Shuffles and renames ash/common/wm classes

ash/common/wm/dock/docked_window_layout_manager.h

 // Copyright (c) 2013 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 ASH_COMMON_WM_DOCK_DOCKED_WINDOW_LAYOUT_MANAGER_H_
 #define ASH_COMMON_WM_DOCK_DOCKED_WINDOW_LAYOUT_MANAGER_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
 #include "ash/common/wm/dock/dock_types.h"
 #include "ash/common/wm/dock/docked_window_layout_manager_observer.h"
 #include "ash/common/wm/window_state_observer.h"
-#include "ash/common/wm/wm_activation_observer.h"
-#include "ash/common/wm/wm_root_window_controller_observer.h"
 #include "ash/common/wm/wm_snap_to_pixel_layout_manager.h"
-#include "ash/common/wm/wm_window_observer.h"
+#include "ash/common/wm_activation_observer.h"
+#include "ash/common/wm_root_window_controller_observer.h"
+#include "ash/common/wm_window_observer.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "base/time/time.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/keyboard/keyboard_controller_observer.h"
 
 namespace ash {
 class DockedBackgroundWidget;
 class DockedWindowLayoutManagerObserver;
 class DockedWindowResizerTest;
 class Shelf;
+class WmRootWindowController;
 
 namespace wm {
-class WmRootWindowController;
 class WmShelf;
 }
 
 // DockedWindowLayoutManager is responsible for organizing windows when they are
 // docked to the side of a screen. It is associated with a specific container
 // window (i.e. kShellWindowId_DockedContainer) and controls the layout of any
 // windows added to that container.
 //
 // The constructor takes a |dock_container| argument which is expected to set
 // its layout manager to this instance, e.g.:
 // dock_container->SetLayoutManager(
 //     new DockedWindowLayoutManager(dock_container));
 //
 // TODO(varkha): extend BaseLayoutManager instead of LayoutManager to inherit
 // common functionality.
 class ASH_EXPORT DockedWindowLayoutManager
     : public wm::WmSnapToPixelLayoutManager,
-      public wm::WmRootWindowControllerObserver,
-      public wm::WmWindowObserver,
-      public wm::WmActivationObserver,
+      public WmRootWindowControllerObserver,
+      public WmWindowObserver,
+      public WmActivationObserver,
       public keyboard::KeyboardControllerObserver,
       public wm::WindowStateObserver {
  public:
   // Maximum width of the docked windows area.
   static const int kMaxDockWidth;
 
   // Minimum width of the docked windows area.
   static const int kMinDockWidth;
 
-  explicit DockedWindowLayoutManager(wm::WmWindow* dock_container);
+  explicit DockedWindowLayoutManager(WmWindow* dock_container);
   ~DockedWindowLayoutManager() override;
 
   // Returns the DockedWindowLayoutManager in the specified hierarchy. This
   // searches from the root of |window|.
-  static DockedWindowLayoutManager* Get(wm::WmWindow* window);
+  static DockedWindowLayoutManager* Get(WmWindow* window);
 
   // Disconnects observers before container windows get destroyed.
   void Shutdown();
 
   // Management of the observer list.
   virtual void AddObserver(DockedWindowLayoutManagerObserver* observer);
   virtual void RemoveObserver(DockedWindowLayoutManagerObserver* observer);
 
   // Called by a DockedWindowResizer to update which window is being dragged.
   // Starts observing the window unless it is a child.
-  void StartDragging(wm::WmWindow* window);
+  void StartDragging(WmWindow* window);
 
   // Called by a DockedWindowResizer when a dragged window is docked.
-  void DockDraggedWindow(wm::WmWindow* window);
+  void DockDraggedWindow(WmWindow* window);
 
   // Called by a DockedWindowResizer when a dragged window is no longer docked.
   void UndockDraggedWindow();
 
   // Called by a DockedWindowResizer when a window is no longer being dragged.
   // Stops observing the window unless it is a child.
   // Records |action| by |source| in UMA.
   void FinishDragging(DockedAction action, DockedActionSource source);
 
   // Checks the rules and possibly updates the docked layout to match
   // the |alignment|. May not apply the |alignment| when
   // the current shelf alignment conflicts. Never clears the |alignment_|.
   void MaybeSetDesiredDockedAlignment(DockedAlignment alignment);
 
   wm::WmShelf* shelf() { return shelf_; }
   void SetShelf(wm::WmShelf* shelf);
 
   // Calculates if a window is touching the screen edges and returns edge.
-  DockedAlignment GetAlignmentOfWindow(const wm::WmWindow* window) const;
+  DockedAlignment GetAlignmentOfWindow(const WmWindow* window) const;
 
