| // 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 <string> |
| #include <vector> |
| |
| #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<ui::FileInfo> GetFilenames( |
| ui::EndpointType source, |
| const std::vector<uint8_t>& 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<void(scoped_refptr<base::RefCountedMemory>)>; |
| virtual void SendFileInfo(ui::EndpointType target, |
| const std::vector<ui::FileInfo>& 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<ui::FileInfo> ParseFileSystemSources( |
| const ui::DataTransferEndpoint* source, |
| const base::Pickle& pickle) const = 0; |
| }; |
| |
| } // namespace exo |
| |
| #endif // COMPONENTS_EXO_DATA_EXCHANGE_DELEGATE_H_ |