third_party/WebKit/Source/core/clipboard/Pasteboard.cpp

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#include "core/clipboard/Pasteboard.h"

#include "core/clipboard/DataObject.h"
#include "platform/clipboard/ClipboardUtilities.h"
#include "platform/graphics/Image.h"
#include "platform/weborigin/KURL.h"
#include "public/platform/Platform.h"
#include "public/platform/WebDragData.h"
#include "public/platform/WebString.h"
#include "public/platform/WebURL.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"

namespace blink {

Pasteboard* Pasteboard::generalPasteboard() {
  static Pasteboard* pasteboard = new Pasteboard;
  return pasteboard;
}

Pasteboard::Pasteboard() : m_buffer(WebClipboard::BufferStandard) {}

bool Pasteboard::isSelectionMode() const {
  return m_buffer == WebClipboard::BufferSelection;
}

void Pasteboard::setSelectionMode(bool selectionMode) {
  m_buffer = selectionMode ? WebClipboard::BufferSelection
                           : WebClipboard::BufferStandard;
}

void Pasteboard::writePlainText(const String& text, SmartReplaceOption) {
// FIXME: add support for smart replace
#if OS(WIN)
  String plainText(text);
  replaceNewlinesWithWindowsStyleNewlines(plainText);
  Platform::current()->clipboard()->writePlainText(plainText);
#else
  Platform::current()->clipboard()->writePlainText(text);
#endif
}

void Pasteboard::writeImage(Image* image,
                            const KURL& url,
                            const String& title) {
  ASSERT(image);

  const WebImage webImage(image);
  if (webImage.isNull())
    return;

  Platform::current()->clipboard()->writeImage(webImage, WebURL(url),
                                               WebString(title));
}

void Pasteboard::writeDataObject(DataObject* dataObject) {
  Platform::current()->clipboard()->writeDataObject(
      dataObject->toWebDragData());
}

bool Pasteboard::canSmartReplace() {
  return Platform::current()->clipboard()->isFormatAvailable(
      WebClipboard::FormatSmartPaste, m_buffer);
}

bool Pasteboard::isHTMLAvailable() {
  return Platform::current()->clipboard()->isFormatAvailable(
      WebClipboard::FormatHTML, m_buffer);
}

String Pasteboard::plainText() {
  return Platform::current()->clipboard()->readPlainText(m_buffer);
}

String Pasteboard::readHTML(KURL& url,
                            unsigned& fragmentStart,
                            unsigned& fragmentEnd) {
  WebURL webURL;
  WebString markup = Platform::current()->clipboard()->readHTML(
      m_buffer, &webURL, &fragmentStart, &fragmentEnd);
  if (!markup.isEmpty()) {
    url = webURL;
    // fragmentStart and fragmentEnd are populated by WebClipboard::readHTML.
  } else {
    url = KURL();
    fragmentStart = 0;
    fragmentEnd = 0;
  }
  return markup;
}

void Pasteboard::writeHTML(const String& markup,
                           const KURL& documentURL,
                           const String& plainText,
                           bool canSmartCopyOrDelete) {
  String text = plainText;
#if OS(WIN)
  replaceNewlinesWithWindowsStyleNewlines(text);
#endif
  replaceNBSPWithSpace(text);

  Platform::current()->clipboard()->writeHTML(markup, documentURL, text,
                                              canSmartCopyOrDelete);
}

}  // namespace blink