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Diffstat (limited to 'Source/WebCore/platform/win/WindowMessageBroadcaster.h')
-rw-r--r-- | Source/WebCore/platform/win/WindowMessageBroadcaster.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/Source/WebCore/platform/win/WindowMessageBroadcaster.h b/Source/WebCore/platform/win/WindowMessageBroadcaster.h new file mode 100644 index 000000000..3dd174523 --- /dev/null +++ b/Source/WebCore/platform/win/WindowMessageBroadcaster.h @@ -0,0 +1,70 @@ +/* + * 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. + * 3. Neither the name of Apple Inc. ("Apple") nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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. + */ + +#ifndef WindowMessageBroadcaster_h +#define WindowMessageBroadcaster_h + +#include <wtf/HashMap.h> +#include <wtf/HashSet.h> +#include <wtf/Noncopyable.h> + +namespace WebCore { + + class WindowMessageListener; + + class WindowMessageBroadcaster { + WTF_MAKE_NONCOPYABLE(WindowMessageBroadcaster); + public: + static void addListener(HWND, WindowMessageListener*); + static void removeListener(HWND, WindowMessageListener*); + + private: + typedef HashSet<WindowMessageListener*> ListenerSet; + + static LRESULT CALLBACK SubclassedWndProc(HWND, UINT, WPARAM, LPARAM); + + WindowMessageBroadcaster(HWND); + ~WindowMessageBroadcaster(); + + void addListener(WindowMessageListener*); + void removeListener(WindowMessageListener*); + const ListenerSet& listeners() const { return m_listeners; } + + void destroy(); + void unsubclassWindow(); + + WNDPROC originalWndProc() const { return m_originalWndProc; } + + HWND m_subclassedWindow; + WNDPROC m_originalWndProc; + ListenerSet m_listeners; + }; + +} // namespace WebCore + +#endif // WindowMessageBroadcaster_h |