Initial cut of ash/wm/common classes for mus

mash/wm/bridge/wm_window_mus.h

+// Copyright 2016 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 MASH_WM_BRIDGE_WM_WINDOW_MUS_H_
+#define MASH_WM_BRIDGE_WM_WINDOW_MUS_H_
+
+#include <memory>
+
+#include "ash/wm/common/wm_window.h"
+#include "base/macros.h"
+#include "base/observer_list.h"
+#include "components/mus/public/cpp/window_observer.h"
+
+namespace ash {
+namespace wm {
+class WmLayoutManager;
+}
+}
+
+namespace views {
+class Widget;
+}
+
+namespace mash {
+namespace wm {
+
+class MusLayoutManagerAdapter;
+class WmRootWindowControllerMus;
+
+// WmWindow implementation for mus.
+//
+// WmWindowMus is tied to the life of the underlying mus::Window (it is stored
+// as an owned property).
+class WmWindowMus : public ash::wm::WmWindow, public mus::WindowObserver {
+ public:
+  explicit WmWindowMus(mus::Window* window);
+  // NOTE: this class is owned by the corresponding window. You shouldn't delete
+  // TODO(sky): friend deleter and make private.
+  ~WmWindowMus() override;
+
+  // Returns a WmWindow for an mus::Window, creating if necessary.
+  static WmWindowMus* Get(mus::Window* window);
+
+  static WmWindowMus* Get(views::Widget* widget);
+
+  static mus::Window* GetMusWindow(ash::wm::WmWindow* wm_window) {
+    return const_cast<mus::Window*>(
+        GetMusWindow(const_cast<const ash::wm::WmWindow*>(wm_window)));
+  }
+  static const mus::Window* GetMusWindow(const ash::wm::WmWindow* wm_window);
+
+  static std::vector<WmWindow*> FromMusWindows(
+      const std::vector<mus::Window*>& mus_windows);
+
+  // Sets the widget associated with the window. The widget is used to query
+  // state, such as min/max size. The widget is not owned by the WmWindowMus.
+  void set_widget(views::Widget* widget) { widget_ = widget; }
+
+  mus::Window* mus_window() { return window_; }
+  const mus::Window* mus_window() const { return window_; }
+
+  WmRootWindowControllerMus* GetRootWindowControllerMus() {
+    return const_cast<WmRootWindowControllerMus*>(
+        const_cast<const WmWindowMus*>(this)->GetRootWindowControllerMus());
+  }
+  const WmRootWindowControllerMus* GetRootWindowControllerMus() const;
+
+  static WmWindowMus* AsWmWindowMus(ash::wm::WmWindow* window) {
+    return static_cast<WmWindowMus*>(window);
+  }
+  static const WmWindowMus* AsWmWindowMus(const ash::wm::WmWindow* window) {
+    return static_cast<const WmWindowMus*>(window);
+  }
+
+  // WmWindow:
+  const ash::wm::WmWindow* GetRootWindow() const override;
+  ash::wm::WmRootWindowController* GetRootWindowController() override;
+  ash::wm::WmGlobals* GetGlobals() const override;
+  void SetShellWindowId(int id) override;
+  int GetShellWindowId() const override;
+  ash::wm::WmWindow* GetChildByShellWindowId(int id) override;
+  ui::wm::WindowType GetType() const override;
+  ui::Layer* GetLayer() override;
+  display::Display GetDisplayNearestWindow() override;
+  bool HasNonClientArea() override;
+  int GetNonClientComponent(const gfx::Point& location) override;
+  gfx::Point ConvertPointToTarget(const ash::wm::WmWindow* target,
+                                  const gfx::Point& point) const override;
+  gfx::Point ConvertPointToScreen(const gfx::Point& point) const override;
+  gfx::Point ConvertPointFromScreen(const gfx::Point& point) const override;
+  gfx::Rect ConvertRectToScreen(const gfx::Rect& rect) const override;
+  gfx::Rect ConvertRectFromScreen(const gfx::Rect& rect) const override;
+  gfx::Size GetMinimumSize() const override;
+  gfx::Size GetMaximumSize() const override;
+  bool GetTargetVisibility() const override;
+  bool IsVisible() const override;
+  bool IsSystemModal() const override;
+  bool GetBoolProperty(ash::wm::WmWindowProperty key) override;
+  int GetIntProperty(ash::wm::WmWindowProperty key) override;
+  const ash::wm::WindowState* GetWindowState() const override;
+  ash::wm::WmWindow* GetToplevelWindow() override;
+  void SetParentUsingContext(ash::wm::WmWindow* context,
+                             const gfx::Rect& screen_bounds) override;
+  void AddChild(ash::wm::WmWindow* window) override;
+  ash::wm::WmWindow* GetParent() override;
