Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 384 insertions, 0 deletions

diff --git a/Source/WebCore/platform/win/WCDataObject.cpp b/Source/WebCore/platform/win/WCDataObject.cpp
new file mode 100644
index 0000000..6b4c859
--- /dev/null
+++ b/Source/WebCore/platform/win/WCDataObject.cpp
@@ -0,0 +1,384 @@
+/*
+ * Copyright (C) 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 "WCDataObject.h"
+
+#include "PlatformString.h"
+
+namespace WebCore {
+
+class WCEnumFormatEtc : public IEnumFORMATETC
+{
+public:
+    WCEnumFormatEtc(const Vector<FORMATETC>& formats);
+    WCEnumFormatEtc(const Vector<FORMATETC*>& formats);
+
+    //IUnknown members
+    STDMETHOD(QueryInterface)(REFIID, void**);
+    STDMETHOD_(ULONG, AddRef)(void);
+    STDMETHOD_(ULONG, Release)(void);
+
+    //IEnumFORMATETC members
+    STDMETHOD(Next)(ULONG, LPFORMATETC, ULONG*);
+    STDMETHOD(Skip)(ULONG);
+    STDMETHOD(Reset)(void);
+    STDMETHOD(Clone)(IEnumFORMATETC**);
+
+private:
+    long m_ref;
+    Vector<FORMATETC>  m_formats;
+    size_t m_current;
+};
+
+
+
+WCEnumFormatEtc::WCEnumFormatEtc(const Vector<FORMATETC>& formats)
+: m_ref(1)
+, m_current(0)
+{
+    for(size_t i = 0; i < formats.size(); ++i)
+        m_formats.append(formats[i]);
+}
+
+WCEnumFormatEtc::WCEnumFormatEtc(const Vector<FORMATETC*>& formats)
+: m_ref(1)
+, m_current(0)
+{
+    for(size_t i = 0; i < formats.size(); ++i)
+        m_formats.append(*formats[i]);
+}
+
+STDMETHODIMP  WCEnumFormatEtc::QueryInterface(REFIID riid, void** ppvObject)
+{
+    *ppvObject = 0;
+    if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IEnumFORMATETC)) {
+        *ppvObject = this;
+        AddRef();
+        return S_OK;
+    }
+
+    return E_NOINTERFACE;
+}
+
+STDMETHODIMP_(ULONG) WCEnumFormatEtc::AddRef(void)
+{
+    return InterlockedIncrement(&m_ref);
+}
+
+STDMETHODIMP_(ULONG) WCEnumFormatEtc::Release(void)
+{
+    long c = InterlockedDecrement(&m_ref);
+    if (c == 0)
+        delete this;
+    return c;
+}
+
+STDMETHODIMP WCEnumFormatEtc::Next(ULONG celt, LPFORMATETC lpFormatEtc, ULONG* pceltFetched)
+{
+    if(pceltFetched != 0)
+        *pceltFetched=0;
+
+    ULONG cReturn = celt;
+
+    if(celt <= 0 || lpFormatEtc == 0 || m_current >= m_formats.size())
+        return S_FALSE;
+
+    if(pceltFetched == 0 && celt != 1) // pceltFetched can be 0 only for 1 item request
+        return S_FALSE;
+
+    while (m_current < m_formats.size() && cReturn > 0) {
+        *lpFormatEtc++ = m_formats[m_current++];
+        --cReturn;
+    }
+    if (pceltFetched != 0)
+        *pceltFetched = celt - cReturn;
+
+    return (cReturn == 0) ? S_OK : S_FALSE;
+}
+
+STDMETHODIMP WCEnumFormatEtc::Skip(ULONG celt)
+{
+    if((m_current + int(celt)) >= m_formats.size())
+        return S_FALSE;
+    m_current += celt;
+    return S_OK;
+}
+
+STDMETHODIMP WCEnumFormatEtc::Reset(void)
+{
+    m_current = 0;
+    return S_OK;
+}
+
+STDMETHODIMP WCEnumFormatEtc::Clone(IEnumFORMATETC** ppCloneEnumFormatEtc)
+{
+    if(!ppCloneEnumFormatEtc)
+        return E_POINTER;
+
+    WCEnumFormatEtc *newEnum = new WCEnumFormatEtc(m_formats);
+    if(!newEnum)
