Make panels not show on top when there is an app running in full screen mode.

chrome/browser/ui/panels/panel_manager.h

 // Copyright (c) 2011 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_PANELS_PANEL_MANAGER_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_MANAGER_H_
 #pragma once
 
 #include <vector>
 #include "base/basictypes.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/timer.h"
 #include "chrome/browser/ui/panels/auto_hiding_desktop_bar.h"
 #include "chrome/browser/ui/panels/panel.h"
 #include "ui/gfx/rect.h"
 
 // TODO(jennb): Clean up by removing functions below that cause this
 // to be required.
 #ifdef UNIT_TEST
 #include "chrome/browser/ui/panels/panel_strip.h"
 #include "chrome/browser/ui/panels/panel_mouse_watcher.h"
 #endif
@@ skipping 70 matching lines @@
   }
 
   PanelMouseWatcher* mouse_watcher() const {
     return panel_mouse_watcher_.get();
   }
 
   PanelStrip* panel_strip() const {
     return panel_strip_.get();
   }
 
+  bool is_full_screen() const { return is_full_screen_; }
+
 #ifdef UNIT_TEST
   static int horizontal_spacing() { return PanelStrip::horizontal_spacing(); }
 
   const gfx::Rect& work_area() const {
     return work_area_;
   }
 
   void set_auto_hiding_desktop_bar(
       AutoHidingDesktopBar* auto_hiding_desktop_bar) {
     auto_hiding_desktop_bar_ = auto_hiding_desktop_bar;
@@ skipping 35 matching lines @@
   // Applies the new work area. This is called by OnDisplayChanged and the test
   // code.
   void SetWorkArea(const gfx::Rect& work_area);
 
   // Adjusts the work area to exclude the influence of auto-hiding desktop bars.
   void AdjustWorkAreaForAutoHidingDesktopBars();
 
   // Positions the various groupings of panels.
   void Layout();
 
+  // Tests if the current active app is in full screen mode.
+  void CheckFullScreenMode();
+
   scoped_ptr<PanelStrip> panel_strip_;
 
   // Use a mouse watcher to know when to bring up titlebars to "peek" at
   // minimized panels. Mouse movement is only tracked when there is a minimized
   // panel.
   scoped_ptr<PanelMouseWatcher> panel_mouse_watcher_;
 
   // The maximum work area avaialble. This area does not include the area taken
   // by the always-visible (non-auto-hiding) desktop bars.
   gfx::Rect work_area_;
 
   // The useable work area for computing the panel bounds. This area excludes
   // the potential area that could be taken by the auto-hiding desktop
   // bars (we only consider those bars that are aligned to bottom, left, and
   // right of the screen edges) when they become fully visible.
   gfx::Rect adjusted_work_area_;
 
   scoped_refptr<AutoHidingDesktopBar> auto_hiding_desktop_bar_;
 
   // Whether or not bounds will be updated when the preferred content size is
   // changed. The testing code could set this flag to false so that other tests
   // will not be affected.
   bool auto_sizing_enabled_;
 
+  // Timer used to track if the current active app is in full screen mode.
+  base::RepeatingTimer<PanelManager> full_screen_mode_timer_;
+
+  // True if current active app is in full screen mode.
+  bool is_full_screen_;
+
   DISALLOW_COPY_AND_ASSIGN(PanelManager);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_MANAGER_H_