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Diffstat (limited to 'WebCore/platform/win/PasteboardWin.cpp')
| -rw-r--r-- | WebCore/platform/win/PasteboardWin.cpp | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/WebCore/platform/win/PasteboardWin.cpp b/WebCore/platform/win/PasteboardWin.cpp new file mode 100644 index 0000000..506cc7b --- /dev/null +++ b/WebCore/platform/win/PasteboardWin.cpp @@ -0,0 +1,327 @@ +/* + * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. + * + * 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 "CString.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 "NotImplemented.h" +#include "Page.h" +#include "Range.h" +#include "RenderImage.h" +#include "TextEncoding.h" +#include "markup.h" + +namespace WebCore { + +static UINT HTMLClipboardFormat = 0; +static UINT BookmarkClipboardFormat = 0; +static UINT WebSmartPasteFormat = 0; + +static LRESULT CALLBACK PasteboardOwnerWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) +{ + LRESULT lresult = 0; + LONG_PTR longPtr = GetWindowLongPtr(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_DRAWCLIPBOARD: + break; + case WM_DESTROY: + break; + case WM_CHANGECBCHAIN: + 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 + WNDCLASSEX wcex = {0}; + wcex.cbSize = sizeof(WNDCLASSEX); + wcex.lpfnWndProc = PasteboardOwnerWndProc; + wcex.hInstance = Page::instanceHandle(); + wcex.lpszClassName = L"PasteboardOwnerWindowClass"; + ::RegisterClassEx(&wcex); + + 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().string(), 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, NULL); + ::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(); + + HDC dc = GetDC(0); + HDC compatibleDC = CreateCompatibleDC(0); + HDC sourceDC = CreateCompatibleDC(0); + HBITMAP resultBitmap = CreateCompatibleBitmap(dc, image->width(), image->height()); + HBITMAP oldBitmap = (HBITMAP)SelectObject(compatibleDC, resultBitmap); + + BITMAPINFO bmInfo = {0}; + bmInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + bmInfo.bmiHeader.biWidth = image->width(); + bmInfo.bmiHeader.biHeight = image->height(); + bmInfo.bmiHeader.biPlanes = 1; + bmInfo.bmiHeader.biBitCount = 32; + bmInfo.bmiHeader.biCompression = BI_RGB; + HBITMAP coreBitmap = CreateDIBSection(dc, &bmInfo, DIB_RGB_COLORS, 0, 0, 0); + HBITMAP oldSource = (HBITMAP)SelectObject(sourceDC, coreBitmap); + image->getHBITMAP(coreBitmap); + + BLENDFUNCTION bf = {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA}; + AlphaBlend(compatibleDC, 0, 0, image->width(), image->height(), + sourceDC, 0, 0, image->width(), image->height(), bf); + + SelectObject(compatibleDC, oldBitmap); + SelectObject(sourceDC, oldSource); + + DeleteObject(oldBitmap); + DeleteObject(oldSource); + DeleteObject(coreBitmap); + ReleaseDC(0, dc); + DeleteDC(compatibleDC); + DeleteDC(sourceDC); + + if (::OpenClipboard(m_owner)) { + ::SetClipboardData(CF_BITMAP, resultBitmap); + ::CloseClipboard(); + } +} + +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; +} + +} // namespace WebCore |