root/ui/base/dragdrop/os_exchange_data_provider_aura.cc

DEFINITIONS

1. Clone
2. MarkOriginatedFromRenderer
3. DidOriginateFromRenderer
4. SetString
5. SetURL
6. SetFilename
7. SetFilenames
8. SetPickledData
9. GetString
10. GetURLAndTitle
11. GetFilename
12. GetFilenames
13. GetPickledData
14. HasString
15. HasURL
16. HasFile
17. HasCustomFormat
18. SetHtml
19. GetHtml
20. HasHtml
21. SetDragImage
22. GetDragImage
23. GetDragImageOffset
24. GetPlainTextURL
25. CreateProvider

// Copyright (c) 2012 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 "ui/base/dragdrop/os_exchange_data_provider_aura.h"

#include "base/logging.h"
#include "base/strings/utf_string_conversions.h"
#include "net/base/net_util.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/clipboard/scoped_clipboard_writer.h"
#include "ui/base/dragdrop/file_info.h"

namespace ui {

OSExchangeDataProviderAura::OSExchangeDataProviderAura()
    : formats_(0) {
}

OSExchangeDataProviderAura::~OSExchangeDataProviderAura() {}

OSExchangeData::Provider* OSExchangeDataProviderAura::Clone() const {
  OSExchangeDataProviderAura* ret = new OSExchangeDataProviderAura();
  ret->formats_ = formats_;
  ret->string_ = string_;
  ret->url_ = url_;
  ret->title_ = title_;
  ret->filenames_ = filenames_;
  ret->pickle_data_ = pickle_data_;
  // We skip copying the drag images.
  ret->html_ = html_;
  ret->base_url_ = base_url_;

  return ret;
}

void OSExchangeDataProviderAura::MarkOriginatedFromRenderer() {
  // TODO(dcheng): Currently unneeded because ChromeOS Aura correctly separates
  // URL and filename metadata, and does not implement the DownloadURL protocol.
}

bool OSExchangeDataProviderAura::DidOriginateFromRenderer() const {
  return false;
}

void OSExchangeDataProviderAura::SetString(const base::string16& data) {
  string_ = data;
  formats_ |= OSExchangeData::STRING;
}

void OSExchangeDataProviderAura::SetURL(const GURL& url,
                                        const base::string16& title) {
  url_ = url;
  title_ = title;
  formats_ |= OSExchangeData::URL;

  SetString(base::UTF8ToUTF16(url.spec()));
}

void OSExchangeDataProviderAura::SetFilename(const base::FilePath& path) {
  filenames_.clear();
  filenames_.push_back(FileInfo(path, base::FilePath()));
  formats_ |= OSExchangeData::FILE_NAME;
}

void OSExchangeDataProviderAura::SetFilenames(
    const std::vector<FileInfo>& filenames) {
  filenames_ = filenames;
  formats_ |= OSExchangeData::FILE_NAME;
}

void OSExchangeDataProviderAura::SetPickledData(
    const OSExchangeData::CustomFormat& format,
    const Pickle& data) {
  pickle_data_[format] = data;
  formats_ |= OSExchangeData::PICKLED_DATA;
}

bool OSExchangeDataProviderAura::GetString(base::string16* data) const {
  if ((formats_ & OSExchangeData::STRING) == 0)
    return false;
  *data = string_;
  return true;
}

bool OSExchangeDataProviderAura::GetURLAndTitle(
    OSExchangeData::FilenameToURLPolicy policy,
    GURL* url,
    base::string16* title) const {
  // TODO(dcheng): implement filename conversion.
  if ((formats_ & OSExchangeData::URL) == 0) {
    title->clear();
    return GetPlainTextURL(url);
  }

  if (!url_.is_valid())
    return false;

  *url = url_;
  *title = title_;
  return true;
}

bool OSExchangeDataProviderAura::GetFilename(base::FilePath* path) const {
  if ((formats_ & OSExchangeData::FILE_NAME) == 0)
    return false;
  DCHECK(!filenames_.empty());
  *path = filenames_[0].path;
  return true;
}

bool OSExchangeDataProviderAura::GetFilenames(
    std::vector<FileInfo>* filenames) const {
  if ((formats_ & OSExchangeData::FILE_NAME) == 0)
    return false;
  *filenames = filenames_;
  return true;
}

bool OSExchangeDataProviderAura::GetPickledData(
    const OSExchangeData::CustomFormat& format,
    Pickle* data) const {
  PickleData::const_iterator i = pickle_data_.find(format);
  if (i == pickle_data_.end())
    return false;

  *data = i->second;
  return true;
}

bool OSExchangeDataProviderAura::HasString() const {
  return (formats_ & OSExchangeData::STRING) != 0;
}

bool OSExchangeDataProviderAura::HasURL(
    OSExchangeData::FilenameToURLPolicy policy) const {
  // TODO(dcheng): implement filename conversion.
  if ((formats_ & OSExchangeData::URL) != 0) {
    return true;
  }
  // No URL, see if we have plain text that can be parsed as a URL.
  return GetPlainTextURL(NULL);
}

bool OSExchangeDataProviderAura::HasFile() const {
  return (formats_ & OSExchangeData::FILE_NAME) != 0;
}

bool OSExchangeDataProviderAura::HasCustomFormat(
    const OSExchangeData::CustomFormat& format) const {
  return pickle_data_.find(format) != pickle_data_.end();
}

void OSExchangeDataProviderAura::SetHtml(const base::string16& html,
                                         const GURL& base_url) {
  formats_ |= OSExchangeData::HTML;
  html_ = html;
  base_url_ = base_url;
}

bool OSExchangeDataProviderAura::GetHtml(base::string16* html,
                                         GURL* base_url) const {
  if ((formats_ & OSExchangeData::HTML) == 0)
    return false;
  *html = html_;
  *base_url = base_url_;
  return true;
}

bool OSExchangeDataProviderAura::HasHtml() const {
  return ((formats_ & OSExchangeData::HTML) != 0);
}

void OSExchangeDataProviderAura::SetDragImage(
    const gfx::ImageSkia& image,
    const gfx::Vector2d& cursor_offset) {
  drag_image_ = image;
  drag_image_offset_ = cursor_offset;
}

const gfx::ImageSkia& OSExchangeDataProviderAura::GetDragImage() const {
  return drag_image_;
}

const gfx::Vector2d&
OSExchangeDataProviderAura::GetDragImageOffset() const {
  return drag_image_offset_;
}

bool OSExchangeDataProviderAura::GetPlainTextURL(GURL* url) const {
  if ((formats_ & OSExchangeData::STRING) == 0)
    return false;

  GURL test_url(string_);
  if (!test_url.is_valid())
    return false;

  if (url)
    *url = test_url;
  return true;
}

///////////////////////////////////////////////////////////////////////////////
// OSExchangeData, public:

// static
OSExchangeData::Provider* OSExchangeData::CreateProvider() {
  return new OSExchangeDataProviderAura();
}

}  // namespace ui