1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include "QtChatView.h"
#include <QtDebug>
#include <QFile>
#include <QDesktopServices>
#include <QVBoxLayout>
#include <QWebFrame>
#include <QKeyEvent>
#include <QStackedWidget>
#include <QTimer>
#include "QtWebView.h"
#include "QtChatTheme.h"
namespace Swift {
QtChatView::QtChatView(QtChatTheme* theme, QWidget* parent) : QWidget(parent) {
theme_ = theme;
QVBoxLayout* mainLayout = new QVBoxLayout(this);
mainLayout->setSpacing(0);
mainLayout->setContentsMargins(0,0,0,0);
webView_ = new QtWebView(this);
connect(webView_, SIGNAL(linkClicked(const QUrl&)), SLOT(handleLinkClicked(const QUrl&)));
connect(webView_, SIGNAL(loadFinished(bool)), SLOT(handleViewLoadFinished(bool)));
connect(webView_, SIGNAL(gotFocus()), SIGNAL(gotFocus()));
#ifdef Q_WS_X11
/* To give a border on Linux, where it looks bad without */
QStackedWidget* stack = new QStackedWidget(this);
stack->addWidget(webView_);
stack->setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
stack->setLineWidth(2);
mainLayout->addWidget(stack);
#else
mainLayout->addWidget(webView_);
#endif
webPage_ = new QWebPage(this);
webPage_->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
webView_->setPage(webPage_);
connect(webPage_, SIGNAL(selectionChanged()), SLOT(copySelectionToClipboard()));
viewReady_ = false;
QString pageHTML = theme_->getTemplate();
pageHTML.replace("==bodyBackground==", "background-color:#e3e3e3");
pageHTML.replace(pageHTML.indexOf("%@"), 2, theme_->getBase());
if (pageHTML.count("%@") > 3) {
pageHTML.replace(pageHTML.indexOf("%@"), 2, theme_->getMainCSS());
}
pageHTML.replace(pageHTML.indexOf("%@"), 2, "Variants/Blue on Green.css");
pageHTML.replace(pageHTML.indexOf("%@"), 2, ""/*headerSnippet.getContent()*/);
pageHTML.replace(pageHTML.indexOf("%@"), 2, ""/*footerSnippet.getContent()*/);
webPage_->mainFrame()->setHtml(pageHTML);
document_ = webPage_->mainFrame()->documentElement();
QWebElement chatElement = document_.findFirst("#Chat");
newInsertPoint_ = chatElement.clone();
newInsertPoint_.setOuterXml("<div id='swift_insert'/>");
chatElement.appendInside(newInsertPoint_);
Q_ASSERT(!newInsertPoint_.isNull());
}
void QtChatView::handleKeyPressEvent(QKeyEvent* event) {
webView_->keyPressEvent(event);
}
void QtChatView::addMessage(boost::shared_ptr<ChatSnippet> snippet) {
if (viewReady_) {
addToDOM(snippet);
} else {
queuedSnippets_.append(snippet);
}
}
QWebElement QtChatView::snippetToDOM(boost::shared_ptr<ChatSnippet> snippet) {
QWebElement newElement = newInsertPoint_.clone();
newElement.setInnerXml(snippet->getContent()); /* FIXME: Outer, surely? */
Q_ASSERT(!newElement.isNull());
return newElement;
}
void QtChatView::addToDOM(boost::shared_ptr<ChatSnippet> snippet) {
bool bottom = isScrolledToBottom();
QWebElement newElement = snippetToDOM(snippet);
QWebElement continuationElement = lastElement_.findFirst("#insert");
if (snippet->getAppendToPrevious()) {
Q_ASSERT(!continuationElement.isNull());
continuationElement.replace(newElement);
} else {
continuationElement.removeFromDocument();
newInsertPoint_.prependOutside(newElement);
}
lastElement_ = newElement;
if (bottom /* Or was me? */) {
QTimer::singleShot(0, this, SLOT(scrollToBottom()));
}
}
void QtChatView::correctLastMessage(const QString& newMessage) {
/* FIXME: must be queued */
lastElement_.findFirst("swift_message");
lastElement_.setPlainText(ChatSnippet::escape(newMessage));
}
void QtChatView::correctLastMessage(const QString& newMessage, const QString& note) {
correctLastMessage(newMessage);
lastElement_.findFirst("swift_time");
lastElement_.setPlainText(ChatSnippet::escape(note));
}
void QtChatView::copySelectionToClipboard() {
if (!webPage_->selectedText().isEmpty()) {
webPage_->triggerAction(QWebPage::Copy);
}
}
bool QtChatView::isScrolledToBottom() const {
return webPage_->mainFrame()->scrollBarValue(Qt::Vertical) == webPage_->mainFrame()->scrollBarMaximum(Qt::Vertical);
}
void QtChatView::scrollToBottom() {
webPage_->mainFrame()->setScrollBarValue(Qt::Vertical, webPage_->mainFrame()->scrollBarMaximum(Qt::Vertical));
}
void QtChatView::handleLinkClicked(const QUrl& url) {
QDesktopServices::openUrl(url);
}
void QtChatView::addQueuedSnippets() {
for (int i = 0; i < queuedSnippets_.count(); i++) {
addToDOM(queuedSnippets_[i]);
}
queuedSnippets_.clear();
}
void QtChatView::handleViewLoadFinished(bool ok) {
Q_ASSERT(ok);
viewReady_ = true;
addQueuedSnippets();
// webPage_->mainFrame()->evaluateJavaScript(queuedMessages_);
// queuedMessages_.clear();
}
}
|
Swift