// Copyright (c) 2010 The Chromium Embedded Framework Authors. All rights // reserved. Use of this source code is governed by a BSD-style license that // can be found in the LICENSE file. #include "include/cef.h" #include "include/cef_wrapper.h" #include "cefclient.h" #include "binding_test.h" #include "download_handler.h" #include "string_util.h" #include "util.h" #include #include #include // ClientHandler::ClientDownloadListener implementation void ClientHandler::ClientDownloadListener::NotifyDownloadComplete( const CefString& fileName) { handler_->SetLastDownloadFile(fileName); handler_->SendNotification(NOTIFY_DOWNLOAD_COMPLETE); } void ClientHandler::ClientDownloadListener::NotifyDownloadError( const CefString& fileName) { handler_->SetLastDownloadFile(fileName); handler_->SendNotification(NOTIFY_DOWNLOAD_ERROR); } // ClientHandler implementation ClientHandler::ClientHandler() : m_MainHwnd(NULL), m_BrowserHwnd(NULL), m_EditHwnd(NULL), m_bLoading(false), m_bCanGoBack(false), m_bCanGoForward(false), ALLOW_THIS_IN_INITIALIZER_LIST( m_DownloadListener(new ClientDownloadListener(this))) { } ClientHandler::~ClientHandler() { } CefHandler::RetVal ClientHandler::HandleAfterCreated( CefRefPtr browser) { Lock(); if(!browser->IsPopup()) { // We need to keep the main child window, but not popup windows m_Browser = browser; m_BrowserHwnd = browser->GetWindowHandle(); } Unlock(); return RV_CONTINUE; } CefHandler::RetVal ClientHandler::HandleLoadStart(CefRefPtr browser, CefRefPtr frame, bool isMainContent) { if(!browser->IsPopup() && !frame.get()) { Lock(); // We've just started loading a page m_bLoading = true; m_bCanGoBack = false; m_bCanGoForward = false; Unlock(); } return RV_CONTINUE; } CefHandler::RetVal ClientHandler::HandleLoadEnd(CefRefPtr browser, CefRefPtr frame, bool isMainContent) { if(!browser->IsPopup() && !frame.get()) { Lock(); // We've just finished loading a page m_bLoading = false; m_bCanGoBack = browser->CanGoBack(); m_bCanGoForward = browser->CanGoForward(); Unlock(); } return RV_CONTINUE; } CefHandler::RetVal ClientHandler::HandleLoadError(CefRefPtr browser, CefRefPtr frame, ErrorCode errorCode, const CefString& failedUrl, CefString& errorText) { if(errorCode == ERR_CACHE_MISS) { // Usually caused by navigating to a page with POST data via back or // forward buttons. errorText = "Expired Form Data" "

Expired Form Data

" "

Your form request has expired. " "Click reload to re-submit the form data.

" ""; } else { // All other messages. std::stringstream ss; ss << "Load Failed" "

Load Failed

" "

Load of URL " << std::string(failedUrl) << " failed with error code " << static_cast(errorCode) << ".

