291 lines
7.9 KiB
C++
291 lines
7.9 KiB
C++
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// Copyright (c) 2011 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#include "include/cef.h"
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#include "client_handler.h"
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#include "binding_test.h"
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#include "cefclient.h"
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#include "download_handler.h"
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#include "string_util.h"
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#include <sstream>
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#include <stdio.h>
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#include <string>
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ClientHandler::ClientHandler()
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: m_MainHwnd(NULL),
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m_BrowserHwnd(NULL),
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m_EditHwnd(NULL),
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m_BackHwnd(NULL),
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m_ForwardHwnd(NULL),
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m_StopHwnd(NULL),
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m_ReloadHwnd(NULL)
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{
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}
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ClientHandler::~ClientHandler()
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{
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}
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void ClientHandler::OnAfterCreated(CefRefPtr<CefBrowser> browser)
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{
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REQUIRE_UI_THREAD();
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AutoLock lock_scope(this);
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if(!browser->IsPopup())
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{
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// We need to keep the main child window, but not popup windows
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m_Browser = browser;
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m_BrowserHwnd = browser->GetWindowHandle();
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}
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}
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void ClientHandler::OnBeforeClose(CefRefPtr<CefBrowser> browser)
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{
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REQUIRE_UI_THREAD();
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if(m_BrowserHwnd == browser->GetWindowHandle()) {
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// Free the browser pointer so that the browser can be destroyed
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m_Browser = NULL;
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}
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}
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void ClientHandler::OnLoadStart(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame)
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{
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REQUIRE_UI_THREAD();
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if(!browser->IsPopup() && frame->IsMain()) {
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// We've just started loading a page
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SetLoading(true);
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}
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}
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void ClientHandler::OnLoadEnd(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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int httpStatusCode)
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{
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REQUIRE_UI_THREAD();
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if(!browser->IsPopup() && frame->IsMain()) {
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// We've just finished loading a page
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SetLoading(false);
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CefRefPtr<CefDOMVisitor> visitor = GetDOMVisitor(frame->GetURL());
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if(visitor.get())
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frame->VisitDOM(visitor);
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}
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}
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bool ClientHandler::OnLoadError(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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ErrorCode errorCode,
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const CefString& failedUrl,
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CefString& errorText)
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{
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REQUIRE_UI_THREAD();
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if(errorCode == ERR_CACHE_MISS) {
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// Usually caused by navigating to a page with POST data via back or
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// forward buttons.
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errorText = "<html><head><title>Expired Form Data</title></head>"
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"<body><h1>Expired Form Data</h1>"
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"<h2>Your form request has expired. "
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"Click reload to re-submit the form data.</h2></body>"
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"</html>";
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} else {
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// All other messages.
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std::stringstream ss;
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ss << "<html><head><title>Load Failed</title></head>"
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"<body><h1>Load Failed</h1>"
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"<h2>Load of URL " << std::string(failedUrl) <<
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" failed with error code " << static_cast<int>(errorCode) <<
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".</h2></body>"
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"</html>";
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errorText = ss.str();
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}
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return false;
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}
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bool ClientHandler::GetDownloadHandler(CefRefPtr<CefBrowser> browser,
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const CefString& mimeType,
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const CefString& fileName,
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int64 contentLength,
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CefRefPtr<CefDownloadHandler>& handler)
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{
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REQUIRE_UI_THREAD();
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// Create the handler for the file download.
