Use mojo Shelf interfaces for both mash and classic ash.

ash/mus/shelf_delegate_mus.cc

 // 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.
 
 #include "ash/mus/shelf_delegate_mus.h"
 
-#include <memory>
-
-#include "ash/common/shelf/shelf_item_delegate.h"
-#include "ash/common/shelf/shelf_menu_model.h"
-#include "ash/common/shelf/shelf_model.h"
-#include "ash/common/shelf/shelf_widget.h"
-#include "ash/common/shelf/wm_shelf.h"
-#include "ash/common/wm_lookup.h"
-#include "ash/common/wm_root_window_controller.h"
+#include "ash/common/shelf/shelf_controller.h"
 #include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "base/strings/utf_string_conversions.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/display/display.h"
-#include "ui/display/screen.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/resources/grit/ui_resources.h"
+#include "base/strings/string_util.h"
 
 namespace ash {
 
-namespace {
-
-// A ShelfItemDelegate used for pinned items.
-// TODO(mash): Support open user windows, etc.
-class ShelfItemDelegateMus : public ShelfItemDelegate {
- public:
-  ShelfItemDelegateMus() {}
-  ~ShelfItemDelegateMus() override {}
-
-  void SetDelegate(mojom::ShelfItemDelegateAssociatedPtrInfo delegate) {
-    delegate_.Bind(std::move(delegate));
-  }
-
-  bool pinned() const { return pinned_; }
-  void set_pinned(bool pinned) { pinned_ = pinned; }
-
-  void AddWindow(uint32_t id, const base::string16& title) {
-    DCHECK(!window_id_to_title_.count(id));
-    window_id_to_title_.insert(std::make_pair(id, title));
-  }
-  void RemoveWindow(uint32_t id) { window_id_to_title_.erase(id); }
-  void SetWindowTitle(uint32_t id, const base::string16& title) {
-    DCHECK(window_id_to_title_.count(id));
-    window_id_to_title_[id] = title;
-  }
-  const std::map<uint32_t, base::string16>& window_id_to_title() const {
-    return window_id_to_title_;
-  }
-
-  const base::string16& title() { return title_; }
-  void set_title(const base::string16& title) { title_ = title; }
-
- private:
-  // This application menu model for ShelfItemDelegateMus lists open windows.
-  class ShelfMenuModelMus : public ShelfMenuModel,
-                            public ui::SimpleMenuModel::Delegate {
-   public:
-    explicit ShelfMenuModelMus(ShelfItemDelegateMus* item_delegate)
-        : ShelfMenuModel(this), item_delegate_(item_delegate) {
-      AddSeparator(ui::SPACING_SEPARATOR);
-      AddItem(0, item_delegate_->GetTitle());
-      AddSeparator(ui::SPACING_SEPARATOR);
-      for (const auto& window : item_delegate_->window_id_to_title())
-        AddItem(window.first, window.second);
-      AddSeparator(ui::SPACING_SEPARATOR);
-    }
-    ~ShelfMenuModelMus() override {}
-
-    // ShelfMenuModel:
-    bool IsCommandActive(int command_id) const override { return false; }
-
-    // ui::SimpleMenuModel::Delegate:
-    bool IsCommandIdChecked(int command_id) const override { return false; }
-    bool IsCommandIdEnabled(int command_id) const override {
-      return command_id > 0;
-    }
-    void ExecuteCommand(int command_id, int event_flags) override {
-      NOTIMPLEMENTED();
-    }
-
-   private:
-    ShelfItemDelegateMus* item_delegate_;
-
-    DISALLOW_COPY_AND_ASSIGN(ShelfMenuModelMus);
-  };
-
-  // ShelfItemDelegate:
-  ShelfItemDelegate::PerformedAction ItemSelected(
-      const ui::Event& event) override {
-    if (window_id_to_title_.empty()) {
-      delegate_->LaunchItem();
-      return kNewWindowCreated;
-    }
-    if (window_id_to_title_.size() == 1) {
-      // TODO(mash): Activate the window and return kExistingWindowActivated.
-      NOTIMPLEMENTED();
-    }
-    return kNoAction;
-  }
-
-  base::string16 GetTitle() override {
-    return window_id_to_title_.empty() ? title_
-                                       : window_id_to_title_.begin()->second;
-  }
-
-  bool CanPin() const override {
-    NOTIMPLEMENTED();
-    return true;
-  }
-
-  ShelfMenuModel* CreateApplicationMenu(int event_flags) override {
-    return new ShelfMenuModelMus(this);
-  }
-
-  bool IsDraggable() override {
-    NOTIMPLEMENTED();
-    return false;
-  }
-
-  bool ShouldShowTooltip() override { return true; }
-
-  void Close() override { NOTIMPLEMENTED(); }
-
-  mojom::ShelfItemDelegateAssociatedPtr delegate_;
-  bool pinned_ = false;
-  std::map<uint32_t, base::string16> window_id_to_title_;
-  base::string16 title_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShelfItemDelegateMus);
-};
-
-ShelfItemDelegateMus* GetShelfItemDelegate(ShelfID shelf_id) {
-  return static_cast<ShelfItemDelegateMus*>(
-      WmShell::Get()->shelf_model()->GetShelfItemDelegate(shelf_id));
-}
-
-// Returns an icon image from an SkBitmap, or the default shelf icon
-// image if the bitmap is empty. Assumes the bitmap is a 1x icon.
-// TODO(jamescook): Support other scale factors.
-gfx::ImageSkia GetShelfIconFromBitmap(const SkBitmap& bitmap) {
-  gfx::ImageSkia icon_image;
-  if (!bitmap.isNull()) {
-    icon_image = gfx::ImageSkia::CreateFrom1xBitmap(bitmap);
-  } else {
-    // Use default icon.
-    ResourceBundle& rb = ResourceBundle::GetSharedInstance();
-    icon_image = *rb.GetImageSkiaNamed(IDR_DEFAULT_FAVICON);
-  }
-  return icon_image;
-}
-
-}  // namespace
-
-ShelfDelegateMus::ShelfDelegateMus(ShelfModel* model) : model_(model) {}
+ShelfDelegateMus::ShelfDelegateMus() {}
 
