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