" ""; errorText = ss.str(); } return RV_HANDLED; } CefHandler::RetVal ClientHandler::HandleDownloadResponse( CefRefPtr browser, const CefString& mimeType, const CefString& fileName, int64 contentLength, CefRefPtr& handler) { // Create the handler for the file download. handler = CreateDownloadHandler(m_DownloadListener, fileName); return RV_CONTINUE; } CefHandler::RetVal ClientHandler::HandlePrintHeaderFooter( CefRefPtr browser, CefRefPtr frame, CefPrintInfo& printInfo, const CefString& url, const CefString& title, int currentPage, int maxPages, CefString& topLeft, CefString& topCenter, CefString& topRight, CefString& bottomLeft, CefString& bottomCenter, CefString& bottomRight) { // Place the page title at top left topLeft = title; // Place the page URL at top right topRight = url; // Place "Page X of Y" at bottom center std::stringstream strstream; strstream << "Page " << currentPage << " of " << maxPages; bottomCenter = strstream.str(); return RV_CONTINUE; } CefHandler::RetVal ClientHandler::HandleJSBinding(CefRefPtr browser, CefRefPtr frame, CefRefPtr object) { // Add the V8 bindings. InitBindingTest(browser, frame, object); return RV_HANDLED; } CefHandler::RetVal ClientHandler::HandleBeforeWindowClose( CefRefPtr browser) { if(m_BrowserHwnd == browser->GetWindowHandle()) { // Free the browser pointer so that the browser can be destroyed m_Browser = NULL; } return RV_CONTINUE; } CefHandler::RetVal ClientHandler::HandleConsoleMessage( CefRefPtr browser, const CefString& message, const CefString& source, int line) { Lock(); bool first_message = m_LogFile.empty(); if(first_message) { std::stringstream ss; ss << AppGetWorkingDirectory(); #ifdef _WIN32 ss << "\\"; #else ss << "/"; #endif ss << "console.log"; m_LogFile = ss.str(); } std::string logFile = m_LogFile; Unlock(); FILE* file = fopen(logFile.c_str(), "a"); if(file) { std::stringstream ss; ss << "Message: " << std::string(message) << "\r\nSource: " << std::string(source) << "\r\nLine: " << line << "\r\n-----------------------\r\n"; fputs(ss.str().c_str(), file); fclose(file); if(first_message) SendNotification(NOTIFY_CONSOLE_MESSAGE); } return RV_HANDLED; } void ClientHandler::GetNavState(bool &isLoading, bool &canGoBack, bool &canGoForward) { Lock(); isLoading = m_bLoading; canGoBack = m_bCanGoBack; canGoForward = m_bCanGoForward; Unlock(); } void ClientHandler::SetMainHwnd(CefWindowHandle hwnd) { Lock(); m_MainHwnd = hwnd; Unlock(); } void ClientHandler::SetEditHwnd(CefWindowHandle hwnd) { Lock(); m_EditHwnd = hwnd; Unlock(); } std::string ClientHandler::GetLogFile() { Lock(); std::string str = m_LogFile; Unlock(); return str; } void ClientHandler::SetLastDownloadFile(const std::string& fileName) { Lock(); m_LastDownloadFile = fileName; Unlock(); } std::string ClientHandler::GetLastDownloadFile() { std::string str; Lock(); str = m_LastDownloadFile; Unlock(); return str; } // Global functions CefRefPtr g_handler; CefRefPtr AppGetBrowser() { if(!g_handler.get()) return NULL; return g_handler->GetBrowser(); } CefWindowHandle AppGetMainHwnd() { if(!g_handler.get()) return NULL; return g_handler->GetMainHwnd(); } void RunGetSourceTest(CefRefPtr frame) { // Retrieve the current page source and display. std::string source = frame->GetSource(); source = StringReplace(source, "<", "<"); source = StringReplace(source, ">", ">"); std::stringstream ss; ss << "Source:" << "

" << source
      << "

"; frame->LoadString(ss.str(), "http://tests/getsource"); } void RunGetTextTest(CefRefPtr frame) { // Retrieve the current page text and display. std::string text = frame->GetText(); text = StringReplace(text, "<", "<"); text = StringReplace(text, ">", ">"); std::stringstream ss; ss << "Text:" << "

" << text
      << "

"; frame->LoadString(ss.str(), "http://tests/gettext"); } void RunRequestTest(CefRefPtr browser) { // Create a new request CefRefPtr request(CefRequest::CreateRequest()); // Set the request URL request->SetURL("http://tests/request"); // Add post data to the request. The correct method and content- // type headers will be set by CEF. CefRefPtr postDataElement( CefPostDataElement::CreatePostDataElement()); std::string data = "arg1=val1&arg2=val2"; postDataElement->SetToBytes(data.length(), data.c_str()); CefRefPtr postData(CefPostData::CreatePostData()); postData->AddElement(postDataElement); request->SetPostData(postData); // Add a custom header CefRequest::HeaderMap headerMap; headerMap.insert( std::make_pair("X-My-Header", "My Header Value")); request->SetHeaderMap(headerMap); // Load the request browser->GetMainFrame()->LoadRequest(request); } void RunJavaScriptExecuteTest(CefRefPtr browser) { browser->GetMainFrame()->ExecuteJavaScript( "alert('JavaScript execute works!');", "about:blank", 0); } void RunPopupTest(CefRefPtr browser) { browser->GetMainFrame()->ExecuteJavaScript( "window.open('http://www.google.com');", "about:blank", 0); } void RunLocalStorageTest(CefRefPtr browser) { browser->GetMainFrame()->LoadURL("http://tests/localstorage"); } void RunAccelerated2DCanvasTest(CefRefPtr browser) { browser->GetMainFrame()->LoadURL( "http://mudcu.be/labs/JS1k/BreathingGalaxies.html"); } void RunAcceleratedLayersTest(CefRefPtr browser) { browser->GetMainFrame()->LoadURL( "http://webkit.org/blog-files/3d-transforms/poster-circle.html"); } void RunWebGLTest(CefRefPtr browser) { browser->GetMainFrame()->LoadURL( "http://webglsamples.googlecode.com/hg/field/field.html"); } void RunHTML5VideoTest(CefRefPtr browser) { browser->GetMainFrame()->LoadURL( "http://www.youtube.com/watch?v=siOHh0uzcuY&html5=True"); } void RunXMLHTTPRequestTest(CefRefPtr browser) { browser->GetMainFrame()->LoadURL("http://tests/xmlhttprequest"); }