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// Copyright (c) 2012 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_CONSTRAINED_WINDOW_GTK_H_
#define CHROME_BROWSER_UI_GTK_CONSTRAINED_WINDOW_GTK_H_
#include <gtk/gtk.h>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/ui/native_web_contents_modal_dialog.h"
#include "ui/base/gtk/gtk_signal.h"
#include "ui/base/gtk/owned_widget_gtk.h"
typedef struct _GdkColor GdkColor;
class ChromeWebContentsViewDelegateGtk;
namespace content {
class WebContents;
}
class ConstrainedWindowGtkDelegate {
public:
// Returns the widget that will be put in the constrained window's container.
virtual GtkWidget* GetWidgetRoot() = 0;
// Returns the widget that should get focus when ConstrainedWindowGtk is
// focused.
virtual GtkWidget* GetFocusWidget() = 0;
// Tells the delegate to either delete itself or set up a task to delete
// itself later.
virtual void DeleteDelegate() = 0;
virtual bool GetBackgroundColor(GdkColor* color);
// Returns true if hosting ConstrainedWindowGtk should apply default padding.
virtual bool ShouldHaveBorderPadding() const;
protected:
virtual ~ConstrainedWindowGtkDelegate();
};
// Web contents modal dialog implementation for the GTK port. Unlike the Win32
// system, ConstrainedWindowGtk doesn't draw draggable fake windows and instead
// just centers the dialog. It is thus an order of magnitude simpler.
class ConstrainedWindowGtk {
public:
typedef ChromeWebContentsViewDelegateGtk TabContentsViewType;
ConstrainedWindowGtk(content::WebContents* web_contents,
ConstrainedWindowGtkDelegate* delegate);
virtual ~ConstrainedWindowGtk();
void ShowWebContentsModalDialog();
void CloseWebContentsModalDialog();
void FocusWebContentsModalDialog();
void PulseWebContentsModalDialog();
NativeWebContentsModalDialog GetNativeDialog();
// Called when the result of GetBackgroundColor may have changed.
void BackgroundColorChanged();
// Returns the WebContents that constrains this Constrained Window.
content::WebContents* owner() const { return web_contents_; }
// Returns the toplevel widget that displays this "window".
GtkWidget* widget() { return border_.get(); }
// Returns the View that we collaborate with to position ourselves.
TabContentsViewType* ContainingView();
private:
// Signal callbacks.
CHROMEGTK_CALLBACK_1(ConstrainedWindowGtk, gboolean, OnKeyPress,
GdkEventKey*);
CHROMEGTK_CALLBACK_1(ConstrainedWindowGtk, void, OnHierarchyChanged,
GtkWidget*);
// The WebContents that owns and constrains this ConstrainedWindowGtk.
content::WebContents* web_contents_;
// The top level widget container that exports to our WebContentsView.
ui::OwnedWidgetGtk border_;
// Delegate that provides the contents of this constrained window.
ConstrainedWindowGtkDelegate* delegate_;
// Stores if |ShowWebContentsModalDialog()| has been called.
bool visible_;
base::WeakPtrFactory<ConstrainedWindowGtk> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(ConstrainedWindowGtk);
};
#endif // CHROME_BROWSER_UI_GTK_CONSTRAINED_WINDOW_GTK_H_
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