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Diffstat (limited to 'src/declarative/qml/v8/qdeclarativebuiltinfunctions.cpp')
| -rw-r--r-- | src/declarative/qml/v8/qdeclarativebuiltinfunctions.cpp | 1320 |
1 files changed, 0 insertions, 1320 deletions
diff --git a/src/declarative/qml/v8/qdeclarativebuiltinfunctions.cpp b/src/declarative/qml/v8/qdeclarativebuiltinfunctions.cpp deleted file mode 100644 index 12f06e6b76..0000000000 --- a/src/declarative/qml/v8/qdeclarativebuiltinfunctions.cpp +++ /dev/null @@ -1,1320 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qdeclarativebuiltinfunctions_p.h" - -#include <QtDeclarative/qdeclarativecomponent.h> -#include <private/qdeclarativeengine_p.h> -#include <private/qdeclarativecomponent_p.h> -#include <private/qdeclarativestringconverters_p.h> -#include <private/qdeclarativelocale_p.h> -#include <private/qv8engine_p.h> -#include <private/qjsconverter_impl_p.h> - -#include <private/qv8profilerservice_p.h> -#include <private/qdeclarativeprofilerservice_p.h> - -#include <QtCore/qstring.h> -#include <QtCore/qdatetime.h> -#include <QtCore/qcryptographichash.h> -#include <QtCore/qrect.h> -#include <QtCore/qsize.h> -#include <QtCore/qpoint.h> -#include <QtCore/qurl.h> -#include <QtCore/qfile.h> -#include <QtCore/qcoreapplication.h> - -#include <QtGui/qcolor.h> -#include <QtGui/qvector3d.h> -#include <QtGui/qvector4d.h> -#include <QtGui/qdesktopservices.h> -#include <QtGui/qfontdatabase.h> - -QT_BEGIN_NAMESPACE - -namespace QDeclarativeBuiltinFunctions { - -enum ConsoleLogTypes { - Log, - Warn, - Error -}; - -static void jsContext(v8::Handle<v8::Value> *file, int *line, v8::Handle<v8::Value> *function) { - v8::Local<v8::StackTrace> stackTrace = v8::StackTrace::CurrentStackTrace(1); - if (stackTrace->GetFrameCount()) { - v8::Local<v8::StackFrame> frame = stackTrace->GetFrame(0); - *file = frame->GetScriptName(); - *line = frame->GetLineNumber(); - *function = frame->GetFunctionName(); - } -} - -static QString jsStack() { - QStringList stackFrames; - - //The v8 default is currently 10 stack frames. - v8::Handle<v8::StackTrace> stackTrace = - v8::StackTrace::CurrentStackTrace(10, v8::StackTrace::kOverview); - int stackCount = stackTrace->GetFrameCount(); - - for (int i = 0; i < stackCount; i++) { - v8::Local<v8::StackFrame> frame = stackTrace->GetFrame(i); - v8::Handle<v8::String> function(frame->GetFunctionName()); - v8::Handle<v8::String> script(frame->GetScriptName()); - int lineNumber = frame->GetLineNumber(); - int columnNumber = frame->GetColumn(); - - QString stackFrame = - QString::fromLatin1("%1 (%2:%3:%4)").arg(QJSConverter::toString(function), - QJSConverter::toString(script), - QString::number(lineNumber), - QString::number(columnNumber)); - stackFrames.append(stackFrame); - } - return stackFrames.join(QLatin1String("\n")); -} - -v8::Handle<v8::Value> console(ConsoleLogTypes logType, const v8::Arguments &args, - bool printStack = false) -{ - v8::HandleScope handleScope; - - QString result; - for (int i = 0; i < args.Length(); ++i) { - if (i != 0) - result.append(QLatin1Char(' ')); - - v8::Local<v8::Value> value = args[i]; - //Check for Object Type - if (value->IsObject() && !value->IsFunction() - && !value->IsArray() && !value->IsDate() - && !value->IsRegExp()) { - result.append(QLatin1String("Object")); - } else { - v8::Local<v8::String> jsstr = value->ToString(); - QString tmp = V8ENGINE()->toString(jsstr); - if (value->IsArray()) - result.append(QString::fromLatin1("[%1]").arg(tmp)); - else - result.append(tmp); - } - } - - if (printStack) { - result.append(QLatin1String("\n")); - result.append(jsStack()); - } - - v8::Handle<v8::Value> fileHandle; - v8::Handle<v8::Value> functionHandle; - int