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// Copyright (c) 2009 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 "webkit/glue/webclipboard_impl.h"
#include "base/clipboard.h"
#include "base/logging.h"
#include "base/string_util.h"
#include "googleurl/src/gurl.h"
#include "net/base/escape.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "webkit/api/public/WebImage.h"
#include "webkit/api/public/WebSize.h"
#include "webkit/api/public/WebString.h"
#include "webkit/api/public/WebURL.h"
#include "webkit/glue/scoped_clipboard_writer_glue.h"
#include "webkit/glue/webkit_glue.h"
#if WEBKIT_USING_CG
#include "skia/ext/skia_utils_mac.h"
#endif
using WebKit::WebClipboard;
using WebKit::WebImage;
using WebKit::WebString;
using WebKit::WebURL;
namespace webkit_glue {
// Static
std::string WebClipboardImpl::URLToMarkup(const WebURL& url,
const WebString& title) {
std::string markup("<a href=\"");
markup.append(url.spec());
markup.append("\">");
// TODO(darin): HTML escape this
markup.append(EscapeForHTML(UTF16ToUTF8(title)));
markup.append("</a>");
return markup;
}
// Static
std::string WebClipboardImpl::URLToImageMarkup(const WebURL& url,
const WebString& title) {
std::string markup("<img src=\"");
markup.append(url.spec());
markup.append("\"");
if (!title.isEmpty()) {
markup.append(" alt=\"");
markup.append(EscapeForHTML(UTF16ToUTF8(title)));
markup.append("\"");
}
markup.append("/>");
return markup;
}
bool WebClipboardImpl::isFormatAvailable(Format format, Buffer buffer) {
Clipboard::FormatType format_type;
Clipboard::Buffer buffer_type;
switch (format) {
case FormatHTML:
format_type = Clipboard::GetHtmlFormatType();
break;
case FormatSmartPaste:
format_type = Clipboard::GetWebKitSmartPasteFormatType();
break;
case FormatBookmark:
#if defined(OS_WIN) || defined(OS_MACOSX)
format_type = Clipboard::GetUrlWFormatType();
break;
#endif
default:
NOTREACHED();
return false;
}
if (!ConvertBufferType(buffer, &buffer_type))
return false;
return ClipboardIsFormatAvailable(format_type, buffer_type);
}
WebString WebClipboardImpl::readPlainText(Buffer buffer) {
Clipboard::Buffer buffer_type;
if (!ConvertBufferType(buffer, &buffer_type))
return WebString();
if (ClipboardIsFormatAvailable(Clipboard::GetPlainTextWFormatType(),
buffer_type)) {
string16 text;
ClipboardReadText(buffer_type, &text);
if (!text.empty())
return text;
}
if (ClipboardIsFormatAvailable(Clipboard::GetPlainTextFormatType(),
buffer_type)) {
std::string text;
ClipboardReadAsciiText(buffer_type, &text);
if (!text.empty())
return ASCIIToUTF16(text);
}
return WebString();
}
WebString WebClipboardImpl::readHTML(Buffer buffer, WebURL* source_url) {
Clipboard::Buffer buffer_type;
if (!ConvertBufferType(buffer, &buffer_type))
return WebString();
string16 html_stdstr;
GURL gurl;
ClipboardReadHTML(buffer_type, &html_stdstr, &gurl);
*source_url = gurl;
return html_stdstr;
}
void WebClipboardImpl::writeHTML(
const WebString& html_text, const WebURL& source_url,
const WebString& plain_text, bool write_smart_paste) {
ScopedClipboardWriterGlue scw(ClipboardGetClipboard());
scw.WriteHTML(html_text, source_url.spec());
scw.WriteText(plain_text);
if (write_smart_paste)
scw.WriteWebSmartPaste();
}
void WebClipboardImpl::writePlainText(const WebString& plain_text) {
ScopedClipboardWriterGlue scw(ClipboardGetClipboard());
scw.WriteText(plain_text);
}
void WebClipboardImpl::writeURL(const WebURL& url, const WebString& title) {
ScopedClipboardWriterGlue scw(ClipboardGetClipboard());
scw.WriteBookmark(title, url.spec());
scw.WriteHTML(UTF8ToUTF16(URLToMarkup(url, title)), "");
scw.WriteText(UTF8ToUTF16(url.spec()));
}
void WebClipboardImpl::writeImage(
const WebImage& image, const WebURL& url, const WebString& title) {
ScopedClipboardWriterGlue scw(ClipboardGetClipboard());
if (!image.isNull()) {
#if WEBKIT_USING_SKIA
const SkBitmap& bitmap = image.getSkBitmap();
#elif WEBKIT_USING_CG
const SkBitmap& bitmap = gfx::CGImageToSkBitmap(image.getCGImageRef());
#endif
SkAutoLockPixels locked(bitmap);
scw.WriteBitmapFromPixels(bitmap.getPixels(), image.size());
}
// We intentionally only write the image. If the user wants the URL, they
// can get that from the context menu.
}
bool WebClipboardImpl::ConvertBufferType(Buffer buffer,
Clipboard::Buffer* result) {
switch (buffer) {
case BufferStandard:
*result = Clipboard::BUFFER_STANDARD;
break;
case BufferSelection:
#if defined(OS_LINUX)
*result = Clipboard::BUFFER_SELECTION;
break;
#endif
default:
NOTREACHED();
return false;
}
return true;
}
} // namespace webkit_glue
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