Revert of mojo: Create a basic clipboard.

mojo/services/html_viewer/webclipboard_impl.cc

-// Copyright 2014 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 "mojo/services/html_viewer/webclipboard_impl.h"
-
-#include "base/bind.h"
-#include "mojo/services/html_viewer/blink_basic_type_converters.h"
-
-namespace mojo {
-namespace {
-
-void CopyUint64(uint64_t* output, uint64_t input) {
-  *output = input;
-}
-
-void CopyWebString(blink::WebString* output,
-                   const mojo::Array<uint8_t>& input) {
-  // blink does not differentiate between the requested data type not existing
-  // and the empty string.
-  if (input.is_null()) {
-    output->reset();
-  } else {
-    *output = blink::WebString::fromUTF8(
-        reinterpret_cast<const char*>(&input.front()),
-        input.size());
-  }
-}
-
-void CopyURL(blink::WebURL* pageURL,
-             const mojo::Array<uint8_t>& input) {
-  if (input.is_null()) {
-    *pageURL = blink::WebURL();
-  } else {
-    *pageURL = GURL(std::string(reinterpret_cast<const char*>(&input.front()),
-                                input.size()));
-  }
-}
-
-void CopyVectorString(std::vector<std::string>* output,
-                      const Array<String>& input) {
-  *output = input.To<std::vector<std::string> >();
-}
-
-template <typename T, typename U>
-bool Contains(const std::vector<T>& v, const U& item) {
-  return std::find(v.begin(), v.end(), item) != v.end();
-}
-
-const char kMimeTypeWebkitSmartPaste[] = "chromium/x-webkit-paste";
-
-}  // namespace
-
-WebClipboardImpl::WebClipboardImpl(ClipboardPtr clipboard)
-    : clipboard_(clipboard.Pass()) {
-}
-
-WebClipboardImpl::~WebClipboardImpl() {
-}
-
-uint64_t WebClipboardImpl::sequenceNumber(Buffer buffer) {
-  mojo::Clipboard::Type clipboard_type = ConvertBufferType(buffer);
-
-  uint64_t number = 0;
-  clipboard_->GetSequenceNumber(clipboard_type,
-                                base::Bind(&CopyUint64, &number));
-
-  // Force this to be synchronous.
-  clipboard_.WaitForIncomingMethodCall();
-  return number;
-}
-
-bool WebClipboardImpl::isFormatAvailable(Format format, Buffer buffer) {
-  mojo::Clipboard::Type clipboard_type = ConvertBufferType(buffer);
-
-  std::vector<std::string> types;
-  clipboard_->GetAvailableMimeTypes(
-      clipboard_type, base::Bind(&CopyVectorString, &types));
-
-  // Force this to be synchronous.
-  clipboard_.WaitForIncomingMethodCall();
-
-  switch (format) {
-    case FormatPlainText:
-      return Contains(types, mojo::Clipboard::MIME_TYPE_TEXT);
-    case FormatHTML:
-      return Contains(types, mojo::Clipboard::MIME_TYPE_HTML);
-    case FormatSmartPaste:
-      return Contains(types, kMimeTypeWebkitSmartPaste);
-    case FormatBookmark:
-      // This might be difficult.
-      return false;
-  }
-
-  return false;
-}
-
-blink::WebVector<blink::WebString> WebClipboardImpl::readAvailableTypes(
-    Buffer buffer,
-    bool* containsFilenames) {
-  mojo::Clipboard::Type clipboard_type = ConvertBufferType(buffer);
-
-  std::vector<std::string> types;
-  clipboard_->GetAvailableMimeTypes(
-      clipboard_type, base::Bind(&CopyVectorString, &types));
-
-  // Force this to be synchronous.
-  clipboard_.WaitForIncomingMethodCall();
-
-  // AFAICT, every instance of setting containsFilenames is false.
-  *containsFilenames = false;
-
-  blink::WebVector<blink::WebString> output(types.size());
-  for (size_t i = 0; i < types.size(); ++i) {
-    output[i] = blink::WebString::fromUTF8(types[i]);
-  }
-
-  return output;
-}
-
-blink::WebString WebClipboardImpl::readPlainText(Buffer buffer) {
-  mojo::Clipboard::Type type = ConvertBufferType(buffer);
-
-  blink::WebString text;
-  clipboard_->ReadMimeType(
-      type, mojo::Clipboard::MIME_TYPE_TEXT, base::Bind(&CopyWebString, &text));
-
-  // Force this to be synchronous.