line; - - jsContext(&fileHandle, &line, &functionHandle); - - switch (logType) { - case Log: - QMessageLogger(*v8::String::AsciiValue(fileHandle), line, - *v8::String::AsciiValue(functionHandle)).debug("%s", qPrintable(result)); - break; - case Warn: - QMessageLogger(*v8::String::AsciiValue(fileHandle), line, - *v8::String::AsciiValue(functionHandle)).warning("%s", qPrintable(result)); - break; - case Error: - QMessageLogger(*v8::String::AsciiValue(fileHandle), line, - *v8::String::AsciiValue(functionHandle)).critical("%s", qPrintable(result)); - break; - default: - break; - } - - return v8::Undefined(); -} - -v8::Handle<v8::Value> gc(const v8::Arguments &args) -{ - Q_UNUSED(args); - QV8Engine::gc(); - return v8::Undefined(); -} - -v8::Handle<v8::Value> consoleError(const v8::Arguments &args) -{ - return console(Error, args); -} - -v8::Handle<v8::Value> consoleLog(const v8::Arguments &args) -{ - //console.log - //console.debug - //console.info - //print - return console(Log, args); -} - -v8::Handle<v8::Value> consoleProfile(const v8::Arguments &args) -{ - //DeclarativeDebugTrace cannot handle nested profiling - //although v8 can handle several profiling at once, - //we do not allow that. Hence, we pass an empty(default) title - Q_UNUSED(args); - QString title; - - - - v8::Handle<v8::Value> file; - v8::Handle<v8::Value> function; - int line; - jsContext(&file, &line, &function); - - if (QDeclarativeProfilerService::startProfiling()) { - QV8ProfilerService::instance()->startProfiling(title); - - QMessageLogger(*v8::String::AsciiValue(file), line, - *v8::String::AsciiValue(function)).debug("Profiling started."); - } else { - QMessageLogger(*v8::String::AsciiValue(file), line, - *v8::String::AsciiValue(function)).warning( - "Profiling is already in progress. First, end current profiling session."); - } - - return v8::Undefined(); -} - -v8::Handle<v8::Value> consoleProfileEnd(const v8::Arguments &args) -{ - //DeclarativeDebugTrace cannot handle nested profiling - //although v8 can handle several profiling at once, - //we do not allow that. Hence, we pass an empty(default) title - Q_UNUSED(args); - QString title; - - v8::Handle<v8::Value> file; - v8::Handle<v8::Value> function; - int line; - jsContext(&file, &line, &function); - - if (QDeclarativeProfilerService::stopProfiling()) { - QV8ProfilerService *profiler = QV8ProfilerService::instance(); - profiler->stopProfiling(title); - QDeclarativeProfilerService::sendProfilingData(); - profiler->sendProfilingData(); - - QMessageLogger(*v8::String::AsciiValue(file), line, - *v8::String::AsciiValue(function)).debug("Profiling ended."); - } else { - QMessageLogger(*v8::String::AsciiValue(file), line, - *v8::String::AsciiValue(function)).warning("Profiling was not started."); - } - - return v8::Undefined(); -} - -v8::Handle<v8::Value> consoleTime(const v8::Arguments &args) -{ - if (args.Length() != 1) - V8THROW_ERROR("console.time(): Invalid arguments"); - QString name = V8ENGINE()->toString(args[0]); - V8ENGINE()->startTimer(name); - return v8::Undefined(); -} - -v8::Handle<v8::Value> consoleTimeEnd(const v8::Arguments &args) -{ - if (args.Length() != 1) - V8THROW_ERROR("console.time(): Invalid arguments"); - QString name = V8ENGINE()->toString(args[0]); - bool wasRunning; - qint64 elapsed = V8ENGINE()->stopTimer(name, &wasRunning); - if (wasRunning) { - qDebug("%s: %llims", qPrintable(name), elapsed); - } - return v8::Undefined(); -} - -v8::Handle<v8::Value> consoleCount(const v8::Arguments &args) -{ - // first argument: name to print. Ignore any additional arguments - QString name; - if (args.Length() > 0) - name = V8ENGINE()->toString(args[0]); - - v8::Handle<v8::StackTrace> stackTrace = - v8::StackTrace::CurrentStackTrace(1, v8::StackTrace::kOverview); - - if (stackTrace->GetFrameCount()) { - v8::Local<v8::StackFrame> frame = stackTrace->GetFrame(0); - - QString scriptName = V8ENGINE()->toString(frame->GetScriptName()); - QString functionName = V8ENGINE()->toString(frame->GetFunctionName()); - int line = frame->GetLineNumber(); - int column = frame->GetColumn(); - - int value = V8ENGINE()->consoleCountHelper(scriptName, line, column); - QString message = name + QLatin1String(": ") + QString::number(value); - - QMessageLogger(qPrintable(scriptName), line, - qPrintable(functionName)).debug("%s", qPrintable(message)); - } - - return v8::Undefined(); -} - -v8::Handle<v8::Value> consoleTrace(const v8::Arguments &args) -{ - if (args.Length() != 0) - V8THROW_ERROR("console.trace(): Invalid arguments"); - - QString stack = jsStack(); - - v8::Handle<v8::Value> file; - v8::Handle<v8::Value> function; - int line; - jsContext(&file, &line, &function); - - QMessageLogger(*v8::String::AsciiValue(file), line, *v8::String::AsciiValue(function)).debug( - "%s", qPrintable(stack)); - return v8::Undefined(); -} - -v8::Handle<v8::Value> consoleWarn(const v8::Arguments &args) -{ - return console(Warn, args); -} - -v8::Handle<v8::Value> consoleAssert(const v8::Arguments &args) -{ - if (args.Length() == 0) - V8THROW_ERROR("console.assert(): Missing argument"); - - if (!args[0]->ToBoolean()->Value()) { - QString message; - for (int i = 1; i < args.Length(); ++i) { - if (i != 1) - message.append(QLatin1Char(' ')); - - v8::Local<v8::Value> value = args[i]; - message.append(V8ENGINE()->toString(value->ToString())); - } - - QString stack = jsStack(); - - v8::Handle<v8::Value> file; - v8::Handle<v8::Value> function; - int line; - jsContext(&file, &line, &function); - - QMessageLogger(*v8::String::AsciiValue(file), line, *v8::String::AsciiValue(function)).critical( - "%s\n%s", qPrintable(message), qPrintable(stack)); - - } - return v8::Undefined(); -} - -v8::Handle<v8::Value> consoleException(const v8::Arguments &args) -{ - if (args.Length() == 0) - V8THROW_ERROR("console.exception(): Missing argument"); - - console(Error, args, true); - - return v8::Undefined(); -} - -v8::Handle<v8::Value> stringArg(const v8::Arguments &args) -{ - QString value = V8ENGINE()->toString(args.This()->ToString()); - if (args.Length() != 1) - V8THROW_ERROR("String.arg(): Invalid arguments"); - - v8::Handle<v8::Value> arg = args[0]; - if (arg->IsUint32()) - return V8ENGINE()->toString(value.arg(arg->Uint32Value())); - else if (arg->IsInt32()) - return V8ENGINE()->toString(value.arg(arg->Int32Value())); - else if (arg->IsNumber()) - return V8ENGINE()->toString(value.arg(arg->NumberValue())); - else if (arg->IsBoolean()) - return V8ENGINE()->toString(value.arg(arg->BooleanValue())); - - return V8ENGINE()->toString(value.arg(V8ENGINE()->toString(arg))); -} - -/*! -\qmlmethod bool Qt::isQtObject(object) -Returns true if \c object is a valid reference to a Qt or QML object, otherwise false. -*/ -v8::Handle<v8::Value> isQtObject(const v8::Arguments &args) -{ - if (args.Length() == 0) - return v8::Boolean::New(false); - - return v8::Boolean::New(0 != V8ENGINE()->toQObject(args[0])); -} - -/*! -\qmlmethod color Qt::rgba(real red, real green, real blue, real alpha) - -Returns a color with the specified \c red, \c green, \c blue and \c alpha components. -All components should be in the range 0-1 inclusive. -*/ -v8::Handle<v8::Value> rgba(const v8::Arguments &args) -{ - int argCount = args.Length(); - if (argCount < 3 || argCount > 4) - V8THROW_ERROR("Qt.rgba(): Invalid arguments"); - - double r = args[0]->NumberValue(); - double g = args[1]->NumberValue(); - double b = args[2]->NumberValue(); - double a = (argCount == 