Adds WmWindow and converts WindowState to use it

ash/wm/maximize_mode/maximize_mode_window_state.cc

 // Copyright 2014 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/maximize_mode/maximize_mode_window_state.h"
 
 #include <utility>
 
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/common/wm_event.h"
 #include "ash/wm/coordinate_conversion.h"
 #include "ash/wm/maximize_mode/maximize_mode_window_manager.h"
 #include "ash/wm/window_animations.h"
 #include "ash/wm/window_properties.h"
+#include "ash/wm/window_state_aura.h"
 #include "ash/wm/window_state_delegate.h"
 #include "ash/wm/window_state_util.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace/workspace_window_resizer.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/views/view_constants_aura.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 namespace {
 
 // Returns the biggest possible size for a window which is about to be
 // maximized.
 gfx::Size GetMaximumSizeOfWindow(wm::WindowState* window_state) {
   DCHECK(window_state->CanMaximize() || window_state->CanResize());
 
-  gfx::Size workspace_size = ScreenUtil::GetMaximizedWindowBoundsInParent(
-      window_state->window()).size();
+  gfx::Size workspace_size =
+      ScreenUtil::GetMaximizedWindowBoundsInParent(window_state->aura_window())
+          .size();
 
-  aura::WindowDelegate* delegate = window_state->window()->delegate();
+  aura::WindowDelegate* delegate = window_state->aura_window()->delegate();
   if (!delegate)
     return workspace_size;
 
   gfx::Size size = delegate->GetMaximumSize();
   if (size.IsEmpty())
     return workspace_size;
 
   size.SetToMin(workspace_size);
   return size;
 }
 
 // Returns the centered bounds of the given bounds in the work area.
 gfx::Rect GetCenteredBounds(const gfx::Rect& bounds_in_parent,
                             wm::WindowState* state_object) {
   gfx::Rect work_area_in_parent =
-      ScreenUtil::GetDisplayWorkAreaBoundsInParent(state_object->window());
+      ScreenUtil::GetDisplayWorkAreaBoundsInParent(state_object->aura_window());
   work_area_in_parent.ClampToCenteredSize(bounds_in_parent.size());
   return work_area_in_parent;
 }
 
 // Returns the maximized/full screen and/or centered bounds of a window.
 gfx::Rect GetBoundsInMaximizedMode(wm::WindowState* state_object) {
   if (state_object->IsFullscreen())
-    return ScreenUtil::GetDisplayBoundsInParent(state_object->window());
+    return ScreenUtil::GetDisplayBoundsInParent(state_object->aura_window());
 
   gfx::Rect bounds_in_parent;
   // Make the window as big as possible.
   if (state_object->CanMaximize() || state_object->CanResize()) {
     bounds_in_parent.set_size(GetMaximumSizeOfWindow(state_object));
   } else {
     // We prefer the user given window dimensions over the current windows
     // dimensions since they are likely to be the result from some other state
     // object logic.
     if (state_object->HasRestoreBounds())
       bounds_in_parent = state_object->GetRestoreBoundsInParent();
     else
-      bounds_in_parent = state_object->window()->bounds();
+      bounds_in_parent = state_object->aura_window()->bounds();
   }
   return GetCenteredBounds(bounds_in_parent, state_object);
 }
 
 }  // namespace
 
 // static
 void MaximizeModeWindowState::UpdateWindowPosition(
     wm::WindowState* window_state) {
   gfx::Rect bounds_in_parent = GetBoundsInMaximizedMode(window_state);
-  if (bounds_in_parent == window_state->window()->bounds())
+  if (bounds_in_parent == window_state->aura_window()->bounds())
     return;
   window_state->SetBoundsDirect(bounds_in_parent);
 }
 
 MaximizeModeWindowState::MaximizeModeWindowState(
     aura::Window* window, MaximizeModeWindowManager* creator)
     : window_(window),
       creator_(creator),
       current_state_type_(wm::GetWindowState(window)->GetStateType()),
       defer_bounds_updates_(false) {
@@ skipping 61 matching lines @@
         if (!bounds_in_parent.IsEmpty())
           window_state->SetRestoreBoundsInParent(bounds_in_parent);
       } else if (current_state_type_ != wm::WINDOW_STATE_TYPE_MINIMIZED &&
                  current_state_type_ != wm::WINDOW_STATE_TYPE_MAXIMIZED &&
                  current_state_type_ != wm::WINDOW_STATE_TYPE_FULLSCREEN) {
         // In all other cases (except for minimized windows) we respect the
         // requested bounds and center it to a fully visible area on the screen.
         gfx::Rect bounds_in_parent =
             (static_cast<const wm::SetBoundsEvent*>(event))->requested_bounds();
         bounds_in_parent = GetCenteredBounds(bounds_in_parent, window_state);
-        if (bounds_in_parent != window_state->window()->bounds()) {
+        if (bounds_in_parent != window_state->aura_window()->bounds()) {
           if (window_state->window()->IsVisible())
             window_state->SetBoundsDirectAnimated(bounds_in_parent);
           else
             window_state->SetBoundsDirect(bounds_in_parent);
         }
       }
       break;
     case wm::WM_EVENT_ADDED_TO_WORKSPACE:
       if (current_state_type_ != wm::WINDOW_STATE_TYPE_MAXIMIZED &&
           current_state_type_ != wm::WINDOW_STATE_TYPE_FULLSCREEN &&
@@ skipping 18 matching lines @@
 wm::WindowStateType MaximizeModeWindowState::GetType() const {
   return current_state_type_;
 }
 
