blob: ac706c4c51004295153e185b4141d2bc612ff0a2 [file] [log] [blame]
/*
* 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 "CachedImage.h"
#include "ClipboardUtilitiesWin.h"
#include "Document.h"
#include "DocumentFragment.h"
#include "Editor.h"
#include "Element.h"
#include "Frame.h"
#include "HWndDC.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 "WebCoreInstanceHandle.h"
#include "WindowsExtras.h"
#include "markup.h"
#include <wtf/text/CString.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;
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;
#if !OS(WINCE)
case WM_DRAWCLIPBOARD:
break;
case WM_CHANGECBCHAIN:
break;
#endif
default:
lresult = DefWindowProc(hWnd, message, wParam, lParam);
break;
}
return lresult;
}
Pasteboard* Pasteboard::generalPasteboard()
{
static Pasteboard* pasteboard = new Pasteboard;
return pasteboard;
}
Pasteboard::Pasteboard()
{
WNDCLASS wc;
memset(&wc, 0, sizeof(WNDCLASS));
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, ShouldSerializeSelectedTextForClipboard shouldSerializeSelectedTextForClipboard)
{
clear();
// Put CF_HTML format on the pasteboard
if (::OpenClipboard(m_owner)) {
Vector<char> data;
markupToCFHTML(createMarkup(selectedRange, 0, AnnotateForInterchange),
selectedRange->startContainer()->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 = shouldSerializeSelectedTextForClipboard == IncludeImageAltTextForClipboard ? frame->editor().selectedTextForClipboard() : frame->editor().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, SmartReplaceOption smartReplaceOption)
{
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();
}
// enable smart-replacing later on by putting dummy data on the pasteboard
if (smartReplaceOption == CanSmartReplace) {
if (::OpenClipboard(m_owner)) {
::SetClipboardData(WebSmartPasteFormat, 0);
::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;
markupToCFHTML(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);
if (!(node->renderer() && node->renderer()->isImage()))
return;
RenderImage* renderer = toRenderImage(node->renderer());
CachedImage* cachedImage = renderer->cachedImage();
if (!cachedImage || cachedImage->errorOccurred())
return;
Image* image = cachedImage->imageForRenderer(renderer);
ASSERT(image);
clear();
HWndDC dc(0);
HDC compatibleDC = CreateCompatibleDC(0);
HDC sourceDC = CreateCompatibleDC(0);
OwnPtr<HBITMAP> resultBitmap = adoptPtr(CreateCompatibleBitmap(dc, image->width(), image->height()));
HGDIOBJ oldBitmap = SelectObject(compatibleDC, resultBitmap.get());
BitmapInfo bmInfo = BitmapInfo::create(image->size());
HBITMAP coreBitmap = CreateDIBSection(dc, &bmInfo, DIB_RGB_COLORS, 0, 0, 0);
HGDIOBJ oldSource = SelectObject(sourceDC, coreBitmap);
image->getHBITMAP(coreBitmap);
BitBlt(compatibleDC, 0, 0, image->width(), image->height(), sourceDC, 0, 0, SRCCOPY);
SelectObject(sourceDC, oldSource);
DeleteObject(coreBitmap);
SelectObject(compatibleDC, oldBitmap);
DeleteDC(sourceDC);
DeleteDC(compatibleDC);
if (::OpenClipboard(m_owner)) {
::SetClipboardData(CF_BITMAP, resultBitmap.leakPtr());
::CloseClipboard();
}
}
void Pasteboard::writeClipboard(Clipboard*)
{
notImplemented();
}
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 = static_cast<UChar*>(GlobalLock(cbData));
String fromClipboard(buffer);
GlobalUnlock(cbData);
::CloseClipboard();
return fromClipboard;
}
::CloseClipboard();
}
if (::IsClipboardFormatAvailable(CF_TEXT) && ::OpenClipboard(m_owner)) {
HANDLE cbData = ::GetClipboardData(CF_TEXT);
if (cbData) {
char* buffer = static_cast<char*>(GlobalLock(cbData));
String fromClipboard(buffer);
GlobalUnlock(cbData);
::CloseClipboard();
return fromClipboard;
}
::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 cfhtml(UTF8Encoding().decode(static_cast<char*>(GlobalLock(cbData)), dataSize));
GlobalUnlock(cbData);
::CloseClipboard();
PassRefPtr<DocumentFragment> fragment = fragmentFromCFHTML(frame->document(), cfhtml);
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 = static_cast<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 = static_cast<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