4) ? args[3]->NumberValue() : 1; - - if (r < 0.0) r=0.0; - if (r > 1.0) r=1.0; - if (g < 0.0) g=0.0; - if (g > 1.0) g=1.0; - if (b < 0.0) b=0.0; - if (b > 1.0) b=1.0; - if (a < 0.0) a=0.0; - if (a > 1.0) a=1.0; - - return V8ENGINE()->fromVariant(QVariant::fromValue(QColor::fromRgbF(r, g, b, a))); -} - -/*! -\qmlmethod color Qt::hsla(real hue, real saturation, real lightness, real alpha) - -Returns a color with the specified \c hue, \c saturation, \c lightness and \c alpha components. -All components should be in the range 0-1 inclusive. -*/ -v8::Handle<v8::Value> hsla(const v8::Arguments &args) -{ - int argCount = args.Length(); - if (argCount < 3 || argCount > 4) - V8THROW_ERROR("Qt.hsla(): Invalid arguments"); - - double h = args[0]->NumberValue(); - double s = args[1]->NumberValue(); - double l = args[2]->NumberValue(); - double a = (argCount == 4) ? args[3]->NumberValue() : 1; - - if (h < 0.0) h=0.0; - if (h > 1.0) h=1.0; - if (s < 0.0) s=0.0; - if (s > 1.0) s=1.0; - if (l < 0.0) l=0.0; - if (l > 1.0) l=1.0; - if (a < 0.0) a=0.0; - if (a > 1.0) a=1.0; - - return V8ENGINE()->fromVariant(QVariant::fromValue(QColor::fromHslF(h, s, l, a))); -} - -/*! -\qmlmethod rect Qt::rect(int x, int y, int width, int height) - -Returns a \c rect with the top-left corner at \c x, \c y and the specified \c width and \c height. - -The returned object has \c x, \c y, \c width and \c height attributes with the given values. -*/ -v8::Handle<v8::Value> rect(const v8::Arguments &args) -{ - if (args.Length() != 4) - V8THROW_ERROR("Qt.rect(): Invalid arguments"); - - double x = args[0]->NumberValue(); - double y = args[1]->NumberValue(); - double w = args[2]->NumberValue(); - double h = args[3]->NumberValue(); - - return V8ENGINE()->fromVariant(QVariant::fromValue(QRectF(x, y, w, h))); -} - -/*! -\qmlmethod point Qt::point(int x, int y) -Returns a Point with the specified \c x and \c y coordinates. -*/ -v8::Handle<v8::Value> point(const v8::Arguments &args) -{ - if (args.Length() != 2) - V8THROW_ERROR("Qt.point(): Invalid arguments"); - - double x = args[0]->ToNumber()->Value(); - double y = args[1]->ToNumber()->Value(); - - return V8ENGINE()->fromVariant(QVariant::fromValue(QPointF(x, y))); -} - -/*! -\qmlmethod Qt::size(int width, int height) -Returns a Size with the specified \c width and \c height. -*/ -v8::Handle<v8::Value> size(const v8::Arguments &args) -{ - if (args.Length() != 2) - V8THROW_ERROR("Qt.size(): Invalid arguments"); - - double w = args[0]->ToNumber()->Value(); - double h = args[1]->ToNumber()->Value(); - - return V8ENGINE()->fromVariant(QVariant::fromValue(QSizeF(w, h))); -} - -/*! -\qmlmethod Qt::vector3d(real x, real y, real z) -Returns a Vector3D with the specified \c x, \c y and \c z. -*/ -v8::Handle<v8::Value> vector3d(const v8::Arguments &args) -{ - if (args.Length() != 3) - V8THROW_ERROR("Qt.vector(): Invalid arguments"); - - double x = args[0]->ToNumber()->Value(); - double y = args[1]->ToNumber()->Value(); - double z = args[2]->ToNumber()->Value(); - - return V8ENGINE()->fromVariant(QVariant::fromValue(QVector3D(x, y, z))); -} - -/*! -\qmlmethod Qt::vector4d(real x, real y, real z, real w) -Returns a Vector4D with the specified \c x, \c y, \c z and \c w. -*/ -v8::Handle<v8::Value> vector4d(const v8::Arguments &args) -{ - if (args.Length() != 4) - V8THROW_ERROR("Qt.vector4d(): Invalid arguments"); - - double x = args[0]->NumberValue(); - double y = args[1]->NumberValue(); - double z = args[2]->NumberValue(); - double w = args[3]->NumberValue(); - - return V8ENGINE()->fromVariant(QVariant::fromValue(QVector4D(x, y, z, w))); -} - -/*! -\qmlmethod color Qt::lighter(color baseColor, real factor) -Returns a color lighter than \c baseColor by the \c factor