Move chrome/browser/gtk to chrome/browser/ui/gtk

chrome/browser/ui/gtk/tab_contents_container_gtk.h

+// 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_UI_GTK_TAB_CONTENTS_CONTAINER_GTK_H_
+#define CHROME_BROWSER_UI_GTK_TAB_CONTENTS_CONTAINER_GTK_H_
+#pragma once
+
+#include <gtk/gtk.h>
+
+#include "app/gtk_signal.h"
+#include "base/basictypes.h"
+#include "chrome/browser/gtk/owned_widget_gtk.h"
+#include "chrome/browser/gtk/view_id_util.h"
+#include "chrome/common/notification_observer.h"
+#include "chrome/common/notification_registrar.h"
+
+class RenderViewHost;
+class StatusBubbleGtk;
+class TabContents;
+
+typedef struct _GtkFloatingContainer GtkFloatingContainer;
+
+class TabContentsContainerGtk : public NotificationObserver,
+                                public ViewIDUtil::Delegate {
+ public:
+  explicit TabContentsContainerGtk(StatusBubbleGtk* status_bubble);
+  ~TabContentsContainerGtk();
+
+  void Init();
+
+  // Make the specified tab visible.
+  void SetTabContents(TabContents* tab_contents);
+  TabContents* GetTabContents() const { return tab_contents_; }
+
+  // Gets the tab contents currently being displayed (either |tab_contents_| or
+  // |preview_contents_|).
+  TabContents* GetVisibleTabContents();
+
+  void SetPreviewContents(TabContents* preview);
+  void PopPreviewContents();
+
+  // Remove the tab from the hierarchy.
+  void DetachTabContents(TabContents* tab_contents);
+
+  // NotificationObserver implementation.
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
+  GtkWidget* widget() { return floating_.get(); }
+
+  // ViewIDUtil::Delegate implementation ---------------------------------------
+  virtual GtkWidget* GetWidgetForViewID(ViewID id);
+
+ private:
+  // Called when a TabContents is destroyed. This gives us a chance to clean
+  // up our internal state if the TabContents is somehow destroyed before we
+  // get notified.
+  void TabContentsDestroyed(TabContents* contents);
+
+  // Handler for |floating_|'s "set-floating-position" signal. During this
+  // callback, we manually set the position of the status bubble.
+  static void OnSetFloatingPosition(
+      GtkFloatingContainer* container, GtkAllocation* allocation,
+      TabContentsContainerGtk* tab_contents_container);
+
+  // Add |contents| to the container and start showing it.
+  void PackTabContents(TabContents* contents);
+
+  // Stop showing |contents|.
+  void HideTabContents(TabContents* contents);
+
+  // Removes |preview_contents_|.
+  void RemovePreviewContents();
+
+  // Handle focus traversal on the tab contents container. Focus should not
+  // traverse to the preview contents.
+  CHROMEGTK_CALLBACK_1(TabContentsContainerGtk, gboolean, OnFocus,
+                       GtkDirectionType);
+
+  NotificationRegistrar registrar_;
+
+  // The TabContents for the currently selected tab. This will be showing unless
+  // there is a preview contents.
+  TabContents* tab_contents_;
+
+  // The current preview contents (for instant). If non-NULL, it will be
+  // visible.
+  TabContents* preview_contents_;
+
+  // The status bubble manager.  Always non-NULL.
+  StatusBubbleGtk* status_bubble_;
+
+  // Top of the TabContentsContainerGtk widget hierarchy. A cross between a
+  // GtkBin and a GtkFixed, |floating_| has |expanded_| as its one "real" child,
+  // and the various things that hang off the bottom (status bubble, etc) have
+  // their positions manually set in OnSetFloatingPosition.
+  OwnedWidgetGtk floating_;
+
+  // We insert and remove TabContents GtkWidgets into this expanded_. This
+  // should not be a GtkVBox since there were errors with timing where the vbox
+  // was horizontally split with the top half displaying the current TabContents
+  // and bottom half displaying the loading page.
+  GtkWidget* expanded_;
+
+  DISALLOW_COPY_AND_ASSIGN(TabContentsContainerGtk);
+};
+
+#endif  // CHROME_BROWSER_UI_GTK_TAB_CONTENTS_CONTAINER_GTK_H_