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authorAndrea Diamantini <adjam7@gmail.com>2009-11-27 02:21:04 +0100
committerAndrea Diamantini <adjam7@gmail.com>2009-11-27 02:21:04 +0100
commit997d64c9743149b2b400891b09ab99e9613bf273 (patch)
tree98cb23b7331e4ffd2e760fb37b682df3ad7589db /src/history/historymanager.cpp
parentrekonq 0.3.14 (diff)
downloadrekonq-997d64c9743149b2b400891b09ab99e9613bf273.tar.xz
Last structure change, promised!
Anyway, this moving/renaming helped me finding lots of strange circulary dependencies and easily solve them :) We have also a more organized structure, hopefully letting people work on different areas altogether.
Diffstat (limited to 'src/history/historymanager.cpp')
-rw-r--r--src/history/historymanager.cpp454
1 files changed, 454 insertions, 0 deletions
diff --git a/src/history/historymanager.cpp b/src/history/historymanager.cpp
new file mode 100644
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--- /dev/null
+++ b/src/history/historymanager.cpp
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+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2007-2008 Trolltech ASA. All rights reserved
+* Copyright (C) 2008 Benjamin C. Meyer <ben@meyerhome.net>
+* Copyright (C) 2008-2009 by Andrea Diamantini <adjam7 at gmail dot 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 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy
+* defined in Section 14 of version 3 of the license.
+*
+* 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/>.
+*
+* ============================================================ */
+
+
+// Self Includes
+#include "historymanager.h"
+#include "historymanager.moc"
+
+// Auto Includes
+#include "rekonq.h"
+
+// Local Includes
+#include "historymodels.h"
+#include "autosaver.h"
+#include "application.h"
+
+// KDE Includes
+#include <KStandardDirs>
+#include <KLocale>
+#include <KCompletion>
+
+// Qt Includes
+#include <QtCore/QList>
+#include <QtCore/QUrl>
+#include <QtCore/QDate>
+#include <QtCore/QDateTime>
+#include <QtCore/QString>
+#include <QtCore/QFile>
+#include <QtCore/QDataStream>
+#include <QtCore/QBuffer>
+
+#include <QtGui/QClipboard>
+
+// generic algorithms
+#include <QtAlgorithms>
+
+
+static const unsigned int HISTORY_VERSION = 23;
+
+
+HistoryManager::HistoryManager(QObject *parent)
+ : QWebHistoryInterface(parent)
+ , m_saveTimer(new AutoSaver(this))
+ , m_historyLimit(30)
+ , m_historyModel(0)
+ , m_historyFilterModel(0)
+ , m_historyTreeModel(0)
+ , m_completion(0)
+{
+ // take care of the completion object
+ m_completion = new KCompletion;
+ m_completion->setOrder( KCompletion::Weighted );
+
+ m_expiredTimer.setSingleShot(true);
+ connect(&m_expiredTimer, SIGNAL(timeout()), this, SLOT(checkForExpired()));
+ connect(this, SIGNAL(entryAdded(const HistoryItem &)), m_saveTimer, SLOT(changeOccurred()));
+ connect(this, SIGNAL(entryRemoved(const HistoryItem &)), m_saveTimer, SLOT(changeOccurred()));
+
+ load();
+
+ m_historyModel = new HistoryModel(this, this);
+ m_historyFilterModel = new HistoryFilterModel(m_historyModel, this);
+ m_historyTreeModel = new HistoryTreeModel(m_historyFilterModel, this);
+
+ // QWebHistoryInterface will delete the history manager
+ QWebHistoryInterface::setDefaultInterface(this);
+}
+
+
+HistoryManager::~HistoryManager()
+{
+ m_saveTimer->saveIfNeccessary();
+ delete m_completion;
+}
+
+
+QList<HistoryItem> HistoryManager::history() const
+{
+ return m_history;
+}
+
+
+bool HistoryManager::historyContains(const QString &url) const
+{
+ return m_historyFilterModel->historyContains(url);
+}
+
+
+void HistoryManager::addHistoryEntry(const QString &url)
+{
+ QUrl cleanUrl(url);
