/src/opensearch/searchenginesmanager.cpp
C++ | 340 lines | 251 code | 66 blank | 23 comment | 25 complexity | 51345f09280c61fa19e84199e393edd8 MD5 | raw file
Possible License(s): BSD-3-Clause, MPL-2.0-no-copyleft-exception
- /* ============================================================
- * QupZilla - WebKit based browser
- * Copyright (C) 2010-2012 David Rosca <nowrep@gmail.com>
- *
- * This program 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 3 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- * ============================================================ */
- #include "searchenginesmanager.h"
- #include "iconprovider.h"
- #include "mainapplication.h"
- #include "networkmanager.h"
- #include "opensearchreader.h"
- #include "opensearchengine.h"
- #include "databasewriter.h"
- #include "settings.h"
- #define ENSURE_LOADED if (!m_settingsLoaded) loadSettings();
- QIcon SearchEnginesManager::iconForSearchEngine(const QUrl &url)
- {
- QIcon ic = IconProvider::iconFromImage(mApp->iconProvider()->iconForDomain(url));
- if (ic.isNull()) {
- ic = QIcon(":icons/menu/search-icon.png");
- }
- return ic;
- }
- SearchEnginesManager::SearchEnginesManager()
- : QObject()
- , m_settingsLoaded(false)
- , m_saveScheduled(false)
- {
- Settings settings;
- settings.beginGroup("SearchEngines");
- m_startingEngineName = settings.value("activeEngine", "Google").toString();
- settings.endGroup();
- connect(this, SIGNAL(enginesChanged()), this, SLOT(scheduleSave()));
- }
- void SearchEnginesManager::loadSettings()
- {
- m_settingsLoaded = true;
- QSqlQuery query;
- query.exec("SELECT name, icon, url, shortcut, suggestionsUrl FROM search_engines");
- while (query.next()) {
- Engine en;
- en.name = query.value(0).toString();
- en.icon = IconProvider::iconFromBase64(query.value(1).toByteArray());
- en.url = query.value(2).toString();
- en.shortcut = query.value(3).toString();
- en.suggestionsUrl = query.value(4).toString();
- m_allEngines.append(en);
- }
- if (m_allEngines.isEmpty()) {
- restoreDefaults();
- }
- }
- SearchEngine SearchEnginesManager::engineForShortcut(const QString &shortcut)
- {
- Engine returnEngine;
- if (shortcut.isEmpty()) {
- return returnEngine;
- }
- foreach(Engine en, m_allEngines) {
- if (en.shortcut == shortcut) {
- returnEngine = en;
- break;
- }
- }
- return returnEngine;
- }
- QUrl SearchEnginesManager::searchUrl(const Engine &engine, const QString &string)
- {
- ENSURE_LOADED;
- QByteArray url = engine.url.toUtf8();
- url.replace("%s", QUrl::toPercentEncoding(string));
- return QUrl::fromEncoded(url);
- }
- QUrl SearchEnginesManager::searchUrl(const QString &string)
- {
- return searchUrl(m_activeEngine, string);
- }
- void SearchEnginesManager::restoreDefaults()
- {
- Engine google;
- google.name = "Google";
- google.icon = QIcon(":icons/menu/google.png");
- google.url = "http://www.google.com/search?client=qupzilla&q=%s";
- google.shortcut = "g";
- google.suggestionsUrl = "http://suggestqueries.google.com/complete/search?output=firefox&q=%s";
- Engine wiki;
- wiki.name = "Wikipedia (en)";
- wiki.icon = QIcon(":/icons/menu/wikipedia.png");
- wiki.url = "http://en.wikipedia.org/wiki/Special:Search?search=%s&fulltext=Search";
- wiki.shortcut = "w";
- wiki.suggestionsUrl = "http://en.wikipedia.org/w/api.php?action=opensearch&search=%s&namespace=0";
- Engine yt;
- yt.name = "YouTube";
- yt.icon = QIcon(":/icons/menu/youtube.png");
- yt.url = "http://www.youtube.com/results?search_query=%s&search=Search";
- yt.shortcut = "yt";
- yt.suggestionsUrl = "http://suggestqueries.google.com/complete/search?ds=yt&output=firefox&q=%s";
- Engine duck;
- duck.name = "DuckDuckGo";
- duck.icon = QIcon(":/icons/menu/duck.png");
- duck.url = "https://duckduckgo.com/?q=%s";
- duck.shortcut = "d";
- addEngine(google, false);
- addEngine(wiki, false);
- addEngine(yt, false);
- addEngine(duck, false);
- emit enginesChanged();
- }
- void SearchEnginesManager::engineChangedImage()
- {
- OpenSearchEngine* engine = qobject_cast<OpenSearchEngine*>(sender());
- if (!engine) {
- return;
- }
- foreach(Engine e, m_allEngines) {
- if (e.name == engine->name() && e.url.contains(engine->searchUrl("%s").toString())
- && !engine->image().isNull()) {
- e.icon = QIcon(QPixmap::fromImage(engine->image()));
- m_allEngines.removeOne(e);
