1/* 2 * Copyright (C) 2010 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. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "WKBundlePageOverlay.h" 28 29#include "APIClient.h" 30#include "PageOverlay.h" 31#include "WKAPICast.h" 32#include "WKBundleAPICast.h" 33#include <WebCore/GraphicsContext.h> 34 35namespace API { 36 37template<> struct ClientTraits<WKBundlePageOverlayClientBase> { 38 typedef std::tuple<WKBundlePageOverlayClientV0> Versions; 39}; 40 41template<> struct ClientTraits<WKBundlePageOverlayAccessibilityClientBase> { 42 typedef std::tuple<WKBundlePageOverlayAccessibilityClientV0> Versions; 43}; 44 45} 46 47using namespace WebCore; 48using namespace WebKit; 49 50class PageOverlayClientImpl : API::Client<WKBundlePageOverlayClientBase>, public PageOverlay::Client { 51public: 52 explicit PageOverlayClientImpl(WKBundlePageOverlayClientBase* client) 53 { 54 initialize(client); 55 } 56 57 virtual void setAccessibilityClient(WKBundlePageOverlayAccessibilityClientBase* client) 58 { 59 m_accessibilityClient.initialize(client); 60 } 61 62private: 63 // PageOverlay::Client. 64 virtual void pageOverlayDestroyed(PageOverlay*) 65 { 66 delete this; 67 } 68 69 virtual void willMoveToWebPage(PageOverlay* pageOverlay, WebPage* page) 70 { 71 if (!m_client.willMoveToPage) 72 return; 73 74 m_client.willMoveToPage(toAPI(pageOverlay), toAPI(page), m_client.base.clientInfo); 75 } 76 77 virtual void didMoveToWebPage(PageOverlay* pageOverlay, WebPage* page) 78 { 79 if (!m_client.didMoveToPage) 80 return; 81 82 m_client.didMoveToPage(toAPI(pageOverlay), toAPI(page), m_client.base.clientInfo); 83 } 84 85 virtual void drawRect(PageOverlay* pageOverlay, GraphicsContext& graphicsContext, const IntRect& dirtyRect) 86 { 87 if (!m_client.drawRect) 88 return; 89 90 m_client.drawRect(toAPI(pageOverlay), graphicsContext.platformContext(), toAPI(dirtyRect), m_client.base.clientInfo); 91 } 92 93 virtual bool mouseEvent(PageOverlay* pageOverlay, const WebMouseEvent& event) 94 { 95 switch (event.type()) { 96 case WebEvent::MouseDown: { 97 if (!m_client.mouseDown) 98 return false; 99 100 return m_client.mouseDown(toAPI(pageOverlay), toAPI(event.position()), toAPI(event.button()), m_client.base.clientInfo); 101 } 102 case WebEvent::MouseUp: { 103 if (!m_client.mouseUp) 104 return false; 105 106 return m_client.mouseUp(toAPI(pageOverlay), toAPI(event.position()), toAPI(event.button()), m_client.base.clientInfo); 107 } 108 case WebEvent::MouseMove: { 109 if (event.button() == WebMouseEvent::NoButton) { 110 if (!m_client.mouseMoved) 111 return false; 112 113 return m_client.mouseMoved(toAPI(pageOverlay), toAPI(event.position()), m_client.base.clientInfo); 114 } 115 116 // This is a MouseMove event with a mouse button pressed. Call mouseDragged. 117 if (!m_client.mouseDragged) 118 return false; 119 120 return m_client.mouseDragged(toAPI(pageOverlay), toAPI(event.position()), toAPI(event.button()), m_client.base.clientInfo); 121 } 122 123 default: 124 return false; 125 } 126 } 127 128 virtual WKTypeRef copyAccessibilityAttributeValue(PageOverlay* pageOverlay, WKStringRef attribute, WKTypeRef parameter) 129 { 130 if (!m_accessibilityClient.client().copyAccessibilityAttributeValue) 131 return 0; 132 return m_accessibilityClient.client().copyAccessibilityAttributeValue(toAPI(pageOverlay), attribute, parameter, m_accessibilityClient.client().base.clientInfo); 133 } 134 135 virtual WKArrayRef copyAccessibilityAttributeNames(PageOverlay* pageOverlay, bool paramerizedNames) 136 { 137 if (!m_accessibilityClient.client().copyAccessibilityAttributeNames) 138 return 0; 139 return m_accessibilityClient.client().copyAccessibilityAttributeNames(toAPI(pageOverlay), paramerizedNames, m_accessibilityClient.client().base.clientInfo); 140 } 141 142 API::Client<WKBundlePageOverlayAccessibilityClientBase> m_accessibilityClient; 143}; 144 145WKTypeID WKBundlePageOverlayGetTypeID() 146{ 147 return toAPI(PageOverlay::APIType); 148} 149 150WKBundlePageOverlayRef WKBundlePageOverlayCreate(WKBundlePageOverlayClientBase* wkClient) 151{ 152 if (wkClient && wkClient->version) 153 return 0; 154 155 auto clientImpl = std::make_unique<PageOverlayClientImpl>(wkClient); 156 157 // FIXME: Looks like this leaks the clientImpl. 158 return toAPI(PageOverlay::create(clientImpl.release()).leakRef()); 159} 160 161void WKBundlePageOverlaySetAccessibilityClient(WKBundlePageOverlayRef bundlePageOverlayRef, WKBundlePageOverlayAccessibilityClientBase* client) 162{ 163 if (client && client->version) 164 return; 165 static_cast<PageOverlayClientImpl*>(toImpl(bundlePageOverlayRef)->client())->setAccessibilityClient(client); 166} 167 168void WKBundlePageOverlaySetNeedsDisplay(WKBundlePageOverlayRef bundlePageOverlayRef, WKRect rect) 169{ 170 toImpl(bundlePageOverlayRef)->setNeedsDisplay(enclosingIntRect(toFloatRect(rect))); 171} 172 173float WKBundlePageOverlayFractionFadedIn(WKBundlePageOverlayRef) 174{ 175 // Clients who include the fade opacity during painting interfere 176 // with composited fade, so we'll pretend we're opaque and do the 177 // fade on our own. 178 179 return 1; 180} 181 182void WKBundlePageOverlayClear(WKBundlePageOverlayRef bundlePageOverlayRef) 183{ 184 toImpl(bundlePageOverlayRef)->clear(); 185} 186