1 /* 2 * Copyright 2010, The Android Open Source Project 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 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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 #include "config.h" 27 #include "ScriptCachedFrameData.h" 28 29 #if PLATFORM(ANDROID) || PLATFORM(QT) 30 // FIXME: the right guard should be ENABLE(PAGE_CACHE). Replace with the right guard, once 31 // https://bugs.webkit.org/show_bug.cgi?id=35061 is fixed. 32 33 #include "Frame.h" 34 #include "ScriptController.h" 35 #include "V8DOMWindow.h" 36 37 namespace WebCore { 38 39 ScriptCachedFrameData::ScriptCachedFrameData(Frame* frame) 40 : m_domWindow(0) 41 { 42 v8::HandleScope handleScope; 43 // The context can only be the context of the main world. 44 ASSERT(V8Proxy::mainWorldContext(frame) == V8Proxy::context(frame)); 45 m_context.set(V8Proxy::mainWorldContext(frame)); 46 // The context can be 0, e.g. if JS is disabled in the browser. 47 if (m_context.get().IsEmpty()) 48 return; 49 m_global.set(m_context.get()->Global()); 50 m_domWindow = frame->domWindow(); 51 } 52 53 DOMWindow* ScriptCachedFrameData::domWindow() const 54 { 55 return m_domWindow; 56 } 57 58 void ScriptCachedFrameData::restore(Frame* frame) 59 { 60 if (m_context.get().IsEmpty()) 61 return; 62 63 v8::HandleScope handleScope; 64 v8::Context::Scope contextScope(m_context.get()); 65 66 m_context.get()->ReattachGlobal(m_global.get()); 67 V8Proxy* proxy = V8Proxy::retrieve(frame); 68 if (proxy) 69 proxy->windowShell()->setContext(m_context.get()); 70 } 71 72 void ScriptCachedFrameData::clear() 73 { 74 m_context.clear(); 75 m_global.clear(); 76 } 77 78 } // namespace WebCore 79 80 #endif // PLATFORM(ANDROID) || PLATFORM(QT) 81