 ShelfDelegateMus::~ShelfDelegateMus() {}
 
 ///////////////////////////////////////////////////////////////////////////////
 // ShelfDelegate:
 
-void ShelfDelegateMus::OnShelfCreated(WmShelf* shelf) {
-  // Notify observers, Chrome will set alignment and auto-hide from prefs.
-  int64_t display_id = shelf->GetWindow()->GetDisplayNearestWindow().id();
-  observers_.ForAllPtrs([display_id](mojom::ShelfObserver* observer) {
-    observer->OnShelfCreated(display_id);
-  });
-}
-
-void ShelfDelegateMus::OnShelfDestroyed(WmShelf* shelf) {}
-
-void ShelfDelegateMus::OnShelfAlignmentChanged(WmShelf* shelf) {
-  ShelfAlignment alignment = shelf->alignment();
-  int64_t display_id = shelf->GetWindow()->GetDisplayNearestWindow().id();
-  observers_.ForAllPtrs(
-      [alignment, display_id](mojom::ShelfObserver* observer) {
-        observer->OnAlignmentChanged(alignment, display_id);
-      });
-}
-
-void ShelfDelegateMus::OnShelfAutoHideBehaviorChanged(WmShelf* shelf) {
-  ShelfAutoHideBehavior behavior = shelf->auto_hide_behavior();
-  int64_t display_id = shelf->GetWindow()->GetDisplayNearestWindow().id();
-  observers_.ForAllPtrs([behavior, display_id](mojom::ShelfObserver* observer) {
-    observer->OnAutoHideBehaviorChanged(behavior, display_id);
-  });
-}
-
-void ShelfDelegateMus::OnShelfAutoHideStateChanged(WmShelf* shelf) {}
-
-void ShelfDelegateMus::OnShelfVisibilityStateChanged(WmShelf* shelf) {}
-
 ShelfID ShelfDelegateMus::GetShelfIDForAppID(const std::string& app_id) {
-  if (app_id_to_shelf_id_.count(app_id))
-    return app_id_to_shelf_id_[app_id];
+  if (WmShell::Get()->shelf_controller()->app_id_to_shelf_id().count(app_id))
+    return WmShell::Get()->shelf_controller()->app_id_to_shelf_id().at(app_id);
   return 0;
 }
 
 ShelfID ShelfDelegateMus::GetShelfIDForAppIDAndLaunchID(
     const std::string& app_id,
     const std::string& launch_id) {
   return ShelfDelegateMus::GetShelfIDForAppID(app_id);
 }
 
 bool ShelfDelegateMus::HasShelfIDToAppIDMapping(ShelfID id) const {
-  return shelf_id_to_app_id_.count(id) != 0;
+  return WmShell::Get()->shelf_controller()->shelf_id_to_app_id().count(id) > 0;
 }
 
 const std::string& ShelfDelegateMus::GetAppIDForShelfID(ShelfID id) {
-  if (shelf_id_to_app_id_.count(id))
-    return shelf_id_to_app_id_[id];
+  if (WmShell::Get()->shelf_controller()->shelf_id_to_app_id().count(id))
+    return WmShell::Get()->shelf_controller()->shelf_id_to_app_id().at(id);
   return base::EmptyString();
 }
 
 void ShelfDelegateMus::PinAppWithID(const std::string& app_id) {
   NOTIMPLEMENTED();
 }
 
 bool ShelfDelegateMus::IsAppPinned(const std::string& app_id) {
   NOTIMPLEMENTED();
   return false;
 }
 
 void ShelfDelegateMus::UnpinAppWithID(const std::string& app_id) {
   NOTIMPLEMENTED();
 }
 
