chromeos: Move files in //ash/common to //ash, part 1

ash/common/system/chromeos/palette/palette_tool_manager.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 ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_TOOL_MANAGER_H_
-#define ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_TOOL_MANAGER_H_
-
-#include <map>
-#include <memory>
-#include <vector>
-
-#include "ash/ash_export.h"
-#include "ash/common/system/chromeos/palette/palette_ids.h"
-#include "ash/common/system/chromeos/palette/palette_tool.h"
-#include "base/callback.h"
-#include "base/macros.h"
-
-namespace views {
-class View;
-}
-
-namespace ash {
-
-class PaletteTool;
-enum class PaletteGroup;
-enum class PaletteToolId;
-class WmWindow;
-
-struct ASH_EXPORT PaletteToolView {
-  PaletteGroup group;
-  PaletteToolId tool_id;
-  views::View* view;
-};
-
-class ASH_EXPORT PaletteToolManager : public PaletteTool::Delegate {
- public:
-  class Delegate {
-   public:
-    Delegate() {}
-    virtual ~Delegate() {}
-
-    // Hide the palette (if shown).
-    virtual void HidePalette() = 0;
-
-    // Hide the palette immediately, ie, do not display a hide animation.
-    virtual void HidePaletteImmediately() = 0;
-
-    // Called when the active tool has changed.
-    virtual void OnActiveToolChanged() = 0;
-
-    // Return the window associated with this palette.
-    virtual WmWindow* GetWindow() = 0;
-
-    // Record usage of each pen palette option.
-    virtual void RecordPaletteOptionsUsage(ash::PaletteTrayOptions option) = 0;
-
-    // Record mode cancellation of pen palette.
-    virtual void RecordPaletteModeCancellation(PaletteModeCancelType type) = 0;
-
-   private:
-    DISALLOW_COPY_AND_ASSIGN(Delegate);
-  };
-
-  // Creates the tool manager.
-  PaletteToolManager(Delegate* delegate);
-  ~PaletteToolManager() override;
-
-  // Adds the given |tool| to the tool manager. The tool is assumed to be in a
-  // deactivated state. This class takes ownership over |tool|.
-  void AddTool(std::unique_ptr<PaletteTool> tool);
-
-  // Activates tool_id and deactivates any other active tool in the same
-  // group as tool_id.
-  void ActivateTool(PaletteToolId tool_id);
-
-  // Deactivates the given tool.
-  void DeactivateTool(PaletteToolId tool_id);
-
-  // Returns true if the given tool is active.
-  bool IsToolActive(PaletteToolId tool_id);
-
-  // Returns the active tool for the given group.
-  PaletteToolId GetActiveTool(PaletteGroup group);
-
-  // Fetch the active tray icon for the given tool. Returns
-  // gfx::VectorIconId::VECTOR_ICON_NONE if not available.
-  const gfx::VectorIcon& GetActiveTrayIcon(PaletteToolId tool_id) const;
-
-  // Create views for all of the registered tools.
-  std::vector<PaletteToolView> CreateViews();
-
-  // Called when the views returned by CreateViews have been destroyed. This
-  // should clear any (now) stale references.
-  void NotifyViewsDestroyed();
-
-  // Helper method to disable any active tool in the given |group|.
-  void DisableActiveTool(PaletteGroup group);
-
- private:
-  // PaleteTool::Delegate overrides.
-  void EnableTool(PaletteToolId tool_id) override;
-  void DisableTool(PaletteToolId tool_id) override;
-  void HidePalette() override;
-  void HidePaletteImmediately() override;
-  WmWindow* GetWindow() override;
-  void RecordPaletteOptionsUsage(ash::PaletteTrayOptions option) override;
-  void RecordPaletteModeCancellation(PaletteModeCancelType type) override;
-
-  PaletteTool* FindToolById(PaletteToolId tool_id) const;
-
-  // Unowned pointer to the delegate to provide external functionality.
-  Delegate* delegate_;
-
-  // Unowned pointer to the active tool / group.
-  std::map<PaletteGroup, PaletteTool*> active_tools_;
-
-  // Owned list of all tools.
-  std::vector<std::unique_ptr<PaletteTool>> tools_;
-
-  DISALLOW_COPY_AND_ASSIGN(PaletteToolManager);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_TOOL_MANAGER_H_