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handler = CreateDownloadHandler(this, fileName);
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return true;
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}
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void ClientHandler::OnNavStateChange(CefRefPtr<CefBrowser> browser,
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bool canGoBack,
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bool canGoForward)
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{
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REQUIRE_UI_THREAD();
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SetNavState(canGoBack, canGoForward);
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}
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bool ClientHandler::OnConsoleMessage(CefRefPtr<CefBrowser> browser,
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const CefString& message,
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const CefString& source,
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int line)
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{
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REQUIRE_UI_THREAD();
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bool first_message;
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std::string logFile;
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{
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AutoLock lock_scope(this);
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first_message = m_LogFile.empty();
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if(first_message) {
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std::stringstream ss;
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ss << AppGetWorkingDirectory();
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#if defined(OS_WIN)
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ss << "\\";
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#else
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ss << "/";
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#endif
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ss << "console.log";
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m_LogFile = ss.str();
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}
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logFile = m_LogFile;
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}
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FILE* file = fopen(logFile.c_str(), "a");
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if(file) {
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std::stringstream ss;
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ss << "Message: " << std::string(message) << "\r\nSource: " <<
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std::string(source) << "\r\nLine: " << line <<
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"\r\n-----------------------\r\n";
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fputs(ss.str().c_str(), file);
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fclose(file);
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if(first_message)
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SendNotification(NOTIFY_CONSOLE_MESSAGE);
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}
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return false;
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}
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bool ClientHandler::GetPrintHeaderFooter(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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const CefPrintInfo& printInfo,
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const CefString& url,
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const CefString& title,
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int currentPage,
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int maxPages,
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CefString& topLeft,
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CefString& topCenter,
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CefString& topRight,
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CefString& bottomLeft,
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CefString& bottomCenter,
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CefString& bottomRight)
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{
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REQUIRE_UI_THREAD();
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// Place the page title at top left
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topLeft = title;
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// Place the page URL at top right
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topRight = url;
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// Place "Page X of Y" at bottom center
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std::stringstream strstream;
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strstream << "Page " << currentPage << " of " << maxPages;
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bottomCenter = strstream.str();
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return false;
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}
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void ClientHandler::OnJSBinding(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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CefRefPtr<CefV8Value> object)
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{
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REQUIRE_UI_THREAD();
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// Add the V8 bindings.
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InitBindingTest(browser, frame, object);
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}
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void ClientHandler::NotifyDownloadComplete(const CefString& fileName)
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{
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SetLastDownloadFile(fileName);
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SendNotification(NOTIFY_DOWNLOAD_COMPLETE);
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}
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void ClientHandler::NotifyDownloadError(const CefString& fileName)
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{
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SetLastDownloadFile(fileName);
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SendNotification(NOTIFY_DOWNLOAD_ERROR);
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}
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void ClientHandler::SetMainHwnd(CefWindowHandle hwnd)
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{
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AutoLock lock_scope(this);
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m_MainHwnd = hwnd;
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}
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void ClientHandler::SetEditHwnd(CefWindowHandle hwnd)
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{
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AutoLock lock_scope(this);
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m_EditHwnd = hwnd;
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}
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void ClientHandler::SetButtonHwnds(CefWindowHandle backHwnd,
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CefWindowHandle forwardHwnd,
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CefWindowHandle reloadHwnd,
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CefWindowHandle stopHwnd)
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{
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AutoLock lock_scope(this);
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m_BackHwnd = backHwnd;
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m_ForwardHwnd = forwardHwnd;
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m_ReloadHwnd = reloadHwnd;
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m_StopHwnd = stopHwnd;
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}
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std::string ClientHandler::GetLogFile()
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{
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AutoLock lock_scope(this);
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return m_LogFile;
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}
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void ClientHandler::SetLastDownloadFile(const std::string& fileName)
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{
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AutoLock lock_scope(this);
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m_LastDownloadFile = fileName;
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}
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std::string ClientHandler::GetLastDownloadFile()
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{
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AutoLock lock_scope(this);
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return m_LastDownloadFile;
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}
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void ClientHandler::AddDOMVisitor(const std::string& path,
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CefRefPtr<CefDOMVisitor> visitor)
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{
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AutoLock lock_scope(this);
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DOMVisitorMap::iterator it = m_DOMVisitors.find(path);
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if (it == m_DOMVisitors.end())
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m_DOMVisitors.insert(std::make_pair(path, visitor));
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else
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it->second = visitor;
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}
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CefRefPtr<CefDOMVisitor> ClientHandler::GetDOMVisitor(const std::string& path)
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{
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AutoLock lock_scope(this);
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DOMVisitorMap::iterator it = m_DOMVisitors.find(path);
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if (it != m_DOMVisitors.end())
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return it->second;
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return NULL;
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}
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