Refactor back/forward buttons to their own class. Fix them so the menu pops up on drags and the buttons look depressed when the menu is showing.

BUG=12427
TEST=back/forward button behavior should be as on windows (see bug desc. for details).

Review URL: http://codereview.chromium.org/113806

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16898 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 12 insertions, 0 deletions

diff --git a/chrome/browser/gtk/custom_button.h b/chrome/browser/gtk/custom_button.h
index f5e21ce..92f9d72 100644
--- a/chrome/browser/gtk/custom_button.h
+++ b/chrome/browser/gtk/custom_button.h
@@ -33,11 +33,16 @@ class CustomDrawButtonBase {
 
   gboolean OnExpose(GtkWidget* widget, GdkEventExpose* e);
 
+  void set_paint_override(int state) { paint_override_ = state; }
+
  private:
   // We store one GdkPixbuf* for each possible state of the button;
   // INSENSITIVE is the last available state;
   GdkPixbuf* pixbufs_[GTK_STATE_INSENSITIVE + 1];
 
+  // If non-negative, the state to paint the button.
+  int paint_override_;
+
   DISALLOW_COPY_AND_ASSIGN(CustomDrawButtonBase);
 };
 
@@ -65,6 +70,13 @@ class CustomDrawButton {
 
   int width() const { return widget_.get()->allocation.width; }
 
+  // Set the state to draw. We will paint the widget as if it were in this
+  // state.
+  void SetPaintOverride(GtkStateType state);
+
+  // Resume normal drawing of the widget's state.
+  void UnsetPaintOverride();
+
   // This is a convenience function for creating a widget that closes
   // a bar (find bar, download shelf, info bars). The button will be packed in
   // |hbox|.