// Copyright 2017 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_EXO_DATA_EXCHANGE_DELEGATE_H_ #define COMPONENTS_EXO_DATA_EXCHANGE_DELEGATE_H_ #include #include #include "base/callback.h" #include "base/memory/scoped_refptr.h" namespace aura { class Window; } namespace base { class Pickle; class RefCountedMemory; } // namespace base namespace ui { class DataTransferEndpoint; struct FileInfo; enum class EndpointType; } // namespace ui namespace exo { // Interface for data exchange operations that are implemented in chrome such as // file drag and drop path translations and file sharing for VMs. class DataExchangeDelegate { public: virtual ~DataExchangeDelegate() {} // Returns the endpoint type of `window`. virtual ui::EndpointType GetDataTransferEndpointType( aura::Window* window) const = 0; // Read filenames from text/uri-list |data| which was provided by |source| // endpoint. Translates paths from source to host format. virtual std::vector GetFilenames( ui::EndpointType source, const std::vector& data) const = 0; // Returns the mime type which is used by |target| endpoint for a list of // file path URIs. virtual std::string GetMimeTypeForUriList(ui::EndpointType target) const = 0; // Sends the given list of |files| to |target| endpoint. Translates paths from // host format to the target and performs any required file sharing for VMs. using SendDataCallback = base::OnceCallback)>; virtual void SendFileInfo(ui::EndpointType target, const std::vector& files, SendDataCallback callback) const = 0; // Takes in |pickle| constructed by the web contents view and returns true if // it contains any valid filesystem URLs. virtual bool HasUrlsInPickle(const base::Pickle& pickle) const = 0; // Takes in |pickle| constructed by the web contents view containing // filesystem URLs. Provides translations for the specified |target| endpoint // and performs any required file sharing for VMs. virtual void SendPickle(ui::EndpointType target, const base::Pickle& pickle, SendDataCallback callback) = 0; // Reads pickle for FilesApp fs/sources with newline-separated filesystem // URLs. Validates that |source| is FilesApp. virtual std::vector ParseFileSystemSources( const ui::DataTransferEndpoint* source, const base::Pickle& pickle) const = 0; }; } // namespace exo #endif // COMPONENTS_EXO_DATA_EXCHANGE_DELEGATE_H_