+
+ // don't store about: urls (home page related)
+ if(cleanUrl.scheme() == QString("about"))
+ return;
+
+ cleanUrl.setPassword(QString());
+ cleanUrl.setHost(cleanUrl.host().toLower());
+ HistoryItem item(cleanUrl.toString(), QDateTime::currentDateTime());
+ addHistoryEntry(item);
+
+ // Add item to completion object
+ QString _url(url);
+ _url.remove(QRegExp("^http://|/$"));
+ m_completion->addItem(_url);
+}
+
+
+void HistoryManager::setHistory(const QList<HistoryItem> &history, bool loadedAndSorted)
+{
+ m_history = history;
+
+ // verify that it is sorted by date
+ if (!loadedAndSorted)
+ qSort(m_history.begin(), m_history.end());
+
+ checkForExpired();
+
+ if (loadedAndSorted)
+ {
+ m_lastSavedUrl = m_history.value(0).url;
+ }
+ else
+ {
+ m_lastSavedUrl.clear();
+ m_saveTimer->changeOccurred();
+ }
+ emit historyReset();
+}
+
+
+HistoryModel *HistoryManager::historyModel() const
+{
+ return m_historyModel;
+}
+
+
+HistoryFilterModel *HistoryManager::historyFilterModel() const
+{
+ return m_historyFilterModel;
+}
+
+
+HistoryTreeModel *HistoryManager::historyTreeModel() const
+{
+ return m_historyTreeModel;
+}
+
+
+void HistoryManager::checkForExpired()
+{
+ if (m_historyLimit < 0 || m_history.isEmpty())
+ return;
+
+ QDateTime now = QDateTime::currentDateTime();
+ int nextTimeout = 0;
+
+ while (!m_history.isEmpty())
+ {
+ QDateTime checkForExpired = m_history.last().dateTime;
+ checkForExpired.setDate(checkForExpired.date().addDays(m_historyLimit));
+ if (now.daysTo(checkForExpired) > 7)
+ {
+ // check at most in a week to prevent int overflows on the timer
+ nextTimeout = 7 * 86400;
+ }
+ else
+ {
+ nextTimeout = now.secsTo(checkForExpired);
+ }
+ if (nextTimeout > 0)
+ break;
+ HistoryItem item = m_history.takeLast();
+ // remove from saved file also
+ m_lastSavedUrl.clear();
+ emit entryRemoved(item);
+ }
+
+ if (nextTimeout > 0)
+ m_expiredTimer.start(nextTimeout * 1000);
+}
+
+
+void HistoryManager::addHistoryEntry(const HistoryItem &item)
+{
+ QWebSettings *globalSettings = QWebSettings::globalSettings();
+ if (globalSettings->testAttribute(QWebSettings::PrivateBrowsingEnabled))
+ return;
+
+ m_history.prepend(item);
+ emit entryAdded(item);
+
+ if (m_history.count() == 1)
+ checkForExpired();
+}
+
+
+void HistoryManager::updateHistoryEntry(const KUrl &url, const QString &title)
+{
+ for (int i = 0; i < m_history.count(); ++i)
+ {
+ if (url == m_history.at(i).url)
+ {
+ m_history[i].title = title;
+ m_saveTimer->changeOccurred();
+ if (m_lastSavedUrl.isEmpty())
+ m_lastSavedUrl = m_history.at(i).url;
+ emit entryUpdated(i);
+ break;
+ }
+ }
+}
+
+
+void HistoryManager::removeHistoryEntry(const HistoryItem &item)
+{
+ m_lastSavedUrl.clear();
+ m_history.removeOne(item);
+ emit entryRemoved(item);
+}
+
+
+void HistoryManager::removeHistoryEntry(const KUrl &url, const QString &title)
+{
+ for (int i = 0; i < m_history.count(); ++i)
+ {
+ if (url == m_history.at(i).url
+ && (title.isEmpty() || title == m_history.at(i).title))
+ {
+ removeHistoryEntry(m_history.at(i));
+ break;
+ }
+ }
+
+ // Remove item from completion object
+ QString _url = url.path();
+ _url.remove(QRegExp("^http://|/$"));
+ m_completion->removeItem(_url);
+}
+
+
+int HistoryManager::historyLimit() const
+{
+ return m_historyLimit;
+}
+
+
+void HistoryManager::setHistoryLimit(int limit)
+{
+ if (m_historyLimit == limit)
+ return;
+ m_historyLimit = limit;
+ checkForExpired();
+ m_saveTimer->changeOccurred();
+}
+
+
+void HistoryManager::clear()
+{
+ m_history.clear();
+ m_lastSavedUrl.clear();
+ m_saveTimer->changeOccurred();
+ m_saveTimer->saveIfNeccessary();
+ historyReset();
+}
+
+
