linux_aura: Implement dropping in chrome.

ui/base/dragdrop/os_exchange_data_provider_aura.cc

-// 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/utf_string_conversions.h"
-#include "net/base/net_util.h"
-#include "ui/base/clipboard/clipboard.h"
-#include "ui/base/clipboard/scoped_clipboard_writer.h"
-
-namespace ui {
-
-OSExchangeDataProviderAura::OSExchangeDataProviderAura() : formats_(0) {}
-
-OSExchangeDataProviderAura::~OSExchangeDataProviderAura() {}
-
-void OSExchangeDataProviderAura::SetString(const string16& data) {
-  string_ = data;
-  formats_ |= OSExchangeData::STRING;
-}
-
-void OSExchangeDataProviderAura::SetURL(const GURL& url,
-                                        const string16& title) {
-  url_ = url;
-  title_ = title;
-  formats_ |= OSExchangeData::URL;
-}
-
-void OSExchangeDataProviderAura::SetFilename(const base::FilePath& path) {
-  filenames_.clear();
-  filenames_.push_back(OSExchangeData::FileInfo(path, base::FilePath()));
-  formats_ |= OSExchangeData::FILE_NAME;
-}
-
-void OSExchangeDataProviderAura::SetFilenames(
-    const std::vector<OSExchangeData::FileInfo>& filenames) {
-  filenames_ = filenames;
-  formats_ |= OSExchangeData::FILE_NAME;
-}
-
-void OSExchangeDataProviderAura::SetPickledData(
-    OSExchangeData::CustomFormat format,
-    const Pickle& data) {
-  pickle_data_[format] = data;
-  formats_ |= OSExchangeData::PICKLED_DATA;
-}
-
-bool OSExchangeDataProviderAura::GetString(string16* data) const {
-  if ((formats_ & OSExchangeData::STRING) == 0)
-    return false;
-  *data = string_;
-  return true;
-}
-
-bool OSExchangeDataProviderAura::GetURLAndTitle(GURL* url,
-                                                string16* title) const {
-  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<OSExchangeData::FileInfo>* filenames) const {
-  if ((formats_ & OSExchangeData::FILE_NAME) == 0)
-    return false;
-  *filenames = filenames_;
-  return true;
-}
-
-bool OSExchangeDataProviderAura::GetPickledData(
-    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() const {
-  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(
-    OSExchangeData::CustomFormat format) const {
-  return pickle_data_.find(format) != pickle_data_.end();
-}
-
-#if defined(OS_WIN)
-  void OSExchangeDataProviderAura::SetFileContents(
-      const base::FilePath& filename,
-      const std::string& file_contents) {
-    NOTIMPLEMENTED();
-  }
-
-  bool OSExchangeDataProviderAura::GetFileContents(
-      base::FilePath* filename,
-      std::string* file_contents) const {
-    NOTIMPLEMENTED();
-    return false;
-  }
-
-  bool OSExchangeDataProviderAura::HasFileContents() const {
-    NOTIMPLEMENTED();
-    return false;
-  }
-
-  void OSExchangeDataProviderAura::SetDownloadFileInfo(
-      const OSExchangeData::DownloadFileInfo& download) {
-    NOTIMPLEMENTED();
-  }
-#endif
-
-void OSExchangeDataProviderAura::SetHtml(const string16& html,
-                                         const GURL& base_url) {
-  formats_ |= OSExchangeData::HTML;
-  html_ = html;
-  base_url_ = base_url;
-}
-
-bool OSExchangeDataProviderAura::GetHtml(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();
-}
-
-// static
-OSExchangeData::CustomFormat
-OSExchangeData::RegisterCustomFormat(const std::string& type) {
-  // On Aura you probably want to just use the Clipboard::Get*FormatType APIs
-  // instead.  But we can also dynamically generate new CustomFormat objects
-  // here too if really necessary.
-  return Clipboard::FormatType::Deserialize(type);
-}
-
-
-}  // namespace ui