+        return E_OUTOFMEMORY;
+
+    newEnum->AddRef();
+    newEnum->m_current = m_current;
+    *ppCloneEnumFormatEtc = newEnum;
+    return S_OK;
+}
+
+
+
+//////////////////////////////////////////////////////////////////////////
+
+HRESULT WCDataObject::createInstance(WCDataObject** result)
+{
+    if (!result)
+        return E_POINTER;
+    *result = new WCDataObject();
+    return S_OK;
+}
+
+WCDataObject::WCDataObject()
+: m_ref(1)
+{
+}
+
+WCDataObject::~WCDataObject()
+{
+    for(size_t i = 0; i < m_medium.size(); ++i) {
+        ReleaseStgMedium(m_medium[i]);
+        delete m_medium[i];
+    }
+    WTF::deleteAllValues(m_formats);
+}
+
+STDMETHODIMP WCDataObject::QueryInterface(REFIID riid,void** ppvObject)
+{
+    *ppvObject = 0;
+    if (IsEqualIID(riid, IID_IUnknown) || 
+        IsEqualIID(riid, IID_IDataObject)) {
+        *ppvObject=this;
+    }
+    if (*ppvObject) {
+        AddRef();
+        return S_OK;
+    }
+    return E_NOINTERFACE;
+}
+
+STDMETHODIMP_(ULONG) WCDataObject::AddRef( void)
+{
+    return InterlockedIncrement(&m_ref);
+}
+
+STDMETHODIMP_(ULONG) WCDataObject::Release( void)
+{
+    long c = InterlockedDecrement(&m_ref);
+    if (c == 0)
+        delete this;
+    return c;
+}
+
+STDMETHODIMP WCDataObject::GetData(FORMATETC* pformatetcIn, STGMEDIUM* pmedium)
+{ 
+    if(!pformatetcIn || !pmedium)
+        return E_POINTER;
+    pmedium->hGlobal = 0;
+
+    for(size_t i=0; i < m_formats.size(); ++i) {
+        if(/*pformatetcIn->tymed & m_formats[i]->tymed &&*/     // tymed can be 0 (TYMED_NULL) - but it can have a medium that contains an pUnkForRelease
+            pformatetcIn->lindex == m_formats[i]->lindex &&
+            pformatetcIn->dwAspect == m_formats[i]->dwAspect &&
+            pformatetcIn->cfFormat == m_formats[i]->cfFormat) {
+            CopyMedium(pmedium, m_medium[i], m_formats[i]);
+            return S_OK;
+        }
+    }
+    return DV_E_FORMATETC;
+}
+
+STDMETHODIMP WCDataObject::GetDataHere(FORMATETC*, STGMEDIUM*)
+{ 
+    return E_NOTIMPL;
+}
+
+STDMETHODIMP WCDataObject::QueryGetData(FORMATETC* pformatetc)
+{ 
+    if(!pformatetc)
+        return E_POINTER;
+
+    if (!(DVASPECT_CONTENT & pformatetc->dwAspect))
+        return (DV_E_DVASPECT);
+    HRESULT  hr = DV_E_TYMED;
+    for(size_t i = 0; i < m_formats.size(); ++i) {
+        if(pformatetc->tymed & m_formats[i]->tymed) {
+            if(pformatetc->cfFormat == m_formats[i]->cfFormat)
+                return S_OK;
+            else
+                hr = DV_E_CLIPFORMAT;
+        }
+        else
+            hr = DV_E_TYMED;
+    }
+    return hr;
+}
+
+STDMETHODIMP WCDataObject::GetCanonicalFormatEtc(FORMATETC*, FORMATETC*)
+{ 
+    return DATA_S_SAMEFORMATETC;
+}
+
+STDMETHODIMP WCDataObject::SetData(FORMATETC* pformatetc, STGMEDIUM* pmedium, BOOL fRelease)
+{ 
+    if(!pformatetc || !pmedium)
+        return E_POINTER;
+
+    FORMATETC* fetc=new FORMATETC;
+    if (!fetc)
+        return E_OUTOFMEMORY;
+
+    STGMEDIUM* pStgMed = new STGMEDIUM;
+
+    if(!pStgMed) {
+        delete fetc;
+        return E_OUTOFMEMORY;
+    }
+
+    ZeroMemory(fetc,sizeof(FORMATETC));
