1 /* 2 * Copyright (C) 2007 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 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef WebNodeHighlight_h 30 #define WebNodeHighlight_h 31 32 #include <WebCore/WindowMessageListener.h> 33 #include <windows.h> 34 35 class WebView; 36 37 class WebNodeHighlight : WebCore::WindowMessageListener { 38 public: 39 WebNodeHighlight(WebView*); 40 ~WebNodeHighlight(); 41 42 void setShowsWhileWebViewIsVisible(bool); 43 44 bool isShowing() const; 45 46 void update(); 47 48 void placeBehindWindow(HWND); 49 50 private: 51 void show(); 52 void hide(); 53 54 bool isWebViewVisible() const; 55 56 virtual void windowReceivedMessage(HWND, UINT message, WPARAM, LPARAM); 57 58 void onWebViewShowWindow(bool showing); 59 void onWebViewWindowPosChanged(WINDOWPOS*); 60 void onRootWindowPosChanged(WINDOWPOS*); 61 62 WebView* m_inspectedWebView; 63 HWND m_inspectedWebViewWindow; 64 HWND m_overlay; 65 HWND m_observedWindow; 66 bool m_showsWhileWebViewIsVisible; 67 68 friend static LRESULT CALLBACK OverlayWndProc(HWND, UINT, WPARAM, LPARAM); 69 }; 70 71 #endif // !defined(WebNodeHighlight_h) 72