- m_allEngines.append(e);
- emit enginesChanged();
- delete engine;
- break;
- }
- }
- }
- void SearchEnginesManager::editEngine(const Engine &before, const Engine &after)
- {
- removeEngine(before);
- addEngine(after);
- }
- void SearchEnginesManager::addEngine(const Engine &engine, bool emitSignal)
- {
- ENSURE_LOADED;
- if (m_allEngines.contains(engine)) {
- return;
- }
- m_allEngines.append(engine);
- if (emitSignal) {
- emit enginesChanged();
- }
- }
- void SearchEnginesManager::addEngine(OpenSearchEngine* engine)
- {
- ENSURE_LOADED;
- Engine en;
- en.name = engine->name();
- en.url = engine->searchUrl("searchstring").toString().replace("searchstring", "%s");
- if (engine->image().isNull()) {
- en.icon = iconForSearchEngine(engine->searchUrl(""));
- }
- else {
- en.icon = QIcon(QPixmap::fromImage(engine->image()));
- }
- en.suggestionsUrl = engine->getSuggestionsUrl();
- en.suggestionsParameters = engine->getSuggestionsParameters();
- addEngine(en);
- connect(engine, SIGNAL(imageChanged()), this, SLOT(engineChangedImage()));
- }
- void SearchEnginesManager::addEngine(const QUrl &url)
- {
- ENSURE_LOADED;
- if (!url.isValid()) {
- return;
- }
- qApp->setOverrideCursor(Qt::WaitCursor);
- QNetworkReply* reply = mApp->networkManager()->get(QNetworkRequest(url));
- reply->setParent(this);
- connect(reply, SIGNAL(finished()), this, SLOT(replyFinished()));
- }
- void SearchEnginesManager::replyFinished()
- {
- qApp->restoreOverrideCursor();
- QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());
- if (!reply) {
- return;
- }
- if (reply->error() != QNetworkReply::NoError) {
- reply->close();
- reply->deleteLater();
- return;
- }
- OpenSearchReader reader;
- OpenSearchEngine* engine = reader.read(reply);
- engine->setNetworkAccessManager(mApp->networkManager());
- reply->close();
- reply->deleteLater();
- if (checkEngine(engine)) {
- addEngine(engine);
- QMessageBox::information(0, tr("Search Engine Added"), tr("Search Engine \"%1\" has been successfully added.").arg(engine->name()));
- }
- }
- bool SearchEnginesManager::checkEngine(OpenSearchEngine* engine)
- {
- if (!engine->isValid()) {
- QString errorString = tr("Search Engine is not valid!");
- QMessageBox::warning(0, tr("Error"), tr("Error while adding Search Engine <br><b>Error Message: </b> %1").arg(errorString));
- return false;
- }
- return true;
- }
- void SearchEnginesManager::setActiveEngine(const Engine &engine)
- {
- ENSURE_LOADED;
- if (!m_allEngines.contains(engine)) {
- return;
- }
- m_activeEngine = engine;
- emit activeEngineChanged();
- }
- void SearchEnginesManager::removeEngine(const Engine &engine)
- {
- ENSURE_LOADED;
- if (!m_allEngines.contains(engine)) {
- return;
- }
- QSqlQuery query;
- query.prepare("DELETE FROM search_engines WHERE name=? AND url=?");
- query.bindValue(0, engine.name);
- query.bindValue(1, engine.url);
- query.exec();
- m_allEngines.removeOne(engine);
- emit enginesChanged();
- }
- void SearchEnginesManager::setAllEngines(const QList<Engine> &engines)
- {
- ENSURE_LOADED;
- m_allEngines = engines;
- emit enginesChanged();
- }
- QList<SearchEngine> SearchEnginesManager::allEngines()
- {
- ENSURE_LOADED;
- return m_allEngines;
- }
- void SearchEnginesManager::saveSettings()
- {
- Settings settings;
- settings.beginGroup("SearchEngines");
- settings.setValue("activeEngine", m_activeEngine.name);
- settings.endGroup();
- if (!m_saveScheduled) {
- return;
- }
- // Well, this is not the best implementation to do as this is taking some time.
- // Actually, it is delaying the quit of app for about a 1 sec on my machine with only
- // 5 engines. Another problem is that deleting rows without VACUUM isn't actually freeing
- // space in database.
- //
- // But as long as user is not playing with search engines every run it is acceptable.
- QSqlQuery query;
- query.exec("DELETE FROM search_engines");
- foreach(Engine en, m_allEngines) {
- query.prepare("INSERT INTO search_engines (name, icon, url, shortcut, suggestionsUrl, suggestionsParameters) VALUES (?, ?, ?, ?, ?, ?)");
- query.bindValue(0, en.name);
- query.bindValue(1, IconProvider::iconToBase64(en.icon));
- query.bindValue(2, en.url);
- query.bindValue(3, en.shortcut);
- query.bindValue(4, en.suggestionsUrl);
- query.bindValue(5, en.suggestionsParameters);
- query.exec();
- }
- }