Hide panels in presence of full screen app for windows.

chrome/browser/ui/panels/panel_manager.cc

 // 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.
 
 #include "chrome/browser/ui/panels/panel_manager.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/fullscreen.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 82 matching lines @@
   int width = browser->override_bounds().width();
   int height = browser->override_bounds().height();
   Panel* panel = new Panel(browser, gfx::Size(width, height));
   panel_strip_->AddPanel(panel);
 
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_PANEL_ADDED,
       content::Source<Panel>(panel),
       content::NotificationService::NoDetails());
 
+// We don't enable full screen detection for Linux as z-order rules for
+// panels on Linux ensures that they're below any app running in full screen
+// mode.
+#if defined(OS_WIN) || defined(OS_MACOSX)
   if (num_panels() == 1) {
     full_screen_mode_timer_.Start(FROM_HERE,
         base::TimeDelta::FromMilliseconds(kFullScreenModeCheckIntervalMs),
         this, &PanelManager::CheckFullScreenMode);
   }
+#endif
 
   return panel;
 }
 
 int PanelManager::StartingRightPosition() const {
   return panel_strip_->StartingRightPosition();
 }
 
 void PanelManager::CheckFullScreenMode() {
   bool is_full_screen_new = IsFullScreenMode();
   if (is_full_screen_ == is_full_screen_new)
     return;
   is_full_screen_ = is_full_screen_new;
   panel_strip_->OnFullScreenModeChanged(is_full_screen_);
   panel_overflow_strip_->OnFullScreenModeChanged(is_full_screen_);
 }
 
 void PanelManager::Remove(Panel* panel) {
+#if defined(OS_WIN) || defined(OS_MACOSX)
   if (num_panels() == 1)
     full_screen_mode_timer_.Stop();
+#endif
 
   if (panel_strip_->Remove(panel))
     return;
   bool removed = panel_overflow_strip_->Remove(panel);
   DCHECK(removed);
 }
 
 void PanelManager::OnPanelRemoved(Panel* panel) {
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_PANEL_REMOVED,
@@ skipping 87 matching lines @@
   return panel_strip_->num_panels() + panel_overflow_strip_->num_panels();
 }
 
 bool PanelManager::is_dragging_panel() const {
   return panel_strip_->is_dragging_panel();
 }
 
 const PanelManager::Panels& PanelManager::panels() const {
   return panel_strip_->panels();
 }