Instant API: tell page whether the browser is capturing key strokes.

chrome/browser/ui/omnibox/omnibox_types.h

Index: chrome/browser/ui/omnibox/omnibox_types.h
diff --git a/chrome/browser/ui/omnibox/omnibox_types.h b/chrome/browser/ui/omnibox/omnibox_types.h
new file mode 100644
index 0000000000000000000000000000000000000000..b779036f35971dfaa19c69a0eaf7b5b54593dde2
--- /dev/null
+++ b/chrome/browser/ui/omnibox/omnibox_types.h
@@ -0,0 +1,35 @@
+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_TYPES_H_
+#define CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_TYPES_H_

[Peter Kasting, 2012/12/11 19:20:50]

I would probably put the contents of this file into the OmniboxEditModel header,
because they're basically core concepts to the edit model.

[samarth, 2012/12/12 01:11:26]

Done.

+
+// Omnibox focus state.
+enum OmniboxFocusState {
+  // Not focused.
+  OMNIBOX_FOCUS_NONE,
+
+  // Visibily focused.

[Peter Kasting, 2012/12/11 19:20:50]

Nit: Visibly

[samarth, 2012/12/12 01:11:26]

Done.

+  OMNIBOX_FOCUS_VISIBLE,
+
+  // Invisibly focused, i.e. focused with a hidden caret.
+  OMNIBOX_FOCUS_INVISIBLE,
+};
+
+// Reasons why the Omnibox focus state could change.
+enum OmniboxFocusChangeReason {
+  // Includes any explicit changes to focus. (e.g. user clicking to change
+  // focus, user tabbing to change focus, any explicit calls to SetFocus,
+  // etc.)
+  OMNIBOX_FOCUS_CHANGE_EXPLICIT,
+
+  // Focus changed to restore state from a tab the user switched to.
+  OMNIBOX_FOCUS_CHANGE_TAB_SWITCH,
+
+  // Focus changed because user started typing. This only happens when focus
+  // state is INVISIBLE (and this results in a change to VISIBLE).
+  OMNIBOX_FOCUS_CHANGE_TYPING,
+};
+
+#endif  // CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_TYPES_H_