Browser should get notified if a views textfield changes focus. In addition,

chrome/browser/ui/touch/frame/touch_browser_frame_view.cc

Index: chrome/browser/ui/touch/frame/touch_browser_frame_view.cc
diff --git a/chrome/browser/ui/touch/frame/touch_browser_frame_view.cc b/chrome/browser/ui/touch/frame/touch_browser_frame_view.cc
index 545f31cc28923a2116a3dff889799778bdae21da..78bf1232ff7c5397ea393abad489871f3b88daa7 100644
--- a/chrome/browser/ui/touch/frame/touch_browser_frame_view.cc
+++ b/chrome/browser/ui/touch/frame/touch_browser_frame_view.cc
@@ -38,6 +38,9 @@ TouchBrowserFrameView::TouchBrowserFrameView(BrowserFrame* frame,
 }
 
 TouchBrowserFrameView::~TouchBrowserFrameView() {
+  if (focus_change_listener_.get()) {
+    GetFocusManager()->RemoveFocusChangeListener(focus_change_listener_.get());
+  }
 }
 
 void TouchBrowserFrameView::Layout() {
@@ -59,6 +62,16 @@ int TouchBrowserFrameView::GetReservedHeight() const {
   return 0;
 }
 
+void TouchBrowserFrameView::ViewHierarchyChanged(
+    bool is_add, View* parent, View* child) {

[rjkroege, 2011/01/27 00:04:22]

could be indented the other way probably?

[varunjain, 2011/01/27 00:19:34]

Done.

+  OpaqueBrowserFrameView::ViewHierarchyChanged(is_add, parent, child);
+  if (!focus_change_listener_.get()) {
+    focus_change_listener_.reset(new TouchBrowserFocusChangeListener(this));
+    GetFocusManager()->AddFocusChangeListener(focus_change_listener_.get());
+  }
+}
+

[rjkroege, 2011/01/27 00:04:22]

extra blank

[varunjain, 2011/01/27 00:19:34]

Done.

+
 ///////////////////////////////////////////////////////////////////////////////
 // TouchBrowserFrameView, private:
 
@@ -118,3 +131,24 @@ void TouchBrowserFrameView::Observe(NotificationType type,
       UpdateKeyboardAndLayout(false);
   }
 }
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// TouchBrowserFocusChangeListener
+//
+///////////////////////////////////////////////////////////////////////////////
+
+TouchBrowserFrameView::TouchBrowserFocusChangeListener
+    ::TouchBrowserFocusChangeListener(TouchBrowserFrameView* browser_frame)
+    : touch_browser_frame_(browser_frame) {
+}
+
+void TouchBrowserFrameView::TouchBrowserFocusChangeListener::FocusWillChange(
+    views::View* focused_before, views::View* focused_now) {
+  if (!focused_before || (focused_now && focused_now->GetVirtualKeyboardType()
+      != focused_before->GetVirtualKeyboardType())) {
+    // TODO: support other types of keyboard.
+    touch_browser_frame_->UpdateKeyboardAndLayout(
+        focused_now->GetVirtualKeyboardType() == views::View::REGULAR_KEYBOARD);
+  }
+}