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+/*
+ * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
+ * Copyright (C) 2007-2009 Torch Mobile, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include "config.h"
+#include "Pasteboard.h"
+
+#include "ClipboardUtilitiesWin.h"
+#include "Document.h"
+#include "DocumentFragment.h"
+#include "Element.h"
+#include "Frame.h"
+#include "HitTestResult.h"
+#include "Image.h"
+#include "KURL.h"
+#include "Page.h"
+#include "Range.h"
+#include "RenderImage.h"
+#include "TextEncoding.h"
+#include "WebCoreInstanceHandle.h"
+#include "markup.h"
+#include <wtf/text/CString.h>
+
+namespace WebCore {
+
+static UINT HTMLClipboardFormat = 0;
+static UINT BookmarkClipboardFormat = 0;
+static UINT WebSmartPasteFormat = 0;
+
+extern HDC hScreenDC;
+
+static LRESULT CALLBACK PasteboardOwnerWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+ LRESULT lresult = 0;
+ LONG longPtr = GetWindowLong(hWnd, 0);
+
+ switch (message) {
+ case WM_RENDERFORMAT:
+ // This message comes when SetClipboardData was sent a null data handle
+ // and now it's come time to put the data on the clipboard.
+ break;
+ case WM_RENDERALLFORMATS:
+ // This message comes when SetClipboardData was sent a null data handle
+ // and now this application is about to quit, so it must put data on
+ // the clipboard before it exits.
+ break;
+ case WM_DESTROY:
+ break;
+ default:
+ lresult = DefWindowProc(hWnd, message, wParam, lParam);
+ break;
+ }
+ return lresult;
+}
+
+Pasteboard* Pasteboard::generalPasteboard()
+{
+ static Pasteboard* pasteboard = new Pasteboard;
+ return pasteboard;
+}
+
+Pasteboard::Pasteboard()
+{
+ // make a dummy HWND to be the Windows clipboard's owner
+ WNDCLASS wc = {0};
+ memset(&wc, 0, sizeof(wc));
+ wc.lpfnWndProc = PasteboardOwnerWndProc;
+ wc.hInstance = WebCore::instanceHandle();
+ wc.lpszClassName = L"PasteboardOwnerWindowClass";
+ ::RegisterClass(&wc);
+
+ m_owner = ::CreateWindow(L"PasteboardOwnerWindowClass", L"PasteboardOwnerWindow", 0, 0, 0, 0, 0,
+ HWND_MESSAGE, 0, 0, 0);
+
+ HTMLClipboardFormat = ::RegisterClipboardFormat(L"HTML Format");
+ BookmarkClipboardFormat = ::RegisterClipboardFormat(L"UniformResourceLocatorW");
+ WebSmartPasteFormat = ::RegisterClipboardFormat(L"WebKit Smart Paste Format");
+}
+
+void Pasteboard::clear()
+{
+ if (::OpenClipboard(m_owner)) {
+ ::EmptyClipboard();
+ ::CloseClipboard();
+ }
+}
+
+void Pasteboard::writeSelection(Range* selectedRange, bool canSmartCopyOrDelete, Frame* frame)
+{
+ clear();
+
+ // Put CF_HTML format on the pasteboard
+ if (::OpenClipboard(m_owner)) {
+ ExceptionCode ec = 0;
+ Vector<char> data;
+ markupToCF_HTML(createMarkup(selectedRange, 0, AnnotateForInterchange), selectedRange->startContainer(ec)->document()->url(), data);
+ HGLOBAL cbData = createGlobalData(data);
+ if (!::SetClipboardData(HTMLClipboardFormat, cbData))
+ ::GlobalFree(cbData);
+ ::CloseClipboard();
+ }
+
+ // Put plain string on the pasteboard. CF_UNICODETEXT covers CF_TEXT as well
+ String str = frame->selectedText();
+ replaceNewlinesWithWindowsStyleNewlines(str);
+ replaceNBSPWithSpace(str);
+ if (::OpenClipboard(m_owner)) {
+ HGLOBAL cbData = createGlobalData(str);
+ if (!::SetClipboardData(CF_UNICODETEXT, cbData))
+ ::GlobalFree(cbData);
+ ::CloseClipboard();
+ }
+
+ // enable smart-replacing later on by putting dummy data on the pasteboard
+ if (canSmartCopyOrDelete) {
+ if (::OpenClipboard(m_owner)) {
+ ::SetClipboardData(WebSmartPasteFormat, 0);
+ ::CloseClipboard();
+ }
+ }
+}
+
+void Pasteboard::writePlainText(const String& text)
+{
+ clear();
+
+ // Put plain string on the pasteboard. CF_UNICODETEXT covers CF_TEXT as well
+ String str = text;
+ replaceNewlinesWithWindowsStyleNewlines(str);
+ if (::OpenClipboard(m_owner)) {
+ HGLOBAL cbData = createGlobalData(str);
+ if (!::SetClipboardData(CF_UNICODETEXT, cbData))
+ ::GlobalFree(cbData);
+ ::CloseClipboard();
+ }
+}
+
+void Pasteboard::writeURL(const KURL& url, const String& titleStr, Frame* frame)
+{
+ ASSERT(!url.isEmpty());
+
+ clear();
+
+ String title(titleStr);
+ if (title.isEmpty()) {
+ title = url.lastPathComponent();
+ if (title.isEmpty())
+ title = url.host();
+ }
+
+ // write to clipboard in format com.apple.safari.bookmarkdata to be able to paste into the bookmarks view with appropriate title
