Implement DraggedTabGtk, the object that handles rendering either a dragged tab or tab contents during a tab drag.

Review URL: http://codereview.chromium.org/113532

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16310 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 27 insertions, 0 deletions

diff --git a/chrome/common/gtk_util.cc b/chrome/common/gtk_util.cc
index f0d5ea1..ef5d689 100644
--- a/chrome/common/gtk_util.cc
+++ b/chrome/common/gtk_util.cc
@@ -54,4 +54,31 @@ void RemoveAllChildren(GtkWidget* container) {
   gtk_container_foreach(GTK_CONTAINER(container), RemoveWidget, container);
 }
 
+gfx::Point GetWidgetScreenPosition(GtkWidget* widget) {
+  int x = 0, y = 0;
+
+  GtkWidget* parent = widget;
+  while (parent) {
+    if (GTK_IS_WINDOW(parent)) {
+      int window_x, window_y;
+      gtk_window_get_position(GTK_WINDOW(parent), &window_x, &window_y);
+      x += window_x;
+      y += window_y;
+      return gfx::Point(x, y);
+    }
+
+    x += parent->allocation.x;
+    y += parent->allocation.y;
+    parent = gtk_widget_get_parent(parent);
+  }
+
+  return gfx::Point(x, y);
+}
+
+gfx::Rect GetWidgetScreenBounds(GtkWidget* widget) {
+  gfx::Point position = GetWidgetScreenPosition(widget);
+  return gfx::Rect(position.x(), position.y(),
+                   widget->allocation.width, widget->allocation.height);
+}
+
 }  // namespace gtk_util