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RetroShare/retroshare-gui/src/gui/im_history/ImHistoryBrowser.cpp

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/****************************************************************
* RetroShare is distributed under the following license:
*
* Copyright (C) 2006 - 2010 The RetroShare Team
*
* 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) 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
****************************************************************/
#include <QMessageBox>
#include <QDateTime>
#include <QMenu>
#include <QClipboard>
#include <QTextDocument>
#include <QTextEdit>
#include <QClipboard>
#include <QKeyEvent>
#include <QThread>
#include "ImHistoryBrowser.h"
#include "IMHistoryItemDelegate.h"
#include "IMHistoryItemPainter.h"
#include "util/HandleRichText.h"
#include "rshare.h"
#include <retroshare/rshistory.h>
#include "gui/settings/rsharesettings.h"
#include "gui/notifyqt.h"
#define ROLE_MSGID Qt::UserRole
#define ROLE_PLAINTEXT Qt::UserRole + 1
#define ROLE_OFFLINE Qt::UserRole + 2
ImHistoryBrowserCreateItemsThread::ImHistoryBrowserCreateItemsThread(ImHistoryBrowser *parent, const std::string& peerId)
: QThread(parent)
{
m_peerId = peerId;
m_historyBrowser = parent;
stopped = false;
}
ImHistoryBrowserCreateItemsThread::~ImHistoryBrowserCreateItemsThread()
{
// remove all items (when items are available, the thread was terminated)
QList<QListWidgetItem*>::iterator it;
for (it = m_items.begin(); it != m_items.end(); it++) {
delete(*it);
}
m_items.clear();
}
void ImHistoryBrowserCreateItemsThread::stop()
{
disconnect();
stopped = true;
wait();
}
void ImHistoryBrowserCreateItemsThread::run()
{
std::list<HistoryMsg> historyMsgs;
rsHistory->getMessages(m_peerId, historyMsgs, 0);
int count = historyMsgs.size();
int current = 0;
std::list<HistoryMsg>::iterator it;
for (it = historyMsgs.begin(); it != historyMsgs.end(); it++) {
if (stopped) {
break;
}
QListWidgetItem *itemWidget = m_historyBrowser->createItem(*it);
if (itemWidget) {
m_items.push_back(itemWidget);
emit progress(++current, count);
}
}
}
/** Default constructor */
ImHistoryBrowser::ImHistoryBrowser(const std::string &peerId, QTextEdit *edit, QWidget *parent)
: QDialog(parent, Qt::WindowSystemMenuHint | Qt::WindowTitleHint | Qt::WindowCloseButtonHint)
{
/* Invoke Qt Designer generated QObject setup routine */
ui.setupUi(this);
ui.headerFrame->setHeaderImage(QPixmap(":/images/user/agt_forum64.png"));
ui.headerFrame->setHeaderText(tr("Message History"));
m_peerId = peerId;
m_isPrivateChat = !m_peerId.empty();
textEdit = edit;
connect(NotifyQt::getInstance(), SIGNAL(historyChanged(uint, int)), this, SLOT(historyChanged(uint, int)));
connect(ui.filterLineEdit, SIGNAL(textChanged(QString)), this, SLOT(filterChanged(QString)));
connect(ui.copyButton, SIGNAL(clicked()), SLOT(copyMessage()));
connect(ui.removeButton, SIGNAL(clicked()), SLOT(removeMessages()));
connect(ui.listWidget, SIGNAL(itemSelectionChanged()), this, SLOT(itemSelectionChanged()));
connect(ui.listWidget, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(customContextMenuRequested(QPoint)));
ui.filterLineEdit->showFilterIcon();
// embed smileys ?
