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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_
#pragma once
#include <gtk/gtk.h>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/ui/constrained_window.h"
#include "ui/base/gtk/gtk_signal.h"
#include "ui/base/gtk/owned_widget_gtk.h"
class TabContentsWrapper;
typedef struct _GdkColor GdkColor;
class ChromeWebContentsViewDelegateGtk;
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 ConstrainedWindow 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();
};
// Constrained window 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 ConstrainedWindow {
public:
typedef ChromeWebContentsViewDelegateGtk TabContentsViewType;
ConstrainedWindowGtk(TabContentsWrapper* wrapper,
ConstrainedWindowGtkDelegate* delegate);
virtual ~ConstrainedWindowGtk();
// Overridden from ConstrainedWindow:
virtual void ShowConstrainedWindow() OVERRIDE;
virtual void CloseConstrainedWindow() OVERRIDE;
virtual void FocusConstrainedWindow() OVERRIDE;
// Returns the TabContentsWrapper that constrains this Constrained Window.
TabContentsWrapper* owner() const { return wrapper_; }
// 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:
friend class ConstrainedWindow;
// Signal callbacks.
CHROMEGTK_CALLBACK_1(ConstrainedWindowGtk, gboolean, OnKeyPress,
GdkEventKey*);
CHROMEGTK_CALLBACK_1(ConstrainedWindowGtk, void, OnHierarchyChanged,
GtkWidget*);
// The TabContentsWrapper that owns and constrains this ConstrainedWindow.
TabContentsWrapper* wrapper_;
// 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 |ShowConstrainedWindow()| 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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