 void MaximizeModeWindowState::AttachState(
     wm::WindowState* window_state,
     wm::WindowState::State* previous_state) {
   current_state_type_ = previous_state->GetType();
 
   views::Widget* widget =
-      views::Widget::GetWidgetForNativeWindow(window_state->window());
+      views::Widget::GetWidgetForNativeWindow(window_state->aura_window());
   if (widget) {
     gfx::Rect bounds = widget->GetRestoredBounds();
     if (!bounds.IsEmpty()) {
       // We do not want to do a session restore to our window states. Therefore
       // we tell the window to use the current default states instead.
-      window_state->window()->SetProperty(ash::kRestoreShowStateOverrideKey,
-                                          window_state->GetShowState());
-      window_state->window()->SetProperty(ash::kRestoreBoundsOverrideKey,
+      window_state->aura_window()->SetProperty(
+          ash::kRestoreShowStateOverrideKey, window_state->GetShowState());
+      window_state->aura_window()->SetProperty(
+          ash::kRestoreBoundsOverrideKey,
           new gfx::Rect(widget->GetRestoredBounds()));
     }
   }
 
   // Initialize the state to a good preset.
   if (current_state_type_ != wm::WINDOW_STATE_TYPE_MAXIMIZED &&
       current_state_type_ != wm::WINDOW_STATE_TYPE_MINIMIZED &&
       current_state_type_ != wm::WINDOW_STATE_TYPE_FULLSCREEN) {
     UpdateWindow(window_state,
                  GetMaximizedOrCenteredWindowType(window_state),
                  true);
   }
 
   window_state->set_can_be_dragged(false);
 }
 
 void MaximizeModeWindowState::DetachState(wm::WindowState* window_state) {
   // From now on, we can use the default session restore mechanism again.
-  window_state->window()->ClearProperty(ash::kRestoreBoundsOverrideKey);
+  window_state->aura_window()->ClearProperty(ash::kRestoreBoundsOverrideKey);
   window_state->set_can_be_dragged(true);
 }
 
 void MaximizeModeWindowState::UpdateWindow(wm::WindowState* window_state,
                                            wm::WindowStateType target_state,
                                            bool animated) {
   DCHECK(target_state == wm::WINDOW_STATE_TYPE_MINIMIZED ||
          target_state == wm::WINDOW_STATE_TYPE_MAXIMIZED ||
          (target_state == wm::WINDOW_STATE_TYPE_NORMAL &&
               !window_state->CanMaximize()) ||
          target_state == wm::WINDOW_STATE_TYPE_FULLSCREEN);
 
   if (target_state == wm::WINDOW_STATE_TYPE_MINIMIZED) {
     if (current_state_type_ == wm::WINDOW_STATE_TYPE_MINIMIZED)
       return;
 
     current_state_type_ = target_state;
     ::wm::SetWindowVisibilityAnimationType(
-        window_state->window(), WINDOW_VISIBILITY_ANIMATION_TYPE_MINIMIZE);
+        window_state->aura_window(), WINDOW_VISIBILITY_ANIMATION_TYPE_MINIMIZE);
     window_state->window()->Hide();
     if (window_state->IsActive())
       window_state->Deactivate();
     return;
   }
 
   if (current_state_type_ == target_state) {
     // If the state type did not change, update it accordingly.
     UpdateBounds(window_state, animated);
     return;
   }
 
   const wm::WindowStateType old_state_type = current_state_type_;
   current_state_type_ = target_state;
   window_state->UpdateWindowShowStateFromStateType();
   window_state->NotifyPreStateTypeChange(old_state_type);
   UpdateBounds(window_state, animated);
   window_state->NotifyPostStateTypeChange(old_state_type);
 
-  if ((window_state->window()->TargetVisibility() ||
-      old_state_type == wm::WINDOW_STATE_TYPE_MINIMIZED) &&
-      !window_state->window()->layer()->visible()) {
+  if ((window_state->aura_window()->TargetVisibility() ||
+       old_state_type == wm::WINDOW_STATE_TYPE_MINIMIZED) &&
+      !window_state->aura_window()->layer()->visible()) {
     // The layer may be hidden if the window was previously minimized. Make
     // sure it's visible.
     window_state->window()->Show();
   }
 }
 
 wm::WindowStateType MaximizeModeWindowState::GetMaximizedOrCenteredWindowType(
       wm::WindowState* window_state) {
   return window_state->CanMaximize() ? wm::WINDOW_STATE_TYPE_MAXIMIZED :
                                        wm::WINDOW_STATE_TYPE_NORMAL;
 }
 
 void MaximizeModeWindowState::UpdateBounds(wm::WindowState* window_state,
                                            bool animated) {
   if (defer_bounds_updates_)
     return;
   gfx::Rect bounds_in_parent = GetBoundsInMaximizedMode(window_state);
   // If we have a target bounds rectangle, we center it and set it
   // accordingly.
   if (!bounds_in_parent.IsEmpty() &&
-      bounds_in_parent != window_state->window()->bounds()) {
+      bounds_in_parent != window_state->aura_window()->bounds()) {
     if (current_state_type_ == wm::WINDOW_STATE_TYPE_MINIMIZED ||
         !window_state->window()->IsVisible() ||
         !animated) {
       window_state->SetBoundsDirect(bounds_in_parent);
     } else {
       // If we animate (to) maximized mode, we want to use the cross fade to
       // avoid flashing.
       if (window_state->IsMaximized())
         window_state->SetBoundsDirectCrossFade(bounds_in_parent);
       else
         window_state->SetBoundsDirectAnimated(bounds_in_parent);
     }
   }
 }
 
 }  // namespace ash