   // Used to snap docked windows to the side of screen during drag.
   DockedAlignment CalculateAlignment() const;
 
   void set_preferred_alignment(DockedAlignment preferred_alignment) {
     preferred_alignment_ = preferred_alignment;
   }
 
   void set_event_source(DockedActionSource event_source) {
     event_source_ = event_source;
   }
 
   // Returns true when a window can be docked. Windows cannot be docked at the
   // edge used by the shelf or the edge opposite from existing dock.
-  bool CanDockWindow(wm::WmWindow* window, DockedAlignment desired_alignment);
+  bool CanDockWindow(WmWindow* window, DockedAlignment desired_alignment);
 
-  wm::WmWindow* dock_container() const { return dock_container_; }
+  WmWindow* dock_container() const { return dock_container_; }
 
   // Returns current bounding rectangle of docked windows area.
   const gfx::Rect& docked_bounds() const { return docked_bounds_; }
 
   // Returns last known coordinates of |dragged_window_| after Relayout.
   const gfx::Rect dragged_bounds() const { return dragged_bounds_; }
 
   // Returns true if currently dragged window is docked at the screen edge.
   bool is_dragged_window_docked() const { return is_dragged_window_docked_; }
 
   // Updates docked layout when shelf bounds change.
   void OnShelfBoundsChanged();
 
   // SnapLayoutManager:
   void OnWindowResized() override;
-  void OnWindowAddedToLayout(wm::WmWindow* child) override;
-  void OnWillRemoveWindowFromLayout(wm::WmWindow* child) override {}
-  void OnWindowRemovedFromLayout(wm::WmWindow* child) override;
-  void OnChildWindowVisibilityChanged(wm::WmWindow* child,
-                                      bool visibile) override;
-  void SetChildBounds(wm::WmWindow* child,
+  void OnWindowAddedToLayout(WmWindow* child) override;
+  void OnWillRemoveWindowFromLayout(WmWindow* child) override {}
+  void OnWindowRemovedFromLayout(WmWindow* child) override;
+  void OnChildWindowVisibilityChanged(WmWindow* child, bool visibile) override;
+  void SetChildBounds(WmWindow* child,
                       const gfx::Rect& requested_bounds) override;
 
-  // wm::WmRootWindowControllerObserver:
+  // WmRootWindowControllerObserver:
   void OnWorkAreaChanged() override;
   void OnFullscreenStateChanged(bool is_fullscreen) override;
   void OnShelfAlignmentChanged() override;
 
   // wm::WindowStateObserver:
   void OnPreWindowStateTypeChange(wm::WindowState* window_state,
                                   wm::WindowStateType old_type) override;
 
-  // wm::WmWindowObserver:
-  void OnWindowBoundsChanged(wm::WmWindow* window,
+  // WmWindowObserver:
+  void OnWindowBoundsChanged(WmWindow* window,
                              const gfx::Rect& old_bounds,
                              const gfx::Rect& new_bounds) override;
-  void OnWindowVisibilityChanging(wm::WmWindow* window, bool visible) override;
-  void OnWindowDestroying(wm::WmWindow* window) override;
+  void OnWindowVisibilityChanging(WmWindow* window, bool visible) override;
+  void OnWindowDestroying(WmWindow* window) override;
 
-  // wm::WmActivationObserver:
-  void OnWindowActivated(wm::WmWindow* gained_active,
-                         wm::WmWindow* lost_active) override;
+  // WmActivationObserver:
+  void OnWindowActivated(WmWindow* gained_active,
+                         WmWindow* lost_active) override;
 
  private:
   struct CompareMinimumHeight;
   struct CompareWindowPos;
   class ShelfWindowObserver;
   struct WindowWithHeight;
 
   friend class DockedWindowLayoutManagerTest;
   friend class DockedWindowResizerTest;
 
   // Width of the gap between the docked windows and a workspace.
   static const int kMinDockGap;
 
   // Ideal (starting) width of the dock.
   static const int kIdealWidth;
 
   // Returns the alignment of the docked windows other than the |child|.
-  DockedAlignment CalculateAlignmentExcept(const wm::WmWindow* child) const;
+  DockedAlignment CalculateAlignmentExcept(const WmWindow* child) const;
 
   // Determines if the |alignment| is applicable taking into account
   // the shelf alignment.
   bool IsDockedAlignmentValid(DockedAlignment alignment) const;
 