if (m_isPrivateChat) {
embedSmileys = Settings->valueFromGroup("Chat", "Emoteicons_PrivatChat", true).toBool();
} else {
embedSmileys = Settings->valueFromGroup("Chat", "Emoteicons_GroupChat", true).toBool();
}
style.setStyleFromSettings(ChatStyle::TYPE_HISTORY);
ui.listWidget->setItemDelegate(new IMHistoryItemDelegate);
QByteArray geometry = Settings->valueFromGroup("HistorieBrowser", "Geometry", QByteArray()).toByteArray();
if (geometry.isEmpty() == false) {
restoreGeometry(geometry);
}
// dummy call for set buttons
itemSelectionChanged();
ui.listWidget->installEventFilter(this);
m_createThread = new ImHistoryBrowserCreateItemsThread(this, m_peerId);
connect(m_createThread, SIGNAL(finished()), this, SLOT(createThreadFinished()));
connect(m_createThread, SIGNAL(progress(int,int)), this, SLOT(createThreadProgress(int,int)));
m_createThread->start();
}
ImHistoryBrowser::~ImHistoryBrowser()
{
Settings->setValueToGroup("HistorieBrowser", "Geometry", saveGeometry());
if (m_createThread) {
m_createThread->stop();
delete(m_createThread);
m_createThread = NULL;
}
}
void ImHistoryBrowser::createThreadFinished()
{
if (m_createThread == sender()) {
ui.progressBar->setVisible(false);
if (!m_createThread->wasStopped()) {
// append created items
QList<QListWidgetItem*>::iterator it;
for (it = m_createThread->m_items.begin(); it != m_createThread->m_items.end(); it++) {
ui.listWidget->addItem(*it);
}
// clear list
m_createThread->m_items.clear();
filterChanged(ui.filterLineEdit->text());
// dummy call for set buttons
itemSelectionChanged();
m_createThread->deleteLater();
m_createThread = NULL;
QList<HistoryMsg>::iterator histIt;
for (histIt = itemsAddedOnLoad.begin(); histIt != itemsAddedOnLoad.end(); histIt++) {
historyAdd(*histIt);
}
itemsAddedOnLoad.clear();
}
}
}
void ImHistoryBrowser::createThreadProgress(int current, int count)
{
if (count) {
ui.progressBar->setValue(current * ui.progressBar->maximum() / count);
}
}
bool ImHistoryBrowser::eventFilter(QObject *obj, QEvent *event)
{
if (obj == ui.listWidget) {
if (event->type() == QEvent::KeyPress) {
QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
if (keyEvent && keyEvent->key() == Qt::Key_Delete) {
// Delete pressed
removeMessages();
return true; // eat event
}
}
}
// pass the event on to the parent class
return QDialog::eventFilter(obj, event);
}
void ImHistoryBrowser::historyAdd(HistoryMsg& msg)
{
if (m_createThread) {
// create later
itemsAddedOnLoad.push_back(msg);
return;
}
QListWidgetItem *itemWidget = createItem(msg);
if (itemWidget) {
ui.listWidget->addItem(itemWidget);
filterItems(ui.filterLineEdit->text(), itemWidget);
}
}
void ImHistoryBrowser::historyChanged(uint msgId, int type)
{
if (type == NOTIFY_TYPE_ADD) {
/* history message added */
HistoryMsg msg;
if (rsHistory->getMessage(msgId, msg) == false) {
return;
}
historyAdd(msg);
return;
}
if (type == NOTIFY_TYPE_DEL) {
/* history message removed */
int count = ui.listWidget->count();
for (int i = 0; i < count; i++) {
QListWidgetItem *itemWidget = ui.listWidget->item(i);
if (itemWidget->data(ROLE_MSGID).toString().toUInt() == msgId) {
delete(ui.listWidget->takeItem(i));
break;
}
}
return;
}
if (type == NOTIFY_TYPE_MOD) {
/* clear history */
ui.listWidget->clear();
return;
}
}
void ImHistoryBrowser::fillItem(QListWidgetItem *itemWidget, HistoryMsg& msg)
{
unsigned int formatTextFlag = RSHTML_FORMATTEXT_EMBED_LINKS;
if (embedSmileys) {
formatTextFlag |= RSHTML_FORMATTEXT_EMBED_SMILEYS;
}
ChatStyle::enumFormatMessage type;
if (msg.incoming) {
type = ChatStyle::FORMATMSG_INCOMING;
} else {
type = ChatStyle::FORMATMSG_OUTGOING;
}
QString messageText = RsHtml().formatText(NULL, QString::fromUtf8(msg.message.c_str()), formatTextFlag);
QString formatMsg = style.formatMessage(type, QString::fromUtf8(msg.peerName.c_str()), QDateTime::fromTime_t(msg.sendTime), messageText);
itemWidget->setData(Qt::DisplayRole, qVariantFromValue(IMHistoryItemPainter(formatMsg)));
itemWidget->setData(ROLE_MSGID, msg.msgId);
itemWidget->setData(ROLE_OFFLINE, (type == ChatStyle::FORMATMSG_OOUTGOING) ? true : false);
/* calculate plain text */
QTextDocument doc;
doc.setHtml(messageText);
