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111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
/* ============================================================
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* QupZilla - WebKit based browser
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* Copyright (C) 2010-2014 David Rosca <nowrep@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* ============================================================ */
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#include "webhistorywrapper.h"
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#include <QUrl>
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#include <QVariant>
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#include <QWebHistory>
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QList<QWebHistoryItem> WebHistoryWrapper::forwardItems(int maxItems, QWebHistory* history)
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{
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QList<QWebHistoryItem> list;
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QUrl lastUrl = history->currentItem().url();
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int count = 0;
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foreach (const QWebHistoryItem &item, history->forwardItems(maxItems + 5)) {
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if (item.url() == lastUrl || count == maxItems) {
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continue;
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}
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lastUrl = item.url();
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list.append(item);
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count++;
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}
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return list;
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}
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QList<QWebHistoryItem> WebHistoryWrapper::backItems(int maxItems, QWebHistory* history)
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{
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QList<QWebHistoryItem> list;
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QUrl lastUrl = history->currentItem().url();
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int count = 0;
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QList<QWebHistoryItem> bItems = history->backItems(maxItems + 5);
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for (int i = bItems.count() - 1; i >= 0; i--) {
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QWebHistoryItem item = bItems.at(i);
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if (item.url() == lastUrl || count == maxItems) {
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continue;
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}
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lastUrl = item.url();
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list.append(item);
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count++;
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}
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return list;
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}
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bool WebHistoryWrapper::canGoForward(QWebHistory* history)
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{
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return !forwardItems(1, history).isEmpty();
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}
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bool WebHistoryWrapper::canGoBack(QWebHistory* history)
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{
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return !backItems(1, history).isEmpty();
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}
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void WebHistoryWrapper::goBack(QWebHistory* history)
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{
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QList<QWebHistoryItem> items = backItems(1, history);
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if (items.isEmpty()) {
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return;
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}
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history->goToItem(items.at(0));
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}
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void WebHistoryWrapper::goForward(QWebHistory* history)
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{
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QList<QWebHistoryItem> items = forwardItems(1, history);
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if (items.isEmpty()) {
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return;
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}
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history->goToItem(items.at(0));
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}
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int WebHistoryWrapper::indexOfItem(const QList<QWebHistoryItem> &list, const QWebHistoryItem &item)
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{
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for (int i = 0; i < list.count(); i++) {
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QWebHistoryItem it = list.at(i);
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if (it.lastVisited() == item.lastVisited() &&
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it.originalUrl() == item.originalUrl() &&
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it.title() == item.title() &&
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it.url() == item.url()) {
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return i;
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}
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}
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return -1;
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}
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