Revert 34954 - Fix issue 11258: Linux: gracefully handle small browser window...

chrome/browser/gtk/tab_contents_container_gtk.cc

Index: chrome/browser/gtk/tab_contents_container_gtk.cc
===================================================================
--- chrome/browser/gtk/tab_contents_container_gtk.cc	(revision 34954)
+++ chrome/browser/gtk/tab_contents_container_gtk.cc	(working copy)
@@ -6,13 +6,30 @@
 
 #include "app/gfx/native_widget_types.h"
 #include "app/l10n_util.h"
-#include "chrome/browser/gtk/gtk_expanded_container.h"
 #include "chrome/browser/gtk/gtk_floating_container.h"
 #include "chrome/browser/gtk/status_bubble_gtk.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/renderer_host/render_widget_host_view_gtk.h"
 #include "chrome/common/notification_service.h"
 
+namespace {
+
+// Allocates all normal tab contents views to the size of the passed in
+// |allocation|.
+void ResizeChildren(GtkWidget* widget, void* param) {
+  GtkAllocation* allocation = reinterpret_cast<GtkAllocation*>(param);
+  if (!GTK_WIDGET_VISIBLE(widget))
+    return;
+
+  if (widget->allocation.width != allocation->width ||
+      widget->allocation.height != allocation->height) {
+    gtk_widget_set_size_request(widget, allocation->width,
+                                allocation->height);
+  }
+}
+
+}  // namespace
+
 TabContentsContainerGtk::TabContentsContainerGtk(StatusBubbleGtk* status_bubble)
     : tab_contents_(NULL),
       status_bubble_(status_bubble) {
@@ -27,7 +44,7 @@
   // A high level overview of the TabContentsContainer:
   //
   // +- GtkFloatingContainer |floating_| -------------------------------+
-  // |+- GtkExpandedContainer |expanded_| -----------------------------+|
+  // |+- GtkFixedContainer |fixed_| -----------------------------------+|
   // ||                                                                ||
   // ||                                                                ||
   // ||                                                                ||
@@ -40,8 +57,10 @@
   floating_.Own(gtk_floating_container_new());
   gtk_widget_set_name(floating_.get(), "chrome-tab-contents-container");
 
-  expanded_ = gtk_expanded_container_new();
-  gtk_container_add(GTK_CONTAINER(floating_.get()), expanded_);
+  fixed_ = gtk_fixed_new();
+  g_signal_connect(fixed_, "size-allocate",
+                   G_CALLBACK(OnFixedSizeAllocate), this);
+  gtk_container_add(GTK_CONTAINER(floating_.get()), fixed_);
 
   if (status_bubble_) {
     gtk_floating_container_add_floating(GTK_FLOATING_CONTAINER(floating_.get()),
@@ -50,7 +69,7 @@
                      G_CALLBACK(OnSetFloatingPosition), this);
   }
 
-  gtk_widget_show(expanded_);
+  gtk_widget_show(fixed_);
   gtk_widget_show(floating_.get());
 
   ViewIDUtil::SetDelegateForWidget(widget(), this);
@@ -86,8 +105,8 @@
 
     gfx::NativeView widget = tab_contents_->GetNativeView();
     if (widget) {
-      if (widget->parent != expanded_)
-        gtk_container_add(GTK_CONTAINER(expanded_), widget);
+      if (widget->parent != fixed_)
+        gtk_fixed_put(GTK_FIXED(fixed_), widget, 0, 0);
       gtk_widget_show(widget);
     }
 
@@ -108,8 +127,8 @@
   // It is possible to detach an unrealized, unparented TabContents if you
   // slow things down enough in valgrind. Might happen in the real world, too.
   if (widget && widget->parent) {
-    DCHECK_EQ(widget->parent, expanded_);
-    gtk_container_remove(GTK_CONTAINER(expanded_), widget);
+    DCHECK_EQ(widget->parent, fixed_);
+    gtk_container_remove(GTK_CONTAINER(fixed_), widget);
   }
 }
 
@@ -157,6 +176,15 @@
 // -----------------------------------------------------------------------------
 
 // static
+void TabContentsContainerGtk::OnFixedSizeAllocate(
+    GtkWidget* fixed,
+    GtkAllocation* allocation,
+    TabContentsContainerGtk* container) {
+  // Set all the tab contents GtkWidgets to the size of the allocation.
+  gtk_container_foreach(GTK_CONTAINER(fixed), ResizeChildren, allocation);
+}
+
+// static
 void TabContentsContainerGtk::OnSetFloatingPosition(
     GtkFloatingContainer* floating_container, GtkAllocation* allocation,
     TabContentsContainerGtk* tab_contents_container) {