBar, void, OnCloseButton);
CHROMEGTK_CALLBACK_1(InfoBar, gboolean, OnBackgroundExpose, GdkEventExpose*);
void UpdateBorderColor();
DISALLOW_COPY_AND_ASSIGN(InfoBar);
};
#endif // CHROME_BROWSER_GTK_INFOBAR_GTK_H_
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