   // Keep at most kMaxVisibleWindows visible in the dock and minimize the rest
   // (except for |child|).
-  void MaybeMinimizeChildrenExcept(wm::WmWindow* child);
+  void MaybeMinimizeChildrenExcept(WmWindow* child);
 
   // Minimize / restore window and relayout.
   void MinimizeDockedWindow(wm::WindowState* window_state);
   void RestoreDockedWindow(wm::WindowState* window_state);
 
   // Record user-initiated |action| by |source| in UMA metrics.
   void RecordUmaAction(DockedAction action, DockedActionSource source);
 
   // Updates |docked_width_| and UMA histograms.
   void UpdateDockedWidth(int width);
 
   // Updates docked layout state when a window gets inside the dock.
-  void OnDraggedWindowDocked(wm::WmWindow* window);
+  void OnDraggedWindowDocked(WmWindow* window);
 
   // Updates docked layout state when a window gets outside the dock.
   void OnDraggedWindowUndocked();
 
   // Returns true if there are any windows currently docked.
   bool IsAnyWindowDocked();
 
   // Returns DOCKED_ALIGNMENT_LEFT if the |window|'s left edge is closer to
   // the |dock_container_|'s left edge than the |window|'s right edge to
   // the |dock_container_|'s right edge. Returns DOCKED_ALIGNMENT_RIGHT
   // otherwise.
-  DockedAlignment GetEdgeNearestWindow(const wm::WmWindow* window) const;
+  DockedAlignment GetEdgeNearestWindow(const WmWindow* window) const;
 
   // Called whenever the window layout might change.
   void Relayout();
 
   // Calculates target heights (and fills it in |visible_windows| array) such
   // that the vertical space is fairly distributed among the windows taking
   // into account their minimum and maximum size. Returns free vertical space
   // (positive value) that remains after resizing all windows or deficit
   // (negative value) if not all the windows fit.
   int CalculateWindowHeightsAndRemainingRoom(
@@ skipping 12 matching lines @@
                       int available_room,
                       std::vector<WindowWithHeight>* visible_windows);
 
   // Updates |docked_bounds_| and workspace insets when bounds of docked windows
   // area change. Passing |reason| to observers allows selectively skipping
   // notifications.
   void UpdateDockBounds(DockedWindowLayoutManagerObserver::Reason reason);
 
   // Called whenever the window stacking order needs to be updated (e.g. focus
   // changes or a window is moved).
-  void UpdateStacking(wm::WmWindow* active_window);
+  void UpdateStacking(WmWindow* active_window);
 
   // keyboard::KeyboardControllerObserver:
   void OnKeyboardBoundsChanging(const gfx::Rect& keyboard_bounds) override;
 
   // Parent window associated with this layout manager.
-  wm::WmWindow* dock_container_;
+  WmWindow* dock_container_;
 
-  wm::WmRootWindowController* root_window_controller_;
+  WmRootWindowController* root_window_controller_;
 
   // Protect against recursive calls to Relayout().
   bool in_layout_;
 
   // A window that is being dragged (whether docked or not).
   // Windows are tracked by docked layout manager only if they are docked;
   // however we need to know if a window is being dragged in order to avoid
   // positioning it or even considering it for layout.
-  wm::WmWindow* dragged_window_;
+  WmWindow* dragged_window_;
 
   // True if the window being dragged is currently docked.
   bool is_dragged_window_docked_;
 
   // Previously docked windows use a more relaxed dragging sorting algorithm
   // that uses assumption that a window starts being dragged out of position
   // that was previously established in Relayout. This allows easier reordering.
   bool is_dragged_from_dock_;
 
   // The shelf to respond to alignment changes.
@@ skipping 14 matching lines @@
   DockedAlignment alignment_;
 
   // The preferred alignment of the next window to be added to docked layout.
   DockedAlignment preferred_alignment_;
 
   // The current event source
   DockedActionSource event_source_;
 
   // The last active window. Used to maintain stacking order even if no windows
   // are currently focused.
-  wm::WmWindow* last_active_window_;
+  WmWindow* last_active_window_;
 
   // Timestamp of the last user-initiated action that changed docked state.
   // Used in UMA metrics.
   base::Time last_action_time_;
 
   // Observes shelf for bounds changes.
   std::unique_ptr<ShelfWindowObserver> shelf_observer_;
 
   // Widget used to paint a background for the docked area.
   std::unique_ptr<DockedBackgroundWidget> background_widget_;
 
   // Observers of dock bounds changes.
   base::ObserverList<DockedWindowLayoutManagerObserver> observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(DockedWindowLayoutManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_DOCK_DOCKED_WINDOW_LAYOUT_MANAGER_H_