itemWidget->setData(ROLE_PLAINTEXT, doc.toPlainText());
}
QListWidgetItem *ImHistoryBrowser::createItem(HistoryMsg& msg)
{
QListWidgetItem *itemWidget = new QListWidgetItem;
fillItem(itemWidget, msg);
return itemWidget;
}
void ImHistoryBrowser::filterChanged(const QString &text)
{
filterItems(text);
}
void ImHistoryBrowser::filterItems(const QString &text, QListWidgetItem *item)
{
if (item == NULL) {
int count = ui.listWidget->count();
for (int i = 0; i < count; i++) {
item = ui.listWidget->item(i);
if (text.isEmpty()) {
item->setHidden(false);
} else {
if (item->data(ROLE_PLAINTEXT).toString().contains(text, Qt::CaseInsensitive)) {
item->setHidden(false);
} else {
item->setHidden(true);
}
}
}
} else {
if (text.isEmpty()) {
item->setHidden(false);
} else {
if (item->data(ROLE_PLAINTEXT).toString().contains(text, Qt::CaseInsensitive)) {
item->setHidden(false);
} else {
item->setHidden(true);
}
}
}
}
void ImHistoryBrowser::getSelectedItems(std::list<uint32_t> &items)
{
QList<QListWidgetItem*> itemWidgets = ui.listWidget->selectedItems();
QList<QListWidgetItem*>::iterator it;
for (it = itemWidgets.begin(); it != itemWidgets.end(); it++) {
QListWidgetItem *item = *it;
if (item->isHidden()) {
continue;
}
items.push_back(item->data(ROLE_MSGID).toString().toInt());
}
}
void ImHistoryBrowser::itemSelectionChanged()
{
std::list<uint32_t> msgIds;
getSelectedItems(msgIds);
if (msgIds.size()) {
// activate buttons
ui.copyButton->setEnabled(true);
ui.removeButton->setEnabled(true);
} else {
// deactivate buttons
ui.copyButton->setDisabled(true);
ui.removeButton->setDisabled(true);
}
}
void ImHistoryBrowser::customContextMenuRequested(QPoint /*pos*/)
{
std::list<uint32_t> msgIds;
getSelectedItems(msgIds);
QListWidgetItem *currentItem = ui.listWidget->currentItem();
QMenu contextMnu(this);
QAction *selectAll = new QAction(tr("Mark all"), &contextMnu);
QAction *copyMessage = new QAction(tr("Copy"), &contextMnu);
QAction *removeMessages = new QAction(tr("Delete"), &contextMnu);
QAction *clearHistory = new QAction(tr("Clear history"), &contextMnu);
QAction *sendItem = NULL;
if (textEdit) {
sendItem = new QAction(tr("Send"), &contextMnu);
if (currentItem) {
connect(sendItem, SIGNAL(triggered()), this, SLOT(sendMessage()));
} else {
sendItem->setDisabled(true);
}
}
if (msgIds.size()) {
connect(selectAll, SIGNAL(triggered()), ui.listWidget, SLOT(selectAll()));
connect(copyMessage, SIGNAL(triggered()), this, SLOT(copyMessage()));
connect(removeMessages, SIGNAL(triggered()), this, SLOT(removeMessages()));
connect(clearHistory, SIGNAL(triggered()), this, SLOT(clearHistory()));
} else {
selectAll->setDisabled(true);
copyMessage->setDisabled(true);
removeMessages->setDisabled(true);
clearHistory->setDisabled(true);
}
contextMnu.addAction(selectAll);
contextMnu.addSeparator();
contextMnu.addAction(copyMessage);
contextMnu.addAction(removeMessages);
contextMnu.addAction(clearHistory);
if (sendItem) {
contextMnu.addSeparator();
contextMnu.addAction(sendItem);
}
contextMnu.exec(QCursor::pos());
}
void ImHistoryBrowser::copyMessage()
{
QListWidgetItem *currentItem = ui.listWidget->currentItem();
if (currentItem) {
uint32_t msgId = currentItem->data(ROLE_MSGID).toString().toInt();
HistoryMsg msg;
if (rsHistory->getMessage(msgId, msg)) {
QTextDocument doc;
doc.setHtml(QString::fromUtf8(msg.message.c_str()));
QApplication::clipboard()->setText(doc.toPlainText());
}
}
}
void ImHistoryBrowser::removeMessages()
{
std::list<uint32_t> msgIds;
getSelectedItems(msgIds);
rsHistory->removeMessages(msgIds);
}
void ImHistoryBrowser::clearHistory()
{
rsHistory->clear(m_peerId);
}
void ImHistoryBrowser::sendMessage()
{
if (textEdit) {
QListWidgetItem *currentItem = ui.listWidget->currentItem();
if (currentItem) {
uint32_t msgId = currentItem->data(ROLE_MSGID).toString().toInt();
HistoryMsg msg;
if (rsHistory->getMessage(msgId, msg)) {
textEdit->clear();
textEdit->setText(QString::fromUtf8(msg.message.c_str()));
textEdit->setFocus();
QTextCursor cursor = textEdit->textCursor();
cursor.movePosition(QTextCursor::End);
textEdit->setTextCursor(cursor);
close();
}
}
}
}
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