1 /* 2 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 3 * Copyright (C) 2006 Alexey Proskuryakov (ap (at) nypop.com) 4 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) 5 * Copyright (C) 2008 Eric Seidel <eric (at) webkit.org> 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #import "config.h" 30 #import "ScriptController.h" 31 32 #import "BridgeJSC.h" 33 #import "DOMAbstractViewFrame.h" 34 #import "DOMWindow.h" 35 #import "Frame.h" 36 #import "FrameLoader.h" 37 #import "FrameLoaderClient.h" 38 #import "JSDOMWindow.h" 39 #import "WebScriptObjectPrivate.h" 40 #import "Widget.h" 41 #import "objc_instance.h" 42 #import "runtime_root.h" 43 #import <JavaScriptCore/APICast.h> 44 #import <runtime/JSLock.h> 45 46 #if ENABLE(NETSCAPE_PLUGIN_API) 47 #import "c_instance.h" 48 #import "NP_jsobject.h" 49 #import "npruntime_impl.h" 50 #endif 51 52 #if ENABLE(JAVA_BRIDGE) 53 #import "JavaInstanceJSC.h" 54 #endif 55 56 @interface NSObject (WebPlugin) 57 - (id)objectForWebScript; 58 - (NPObject *)createPluginScriptableObject; 59 - (PassRefPtr<JSC::Bindings::Instance>)createPluginBindingsInstance:(PassRefPtr<JSC::Bindings::RootObject>)rootObject; 60 @end 61 62 using namespace JSC::Bindings; 63 64 namespace WebCore { 65 66 PassScriptInstance ScriptController::createScriptInstanceForWidget(Widget* widget) 67 { 68 NSView* widgetView = widget->platformWidget(); 69 if (!widgetView) 70 return 0; 71 72 RefPtr<RootObject> rootObject = createRootObject(widgetView); 73 74 if ([widgetView respondsToSelector:@selector(createPluginBindingsInstance:)]) 75 return [widgetView createPluginBindingsInstance:rootObject.release()]; 76 77 if ([widgetView respondsToSelector:@selector(objectForWebScript)]) { 78 id objectForWebScript = [widgetView objectForWebScript]; 79 if (!objectForWebScript) 80 return 0; 81 return JSC::Bindings::ObjcInstance::create(objectForWebScript, rootObject.release()); 82 } 83 84 if ([widgetView respondsToSelector:@selector(createPluginScriptableObject)]) { 85 #if !ENABLE(NETSCAPE_PLUGIN_API) 86 return 0; 87 #else 88 NPObject* npObject = [widgetView createPluginScriptableObject]; 89 if (!npObject) 90 return 0; 91 RefPtr<Instance> instance = JSC::Bindings::CInstance::create(npObject, rootObject.release()); 92 // -createPluginScriptableObject returns a retained NPObject. The caller is expected to release it. 93 _NPN_ReleaseObject(npObject); 94 return instance.release(); 95 #endif 96 } 97 98 #if ENABLE(JAVA_BRIDGE) 99 jobject applet = m_frame->loader()->client()->javaApplet(widgetView); 100 if (!applet) 101 return 0; 102 return JSC::Bindings::JavaInstance::create(applet, rootObject.release()); 103 #else 104 return 0; 105 #endif 106 } 107 108 WebScriptObject* ScriptController::windowScriptObject() 109 { 110 if (!canExecuteScripts(NotAboutToExecuteScript)) 111 return 0; 112 113 if (!m_windowScriptObject) { 114 JSC::JSLock lock(JSC::SilenceAssertionsOnly); 115 JSC::Bindings::RootObject* root = bindingRootObject(); 116 m_windowScriptObject = [WebScriptObject scriptObjectForJSObject:toRef(windowShell(pluginWorld())) originRootObject:root rootObject:root]; 117 } 118 119 ASSERT([m_windowScriptObject.get() isKindOfClass:[DOMAbstractView class]]); 120 return m_windowScriptObject.get(); 121 } 122 123 void ScriptController::updatePlatformScriptObjects() 124 { 125 if (m_windowScriptObject) { 126 JSC::Bindings::RootObject* root = bindingRootObject(); 127 [m_windowScriptObject.get() _setOriginRootObject:root andRootObject:root]; 128 } 129 } 130 131 void ScriptController::disconnectPlatformScriptObjects() 132 { 133 if (m_windowScriptObject) { 134 ASSERT([m_windowScriptObject.get() isKindOfClass:[DOMAbstractView class]]); 135 [(DOMAbstractView *)m_windowScriptObject.get() _disconnectFrame]; 136 } 137 } 138 139 #if ENABLE(JAVA_BRIDGE) 140 141 static pthread_t mainThread; 142 143 static void updateStyleIfNeededForBindings(JSC::ExecState*, JSC::JSObject* rootObject) 144 { 145 if (pthread_self() != mainThread) 146 return; 147 148 if (!rootObject) 149 return; 150 151 JSDOMWindow* window = static_cast<JSDOMWindow*>(rootObject); 152 if (!window) 153 return; 154 155 Frame* frame = window->impl()->frame(); 156 if (!frame) 157 return; 158 159 frame->document()->updateStyleIfNeeded(); 160 } 161 162 void ScriptController::initJavaJSBindings() 163 { 164 mainThread = pthread_self(); 165 JSC::Bindings::JavaJSObject::initializeJNIThreading(); 166 JSC::Bindings::Instance::setDidExecuteFunction(updateStyleIfNeededForBindings); 167 } 168 169 #endif 170 171 } 172
