Makes match preview send the dimensions of the omnibox to the page.

chrome/browser/tab_contents/match_preview.h

 // Copyright (c) 2010 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_TAB_CONTENTS_MATCH_PREVIEW_H_
 #define CHROME_BROWSER_TAB_CONTENTS_MATCH_PREVIEW_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
 #include "base/string16.h"
 #include "base/timer.h"
 #include "chrome/browser/search_engines/template_url_id.h"
 #include "chrome/common/page_transition_types.h"
+#include "gfx/rect.h"
 #include "googleurl/src/gurl.h"
 
 struct AutocompleteMatch;
 class MatchPreviewDelegate;
 class TabContents;
 
 // MatchPreview maintains a TabContents that is intended to give a preview of
 // a URL. MatchPreview is owned by Browser.
 //
 // At any time the TabContents maintained by MatchPreview may be destroyed by
@@ skipping 11 matching lines @@
 
   // Invoked as the user types in the omnibox with the url to navigate to.  If
   // the url is empty and there is a preview TabContents it is destroyed. If url
   // is non-empty and the preview TabContents has not been created it is
   // created.
   void Update(TabContents* tab_contents,
               const AutocompleteMatch& match,
               const string16& user_text,
               string16* suggested_text);
 
+  // Sets the bounds of the omnibox (in screen coordinates). The bounds are
+  // remembered until the preview is committed or destroyed. This is only used
+  // when showing results for a search provider that supports instant.
+  void SetOmniboxBounds(const gfx::Rect& bounds);
+
   // Destroys the preview TabContents. Does nothing if the preview TabContents
   // has not been created.
   void DestroyPreviewContents();
 
   // Invoked when the user does some gesture that should trigger making the
   // current previewed page the permanent page.
   void CommitCurrentPreview();
 
   // Releases the preview TabContents passing ownership to the caller. This is
   // intended to be called when the preview TabContents is committed. This does
@@ skipping 22 matching lines @@
   // which results in updating the omnibox.
   void SetCompleteSuggestedText(const string16& suggested_text);
 
   // Invoked when the preview paints. This notifies the delegate the preview is
   // ready to be shown.
   void PreviewDidPaint();
 
   // Invoked once the page has finished loading and the script has been sent.
   void PageFinishedLoading();
 
+  // Returns the bounds of the omnibox in terms of the preview tab contents.
+  gfx::Rect GetOmniboxBoundsInTermsOfPreview();
+
+  // Are we waiting for the preview page to finish loading?
+  bool is_waiting_for_load() const {
+    return frame_load_observer_.get() != NULL;
+  }
+
+  // Are we showing instant results?
+  bool is_showing_instant() const { return template_url_id_ != 0; }
+
   MatchPreviewDelegate* delegate_;
 
   // The TabContents last passed to |Update|.
   TabContents* tab_contents_;
 
   // The url we're displaying.
   GURL url_;
 
   // Delegate of the preview TabContents. Used to detect when the user does some
   // gesture on the TabContents and the preview needs to be activated.
   scoped_ptr<TabContentsDelegateImpl> preview_tab_contents_delegate_;
 
   // The preview TabContents; may be null.
   scoped_ptr<TabContents> preview_contents_;
 
   // Has notification been sent out that the preview TabContents is ready to be
   // shown?
   bool is_active_;
 
   // The text the user typed in the omnibox.
   string16 user_text_;
 
   // The latest suggestion from the page.
   string16 complete_suggested_text_;
 
   // If we're showing instant results this is the ID of the TemplateURL driving
   // the results. A value of 0 means there is no TemplateURL.
   TemplateURLID template_url_id_;
 
+  // See description above setter.
+  gfx::Rect omnibox_bounds_;
+
   scoped_ptr<FrameLoadObserver> frame_load_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(MatchPreview);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_MATCH_PREVIEW_H_