From e9d099f4c5efa41fafd16408f13400cb37616f18 Mon Sep 17 00:00:00 2001
From: lionelc <lionelc@lionelc.(none)>
Date: Thu, 12 Aug 2010 18:31:16 +0200
Subject: introduce a new SuggestionListItem introduce an opensearch engine

---
 src/search/opensearchmanager.cpp | 175 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 175 insertions(+)
 create mode 100644 src/search/opensearchmanager.cpp

(limited to 'src/search/opensearchmanager.cpp')

diff --git a/src/search/opensearchmanager.cpp b/src/search/opensearchmanager.cpp
new file mode 100644
index 00000000..6e37db77
--- /dev/null
+++ b/src/search/opensearchmanager.cpp
@@ -0,0 +1,175 @@
+/* This file is part of the KDE project
+ * Copyright (C) 2009 Fredy Yanardi <fyanardi@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "opensearchmanager.h"
+
+#include <QtCore/QFile>
+
+#include <KDebug>
+#include <KGlobal>
+#include <KStandardDirs>
+#include <KUrl>
+#include <kio/scheduler.h>
+
+#include "opensearchengine.h"
+#include "opensearchreader.h"
+#include "opensearchwriter.h"
+
+OpenSearchManager::OpenSearchManager(QObject *parent)
+    : QObject(parent)
+    , m_activeEngine(0)
+{
+    m_state = IDLE;
+}
+
+OpenSearchManager::~OpenSearchManager() {
+    qDeleteAll(m_enginesMap.values());
+    m_enginesMap.clear();
+}
+
+void OpenSearchManager::setSearchProvider(const QString &searchProvider)
+{
+    m_activeEngine = 0;
+
+    if (!m_enginesMap.contains(searchProvider)) {
+        const QString fileName = KGlobal::dirs()->findResource("data", "konqueror/opensearch/" + searchProvider + ".xml");
+        if (fileName.isEmpty()) {
+            return;
+        }
+        QFile file(fileName);
+
+        if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+            kWarning(1202) << "Cannot open opensearch description file: " + fileName;
+            return;
+        }
+
+        OpenSearchReader reader;
+        OpenSearchEngine *engine = reader.read(&file);
+
+        if (engine) {
+            m_enginesMap.insert(searchProvider, engine);
+        }
+        else {
+            return;
+        }
+    }
+
+    m_activeEngine = m_enginesMap.value(searchProvider);
+}
+
+bool OpenSearchManager::isSuggestionAvailable()
+{
+    return m_activeEngine != 0;
+}
+
+void OpenSearchManager::addOpenSearchEngine(const KUrl &url, const QString &title)
+{
+    Q_UNUSED(title);
+
+    m_jobData.clear();
+
+    if (m_state != IDLE) {
+        // TODO: cancel job
+    }
+
+    m_state = REQ_DESCRIPTION;
+    KIO::TransferJob *job = KIO::get(url, KIO::NoReload, KIO::HideProgressInfo);
+    connect(job, SIGNAL(data(KIO::Job *, const QByteArray &)),
+            this, SLOT(dataReceived(KIO::Job *, const QByteArray &)));
+    connect(job, SIGNAL(result(KJob *)), SLOT(jobFinished(KJob *)));
+}
+
+void OpenSearchManager::requestSuggestion(const QString &searchText)
+{
+    if (!m_activeEngine) {
+        return;
+    }
+
+    if (m_state != IDLE) {
+        // TODO: cancel job
+    }
+    m_state = REQ_SUGGESTION;
+
+    KUrl url = m_activeEngine->suggestionsUrl(searchText);
+    kDebug(1202) << "Requesting for suggestions: " << url.url();
+    m_jobData.clear();
+    KIO::TransferJob *job = KIO::get(url, KIO::NoReload, KIO::HideProgressInfo);
+    connect(job, SIGNAL(data(KIO::Job *, const QByteArray &)),
+            this, SLOT(dataReceived(KIO::Job *, const QByteArray &)));
+    connect(job, SIGNAL(result(KJob *)), SLOT(jobFinished(KJob *)));
+}
+
+void OpenSearchManager::dataReceived(KIO::Job *job, const QByteArray &data)
+{
+    Q_UNUSED(job);
+    m_jobData.append(data);
+}
+
+void OpenSearchManager::jobFinished(KJob *job)
+{
+    if (job->error()) {
+        return; // just silently return
+    }
+
+    if (m_state == REQ_SUGGESTION) {
+        const QStringList suggestionsList = m_activeEngine->parseSuggestion(m_jobData);
+        kDebug(1202) << "Received suggestion from " << m_activeEngine->name() << ": " << suggestionsList;
+
+        emit suggestionReceived(suggestionsList);
+    }
+    else if (m_state == REQ_DESCRIPTION) {
+        OpenSearchReader reader;
+        OpenSearchEngine *engine = reader.read(m_jobData);
+        if (engine) {
+            m_enginesMap.insert(engine->name(), engine);
+            QString path = KGlobal::dirs()->findResource("data", "konqueror/opensearch/");
+            QString fileName = trimmedEngineName(engine->name());
+            QFile file(path + fileName + ".xml");
+            OpenSearchWriter writer;
+            writer.write(&file, engine);
+
+            QString searchUrl = OpenSearchEngine::parseTemplate("\\{@}", engine->searchUrlTemplate());
+            emit openSearchEngineAdded(engine->name(), searchUrl, fileName);
+        }
+        else {
+            kFatal() << "Error while adding new open search engine";
+        }
+    }
+}
+
+QString OpenSearchManager::trimmedEngineName(const QString &engineName) const
+{
+    QString trimmed;
+    QString::ConstIterator constIter = engineName.constBegin();
+    while (constIter != engineName.constEnd()) {
+        if (constIter->isSpace()) {
+            trimmed.append('-');
+        }
+        else if (*constIter != '.') {
+            trimmed.append(constIter->toLower());
+        }
+        constIter++;
+    }
+
+    return trimmed;
+}
+
+#include "opensearchmanager.moc"
+
+ 
-- 
cgit v1.2.1