Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 115 insertions, 0 deletions

diff --git a/widget/windows/nsClipboard.h b/widget/windows/nsClipboard.h
new file mode 100644
index 0000000000..2f0ed4aa3b
--- /dev/null
+++ b/widget/windows/nsClipboard.h
@@ -0,0 +1,115 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsClipboard_h__
+#define nsClipboard_h__
+
+#include "nsBaseClipboard.h"
+#include "nsIObserver.h"
+#include "nsIURI.h"
+
+#include <ole2.h>
+#include <windows.h>
+
+class nsITransferable;
+class nsIWidget;
+class nsIFile;
+struct IDataObject;
+
+/**
+ * Native Win32 Clipboard wrapper
+ */
+
+class nsClipboard : public nsBaseClipboard, public nsIObserver {
+  virtual ~nsClipboard();
+
+ public:
+  nsClipboard();
+
+  NS_DECL_ISUPPORTS_INHERITED
+
+  // nsIObserver
+  NS_DECL_NSIOBSERVER
+
+  // nsIClipboard
+  NS_IMETHOD HasDataMatchingFlavors(const nsTArray<nsCString>& aFlavorList,
+                                    int32_t aWhichClipboard,
+                                    bool* _retval) override;
+  NS_IMETHOD EmptyClipboard(int32_t aWhichClipboard) override;
+
+  // Internal Native Routines
+  enum class MightNeedToFlush : bool { No, Yes };
+  static nsresult CreateNativeDataObject(nsITransferable* aTransferable,
+                                         IDataObject** aDataObj, nsIURI* aUri,
+                                         MightNeedToFlush* = nullptr);
+  static nsresult SetupNativeDataObject(nsITransferable* aTransferable,
+                                        IDataObject* aDataObj,
+                                        MightNeedToFlush* = nullptr);
+  static nsresult GetDataFromDataObject(IDataObject* aDataObject, UINT anIndex,
+                                        nsIWidget* aWindow,
+                                        nsITransferable* aTransferable);
+  static nsresult GetNativeDataOffClipboard(nsIWidget* aWindow, UINT aIndex,
+                                            UINT aFormat, void** aData,
+                                            uint32_t* aLen);
+  static nsresult GetNativeDataOffClipboard(IDataObject* aDataObject,
+                                            UINT aIndex, UINT aFormat,
+                                            const char* aMIMEImageFormat,
+                                            void** aData, uint32_t* aLen);
+  static nsresult GetGlobalData(HGLOBAL aHGBL, void** aData, uint32_t* aLen);
+
+  // This function returns the internal Windows clipboard format identifier
+  // for a given Mime string. The default is to map kHTMLMime ("text/html")
+  // to the clipboard format CF_HTML ("HTLM Format"), but it can also be
+  // registered as clipboard format "text/html" to support previous versions
+  // of Gecko.
+  static UINT GetFormat(const char* aMimeStr, bool aMapHTMLMime = true);
+
+  static UINT GetClipboardFileDescriptorFormatA();
+  static UINT GetClipboardFileDescriptorFormatW();
+  static UINT GetHtmlClipboardFormat();
+  static UINT GetCustomClipboardFormat();
+
+ protected:
+  // @param aDataObject must be non-nullptr.
+  static HRESULT FillSTGMedium(IDataObject* aDataObject, UINT aFormat,
+                               LPFORMATETC pFE, LPSTGMEDIUM pSTM, DWORD aTymed);
+
+  // Implement the native clipboard behavior.
+  NS_IMETHOD SetNativeClipboardData(nsITransferable* aTransferable,
+                                    nsIClipboardOwner* aOwner,
+                                    int32_t aWhichClipboard) override;
+  NS_IMETHOD GetNativeClipboardData(nsITransferable* aTransferable,
+                                    int32_t aWhichClipboard) override;
+
+  static bool IsInternetShortcut(const nsAString& inFileName);
+  static bool FindURLFromLocalFile(IDataObject* inDataObject, UINT inIndex,
+                                   void** outData, uint32_t* outDataLen);
+  static bool FindURLFromNativeURL(IDataObject* inDataObject, UINT inIndex,
+                                   void** outData, uint32_t* outDataLen);
+  static bool FindUnicodeFromPlainText(IDataObject* inDataObject, UINT inIndex,
+                                       void** outData, uint32_t* outDataLen);
+  static bool FindPlatformHTML(IDataObject* inDataObject, UINT inIndex,
+                               void** outData, uint32_t* outStartOfData,
+                               uint32_t* outDataLen);
+
+  static void ResolveShortcut(nsIFile* inFileName, nsACString& outURL);
+  static nsresult GetTempFilePath(const nsAString& aFileName,
+                                  nsAString& aFilePath);
+  static nsresult SaveStorageOrStream(IDataObject* aDataObject, UINT aIndex,
+                                      const nsAString& aFileName);
+
+  nsIWidget* mWindow;
+};
+
+#define SET_FORMATETC(fe, cf, td, asp, li, med) \
+  {                                             \
+    (fe).cfFormat = cf;                         \
+    (fe).ptd = td;                              \
+    (fe).dwAspect = asp;                        \
+    (fe).lindex = li;                           \
+    (fe).tymed = med;                           \
+  }
+
+#endif  // nsClipboard_h__