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- // 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_
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