Add "Open with <ARC-app-name>" items to the context menu

chrome/browser/chromeos/arc/open_with_menu_controller_delegate.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_CHROMEOS_ARC_OPEN_WITH_MENU_CONTROLLER_DELEGATE_H_
+#define CHROME_BROWSER_CHROMEOS_ARC_OPEN_WITH_MENU_CONTROLLER_DELEGATE_H_
+
+#include <set>
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "base/strings/string16.h"
+#include "base/timer/timer.h"
+#include "components/arc/common/intent_helper.mojom.h"
+#include "components/renderer_context_menu/render_view_context_menu_observer.h"
+#include "ui/base/models/simple_menu_model.h"
+#include "url/gurl.h"
+
+class RenderViewContextMenuProxy;
+
+namespace arc {
+
+class ArcBridgeService;
+
+// A class for populating "Open with <ARC app>" menu items in a renderer context
+// menu.
+class OpenWithMenuControllerDelegate {
+ public:
+  explicit OpenWithMenuControllerDelegate(ArcBridgeService* bridge_service);
+  ~OpenWithMenuControllerDelegate();
+
+  int Init(RenderViewContextMenuProxy* proxy,
+           int main_menu_id_start,
+           size_t num_main_menu_items,
+           const GURL& url);
+  void ExecuteCommand(int id);
+
+  static std::set<int> GetCommandIdsToEnableForTesting(size_t num_apps);
+  static std::set<int> GetCommandIdsToDisableForTesting(size_t num_apps);
+  static int GetIndexForCommandIdForTesting(int command_id);
+
+ private:
+  base::string16 GetLabelForCommandId(int command_id) const;
+  IntentHelperInstance* GetIntentHelper();
+
+  // A callback function called when a mojo IPC issued in InitMenu finishes.
+  void OnUrlHandlerList(mojo::Array<UrlHandlerInfoPtr> handlers);
+
+  // The callback function for base::RepeatingTimer. This function updates the
+  // "loading..." animation in the context-menu item.
+  void OnAnimationTimerExpired();
+
+  // The bridge service.
+  ArcBridgeService* const bridge_service_;
+
+  RenderViewContextMenuProxy* proxy_;
+  std::set<int> all_command_ids_;
+  int main_menu_id_start_;
+  size_t num_main_menu_items_;
+  GURL link_url_;
+  ui::SimpleMenuModel sub_menu_;
+
+  // The string used for animation until we receive a response from the ARC
+  // process. The current animation just adds periods at the end of this string:
+  //   'Loading' -> 'Loading.' -> 'Loading..' -> 'Loading...' (-> 'Loading')
+  base::string16 loading_message_;
+  size_t loading_frame_;
+
+  // A timer used for loading animation.
+  base::RepeatingTimer animation_timer_;
+
+  mojo::Array<UrlHandlerInfoPtr> handlers_;
+
+  // Always keep this the last member of this class to make sure it's the
+  // first thing to be destructed.
+  base::WeakPtrFactory<OpenWithMenuControllerDelegate> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(OpenWithMenuControllerDelegate);
+};
+
+}  // namespace arc
+
+#endif  // CHROME_BROWSER_CHROMEOS_ARC_OPEN_WITH_MENU_CONTROLLER_DELEGATE_H_