-///////////////////////////////////////////////////////////////////////////////
-// mojom::ShelfController:
-
-void ShelfDelegateMus::AddObserver(
-    mojom::ShelfObserverAssociatedPtrInfo observer) {
-  mojom::ShelfObserverAssociatedPtr observer_ptr;
-  observer_ptr.Bind(std::move(observer));
-  // Notify the observer of the current state.
-  for (const auto& display : display::Screen::GetScreen()->GetAllDisplays()) {
-    WmWindow* root = WmShell::Get()->GetRootWindowForDisplayId(display.id());
-    WmShelf* shelf = root->GetRootWindowController()->GetShelf();
-    observer_ptr->OnAlignmentChanged(shelf->alignment(), display.id());
-    observer_ptr->OnAutoHideBehaviorChanged(shelf->auto_hide_behavior(),
-                                            display.id());
-  }
-  observers_.AddPtr(std::move(observer_ptr));
-}
-
-void ShelfDelegateMus::SetAlignment(ShelfAlignment alignment,
-                                    int64_t display_id) {
-  WmRootWindowController* root_window_controller =
-      WmLookup::Get()->GetRootWindowControllerWithDisplayId(display_id);
-  // The controller may be null for invalid ids or for displays being removed.
-  if (root_window_controller && root_window_controller->HasShelf())
-    root_window_controller->GetShelf()->SetAlignment(alignment);
-}
-
-void ShelfDelegateMus::SetAutoHideBehavior(ShelfAutoHideBehavior auto_hide,
-                                           int64_t display_id) {
-  WmRootWindowController* root_window_controller =
-      WmLookup::Get()->GetRootWindowControllerWithDisplayId(display_id);
-  // The controller may be null for invalid ids or for displays being removed.
-  if (root_window_controller && root_window_controller->HasShelf())
-    root_window_controller->GetShelf()->SetAutoHideBehavior(auto_hide);
-}
-
-void ShelfDelegateMus::PinItem(
-    mojom::ShelfItemPtr item,
-    mojom::ShelfItemDelegateAssociatedPtrInfo delegate) {
-  if (app_id_to_shelf_id_.count(item->app_id)) {
-    ShelfID shelf_id = app_id_to_shelf_id_[item->app_id];
-    ShelfItemDelegateMus* item_delegate = GetShelfItemDelegate(shelf_id);
-    item_delegate->SetDelegate(std::move(delegate));
-    item_delegate->set_pinned(true);
-    return;
-  }
-
-  ShelfID shelf_id = model_->next_id();
-  app_id_to_shelf_id_.insert(std::make_pair(item->app_id, shelf_id));
-  shelf_id_to_app_id_.insert(std::make_pair(shelf_id, item->app_id));
-
-  ShelfItem shelf_item;
-  shelf_item.type = TYPE_APP_SHORTCUT;
-  shelf_item.status = STATUS_CLOSED;
-  shelf_item.image = GetShelfIconFromBitmap(item->image);
-  model_->Add(shelf_item);
-
-  std::unique_ptr<ShelfItemDelegateMus> item_delegate(
-      new ShelfItemDelegateMus());
-  item_delegate->SetDelegate(std::move(delegate));
-  item_delegate->set_pinned(true);
-  item_delegate->set_title(base::UTF8ToUTF16(item->app_title));
-  model_->SetShelfItemDelegate(shelf_id, std::move(item_delegate));
-}
-
-void ShelfDelegateMus::UnpinItem(const std::string& app_id) {
-  if (!app_id_to_shelf_id_.count(app_id))
-    return;
-  ShelfID shelf_id = app_id_to_shelf_id_[app_id];
-  ShelfItemDelegateMus* item_delegate = GetShelfItemDelegate(shelf_id);
-  DCHECK(item_delegate->pinned());
-  item_delegate->set_pinned(false);
-  if (item_delegate->window_id_to_title().empty()) {
-    model_->RemoveItemAt(model_->ItemIndexByID(shelf_id));
-    app_id_to_shelf_id_.erase(app_id);
-    shelf_id_to_app_id_.erase(shelf_id);
-  }
-}
-
-void ShelfDelegateMus::SetItemImage(const std::string& app_id,
-                                    const SkBitmap& image) {
-  if (!app_id_to_shelf_id_.count(app_id))
-    return;
-  ShelfID shelf_id = app_id_to_shelf_id_[app_id];
-  int index = model_->ItemIndexByID(shelf_id);
-  DCHECK_GE(index, 0);
-  ShelfItem item = *model_->ItemByID(shelf_id);
-  item.image = GetShelfIconFromBitmap(image);
-  model_->Set(index, item);
-}
-
 }  // namespace ash