bcarrella
/
cef
mirror of https://bitbucket.org/chromiumembedded/cef
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
cef/cef1/tests/cefclient/client_handler.cpp

384 lines
12 KiB
C++
Raw Blame History

// Copyright (c) 2011 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 "cefclient/client_handler.h"
#include <stdio.h>
#include <sstream>
#include <string>
#include "include/cef_browser.h"
#include "include/cef_command_line.h"
#include "include/cef_frame.h"
#include "cefclient/binding_test.h"
#include "cefclient/cefclient.h"
#include "cefclient/cefclient_switches.h"
#include "cefclient/download_handler.h"
#include "cefclient/performance_test.h"
#include "cefclient/string_util.h"
ClientHandler::ClientHandler()
: m_MainHwnd(NULL),
m_BrowserHwnd(NULL),
m_EditHwnd(NULL),
m_BackHwnd(NULL),
m_ForwardHwnd(NULL),
m_StopHwnd(NULL),
m_ReloadHwnd(NULL),
m_bFormElementHasFocus(false) {
CefRefPtr<CefCommandLine> commandLine = AppGetCommandLine();
if (commandLine.get()) {
if (commandLine->HasSwitch(cefclient::kUrl))
m_StartupURL = commandLine->GetSwitchValue(cefclient::kUrl);
else
m_StartupURL = "http://www.google.com/";
}
}
ClientHandler::~ClientHandler() {
}
void ClientHandler::OnAfterCreated(CefRefPtr<CefBrowser> browser) {
REQUIRE_UI_THREAD();
AutoLock lock_scope(this);
if (!m_Browser.get()) {
// We need to keep the main child window, but not popup windows
m_Browser = browser;
m_BrowserHwnd = browser->GetWindowHandle();
}
}
bool ClientHandler::DoClose(CefRefPtr<CefBrowser> browser) {
REQUIRE_UI_THREAD();
if (m_BrowserHwnd == browser->GetWindowHandle()) {
// Since the main window contains the browser window, we need to close
// the parent window instead of the browser window.
CloseMainWindow();
// Return true here so that we can skip closing the browser window
// in this pass. (It will be destroyed due to the call to close
// the parent above.)
return true;
}
// A popup browser window is not contained in another window, so we can let
// these windows close by themselves.
return false;
}
void ClientHandler::OnBeforeClose(CefRefPtr<CefBrowser> browser) {
REQUIRE_UI_THREAD();
if (m_BrowserHwnd == browser->GetWindowHandle()) {
// Free the browser pointer so that the browser can be destroyed
m_Browser = NULL;
}
}
void ClientHandler::OnLoadStart(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame) {
REQUIRE_UI_THREAD();
if (m_BrowserHwnd == browser->GetWindowHandle() && frame->IsMain()) {
// We've just started loading a page
SetLoading(true);
}
}
void ClientHandler::OnLoadEnd(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
int httpStatusCode) {
REQUIRE_UI_THREAD();
if (m_BrowserHwnd == browser->GetWindowHandle() && frame->IsMain()) {
// We've just finished loading a page
SetLoading(false);
CefRefPtr<CefDOMVisitor> visitor = GetDOMVisitor(frame->GetURL());
if (visitor.get())
frame->VisitDOM(visitor);
}
}
bool ClientHandler::OnLoadError(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
ErrorCode errorCode,
const CefString& failedUrl,
CefString& errorText) {
REQUIRE_UI_THREAD();
if (errorCode == ERR_CACHE_MISS) {
// Usually caused by navigating to a page with POST data via back or
// forward buttons.
errorText = "<html><head><title>Expired Form Data</title></head>"
"<body><h1>Expired Form Data</h1>"
"<h2>Your form request has expired. "
"Click reload to re-submit the form data.</h2></body>"
"</html>";
} else {
// All other messages.
std::stringstream ss;
ss << "<html><head><title>Load Failed</title></head>"
"<body><h1>Load Failed</h1>"
"<h2>Load of URL " << std::string(failedUrl) <<
" failed with error code " << static_cast<int>(errorCode) <<
".</h2></body>"
"</html>";
errorText = ss.str();
}
return false;
}
bool ClientHandler::GetDownloadHandler(CefRefPtr<CefBrowser> browser,
const CefString& mimeType,
const CefString& fileName,
int64 contentLength,
CefRefPtr<CefDownloadHandler>& handler) {
REQUIRE_UI_THREAD();
// Create the handler for the file download.
handler = CreateDownloadHandler(this, fileName);
// Close the browser window if it is a popup with no other document contents.
if (browser->IsPopup() && !browser->HasDocument())
browser->CloseBrowser();
return true;
}
void ClientHandler::OnNavStateChange(CefRefPtr<CefBrowser> browser,
bool canGoBack,
bool canGoForward) {
REQUIRE_UI_THREAD();
SetNavState(canGoBack, canGoForward);
}
bool ClientHandler::OnConsoleMessage(CefRefPtr<CefBrowser> browser,
const CefString& message,
const CefString& source,
int line) {
REQUIRE_UI_THREAD();
bool first_message;
std::string logFile;
{
AutoLock lock_scope(this);
first_message = m_LogFile.empty();
if (first_message) {
std::stringstream ss;
ss << AppGetWorkingDirectory();
#if defined(OS_WIN)
ss << "\\";
#else
ss << "/";
#endif
ss << "console.log";
m_LogFile = ss.str();
}
logFile = m_LogFile;
}
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 false;
}
void ClientHandler::OnFocusedNodeChanged(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefDOMNode> node) {
REQUIRE_UI_THREAD();
// Set to true if a form element has focus.
