| /* |
| * 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 "BitmapInfo.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 "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 = toRenderImage(node->renderer()); |
| CachedImage* 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 = BitmapInfo::create(image->size()); |
| |
| 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 |
