1 /* 2 * Copyright 2009, 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 "V8CustomPositionCallback.h" 28 29 #include "Frame.h" 30 #include "V8CustomVoidCallback.h" // For invokeCallback 31 #include "V8Geoposition.h" 32 33 namespace WebCore { 34 35 V8CustomPositionCallback::V8CustomPositionCallback(v8::Local<v8::Object> callback, Frame* frame) 36 : m_callback(v8::Persistent<v8::Object>::New(callback)) 37 , m_frame(frame) 38 { 39 } 40 41 V8CustomPositionCallback::~V8CustomPositionCallback() 42 { 43 m_callback.Dispose(); 44 } 45 46 void V8CustomPositionCallback::handleEvent(Geoposition* position) 47 { 48 v8::HandleScope handleScope; 49 50 v8::Handle<v8::Context> context = V8Proxy::context(m_frame.get()); 51 if (context.IsEmpty()) 52 return; 53 54 v8::Context::Scope scope(context); 55 56 v8::Handle<v8::Value> argv[] = { 57 toV8(position) 58 }; 59 60 // Protect the frame until the callback returns. 61 RefPtr<Frame> protector(m_frame); 62 63 bool callbackReturnValue = false; 64 invokeCallback(m_callback, 1, argv, callbackReturnValue); 65 } 66 67 } // namespace WebCore 68