m_bFormElementHasFocus = (node.get() && node->IsFormControlElement());
}
bool ClientHandler::OnKeyEvent(CefRefPtr<CefBrowser> browser,
KeyEventType type,
int code,
int modifiers,
bool isSystemKey,
bool isAfterJavaScript) {
REQUIRE_UI_THREAD();
if (isAfterJavaScript && !m_bFormElementHasFocus && code == 0x20) {
// Special handling for the space character if a form element does not have
// focus.
if (type == KEYEVENT_RAWKEYDOWN) {
browser->GetMainFrame()->ExecuteJavaScript(
"alert('You pressed the space bar!');", "", 0);
}
return true;
}
return false;
}
bool ClientHandler::GetPrintHeaderFooter(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
const CefPrintInfo& printInfo,
const CefString& url,
const CefString& title,
int currentPage,
int maxPages,
CefString& topLeft,
CefString& topCenter,
CefString& topRight,
CefString& bottomLeft,
CefString& bottomCenter,
CefString& bottomRight) {
REQUIRE_UI_THREAD();
// 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 false;
}
void ClientHandler::OnContextCreated(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefV8Context> context) {
REQUIRE_UI_THREAD();
CefRefPtr<CefV8Value> object = context->GetGlobal();
// Add the V8 bindings.
InitBindingTest(browser, frame, object);
std::string url = frame->GetURL();
if (url == performance_test::kTestUrl)
performance_test::InitTest(browser, frame, object);
}
bool ClientHandler::OnDragStart(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefDragData> dragData,
DragOperationsMask mask) {
REQUIRE_UI_THREAD();
// Forbid dragging of image files.
if (dragData->IsFile()) {
std::string fileName = dragData->GetFileName();
if (fileName.find(".png") != std::string::npos ||
fileName.find(".jpg") != std::string::npos ||
fileName.find(".gif") != std::string::npos)
return true;
}
return false;
}
bool ClientHandler::OnDragEnter(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefDragData> dragData,
DragOperationsMask mask) {
REQUIRE_UI_THREAD();
// Forbid dragging of link URLs.
if (dragData->IsLink())
return true;
return false;
}
bool ClientHandler::OnBeforeScriptExtensionLoad(
CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
const CefString& extensionName) {
return false;
}
void ClientHandler::OnRequestGeolocationPermission(
CefRefPtr<CefBrowser> browser,
const CefString& requesting_url,
int request_id,
CefRefPtr<CefGeolocationCallback> callback) {
// Allow geolocation access from all websites.
callback->Continue(true);
}
void ClientHandler::NotifyDownloadComplete(const CefString& fileName) {
SetLastDownloadFile(fileName);
SendNotification(NOTIFY_DOWNLOAD_COMPLETE);
}
void ClientHandler::NotifyDownloadError(const CefString& fileName) {
SetLastDownloadFile(fileName);
SendNotification(NOTIFY_DOWNLOAD_ERROR);
}
void ClientHandler::SetMainHwnd(CefWindowHandle hwnd) {
AutoLock lock_scope(this);
m_MainHwnd = hwnd;
}
void ClientHandler::SetEditHwnd(CefWindowHandle hwnd) {
AutoLock lock_scope(this);
m_EditHwnd = hwnd;
}
void ClientHandler::SetButtonHwnds(CefWindowHandle backHwnd,
CefWindowHandle forwardHwnd,
CefWindowHandle reloadHwnd,
CefWindowHandle stopHwnd) {
AutoLock lock_scope(this);
m_BackHwnd = backHwnd;
m_ForwardHwnd = forwardHwnd;
m_ReloadHwnd = reloadHwnd;
m_StopHwnd = stopHwnd;
}
std::string ClientHandler::GetLogFile() {
AutoLock lock_scope(this);
return m_LogFile;
}
void ClientHandler::SetLastDownloadFile(const std::string& fileName) {
AutoLock lock_scope(this);
m_LastDownloadFile = fileName;
}
std::string ClientHandler::GetLastDownloadFile() {
AutoLock lock_scope(this);
return m_LastDownloadFile;
}
void ClientHandler::AddDOMVisitor(const std::string& path,
CefRefPtr<CefDOMVisitor> visitor) {
AutoLock lock_scope(this);
DOMVisitorMap::iterator it = m_DOMVisitors.find(path);
if (it == m_DOMVisitors.end())
m_DOMVisitors.insert(std::make_pair(path, visitor));
else
it->second = visitor;
}
CefRefPtr<CefDOMVisitor> ClientHandler::GetDOMVisitor(const std::string& path) {
AutoLock lock_scope(this);
DOMVisitorMap::iterator it = m_DOMVisitors.find(path);
if (it != m_DOMVisitors.end())
return it->second;
return NULL;
}
Reference in New Issue View Git Blame Copy Permalink