cros: Instant extended support for immersive fullscreen

chrome/browser/ui/views/frame/browser_view_layout.h

 // Copyright (c) 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_VIEWS_FRAME_BROWSER_VIEW_LAYOUT_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_LAYOUT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 15 matching lines @@
 class Size;
 }
 
 namespace views {
 class SingleSplitView;
 }
 
 // The layout manager used in chrome browser.
 class BrowserViewLayout : public views::LayoutManager {
  public:
+  // The vertical overlap between the TabStrip and the Toolbar.
+  static const int kToolbarTabStripVerticalOverlap;
+
   BrowserViewLayout();
   virtual ~BrowserViewLayout();
 
   WebContentsModalDialogHost* GetWebContentsModalDialogHost();
 
   // Returns the minimum size of the browser view.
   gfx::Size GetMinimumSize();
 
   // Returns the bounding box for the find bar.
   gfx::Rect GetFindBarBoundingBox() const;
 
   // Returns true if the specified point(BrowserView coordinates) is in
   // in the window caption area of the browser window.
   bool IsPositionInWindowCaption(const gfx::Point& point);
 
   // Tests to see if the specified |point| (in nonclient view's coordinates)
   // is within the views managed by the laymanager. Returns one of
   // HitTestCompat enum defined in ui/base/hit_test.h.
   // See also ClientView::NonClientHitTest.
   int NonClientHitTest(const gfx::Point& point);
 
   // views::LayoutManager overrides:
   virtual void Installed(views::View* host) OVERRIDE;
   virtual void Uninstalled(views::View* host) OVERRIDE;
   virtual void ViewAdded(views::View* host, views::View* view) OVERRIDE;
   virtual void Layout(views::View* host) OVERRIDE;
   virtual gfx::Size GetPreferredSize(views::View* host) OVERRIDE;
 
- protected:
+ private:
   class WebContentsModalDialogHostViews;
 
+  enum InstantUIState {
+    // No instant suggestions are being shown.
+    kInstantUINone,
+    // Instant suggestions are displayed in a overlay overlapping the tab
+    // contents.
+    kInstantUIOverlay,
+    // Instant suggestions are displayed in the main tab contents.
+    kInstantUIFullPageResults,
+  };
+
   Browser* browser();
   const Browser* browser() const;
 
   // Layout the tab strip region, returns the coordinate of the bottom of the
   // TabStrip, for laying out subsequent controls.
   int LayoutTabStripRegion();
 
   // Layout the following controls, starting at |top|, returns the coordinate
   // of the bottom of the control, for laying out the next control.
   int LayoutToolbar(int top);
   int LayoutBookmarkAndInfoBars(int top);
   int LayoutBookmarkBar(int top);
   int LayoutInfoBar(int top);
 
-  // Layout the WebContents container, between the coordinates |top| and
-  // |bottom|.
-  void LayoutTabContents(int top, int bottom);
+  // Layout the |contents_split_| view between the coordinates |top| and
+  // |bottom|. See browser_view.h for details of the relationship between
+  // |contents_split_| and other views.
+  void LayoutContentsSplitView(int top, int bottom);
+
+  // Returns the vertical offset for the web contents to account for a
+  // detached bookmarks bar.
+  int GetContentsOffsetForBookmarkBar();
 
   // Returns the top margin to adjust the contents_container_ by. This is used
   // to make the bookmark bar and contents_container_ overlap so that the
   // preview contents hides the bookmark bar.
   int GetTopMarginForActiveContent();
 
+  // Returns the top margin by which to adjust the instant overlay web
+  // contents. Used to make instant extended suggestions align with the
+  // omnibox in immersive fullscreen.
+  int GetTopMarginForOverlayContent();
+
+  // Returns the top margin for the active or overlay web view in
+  // |contents_container_| for an immersive fullscreen reveal while instant
+  // extended is providing suggestions.
+  int GetTopMarginForImmersiveInstant();
+
+  // Returns the state of instant extended suggestions.
+  InstantUIState GetInstantUIState();
+
   // Layout the Download Shelf, returns the coordinate of the top of the
   // control, for laying out the previous control.
   int LayoutDownloadShelf(int bottom);
 
   // Returns true if an infobar is showing.
   bool InfobarVisible() const;
 
-  // See description above vertical_layout_rect_ for details.
-  void set_vertical_layout_rect(const gfx::Rect& bounds) {
-    vertical_layout_rect_ = bounds;
-  }
-  const gfx::Rect& vertical_layout_rect() const {
-    return vertical_layout_rect_;
-  }
-
   // Child views that the layout manager manages.
   views::SingleSplitView* contents_split_;
   ContentsContainer* contents_container_;
   DownloadShelfView* download_shelf_;
 
   BrowserView* browser_view_;
 
   // The bounds within which the vertically-stacked contents of the BrowserView
   // should be laid out within. This is just the local bounds of the
   // BrowserView.
+  // TODO(jamescook): Remove this and just use browser_view_->GetLocalBounds().
   gfx::Rect vertical_layout_rect_;
 
   // The distance the FindBar is from the top of the window, in pixels.
   int find_bar_y_;
 
   // The host for use in positioning the web contents modal dialog.
   scoped_ptr<WebContentsModalDialogHostViews> dialog_host_;
 
   // The distance the web contents modal dialog is from the top of the window,
   // in pixels.
   int web_contents_modal_dialog_top_y_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserViewLayout);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_LAYOUT_H_