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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/platform/chromium/FramelessScrollView.h | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/platform/chromium/FramelessScrollView.h')
-rw-r--r-- | Source/WebCore/platform/chromium/FramelessScrollView.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/Source/WebCore/platform/chromium/FramelessScrollView.h b/Source/WebCore/platform/chromium/FramelessScrollView.h new file mode 100644 index 0000000..300f418 --- /dev/null +++ b/Source/WebCore/platform/chromium/FramelessScrollView.h @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2008, 2009, Google 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: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT + * OWNER 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. + */ + +#ifndef FramelessScrollView_h +#define FramelessScrollView_h + +#include "ScrollView.h" + +namespace WebCore { + + class FramelessScrollViewClient; + class PlatformKeyboardEvent; + class PlatformMouseEvent; + class PlatformWheelEvent; + + // A FramelessScrollView is a ScrollView that can be used to render custom + // content, which does not have an associated Frame. + // + // NOTE: It may be better to just develop a custom subclass of Widget that + // can have scroll bars for this instead of trying to reuse ScrollView. + // + class FramelessScrollView : public ScrollView { + public: + FramelessScrollView() : m_client(0) {} + ~FramelessScrollView(); + + FramelessScrollViewClient* client() const { return m_client; } + void setClient(FramelessScrollViewClient* client) { m_client = client; } + + // Event handlers that subclasses must implement. + virtual bool handleMouseDownEvent(const PlatformMouseEvent&) = 0; + virtual bool handleMouseMoveEvent(const PlatformMouseEvent&) = 0; + virtual bool handleMouseReleaseEvent(const PlatformMouseEvent&) = 0; + virtual bool handleWheelEvent(const PlatformWheelEvent&) = 0; + virtual bool handleKeyEvent(const PlatformKeyboardEvent&) = 0; + + // ScrollbarClient public methods: + virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&); + virtual bool isActive() const; + + // Widget public methods: + virtual void invalidateRect(const IntRect&); + + // ScrollView public methods: + virtual HostWindow* hostWindow() const; + virtual IntRect windowClipRect(bool clipToContents = true) const; + + protected: + // ScrollView protected methods: + virtual void paintContents(GraphicsContext*, const IntRect& damageRect); + virtual void contentsResized(); + virtual void visibleContentsResized(); + + private: + FramelessScrollViewClient* m_client; + }; + +} // namespace WebCore + +#endif |