blob: 27a541950dd93a91d72b5d22f7db352e54e84378 [file] [log] [blame]
// 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.
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "ui/aura/aura_export.h"
#include "ui/base/dragdrop/os_exchange_data.h"
#include "ui/gfx/geometry/vector2d.h"
#include "ui/gfx/image/image_skia.h"
namespace aura {
// Translates chrome's requests for various data types to a platform specific
// type. In the case of mus, this is a mapping of MIME types to byte arrays.
// TODO(erg): In the long run, there's a lot of optimizations that we can do
// once everything targets mus. The entire model of OSExchangeDataProvider
// shoves all data across the wire at once whether it is needed or not.
class AURA_EXPORT OSExchangeDataProviderMus
: public ui::OSExchangeData::Provider {
using Data = std::map<std::string, std::vector<uint8_t>>;
explicit OSExchangeDataProviderMus(Data data);
~OSExchangeDataProviderMus() override;
// Returns the raw MIME type to data mapping.
Data GetData() const;
// Overridden from OSExchangeData::Provider:
std::unique_ptr<Provider> Clone() const override;
void MarkOriginatedFromRenderer() override;
bool DidOriginateFromRenderer() const override;
void SetString(const base::string16& data) override;
void SetURL(const GURL& url, const base::string16& title) override;
void SetFilename(const base::FilePath& path) override;
void SetFilenames(const std::vector<ui::FileInfo>& file_names) override;
void SetPickledData(const ui::Clipboard::FormatType& format,
const base::Pickle& data) override;
bool GetString(base::string16* data) const override;
bool GetURLAndTitle(ui::OSExchangeData::FilenameToURLPolicy policy,
GURL* url,
base::string16* title) const override;
bool GetFilename(base::FilePath* path) const override;
bool GetFilenames(std::vector<ui::FileInfo>* file_names) const override;
bool GetPickledData(const ui::Clipboard::FormatType& format,
base::Pickle* data) const override;
bool HasString() const override;
bool HasURL(ui::OSExchangeData::FilenameToURLPolicy policy) const override;
bool HasFile() const override;
bool HasCustomFormat(const ui::Clipboard::FormatType& format) const override;
// Provider doesn't have a consistent interface between operating systems;
// this wasn't seen as a problem when there was a single Provider subclass
// per operating system. Now we have to have at least two providers per OS,
// leading to the following warts, which will remain until we clean all the
// callsites up.
#if defined(USE_X11) || defined(OS_WIN)
void SetFileContents(const base::FilePath& filename,
const std::string& file_contents) override;
#if defined(OS_WIN)
bool GetFileContents(base::FilePath* filename,
std::string* file_contents) const override;
bool HasFileContents() const override;
void SetDownloadFileInfo(
const ui::OSExchangeData::DownloadFileInfo& download) override;
#if defined(USE_AURA)
void SetHtml(const base::string16& html, const GURL& base_url) override;
bool GetHtml(base::string16* html, GURL* base_url) const override;
bool HasHtml() const override;
#if defined(USE_AURA) || defined(OS_MACOSX)
void SetDragImage(const gfx::ImageSkia& image,
const gfx::Vector2d& cursor_offset) override;
gfx::ImageSkia GetDragImage() const override;
gfx::Vector2d GetDragImageOffset() const override;
// Returns true if |formats_| contains a file format and the file name can be
// parsed as a URL.
bool GetFileURL(GURL* url) const;
// Returns true if |formats_| contains a string format and the string can be
// parsed as a URL.
bool GetPlainTextURL(GURL* url) const;
// Drag image and offset data.
gfx::ImageSkia drag_image_;
gfx::Vector2d drag_image_offset_;
Data mime_data_;
} // namespace aura