Add panels as a single group of windows per display for overview window cycling.

ash/wm/panels/panel_layout_manager.cc

 // 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.
 
 #include "ash/wm/panels/panel_layout_manager.h"
 
 #include <algorithm>
 #include <map>
 
 #include "ash/launcher/launcher.h"
@@ skipping 312 matching lines @@
 void PanelLayoutManager::ToggleMinimize(aura::Window* panel) {
   DCHECK(panel->parent() == panel_container_);
   if (panel->GetProperty(aura::client::kShowStateKey) ==
       ui::SHOW_STATE_MINIMIZED) {
     panel->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
   } else {
     panel->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MINIMIZED);
   }
 }
 
+views::Widget* PanelLayoutManager::GetCalloutWidgetForPanel(
+    aura::Window* panel) {
+  DCHECK(panel->parent() == panel_container_);
+  PanelList::iterator found =
+      std::find(panel_windows_.begin(), panel_windows_.end(), panel);
+  DCHECK(found != panel_windows_.end());
+  return found->callout_widget;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // PanelLayoutManager, aura::LayoutManager implementation:
 void PanelLayoutManager::OnWindowResized() {
   Relayout();
 }
 
 void PanelLayoutManager::OnWindowAddedToLayout(aura::Window* child) {
   if (child->type() == aura::client::WINDOW_TYPE_POPUP)
     return;
   if (in_add_window_)
@@ skipping 482 matching lines @@
         callout_bounds);
 
     SetChildBoundsDirect(callout_widget->GetNativeWindow(), callout_bounds);
     panel_container_->StackChildAbove(callout_widget->GetNativeWindow(),
                                       panel);
     callout_widget->Show();
 
     ui::Layer* layer = callout_widget->GetNativeWindow()->layer();
     // If the panel is not over the callout position or has just become visible
     // then fade in the callout.
-    if (distance_until_over_panel > 0 || layer->GetTargetOpacity() < 1) {
+    if ((distance_until_over_panel > 0 || layer->GetTargetOpacity() < 1) &&
+        panel->layer()->GetTargetTransform().IsIdentity()) {
       if (distance_until_over_panel > 0 &&
           slide_distance >= distance_until_over_panel) {
         layer->SetOpacity(0);
         // If the panel is not yet over the callout, then delay fading in
         // the callout until after the panel should be over it.
         int delay = kPanelSlideDurationMilliseconds *
             distance_until_over_panel / slide_distance;
         layer->SetOpacity(0);
         layer->GetAnimator()->StopAnimating();
         layer->GetAnimator()->SchedulePauseForProperties(
@@ skipping 18 matching lines @@
 
 void PanelLayoutManager::OnKeyboardBoundsChanging(
     const gfx::Rect& keyboard_bounds) {
   // This bounds change will have caused a change to the Shelf which does not
   // propogate automatically to this class, so manually recalculate bounds.
   OnWindowResized();
 }
 
 }  // namespace internal
 }  // namespace ash