+    ZeroMemory(pStgMed,sizeof(STGMEDIUM));
+
+    *fetc = *pformatetc;
+    m_formats.append(fetc);
+
+    if(fRelease)
+        *pStgMed = *pmedium;
+    else
+        CopyMedium(pStgMed, pmedium, pformatetc);
+    m_medium.append(pStgMed);
+
+    return S_OK;
+}
+
+void WCDataObject::CopyMedium(STGMEDIUM* pMedDest, STGMEDIUM* pMedSrc, FORMATETC* pFmtSrc)
+{
+    switch(pMedSrc->tymed)
+    {
+#if !OS(WINCE)
+    case TYMED_HGLOBAL:
+        pMedDest->hGlobal = (HGLOBAL)OleDuplicateData(pMedSrc->hGlobal,pFmtSrc->cfFormat, 0);
+        break;
+    case TYMED_GDI:
+        pMedDest->hBitmap = (HBITMAP)OleDuplicateData(pMedSrc->hBitmap,pFmtSrc->cfFormat, 0);
+        break;
+    case TYMED_MFPICT:
+        pMedDest->hMetaFilePict = (HMETAFILEPICT)OleDuplicateData(pMedSrc->hMetaFilePict,pFmtSrc->cfFormat, 0);
+        break;
+    case TYMED_ENHMF:
+        pMedDest->hEnhMetaFile = (HENHMETAFILE)OleDuplicateData(pMedSrc->hEnhMetaFile,pFmtSrc->cfFormat, 0);
+        break;
+    case TYMED_FILE:
+        pMedSrc->lpszFileName = (LPOLESTR)OleDuplicateData(pMedSrc->lpszFileName,pFmtSrc->cfFormat, 0);
+        break;
+#endif
+    case TYMED_ISTREAM:
+        pMedDest->pstm = pMedSrc->pstm;
+        pMedSrc->pstm->AddRef();
+        break;
+    case TYMED_ISTORAGE:
+        pMedDest->pstg = pMedSrc->pstg;
+        pMedSrc->pstg->AddRef();
+        break;
+    default:
+        break;
+    }
+    pMedDest->tymed = pMedSrc->tymed;
+    pMedDest->pUnkForRelease = 0;
+    if(pMedSrc->pUnkForRelease != 0) {
+        pMedDest->pUnkForRelease = pMedSrc->pUnkForRelease;
+        pMedSrc->pUnkForRelease->AddRef();
+    }
+}
+STDMETHODIMP WCDataObject::EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC** ppenumFormatEtc)
+{ 
+    if(!ppenumFormatEtc)
+        return E_POINTER;
+
+    *ppenumFormatEtc=0;
+    switch (dwDirection)
+    {
+    case DATADIR_GET:
+        *ppenumFormatEtc= new WCEnumFormatEtc(m_formats);
+        if(!(*ppenumFormatEtc))
+            return E_OUTOFMEMORY;
+        break;
+
+    case DATADIR_SET:
+    default:
+        return E_NOTIMPL;
+        break;
+    }
+
+    return S_OK;
+}
+
+STDMETHODIMP WCDataObject::DAdvise(FORMATETC*, DWORD, IAdviseSink*,DWORD*)
+{ 
+    return OLE_E_ADVISENOTSUPPORTED;
+}
+
+STDMETHODIMP WCDataObject::DUnadvise(DWORD)
+{
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE WCDataObject::EnumDAdvise(IEnumSTATDATA**)
+{
+    return OLE_E_ADVISENOTSUPPORTED;
+}
+
+void WCDataObject::clearData(CLIPFORMAT format)
+{
+    size_t ptr = 0;
+    while (ptr < m_formats.size()) {
+        if (m_formats[ptr]->cfFormat == format) {
+            FORMATETC* current = m_formats[ptr];
+            m_formats[ptr] = m_formats[m_formats.size() - 1];
+            m_formats[m_formats.size() - 1] = 0;
+            m_formats.removeLast();
+            delete current;
+            STGMEDIUM* medium = m_medium[ptr];
+            m_medium[ptr] = m_medium[m_medium.size() - 1];
+            m_medium[m_medium.size() - 1] = 0;
+            m_medium.removeLast();
+            ReleaseStgMedium(medium);
+            delete medium;
+            continue;
+        }
+        ptr++;
+    }
+}
+
+
+}