+void HistoryManager::loadSettings()
+{
+ int historyExpire = ReKonfig::expireHistory();
+ int days;
+ switch (historyExpire)
+ {
+ case 0: days = 1; break;
+ case 1: days = 7; break;
+ case 2: days = 14; break;
+ case 3: days = 30; break;
+ case 4: days = 365; break;
+ case 5: days = -1; break;
+ default: days = -1;
+ }
+ m_historyLimit = days;
+}
+
+
+void HistoryManager::load()
+{
+ loadSettings();
+
+ QString historyFilePath = KStandardDirs::locateLocal("appdata" , "history");
+ QFile historyFile(historyFilePath);
+ if (!historyFile.exists())
+ return;
+ if (!historyFile.open(QFile::ReadOnly))
+ {
+ kWarning() << "Unable to open history file" << historyFile.fileName();
+ return;
+ }
+
+ QList<HistoryItem> list;
+ QDataStream in(&historyFile);
+ // Double check that the history file is sorted as it is read in
+ bool needToSort = false;
+ HistoryItem lastInsertedItem;
+ QByteArray data;
+ QDataStream stream;
+ QBuffer buffer;
+ stream.setDevice(&buffer);
+ while (!historyFile.atEnd())
+ {
+ in >> data;
+ buffer.close();
+ buffer.setBuffer(&data);
+ buffer.open(QIODevice::ReadOnly);
+ quint32 ver;
+ stream >> ver;
+ if (ver != HISTORY_VERSION)
+ continue;
+ HistoryItem item;
+ stream >> item.url;
+ stream >> item.dateTime;
+ stream >> item.title;
+
+ if (!item.dateTime.isValid())
+ continue;
+
+ if (item == lastInsertedItem)
+ {
+ if (lastInsertedItem.title.isEmpty() && !list.isEmpty())
+ list[0].title = item.title;
+ continue;
+ }
+
+ if (!needToSort && !list.isEmpty() && lastInsertedItem < item)
+ needToSort = true;
+
+ list.prepend(item);
+ lastInsertedItem = item;
+
+ // Add item to completion object
+ QString _url = item.url;
+ _url.remove(QRegExp("^http://|/$"));
+ m_completion->addItem(_url);
+ }
+ if (needToSort)
+ qSort(list.begin(), list.end());
+
+ setHistory(list, true);
+
+ // If we had to sort re-write the whole history sorted
+ if (needToSort)
+ {
+ m_lastSavedUrl.clear();
+ m_saveTimer->changeOccurred();
+ }
+}
+
+
+void HistoryManager::save()
+{
+ bool saveAll = m_lastSavedUrl.isEmpty();
+ int first = m_history.count() - 1;
+ if (!saveAll)
+ {
+ // find the first one to save
+ for (int i = 0; i < m_history.count(); ++i)
+ {
+ if (m_history.at(i).url == m_lastSavedUrl)
+ {
+ first = i - 1;
+ break;
+ }
+ }
+ }
+ if (first == m_history.count() - 1)
+ saveAll = true;
+
+ QString historyFilePath = KStandardDirs::locateLocal("appdata" , "history");
+ QFile historyFile(historyFilePath);
+
+ // When saving everything use a temporary file to prevent possible data loss.
+ QTemporaryFile tempFile;
+ tempFile.setAutoRemove(false);
+ bool open = false;
+ if (saveAll)
+ {
+ open = tempFile.open();
+ }
+ else
+ {
+ open = historyFile.open(QFile::Append);
+ }
+
+ if (!open)
+ {
+ kWarning() << "Unable to open history file for saving"
+ << (saveAll ? tempFile.fileName() : historyFile.fileName());
+ return;
+ }
+
+ QDataStream out(saveAll ? &tempFile : &historyFile);
+ for (int i = first; i >= 0; --i)
+ {
+ QByteArray data;
+ QDataStream stream(&data, QIODevice::WriteOnly);
+ HistoryItem item = m_history.at(i);
+ stream << HISTORY_VERSION << item.url << item.dateTime << item.title;
+ out << data;
+ }
+ tempFile.close();
+
+ if (saveAll)
+ {
+ if (historyFile.exists() && !historyFile.remove())
+ {
+ kWarning() << "History: error removing old history." << historyFile.errorString();
+ }
+ if (!tempFile.rename(historyFile.fileName()))
+ {
+ kWarning() << "History: error moving new history over old." << tempFile.errorString() << historyFile.fileName();
+ }
+ }
+ m_lastSavedUrl = m_history.value(0).url;
+}
+
+
+KCompletion * HistoryManager::completionObject() const
+{
+ return m_completion;
+}