GEEKING

RobloxStudio/RobloxContextualHelp.cpp

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+/**
+ * RobloxContextualHelp.h
+ * Copyright (c) 2013 ROBLOX Corp. All Rights Reserved.
+ */
+
+#include "stdafx.h"
+
+#include "RobloxContextualHelp.h"
+
+#include <QGridLayout>
+#include <QString>
+#include <QPainter>
+#include <QTimer>
+#include <QWebElement>
+#include <QWebFrame>
+#include <QWebPage>
+
+#include "util/standardout.h"
+
+#include "AuthenticationHelper.h"
+#include "RobloxCookieJar.h"
+#include "RobloxNetworkAccessManager.h"
+#include "RobloxSettings.h"
+
+FASTFLAG(WebkitLocalStorageEnabled)
+FASTFLAG(WebkitDeveloperToolsEnabled)
+
+FASTFLAGVARIABLE(StudioNewWiki, false)
+FASTFLAGVARIABLE(StudioEnableWebKitPlugins, false)
+
+RobloxContextualHelpService::RobloxContextualHelpService()
+    : m_helpTopic("Studio")
+{
+}
+
+RobloxContextualHelpService& RobloxContextualHelpService::singleton()
+{
+    static RobloxContextualHelpService* helpService = new RobloxContextualHelpService();
+    return *helpService;
+}
+
+void RobloxContextualHelpService::onHelpTopicChanged(const QString& helpTopic)
+{
+    if (m_helpTopic != helpTopic)
+    {
+        m_helpTopic = helpTopic;
+        Q_EMIT(helpTopicChanged(helpTopic));
+    }
+}
+
+RobloxContextualHelp::RobloxContextualHelp()
+    : m_pWebView(NULL)
+    , m_urlDirty(false)
+{
+	QGridLayout *layout = new QGridLayout(this);
+	layout->setContentsMargins(0, 0, 0, 0);
+	layout->setSpacing(0);
+	
+	setupWebView();
+	layout->addWidget(m_pWebView, 0, 0);
+	setLayout(dynamic_cast<QLayout*>(layout));
+    
+    connect(&RobloxContextualHelpService::singleton(), SIGNAL(helpTopicChanged(const QString&)), this, SLOT(onHelpTopicChanged(const QString&)));
+}
+
+void RobloxContextualHelp::setupWebView()
+{
+	m_pWebView = new RobloxHelpWebView(this);
+	m_pWebPage = new RobloxWebPage(this);
+	
+	m_pWebView->setPage(m_pWebPage);
+
+	QWebSettings *globalSetting = QWebSettings::globalSettings();
+	
+	globalSetting->setAttribute(QWebSettings::AutoLoadImages, true);
+	globalSetting->setAttribute(QWebSettings::JavascriptEnabled, true);
+	globalSetting->setAttribute(QWebSettings::JavascriptCanAccessClipboard, true);
+	globalSetting->setAttribute(QWebSettings::JavascriptCanOpenWindows, true);
+
+#ifdef _WIN32
+    if (FFlag::StudioEnableWebKitPlugins)
+        globalSetting->setAttribute(QWebSettings::PluginsEnabled, true);
+    else
+        globalSetting->setAttribute(QWebSettings::PluginsEnabled, false);
+#endif
+
+	/// Keep all this for now, later on we should remove it depending on bare minimum required.
+	globalSetting->setAttribute(QWebSettings::LocalContentCanAccessRemoteUrls, true);
+	globalSetting->setAttribute(QWebSettings::LocalContentCanAccessFileUrls, true);
+
+	if(FFlag::WebkitLocalStorageEnabled)
+		globalSetting->setAttribute(QWebSettings::LocalStorageEnabled, true);
+
+	if(FFlag::WebkitDeveloperToolsEnabled)
+		globalSetting->setAttribute(QWebSettings::DeveloperExtrasEnabled, true);
+    
+    connect(&AuthenticationHelper::Instance(), SIGNAL(authenticationChanged(bool)), this, SLOT(onAuthenticationChanged(bool)));
+    
+	if(FFlag::StudioNewWiki)
+	{
+		m_pWebView->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
+		connect(m_pWebView->page(), SIGNAL(linkClicked(const QUrl&)), this, SLOT(linkClicked(const QUrl&)));
+	}
+	m_urlString = QString("http://wiki.roblox.com/index.php/Studio");
+
+	if (FFlag::StudioNewWiki)
+	{
+		m_urlString += "?studiomode=true";
+	}
+    
+    m_urlDirty = true;
+    
+    setEnabled(true);
+	update();
+}
+
+void RobloxContextualHelp::linkClicked(const QUrl& url)
+{
+	QUrl studioModeUrl = url;
+	studioModeUrl.addQueryItem("studiomode", "true");
+	m_pWebView->load(studioModeUrl);
+}
+
+void RobloxContextualHelp::onAuthenticationChanged(bool)
+{
+	m_pWebPage->triggerAction(QWebPage::Reload);
+}
+
+void RobloxContextualHelp::onHelpTopicChanged(const QString& helpTopic)
+{
+	QString prevURLString(m_urlString);
+    m_urlString = QString("http://wiki.roblox.com/index.php/") + helpTopic;
+ 
+    // url with anchor tag and query - http://wiki.roblox.com/index.php/Script_Analysis?studiomode=true#W003
+
+	if (FFlag::StudioNewWiki)
+	{
+		int index = m_urlString.indexOf('#');
+		index > 0 ? m_urlString.insert(index, "?studiomode=true") : (m_urlString += "?studiomode=true");
+    }
+
+	// if URL has only anchor tag change then do not reset timer as 'loadFinished' signal does not get emitted to remove the watermark
+	// instead directly load URL
+	if (prevURLString.mid(0, prevURLString.indexOf('#')) != m_urlString.mid(0, m_urlString.indexOf('#')))
+	{
+		m_pWebView->resetLoadingTimer();
+		m_urlDirty = true;
+	}
+	else
+	{
+		m_urlDirty = true;
+		updateURL();
+	}
+
+	update();
+}
+
+void RobloxContextualHelp::updateURL()
+{
+    if (m_urlDirty)
+    {
+        m_pWebView->load(m_urlString);
+        m_urlDirty = false;
+    }
+}
+
+RobloxHelpWebView::RobloxHelpWebView(RobloxContextualHelp* widget)
+: RobloxBrowser(widget)
+, m_contextualHelpWidget(widget)
+{
+    connect(this, SIGNAL(loadProgress(int)), this, SLOT(loadProgress(int)));
+}
+
+void RobloxHelpWebView::loadProgress(int)
+{
+    // Run some special code to hide the sidebars and turn off the background.
+    // This is temporary until the wiki has Studio friendly view.
+    ((QWebView*)sender())->page()->mainFrame()->evaluateJavaScript("content = document.getElementById('column-content'); content.style.float = 'none'; content.style.margin = '-3em 0 0 -12.2em'; content.style.width = 'auto'; columnOne = document.getElementById('column-one'); columnOne.style.display = 'none'; document.body.style.background = 'white';");
+    update();
+}
+
+
+void RobloxHelpWebView::paintEvent(QPaintEvent* event)
+{
+    m_contextualHelpWidget->updateURL();
+    
+    RobloxBrowser::paintEvent(event);
+}
+
+