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 "Widget.h" 30 31 namespace WebCore { 32 33 class Cursor; 34 35 class HostWindow { 36 WTF_MAKE_NONCOPYABLE(HostWindow); WTF_MAKE_FAST_ALLOCATED; 37 public: 38 HostWindow() { } 39 virtual ~HostWindow() { } 40 41 // Requests the host invalidate the window, not the contents. If immediate is true do so synchronously, otherwise async. 42 virtual void invalidateWindow(const IntRect& updateRect, bool immediate) = 0; 43 44 // Requests the host invalidate the contents and the window. If immediate is true do so synchronously, otherwise async. 45 virtual void invalidateContentsAndWindow(const IntRect& updateRect, bool immediate) = 0; 46 47 // Requests the host scroll backingstore by the specified delta, rect to scroll, and clip rect. 48 virtual void scroll(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect) = 0; 49 50 // Requests the host invalidate the contents, not the window. This is the slow path for scrolling. 51 virtual void invalidateContentsForSlowScroll(const IntRect& updateRect, bool immediate) = 0; 52 53 #if ENABLE(TILED_BACKING_STORE) 54 // Requests the host to do the actual scrolling. This is only used in combination with a tiled backing store. 55 virtual void delegatedScrollRequested(const IntPoint& scrollPoint) = 0; 56 #endif 57 58 // Methods for doing coordinate conversions to and from screen coordinates. 59 virtual IntPoint screenToWindow(const IntPoint&) const = 0; 60 virtual IntRect windowToScreen(const IntRect&) const = 0; 61 62 // Method for retrieving the native client of the page. 63 virtual PlatformPageClient platformPageClient() const = 0; 64 65 // To notify WebKit of scrollbar mode changes. 66 virtual void scrollbarsModeDidChange() const = 0; 67 68 // Request that the cursor change. 69 virtual void setCursor(const Cursor&) = 0; 70 71 #if ENABLE(REQUEST_ANIMATION_FRAME) 72 virtual void scheduleAnimation() = 0; 73 #endif 74 }; 75 76 } // namespace WebCore 77 78 #endif // HostWindow_h 79
