aji/ScreenTranslator
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Added support of several translators.

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This commit is contained in:
Gres 2015-10-09 23:33:35 +03:00
parent 6bacb14c56
commit 3a564e85a8
2 changed files with 43 additions and 29 deletions
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67
WebTranslator.cpp
View File

@ -9,10 +9,12 @@
#include "Settings.h"
#include "StAssert.h"
#include "WebTranslatorProxy.h"
#include "TranslatorHelper.h"
WebTranslator::WebTranslator ()
: QObject (),
proxy_ (new WebTranslatorProxy (this)), view_ (new QWebView), isReady_ (true) {
proxy_ (new WebTranslatorProxy (this)), view_ (new QWebView),
translatorHelper_ (new TranslatorHelper), isReady_ (true) {
view_->settings ()->setAttribute (QWebSettings::AutoLoadImages, false);
view_->settings ()->setAttribute (QWebSettings::DeveloperExtrasEnabled, true);
@ -29,16 +31,18 @@ WebTranslator::WebTranslator ()
connect (proxy_, SIGNAL (translated (QString)), SLOT (proxyTranslated (QString)));
applySettings ();
// Delay because it can emit signal that is not connected yet.
QTimer::singleShot (500, this, SLOT (applySettings ()));
}
WebTranslator::~WebTranslator () {
delete translatorHelper_;
delete view_;
}
void WebTranslator::addProxyToView () {
view_->page ()->mainFrame ()->addToJavaScriptWindowObject ("st_wtp", proxy_);
view_->page ()->mainFrame ()->evaluateJavaScript (script_);
view_->page ()->mainFrame ()->evaluateJavaScript (translatorHelper_->currentScript ());
}
void WebTranslator::translate (ProcessingItem item) {
@ -47,21 +51,20 @@ void WebTranslator::translate (ProcessingItem item) {
}
void WebTranslator::translateQueued () {
if (isReady_ && !script_.isEmpty () && !queue_.isEmpty ()) {
isReady_ = false;
runScriptForItem (queue_.first ());
translationTimeout_.start ();
if (isReady_ && !queue_.isEmpty ()) {
translatorHelper_->newItem ();
proxy_->setItem (queue_.first ());
if (!tryNextTranslator (true)) {
return;
}
}
}
void WebTranslator::runScriptForItem (const ProcessingItem &item) {
ST_ASSERT (!script_.isEmpty ());
proxy_->setItem (item);
view_->page ()->mainFrame ()->evaluateJavaScript ("translate();");
}
void WebTranslator::proxyTranslated (const QString &text) {
if (!queue_.isEmpty () && queue_.first ().recognized == proxy_->sourceText ()) {
if (text.isEmpty () && tryNextTranslator ()) {
return;
}
ProcessingItem &item = queue_.first ();
item.translated = text;
emit translated (item);
@ -70,12 +73,14 @@ void WebTranslator::proxyTranslated (const QString &text) {
}
void WebTranslator::abortTranslation () {
emit error (tr ("Перевод отменен по таймауту."));
finishTranslation ();
if (!tryNextTranslator ()) {
emit error (tr ("Перевод отменен по таймауту."));
finishTranslation ();
}
}
void WebTranslator::loadFinished (bool ok) {
if (!ok) {
if (!ok && !tryNextTranslator ()) {
QString url = view_->url ().toString ();
emit error (tr ("Ошибка загрузки страницы (%1) для перевода.").arg (url));
finishTranslation ();
@ -95,6 +100,21 @@ void WebTranslator::finishTranslation (bool markAsTranslated) {
translateQueued ();
}
bool WebTranslator::tryNextTranslator (bool firstTime) {
QString script = firstTime ? translatorHelper_->currentScript ()
: translatorHelper_->nextScript ();
if (script.isEmpty ()) {
return false;
}
translationTimeout_.stop ();
view_->stop ();
addProxyToView ();
view_->page ()->mainFrame ()->evaluateJavaScript ("translate();");
isReady_ = false;
translationTimeout_.start ();
return true;
}
void WebTranslator::replyFinished (QNetworkReply *reply) {
emit proxy_->resourceLoaded (reply->url ().toString ());
}
@ -104,18 +124,11 @@ void WebTranslator::applySettings () {
settings.beginGroup (settings_names::translationGroup);
#define GET(NAME) settings.value (settings_names::NAME, settings_values::NAME)
translationTimeout_.setInterval (GET (translationTimeout).toInt () * 1000);
translatorHelper_->loadScripts ();
if (!translatorHelper_->gotScripts ()) {
emit error (tr ("Нет сценариев для перевода. Измените настройки."));
}
#undef GET
QFile f ("translators/google.js");
if (f.open (QFile::ReadOnly)) {
script_ = QString::fromUtf8 (f.readAll ());
if (script_.isEmpty ()) {
emit error (tr ("Пустой сценарий для перевода. Перевод недоступен."));
}
}
else {
emit error (tr ("Не считан сценарий для перевода. Перевод недоступен."));
}
}
void WebTranslator::setDebugMode (bool isOn) {

5
WebTranslator.h
View File

@ -11,6 +11,7 @@ class QWebView;
class QNetworkReply;
class WebTranslatorProxy;
class TranslatorHelper;
class WebTranslator : public QObject {
Q_OBJECT
@ -37,15 +38,15 @@ class WebTranslator : public QObject {
private:
void translateQueued ();
void runScriptForItem (const ProcessingItem &item);
void finishTranslation (bool markAsTranslated = true);
bool tryNextTranslator (bool firstTime = false);
private:
WebTranslatorProxy *proxy_;
QWebView *view_;
TranslatorHelper *translatorHelper_;
QVector<ProcessingItem> queue_;
bool isReady_;
QString script_;
QTimer translationTimeout_;
};