-  clipboard_.WaitForIncomingMethodCall();
-
-  return text;
-}
-
-blink::WebString WebClipboardImpl::readHTML(Buffer buffer,
-                                            blink::WebURL* pageURL,
-                                            unsigned* fragmentStart,
-                                            unsigned* fragmentEnd) {
-  mojo::Clipboard::Type type = ConvertBufferType(buffer);
-
-  blink::WebString html;
-  clipboard_->ReadMimeType(
-      type, mojo::Clipboard::MIME_TYPE_HTML, base::Bind(&CopyWebString, &html));
-  clipboard_.WaitForIncomingMethodCall();
-
-  *fragmentStart = 0;
-  *fragmentEnd = static_cast<unsigned>(html.length());
-
-  clipboard_->ReadMimeType(
-      type, mojo::Clipboard::MIME_TYPE_URL, base::Bind(&CopyURL, pageURL));
-  clipboard_.WaitForIncomingMethodCall();
-
-  return html;
-}
-
-blink::WebString WebClipboardImpl::readCustomData(
-    Buffer buffer,
-    const blink::WebString& mime_type) {
-  mojo::Clipboard::Type clipboard_type = ConvertBufferType(buffer);
-
-  blink::WebString data;
-  clipboard_->ReadMimeType(
-      clipboard_type, mime_type.utf8(), base::Bind(&CopyWebString, &data));
-
-  // Force this to be synchronous.
-  clipboard_.WaitForIncomingMethodCall();
-
-  return data;
-}
-
-void WebClipboardImpl::writePlainText(const blink::WebString& text) {
-  Array<MimeTypePairPtr> data;
-  MimeTypePairPtr text_data(MimeTypePair::New());
-  text_data->mime_type = mojo::Clipboard::MIME_TYPE_TEXT;
-  text_data->data = Array<uint8_t>::From(text).Pass();
-  data.push_back(text_data.Pass());
-
-  clipboard_->WriteClipboardData(mojo::Clipboard::TYPE_COPY_PASTE, data.Pass());
-}
-
-void WebClipboardImpl::writeHTML(const blink::WebString& htmlText,
-                                 const blink::WebURL& url,
-                                 const blink::WebString& plainText,
-                                 bool writeSmartPaste) {
-  Array<MimeTypePairPtr> data;
-  MimeTypePairPtr text_data(MimeTypePair::New());
-  text_data->mime_type = mojo::Clipboard::MIME_TYPE_TEXT;
-  text_data->data = Array<uint8_t>::From(plainText).Pass();
-  data.push_back(text_data.Pass());
-
-  MimeTypePairPtr html_data(MimeTypePair::New());
-  text_data->mime_type = mojo::Clipboard::MIME_TYPE_HTML;
-  text_data->data = Array<uint8_t>::From(htmlText).Pass();
-  data.push_back(html_data.Pass());
-
-  MimeTypePairPtr url_data(MimeTypePair::New());
-  url_data->mime_type = mojo::Clipboard::MIME_TYPE_URL;
-  url_data->data = Array<uint8_t>::From(url.string()).Pass();
-  data.push_back(url_data.Pass());
-
-  if (writeSmartPaste) {
-    MimeTypePairPtr smart_paste(MimeTypePair::New());
-    url_data->mime_type = kMimeTypeWebkitSmartPaste;
-    url_data->data = Array<uint8_t>::From(blink::WebString()).Pass();
-    data.push_back(smart_paste.Pass());
-  }
-
-  clipboard_->WriteClipboardData(mojo::Clipboard::TYPE_COPY_PASTE, data.Pass());
-}
-
-mojo::Clipboard::Type WebClipboardImpl::ConvertBufferType(Buffer buffer) {
-  switch (buffer) {
-    case BufferStandard:
-      return mojo::Clipboard::TYPE_COPY_PASTE;
-    case BufferSelection:
-      return mojo::Clipboard::TYPE_SELECTION;
-  }
-
-  NOTREACHED();
-  return mojo::Clipboard::TYPE_COPY_PASTE;
-}
-
-}  // namespace mojo