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Diffstat (limited to 'Source/WebCore/platform/win/DragDataWin.cpp')
| -rw-r--r-- | Source/WebCore/platform/win/DragDataWin.cpp | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/Source/WebCore/platform/win/DragDataWin.cpp b/Source/WebCore/platform/win/DragDataWin.cpp new file mode 100644 index 000000000..700570ad5 --- /dev/null +++ b/Source/WebCore/platform/win/DragDataWin.cpp @@ -0,0 +1,210 @@ +/* + * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. + * Copyright (C) 2012 Baidu 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 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 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 "DragData.h" + +#include "COMPtr.h" +#include "ClipboardUtilitiesWin.h" +#include "TextEncoding.h" +#include <objidl.h> +#include <shlwapi.h> +#include <wininet.h> +#include <wtf/Forward.h> +#include <wtf/Hashmap.h> +#include <wtf/PassRefPtr.h> +#include <wtf/RefPtr.h> +#include <wtf/text/WTFString.h> + +namespace WebCore { + +DragData::DragData(const DragDataMap& data, const IntPoint& clientPosition, const IntPoint& globalPosition, + DragOperation sourceOperationMask, DragApplicationFlags flags) + : m_clientPosition(clientPosition) + , m_globalPosition(globalPosition) + , m_platformDragData(0) + , m_draggingSourceOperationMask(sourceOperationMask) + , m_applicationFlags(flags) + , m_dragDataMap(data) +{ +} + +bool DragData::containsURL(FilenameConversionPolicy filenamePolicy) const +{ + if (m_platformDragData) + return SUCCEEDED(m_platformDragData->QueryGetData(urlWFormat())) + || SUCCEEDED(m_platformDragData->QueryGetData(urlFormat())) + || (filenamePolicy == ConvertFilenames + && (SUCCEEDED(m_platformDragData->QueryGetData(filenameWFormat())) + || SUCCEEDED(m_platformDragData->QueryGetData(filenameFormat())))); + return m_dragDataMap.contains(urlWFormat()->cfFormat) || m_dragDataMap.contains(urlFormat()->cfFormat) + || (filenamePolicy == ConvertFilenames && (m_dragDataMap.contains(filenameWFormat()->cfFormat) || m_dragDataMap.contains(filenameFormat()->cfFormat))); +} + +const DragDataMap& DragData::dragDataMap() +{ + if (!m_dragDataMap.isEmpty() || !m_platformDragData) + return m_dragDataMap; + // Enumerate clipboard content and load it in the map. + COMPtr<IEnumFORMATETC> itr; + + if (FAILED(m_platformDragData->EnumFormatEtc(DATADIR_GET, &itr)) || !itr) + return m_dragDataMap; + + FORMATETC dataFormat; + while (itr->Next(1, &dataFormat, 0) == S_OK) { + Vector<String> dataStrings; + getClipboardData(m_platformDragData, &dataFormat, dataStrings); + if (!dataStrings.isEmpty()) + m_dragDataMap.set(dataFormat.cfFormat, dataStrings); + } + return m_dragDataMap; +} + +void DragData::getDragFileDescriptorData(int& size, String& pathname) +{ + size = 0; + if (m_platformDragData) + getFileDescriptorData(m_platformDragData, size, pathname); +} + +void DragData::getDragFileContentData(int size, void* dataBlob) +{ + if (m_platformDragData) + getFileContentData(m_platformDragData, size, dataBlob); +} + +String DragData::asURL(FilenameConversionPolicy filenamePolicy, String* title) const +{ + return (m_platformDragData) ? getURL(m_platformDragData, filenamePolicy, title) : getURL(&m_dragDataMap, filenamePolicy, title); +} + +bool DragData::containsFiles() const +{ +#if USE(CF) + return (m_platformDragData) ? SUCCEEDED(m_platformDragData->QueryGetData(cfHDropFormat())) : m_dragDataMap.contains(cfHDropFormat()->cfFormat); +#else + return false; +#endif +} + +unsigned DragData::numberOfFiles() const +{ +#if USE(CF) + if (!m_platformDragData) + return 0; + + STGMEDIUM medium; + if (FAILED(m_platformDragData->GetData(cfHDropFormat(), &medium))) + return 0; + + HDROP hdrop = static_cast<HDROP>(GlobalLock(medium.hGlobal)); + + if (!hdrop) + return 0; + + unsigned numFiles = DragQueryFileW(hdrop, 0xFFFFFFFF, 0, 0); + + DragFinish(hdrop); + GlobalUnlock(medium.hGlobal); + + return numFiles; +#else + return 0; +#endif +} + +void DragData::asFilenames(Vector<String>& result) const +{ +#if USE(CF) + if (m_platformDragData) { + WCHAR filename[MAX_PATH]; + + STGMEDIUM medium; + if (FAILED(m_platformDragData->GetData(cfHDropFormat(), &medium))) + return; + + HDROP hdrop = reinterpret_cast<HDROP>(GlobalLock(medium.hGlobal)); + + if (!hdrop) + return; + + const unsigned numFiles = DragQueryFileW(hdrop, 0xFFFFFFFF, 0, 0); + for (unsigned i = 0; i < numFiles; i++) { + if (!DragQueryFileW(hdrop, i, filename, WTF_ARRAY_LENGTH(filename))) + continue; + result.append(static_cast<UChar*>(filename)); + } + + // Free up memory from drag + DragFinish(hdrop); + + GlobalUnlock(medium.hGlobal); + return; + } + result = m_dragDataMap.get(cfHDropFormat()->cfFormat); +#endif +} + +bool DragData::containsPlainText() const +{ + if (m_platformDragData) + return SUCCEEDED(m_platformDragData->QueryGetData(plainTextWFormat())) + || SUCCEEDED(m_platformDragData->QueryGetData(plainTextFormat())); + return m_dragDataMap.contains(plainTextWFormat()->cfFormat) || m_dragDataMap.contains(plainTextFormat()->cfFormat); +} + +String DragData::asPlainText() const +{ + return (m_platformDragData) ? getPlainText(m_platformDragData) : getPlainText(&m_dragDataMap); +} + +bool DragData::containsColor() const +{ + return false; +} + +bool DragData::canSmartReplace() const +{ + if (m_platformDragData) + return SUCCEEDED(m_platformDragData->QueryGetData(smartPasteFormat())); + return m_dragDataMap.contains(smartPasteFormat()->cfFormat); +} + +bool DragData::containsCompatibleContent() const +{ + return containsPlainText() || containsURL() + || ((m_platformDragData) ? (containsHTML(m_platformDragData) || containsFilenames(m_platformDragData)) + : (containsHTML(&m_dragDataMap) || containsFilenames(&m_dragDataMap))) + || containsColor(); +} + +Color DragData::asColor() const +{ + return Color(); +} + +} |