mandoline filesystem: Save cookie data to the mojo:filesystem.

components/filesystem/file_system_app.h

 // Copyright 2015 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 COMPONENTS_FILESYSTEM_FILE_SYSTEM_APP_H_
 #define COMPONENTS_FILESYSTEM_FILE_SYSTEM_APP_H_
 
 #include "base/macros.h"
+#include "components/filesystem/directory_impl.h"
 #include "components/filesystem/file_system_impl.h"
 #include "components/filesystem/public/interfaces/file_system.mojom.h"
 #include "mojo/application/public/cpp/application_delegate.h"
 #include "mojo/application/public/cpp/interface_factory.h"
 
+namespace mojo {
+class ApplicationImpl;
+}
+
 namespace filesystem {
 
 class FileSystemApp : public mojo::ApplicationDelegate,
                       public mojo::InterfaceFactory<FileSystem> {
  public:
   FileSystemApp();
   ~FileSystemApp() override;
 
+  // Called by individual FileSystem objects to register lifetime events.
+  void RegisterDirectoryToClient(DirectoryImpl* directory,
+                                 FileSystemClientPtr client);
+
  private:
+  // We set the DirectoryImpl's error handler to this function. When we
+  // actually take a

[jam, 2015/07/13 15:48:33]

nit: rest of comment?

+  void OnDirectoryConnectionError(DirectoryImpl* directory);
+
   // |ApplicationDelegate| override:
+  void Initialize(mojo::ApplicationImpl* app) override;
   bool ConfigureIncomingConnection(
       mojo::ApplicationConnection* connection) override;
+  bool OnShellConnectionError() override;
 
   // |InterfaceFactory<Files>| implementation:
   void Create(mojo::ApplicationConnection* connection,
               mojo::InterfaceRequest<FileSystem> request) override;
 
+  // Use a vector to work around map not letting us use FileSystemClientPtr as
+  // a value in a std::map. The move constructors are to allow us to deal with
+  // FileSystemClientPtr inside a vector.
+  struct Client {
+    Client(DirectoryImpl* directory, FileSystemClientPtr fs_client);
+    Client(Client&& rhs);
+    ~Client();
+
+    Client& operator=(Client&& rhs);
+
+    DirectoryImpl* directory_;
+    FileSystemClientPtr fs_client_;
+  };
+  std::vector<Client> client_mapping_;
+
+  mojo::ApplicationImpl* app_;
+
+  // Set to true when our shell connection is closed. On connection error, we
+  // then broadcast a notification to all FileSystemClients that they should
+  // shut down. Once the final one does, then we QuitNow().
+  bool in_shutdown_;
+
   DISALLOW_COPY_AND_ASSIGN(FileSystemApp);
 };
 
 }  // namespace filesystem
 
 #endif  // COMPONENTS_FILESYSTEM_FILE_SYSTEM_APP_H_