diff options
Diffstat (limited to 'widget/gtk/nsClipboard.h')
-rw-r--r-- | widget/gtk/nsClipboard.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/widget/gtk/nsClipboard.h b/widget/gtk/nsClipboard.h new file mode 100644 index 0000000000..95b6eb828a --- /dev/null +++ b/widget/gtk/nsClipboard.h @@ -0,0 +1,90 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:expandtab:shiftwidth=4:tabstop=4: + */ +/* 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 "mozilla/UniquePtr.h" +#include "nsIClipboard.h" +#include "nsIObserver.h" +#include <gtk/gtk.h> + +#ifdef MOZ_LOGGING +# include "mozilla/Logging.h" +# include "nsTArray.h" +# include "Units.h" +extern mozilla::LazyLogModule gClipboardLog; +# define LOGCLIP(args) MOZ_LOG(gClipboardLog, mozilla::LogLevel::Debug, args) +#else +# define LOGCLIP(args) +#endif /* MOZ_LOGGING */ + +class nsRetrievalContext { + public: + // Get actual clipboard content (GetClipboardData/GetClipboardText) + // which has to be released by ReleaseClipboardData(). + virtual const char* GetClipboardData(const char* aMimeType, + int32_t aWhichClipboard, + uint32_t* aContentLength) = 0; + virtual const char* GetClipboardText(int32_t aWhichClipboard) = 0; + virtual void ReleaseClipboardData(const char* aClipboardData) = 0; + + // Get data mime types which can be obtained from clipboard. + // The returned array has to be released by g_free(). + virtual GdkAtom* GetTargets(int32_t aWhichClipboard, int* aTargetNum) = 0; + + virtual bool HasSelectionSupport(void) = 0; + + virtual ~nsRetrievalContext() = default; +}; + +class nsClipboard : public nsIClipboard, public nsIObserver { + public: + nsClipboard(); + + NS_DECL_ISUPPORTS + NS_DECL_NSIOBSERVER + NS_DECL_NSICLIPBOARD + + // Make sure we are initialized, called from the factory + // constructor + nsresult Init(void); + + // Someone requested the selection + void SelectionGetEvent(GtkClipboard* aGtkClipboard, + GtkSelectionData* aSelectionData); + void SelectionClearEvent(GtkClipboard* aGtkClipboard); + + private: + virtual ~nsClipboard(); + + // Get our hands on the correct transferable, given a specific + // clipboard + nsITransferable* GetTransferable(int32_t aWhichClipboard); + + // Send clipboard data by nsITransferable + void SetTransferableData(nsITransferable* aTransferable, nsCString& aFlavor, + const char* aClipboardData, + uint32_t aClipboardDataLength); + + void ClearTransferable(int32_t aWhichClipboard); + + // Hang on to our owners and transferables so we can transfer data + // when asked. + nsCOMPtr<nsIClipboardOwner> mSelectionOwner; + nsCOMPtr<nsIClipboardOwner> mGlobalOwner; + nsCOMPtr<nsITransferable> mSelectionTransferable; + nsCOMPtr<nsITransferable> mGlobalTransferable; + mozilla::UniquePtr<nsRetrievalContext> mContext; +}; + +extern const int kClipboardTimeout; + +GdkAtom GetSelectionAtom(int32_t aWhichClipboard); +int GetGeckoClipboardType(GtkClipboard* aGtkClipboard); + +#endif /* __nsClipboard_h_ */ |