chrome/browser/ui/gtk/tab_contents_container_gtk.h

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_GTK_TAB_CONTENTS_CONTAINER_GTK_H_
   6 #define CHROME_BROWSER_UI_GTK_TAB_CONTENTS_CONTAINER_GTK_H_
   7
   8 #include <gtk/gtk.h>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "chrome/browser/ui/gtk/view_id_util.h"
  13 #include "content/public/browser/web_contents_observer.h"
  14 #include "ui/base/gtk/owned_widget_gtk.h"
  15
  16 class StatusBubbleGtk;
  17
  18 typedef struct _GtkFloatingContainer GtkFloatingContainer;
  19
  20 class TabContentsContainerGtk : protected content::WebContentsObserver,
  21                                 public ViewIDUtil::Delegate {
  22  public:
  23   TabContentsContainerGtk(StatusBubbleGtk* status_bubble,
  24                           bool embed_fullscreen_widget);
  25   virtual ~TabContentsContainerGtk();
  26
  27   // Make the specified tab visible.
  28   void SetTab(content::WebContents* tab);
  29   content::WebContents* tab() const { return web_contents(); }
  30
  31   // Remove the tab from the hierarchy.
  32   void DetachTab(content::WebContents* tab);
  33
  34   GtkWidget* widget() { return floating_.get(); }
  35
  36   // ViewIDUtil::Delegate implementation ---------------------------------------
  37   virtual GtkWidget* GetWidgetForViewID(ViewID id) OVERRIDE;
  38
  39  private:
  40   // Overridden from content::WebContentsObserver:
  41   virtual void WebContentsDestroyed(content::WebContents* contents) OVERRIDE;
  42   virtual void DidShowFullscreenWidget(int routing_id) OVERRIDE;
  43   virtual void DidDestroyFullscreenWidget(int routing_id) OVERRIDE;
  44
  45   // Handler for |floating_|'s "set-floating-position" signal. During this
  46   // callback, we manually set the position of the status bubble.
  47   static void OnSetFloatingPosition(
  48       GtkFloatingContainer* container, GtkAllocation* allocation,
  49       TabContentsContainerGtk* tab_contents_container);
  50
  51   // Helper to add the WebContents view (or fullscreen view) to |expanded_|.
  52   void PackTab();
  53
  54   // Helper to hide the WebContents view (or fullscreen view) in |expanded_|.
  55   void HideTab();
  56
  57   // The status bubble manager.  Always non-NULL.
  58   StatusBubbleGtk* status_bubble_;
  59
  60   // Top of the TabContentsContainerGtk widget hierarchy. A cross between a
  61   // GtkBin and a GtkFixed, |floating_| has |expanded_| as its one "real" child,
  62   // and the various things that hang off the bottom (status bubble, etc) have
  63   // their positions manually set in OnSetFloatingPosition.
  64   ui::OwnedWidgetGtk floating_;
  65
  66   // We insert and remove WebContents GtkWidgets into this expanded_. This
  67   // should not be a GtkVBox since there were errors with timing where the vbox
  68   // was horizontally split with the top half displaying the current WebContents
  69   // and bottom half displaying the loading page.
  70   GtkWidget* expanded_;
  71
  72   // When true, TabContentsContainerGtk auto-embeds fullscreen widgets as a
  73   // child view in response to DidShow/DidDestroyFullscreenWidget events.
  74   bool should_embed_fullscreen_widgets_;
  75
  76   // Set to true while TabContentsContainerGtk is embedding a fullscreen widget
  77   // view in |expanded_|, with the normal WebContentsView render view hidden.
  78   bool is_embedding_fullscreen_widget_;
  79
  80   DISALLOW_COPY_AND_ASSIGN(TabContentsContainerGtk);
  81 };
  82
  83 #endif  // CHROME_BROWSER_UI_GTK_TAB_CONTENTS_CONTAINER_GTK_H_