1 /* 2 * Copyright (C) 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef HostWindow_h 27 #define HostWindow_h 28 29 #include <wtf/Noncopyable.h> 30 #include "Widget.h" 31 32 namespace WebCore { 33 34 class HostWindow : public Noncopyable { 35 public: ~HostWindow()36 virtual ~HostWindow() { } 37 38 // The repaint method asks the host window to repaint a rect in the window's coordinate space. The 39 // contentChanged boolean indicates whether or not the Web page content actually changed (or if a repaint 40 // of unchanged content is being requested). 41 virtual void repaint(const IntRect&, bool contentChanged, bool immediate = false, bool repaintContentOnly = false) = 0; 42 virtual void scroll(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect) = 0; 43 44 // The paint method just causes a synchronous update of the window to happen for platforms that need it (Windows). paint()45 void paint() { repaint(IntRect(), false, true); } 46 47 // Methods for doing coordinate conversions to and from screen coordinates. 48 virtual IntPoint screenToWindow(const IntPoint&) const = 0; 49 virtual IntRect windowToScreen(const IntRect&) const = 0; 50 51 // Method for retrieving the native window. 52 virtual PlatformWidget platformWindow() const = 0; 53 54 // For scrolling a rect into view recursively. Useful in the cases where a WebView is embedded inside some containing 55 // platform-specific ScrollView. 56 virtual void scrollRectIntoView(const IntRect&, const ScrollView*) const = 0; 57 }; 58 59 } // namespace WebCore 60 61 #endif // HostWindow_h 62