cef/tests/cefclient/dom_test.cpp

135 lines
3.8 KiB
C++

// Copyright (c) 2012 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/dom_test.h"
#include <sstream>
#include <string>
#include "include/cef_dom.h"
#include "cefclient/util.h"
namespace dom_test {
const char kTestUrl[] = "http://tests/domaccess";
namespace {
const char* kMessageName = "DOMTest.Message";
class ClientDOMEventListener : public CefDOMEventListener {
public:
ClientDOMEventListener() {
}
virtual void HandleEvent(CefRefPtr<CefDOMEvent> event) OVERRIDE {
CefRefPtr<CefDOMDocument> document = event->GetDocument();
ASSERT(document.get());
std::stringstream ss;
CefRefPtr<CefDOMNode> button = event->GetTarget();
ASSERT(button.get());
std::string buttonValue = button->GetElementAttribute("value");
ss << "You clicked the " << buttonValue.c_str() << " button. ";
if (document->HasSelection()) {
std::string startName, endName;
// Determine the start name by first trying to locate the "id" attribute
// and then defaulting to the tag name.
{
CefRefPtr<CefDOMNode> node = document->GetSelectionStartNode();
if (!node->IsElement())
node = node->GetParent();
if (node->IsElement() && node->HasElementAttribute("id"))
startName = node->GetElementAttribute("id");
else
startName = node->GetName();
}
// Determine the end name by first trying to locate the "id" attribute
// and then defaulting to the tag name.
{
CefRefPtr<CefDOMNode> node = document->GetSelectionEndNode();
if (!node->IsElement())
node = node->GetParent();
if (node->IsElement() && node->HasElementAttribute("id"))
endName = node->GetElementAttribute("id");
else
endName = node->GetName();
}
ss << "The selection is from " <<
startName.c_str() << ":" << document->GetSelectionStartOffset() <<
" to " <<
endName.c_str() << ":" << document->GetSelectionEndOffset();
} else {
ss << "Nothing is selected.";
}
// Update the description.
CefRefPtr<CefDOMNode> desc = document->GetElementById("description");
ASSERT(desc.get());
CefRefPtr<CefDOMNode> text = desc->GetFirstChild();
ASSERT(text.get());
ASSERT(text->IsText());
text->SetValue(ss.str());
}
IMPLEMENT_REFCOUNTING(ClientDOMEventListener);
};
class ClientDOMVisitor : public CefDOMVisitor {
public:
ClientDOMVisitor() {
}
virtual void Visit(CefRefPtr<CefDOMDocument> document) OVERRIDE {
// Register a click listener for the button.
CefRefPtr<CefDOMNode> button = document->GetElementById("button");
ASSERT(button.get());
button->AddEventListener("click", new ClientDOMEventListener(), false);
}
IMPLEMENT_REFCOUNTING(ClientDOMVisitor);
};
class DOMRenderDelegate : public ClientApp::RenderDelegate {
public:
DOMRenderDelegate() {
}
virtual bool OnProcessMessageReceived(
CefRefPtr<ClientApp> app,
CefRefPtr<CefBrowser> browser,
CefProcessId source_process,
CefRefPtr<CefProcessMessage> message) OVERRIDE {
if (message->GetName() == kMessageName) {
// Visit the DOM to attach the event listener.
browser->GetMainFrame()->VisitDOM(new ClientDOMVisitor);
return true;
}
return false;
}
private:
IMPLEMENT_REFCOUNTING(DOMRenderDelegate);
};
} // namespace
void CreateRenderDelegates(ClientApp::RenderDelegateSet& delegates) {
delegates.insert(new DOMRenderDelegate);
}
void OnLoadEnd(CefRefPtr<CefBrowser> browser) {
// Send a message to the render process to continue the test setup.
browser->SendProcessMessage(PID_RENDERER,
CefProcessMessage::Create(kMessageName));
}
} // namespace dom_test