+  const ash::wm::WmWindow* GetTransientParent() const override;
+  std::vector<ash::wm::WmWindow*> GetTransientChildren() override;
+  void SetLayoutManager(
+      std::unique_ptr<ash::wm::WmLayoutManager> layout_manager) override;
+  ash::wm::WmLayoutManager* GetLayoutManager() override;
+  void SetVisibilityAnimationType(int type) override;
+  void SetVisibilityAnimationDuration(base::TimeDelta delta) override;
+  void Animate(::wm::WindowAnimationType type) override;
+  void SetBounds(const gfx::Rect& bounds) override;
+  void SetBoundsWithTransitionDelay(const gfx::Rect& bounds,
+                                    base::TimeDelta delta) override;
+  void SetBoundsDirect(const gfx::Rect& bounds) override;
+  void SetBoundsDirectAnimated(const gfx::Rect& bounds) override;
+  void SetBoundsDirectCrossFade(const gfx::Rect& bounds) override;
+  void SetBoundsInScreen(const gfx::Rect& bounds_in_screen,
+                         const display::Display& dst_display) override;
+  gfx::Rect GetBoundsInScreen() const override;
+  const gfx::Rect& GetBounds() const override;
+  gfx::Rect GetTargetBounds() override;
+  void ClearRestoreBounds() override;
+  void SetRestoreBoundsInScreen(const gfx::Rect& bounds) override;
+  gfx::Rect GetRestoreBoundsInScreen() const override;
+  bool Contains(const ash::wm::WmWindow* other) const override;
+  void SetShowState(ui::WindowShowState show_state) override;
+  ui::WindowShowState GetShowState() const override;
+  void SetRestoreShowState(ui::WindowShowState show_state) override;
+  void SetLockedToRoot(bool value) override;
+  void SetCapture() override;
+  bool HasCapture() override;
+  void ReleaseCapture() override;
+  bool HasRestoreBounds() const override;
+  void SetAlwaysOnTop(bool value) override;
+  bool IsAlwaysOnTop() const override;
+  void Hide() override;
+  void Show() override;
+  bool IsFocused() const override;
+  bool IsActive() const override;
+  void Activate() override;
+  void Deactivate() override;
+  void SetFullscreen() override;
+  void Maximize() override;
+  void Minimize() override;
+  void Unminimize() override;
+  bool CanMaximize() const override;
+  bool CanMinimize() const override;
+  bool CanResize() const override;
+  bool CanActivate() const override;
+  void StackChildAtTop(ash::wm::WmWindow* child) override;
+  void StackChildAtBottom(ash::wm::WmWindow* child) override;
+  void StackChildAbove(ash::wm::WmWindow* child,
+                       ash::wm::WmWindow* target) override;
+  void StackChildBelow(ash::wm::WmWindow* child,
+                       ash::wm::WmWindow* target) override;
+  std::vector<ash::wm::WmWindow*> GetChildren() override;
+  void SnapToPixelBoundaryIfNecessary() override;
+  void AddObserver(ash::wm::WmWindowObserver* observer) override;
+  void RemoveObserver(ash::wm::WmWindowObserver* observer) override;
+
+ private:
+  void NotifyStackingChanged();
+
+  // mus::WindowObserver:
+  void OnTreeChanged(const TreeChangeParams& params) override;
+  void OnWindowReordered(mus::Window* window,
+                         mus::Window* relative_window,
+                         mus::mojom::OrderDirection direction) override;
+  void OnWindowSharedPropertyChanged(
+      mus::Window* window,
+      const std::string& name,
+      const std::vector<uint8_t>* old_data,
+      const std::vector<uint8_t>* new_data) override;
+  void OnWindowBoundsChanged(mus::Window* window,
+                             const gfx::Rect& old_bounds,
+                             const gfx::Rect& new_bounds) override;
+  void OnWindowDestroying(mus::Window* window) override;
+
+  mus::Window* window_;
+  std::unique_ptr<ash::wm::WindowState> window_state_;
+
+  views::Widget* widget_ = nullptr;
+
+  base::ObserverList<ash::wm::WmWindowObserver> observers_;
+
+  std::unique_ptr<MusLayoutManagerAdapter> layout_manager_adapter_;
+
+  std::unique_ptr<gfx::Rect> restore_bounds_in_screen_;
+
+  ui::WindowShowState restore_show_state_ = ui::SHOW_STATE_DEFAULT;
+
+  DISALLOW_COPY_AND_ASSIGN(WmWindowMus);
+};
+
+}  // namespace wm
+}  // namespace mash
+
+#endif  // MASH_WM_BRIDGE_WM_WINDOW_MUS_H_