arc: Support running Arc app in shelf

chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.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 CHROME_BROWSER_UI_ASH_LAUNCHER_ARC_APP_WINDOW_LAUNCHER_CONTROLLER_H_
+#define CHROME_BROWSER_UI_ASH_LAUNCHER_ARC_APP_WINDOW_LAUNCHER_CONTROLLER_H_
+
+#include <map>
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/scoped_observer.h"
+#include "chrome/browser/ui/ash/launcher/app_window_launcher_controller.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "ui/aura/env_observer.h"
+#include "ui/aura/window_observer.h"
+
+namespace aura {
+class Window;
+}
+
+class ArcAppWindowLauncherItemController;
+class ChromeLauncherController;
+
+class ArcAppWindowLauncherController : public AppWindowLauncherController,
+                                       public aura::EnvObserver,
+                                       public aura::WindowObserver {
+ public:
+  explicit ArcAppWindowLauncherController(ChromeLauncherController* owner);
+  ~ArcAppWindowLauncherController() override;
+
+  // aura::EnvObserver:
+  void OnWindowInitialized(aura::Window* window) override;
+
+  // aura::WindowObserver:
+  void OnWindowDestroying(aura::Window* window) override;
+  void OnWindowPropertyChanged(aura::Window* window,
+                               const void* key,
+                               intptr_t old) override;
+
+ private:
+  class AppWindow;
+
+  using WindowToAppWindow = std::map<aura::Window*, scoped_ptr<AppWindow>>;
+  using AppControllerMap =
+      std::map<std::string, ArcAppWindowLauncherItemController*>;
+
+  AppWindow* GetAppWindowForTask(int task_id);
+
+  void OnGetTaskInfo(int task_id,
+                     mojo::String package_name,
+                     mojo::String activity_name);
+
+  // AppWindowLauncherController:
+  AppWindowLauncherItemController* ControllerForWindow(
+      aura::Window* window) override;
+
+  WindowToAppWindow window_to_app_window_;
+  AppControllerMap app_controller_map_;
+  ScopedObserver<aura::Window, aura::WindowObserver> observed_windows_;
+  base::WeakPtrFactory<ArcAppWindowLauncherController> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(ArcAppWindowLauncherController);
+};
+
+#endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_ARC_APP_WINDOW_LAUNCHER_CONTROLLER_H_