+ if (::OpenClipboard(m_owner)) {
+ HGLOBAL cbData = createGlobalData(url, title);
+ if (!::SetClipboardData(BookmarkClipboardFormat, cbData))
+ ::GlobalFree(cbData);
+ ::CloseClipboard();
+ }
+
+ // write to clipboard in format CF_HTML to be able to paste into contenteditable areas as a link
+ if (::OpenClipboard(m_owner)) {
+ Vector<char> data;
+ markupToCF_HTML(urlToMarkup(url, title), "", data);
+ HGLOBAL cbData = createGlobalData(data);
+ if (!::SetClipboardData(HTMLClipboardFormat, cbData))
+ ::GlobalFree(cbData);
+ ::CloseClipboard();
+ }
+
+ // bare-bones CF_UNICODETEXT support
+ if (::OpenClipboard(m_owner)) {
+ HGLOBAL cbData = createGlobalData(url.string());
+ if (!::SetClipboardData(CF_UNICODETEXT, cbData))
+ ::GlobalFree(cbData);
+ ::CloseClipboard();
+ }
+}
+
+void Pasteboard::writeImage(Node* node, const KURL&, const String&)
+{
+ ASSERT(node && node->renderer() && node->renderer()->isImage());
+ RenderImage* renderer = static_cast<RenderImage*>(node->renderer());
+ CachedImage* cachedImage = static_cast<CachedImage*>(renderer->cachedImage());
+ ASSERT(cachedImage);
+ Image* image = cachedImage->image();
+ ASSERT(image);
+
+ clear();
+
+ RefPtr<SharedBitmap> sourceBmp = image->nativeImageForCurrentFrame();
+ if (!sourceBmp)
+ return;
+
+ IntRect rect(0, 0, sourceBmp->width(), sourceBmp->height());
+ BitmapInfo bmpInfo;
+ void* pixels;
+ HBITMAP resultBitmap = sourceBmp->clipBitmap(rect, true, bmpInfo, pixels);
+ if (!resultBitmap)
+ return;
+
+ if (::OpenClipboard(m_owner)) {
+ ::SetClipboardData(CF_BITMAP, resultBitmap);
+ ::CloseClipboard();
+ } else
+ DeleteObject(resultBitmap);
+}
+
+bool Pasteboard::canSmartReplace()
+{
+ return ::IsClipboardFormatAvailable(WebSmartPasteFormat);
+}
+
+String Pasteboard::plainText(Frame* frame)
+{
+ if (::IsClipboardFormatAvailable(CF_UNICODETEXT) && ::OpenClipboard(m_owner)) {
+ HANDLE cbData = ::GetClipboardData(CF_UNICODETEXT);
+ if (cbData) {
+ UChar* buffer = (UChar*)GlobalLock(cbData);
+ String fromClipboard(buffer);
+ GlobalUnlock(cbData);
+ CloseClipboard();
+ return fromClipboard;
+ } else
+ CloseClipboard();
+ }
+
+ if (::IsClipboardFormatAvailable(CF_TEXT) && ::OpenClipboard(m_owner)) {
+ HANDLE cbData = ::GetClipboardData(CF_TEXT);
+ if (cbData) {
+ char* buffer = (char*)GlobalLock(cbData);
+ String fromClipboard(buffer);
+ GlobalUnlock(cbData);
+ CloseClipboard();
+ return fromClipboard;
+ } else
+ CloseClipboard();
+ }
+
+ return String();
+}
+
+PassRefPtr<DocumentFragment> Pasteboard::documentFragment(Frame* frame, PassRefPtr<Range> context, bool allowPlainText, bool& chosePlainText)
+{
+ chosePlainText = false;
+
+ if (::IsClipboardFormatAvailable(HTMLClipboardFormat) && ::OpenClipboard(m_owner)) {
+ // get data off of clipboard
+ HANDLE cbData = ::GetClipboardData(HTMLClipboardFormat);
+ if (cbData) {
+ SIZE_T dataSize = ::GlobalSize(cbData);
+ String cf_html(UTF8Encoding().decode((char*)GlobalLock(cbData), dataSize));
+ GlobalUnlock(cbData);
+ CloseClipboard();
+
+ PassRefPtr<DocumentFragment> fragment = fragmentFromCF_HTML(frame->document(), cf_html);
+ if (fragment)
+ return fragment;
+ } else
+ CloseClipboard();
+ }
+
+ if (allowPlainText && IsClipboardFormatAvailable(CF_UNICODETEXT)) {
+ chosePlainText = true;
+ if (OpenClipboard(m_owner)) {
+ HANDLE cbData = GetClipboardData(CF_UNICODETEXT);
+ if (cbData) {
+ UChar* buffer = (UChar*)GlobalLock(cbData);
+ String str(buffer);
+ GlobalUnlock(cbData);
+ CloseClipboard();
+ RefPtr<DocumentFragment> fragment = createFragmentFromText(context.get(), str);
+ if (fragment)
+ return fragment.release();
+ } else
+ CloseClipboard();
+ }
+ }
+
+ if (allowPlainText && ::IsClipboardFormatAvailable(CF_TEXT)) {
+ chosePlainText = true;
+ if (::OpenClipboard(m_owner)) {
+ HANDLE cbData = ::GetClipboardData(CF_TEXT);
+ if (cbData) {
+ char* buffer = (char*)GlobalLock(cbData);
+ String str(buffer);
+ GlobalUnlock(cbData);
+ CloseClipboard();
+ RefPtr<DocumentFragment> fragment = createFragmentFromText(context.get(), str);
+ if (fragment)
+ return fragment.release();
+ } else
+ CloseClipboard();
+ }
+ }
+
+ return 0;
+}
+
+bool Pasteboard::hasData()
+{
+ return hasDataInFormat(CF_UNICODETEXT) || hasDataInFormat(CF_TEXT);
+}
+
+bool Pasteboard::hasDataInFormat(unsigned int format)
+{
+ return ::IsClipboardFormatAvailable(format);
+}
+
+} // namespace WebCore