provided. - -If the factor is greater than 1.0, this functions returns a lighter color. -Setting factor to 1.5 returns a color that is 50% brighter. If the factor is less than 1.0, -the return color is darker, but we recommend using the Qt.darker() function for this purpose. -If the factor is 0 or negative, the return value is unspecified. - -The function converts the current RGB color to HSV, multiplies the value (V) component -by factor and converts the color back to RGB. - -If \c factor is not supplied, returns a color 50% lighter than \c baseColor (factor 1.5). -*/ -v8::Handle<v8::Value> lighter(const v8::Arguments &args) -{ - if (args.Length() != 1 && args.Length() != 2) - V8THROW_ERROR("Qt.lighter(): Invalid arguments"); - - QColor color; - QVariant v = V8ENGINE()->toVariant(args[0], -1); - if (v.userType() == QVariant::Color) { - color = v.value<QColor>(); - } else if (v.userType() == QVariant::String) { - bool ok = false; - color = QDeclarativeStringConverters::colorFromString(v.toString(), &ok); - if (!ok) { - return v8::Null(); - } - } else { - return v8::Null(); - } - - qreal factor = 1.5; - if (args.Length() == 2) - factor = args[1]->ToNumber()->Value(); - - color = color.lighter(int(qRound(factor*100.))); - return V8ENGINE()->fromVariant(QVariant::fromValue(color)); -} - -/*! -\qmlmethod color Qt::darker(color baseColor, real factor) -Returns a color darker than \c baseColor by the \c factor provided. - -If the factor is greater than 1.0, this function returns a darker color. -Setting factor to 3.0 returns a color that has one-third the brightness. -If the factor is less than 1.0, the return color is lighter, but we recommend using -the Qt.lighter() function for this purpose. If the factor is 0 or negative, the return -value is unspecified. - -The function converts the current RGB color to HSV, divides the value (V) component -by factor and converts the color back to RGB. - -If \c factor is not supplied, returns a color 50% darker than \c baseColor (factor 2.0). -*/ -v8::Handle<v8::Value> darker(const v8::Arguments &args) -{ - if (args.Length() != 1 && args.Length() != 2) - V8THROW_ERROR("Qt.darker(): Invalid arguments"); - - QColor color; - QVariant v = V8ENGINE()->toVariant(args[0], -1); - if (v.userType() == QVariant::Color) { - color = v.value<QColor>(); - } else if (v.userType() == QVariant::String) { - bool ok = false; - color = QDeclarativeStringConverters::colorFromString(v.toString(), &ok); - if (!ok) { - return v8::Null(); - } - } else { - return v8::Null(); - } - - qreal factor = 2.0; - if (args.Length() == 2) - factor = args[1]->ToNumber()->Value(); - - color = color.darker(int(qRound(factor*100.))); - return V8ENGINE()->fromVariant(QVariant::fromValue(color)); -} - -/*! - \qmlmethod color Qt::tint(color baseColor, color tintColor) - This function allows tinting one color with another. - - The tint color should usually be mostly transparent, or you will not be - able to see the underlying color. The below example provides a slight red - tint by having the tint color be pure red which is only 1/16th opaque. - - \qml - Item { - Rectangle { - x: 0; width: 80; height: 80 - color: "lightsteelblue" - } - Rectangle { - x: 100; width: 80; height: 80 - color: Qt.tint("lightsteelblue", "#10FF0000") - } - } - \endqml - \image declarative-rect_tint.png - - Tint is most useful when a subtle change is intended to be conveyed due to some event; you can then use tinting to more effectively tune the visible color. -*/ -v8::Handle<v8::Value> tint(const v8::Arguments &args) -{ - if (args.Length() != 2) - V8THROW_ERROR("Qt.tint(): Invalid arguments"); - - // base color - QColor color; - QVariant v = V8ENGINE()->toVariant(args[0], -1); - if (v.userType() == QVariant::Color) { - color = v.value<QColor>(); - } else if (v.userType() == QVariant::String) { - bool ok = false; - color = QDeclarativeStringConverters::colorFromString(v.toString(), &ok); - if (!ok) { - return v8::Null(); - } - } else { - return v8::Null(); - } - - // tint color - QColor tintColor; - v = V8ENGINE()->toVariant(args[1], -1); - if (v.userType() == QVariant::Color) { - tintColor = v.value<QColor>(); - } else if (v.userType() == QVariant::String) { - bool ok = false; - tintColor = QDeclarativeStringConverters::colorFromString(v.toString(), &ok); - if (!ok) { - return v8::Null(); - } - } else { - return v8::Null(); - } - - // tint the base color and return the final color - QColor finalColor; - int a = tintColor.alpha(); - if (a == 0xFF) - finalColor = tintColor; - else if (a == 0x00) - finalColor = color; - else { - qreal a = tintColor.alphaF(); - qreal inv_a = 1.0 - a; - - finalColor.setRgbF(tintColor.redF() * a + color.redF() * inv_a, - tintColor.greenF() * a + color.greenF() * inv_a, - tintColor.blueF() * a + color.blueF() * inv_a, - a + inv_a * color.alphaF()); - } - - return V8ENGINE()->fromVariant(QVariant::fromValue(finalColor)); -} - -/*! -\qmlmethod string Qt::formatDate(datetime date, variant format) - -Returns a string representation of \c date, optionally formatted according -to \c format. - -The \a date parameter may be a JavaScript \c Date object, a \l{date}{date} -property, a QDate, or QDateTime value. The \a format parameter may be any of -the possible format values as described for -\l{QML:Qt::formatDateTime()}{Qt.formatDateTime()}. - -If \a format is not specified, \a date is formatted using -\l {Qt::DefaultLocaleShortDate}{Qt.DefaultLocaleShortDate}. - -\sa Locale -*/ -v8::Handle<v8::Value> formatDate(const v8::Arguments &args) -{ - if (args.Length() < 1 || args.Length() > 2) - V8THROW_ERROR("Qt.formatDate(): Invalid arguments"); - - Qt::DateFormat enumFormat = Qt::DefaultLocaleShortDate; - QDate date = V8ENGINE()->toVariant(args[0], -1).toDateTime().date(); - QString formattedDate; - if (args.Length() == 2) { - if (args[1]->IsString()) { - QString format = V8ENGINE()->toVariant(args[1], -1).toString(); - formattedDate = date.toString(format); - } else if (args[1]->IsNumber()) { - quint32 intFormat = args[1]->ToNumber()->Value(); - Qt::DateFormat format = Qt::DateFormat(intFormat); - formattedDate = date.toString(format); - } else { - V8THROW_ERROR("Qt.formatDate(): Invalid date format"); - } - } else { - formattedDate = date.toString(enumFormat); - } - - return V8ENGINE()->fromVariant(QVariant::fromValue(formattedDate)); -} - -/*! -\qmlmethod string Qt::formatTime(datetime time, variant format) - -Returns a string representation of \c time, optionally formatted according to -\c format. - -The \a time parameter may be a JavaScript \c Date object, a QTime, or QDateTime -value. The \a format parameter may be any of the possible format values as -described for \l{QML:Qt::formatDateTime()}{Qt.formatDateTime()}. - -If \a format is not specified, \a time is formatted using -\l {Qt::DefaultLocaleShortDate}{Qt.DefaultLocaleShortDate}. - -\sa Locale -*/ -v8::Handle<v8::Value> formatTime(const v8::Arguments &args) -{ - if (args.Length() < 1 || args.Length() > 2) - V8THROW_ERROR("Qt.formatTime(): Invalid arguments"); - - QVariant argVariant = V8ENGINE()->toVariant(args[0], -1); - QTime time; - if (args[0]->IsDate() || (argVariant.type() == QVariant::String)) - time = argVariant.toDateTime().time(); - else // if (argVariant.type() == QVariant::Time), or invalid. - time = argVariant.toTime(); - - Qt::DateFormat enumFormat = Qt::DefaultLocaleShortDate; - QString formattedTime; - if (args.Length() == 2) { - if (args[1]->IsString()) { - QString format = V8ENGINE()->toVariant(args[1], -1).toString(); - formattedTime = time.toString(format); - } else if (args[1]->IsNumber()) { - quint32 intFormat = args[1]->ToNumber()->Value(); - Qt::DateFormat format = Qt::DateFormat(intFormat); - formattedTime = time.toString(format); - } else { - V8THROW_ERROR("Qt.formatTime(): Invalid time format"); - } - } else { - formattedTime = time.toString(enumFormat); - } - - return V8ENGINE()->fromVariant(QVariant::fromValue(formattedTime)); -} - -/*! -\qmlmethod string Qt::formatDateTime(datetime dateTime, variant format) - -Returns a string representation of \c datetime, optionally formatted according to -\c format. - -The \a date parameter may be a JavaScript \c Date object, a \l{date}{date} -property, a QDate, QTime, or QDateTime value. - -If \a format is not provided, \a dateTime is formatted using -\l {Qt::DefaultLocaleShortDate}{Qt.DefaultLocaleShortDate}. Otherwise, -\a format should be either: - -\list -\o One of the Qt::DateFormat enumeration values, such as - \c Qt.DefaultLocaleShortDate or \c Qt.ISODate -\o A string that specifies the format of the returned string, as detailed below. -\endlist - -If \a format specifies a format string, it should use the following expressions -to specify the date: - - \table - \header \i Expression \i Output - \row \i d \i the day as number without a leading zero (1 to 31) - \row \i dd \i the day as number with a leading zero (01 to 31) - \row \i ddd - \i the abbreviated localized day name (e.g. 'Mon' to 'Sun'). - Uses QDate::shortDayName(). - \row \i dddd - \i the long localized day name (e.g. 'Monday' to 'Qt::Sunday'). - Uses QDate::longDayName(). - \row \i M \i the month as number without a leading zero (1-12) - \row \i MM \i the month as number with a leading zero (01-12) - \row \i MMM - \i the abbreviated localized month name (e.g. 'Jan' to 'Dec'). - Uses QDate::shortMonthName(). - \row \i MMMM - \i the long localized month name (e.g. 'January' to 'December'). - Uses QDate::longMonthName(). - \row \i yy \i the year as two digit number (00-99) - \row \i yyyy \i the year as four digit number - \endtable - -In addition the following expressions can be used to specify the time: - - \table - \header \i Expression \i Output - \row \i h - \i the hour without a leading zero (0 to 23 or 1 to 12 if AM/PM display) - \row \i hh - \i the hour with a leading zero (00 to 23 or 01 to 12 if AM/PM display) - \row \i m \i the minute without a leading zero (0 to 59) - \row \i mm \i the minute with a leading zero (00 to 59) - \row \i s \i the second without a leading zero (0 to 59) - \row \i ss \i the second with a leading zero (00 to 59) - \row \i z \i the milliseconds without leading zeroes (0 to 999) - \row \i zzz \i the milliseconds with leading zeroes (000 to 999) - \row \i AP - \i use AM/PM display. \e AP will be replaced by either "AM" or "PM". - \row \i ap - \i use am/pm display. \e ap will be replaced by either "am" or "pm". - \endtable - - All other input characters will be ignored. Any sequence of characters that - are enclosed in single quotes will be treated as text and not be used as an - expression. Two consecutive single quotes ("''") are replaced by a single quote - in the output. - -For example, if the following date/time value was specified: - - \code - // 21 May 2001 14:13:09 - var dateTime = new Date(2001, 5, 21, 14, 13, 09) - \endcode - -This \a dateTime value could be passed to \c Qt.formatDateTime(), -\l {QML:Qt::formatDate()}{Qt.formatDate()} or \l {QML:Qt::formatTime()}{Qt.formatTime()} -with the \a format values below to produce the following results: - - \table - \header \i Format \i Result - \row \i "dd.MM.yyyy" \i 21.05.2001 - \row \i "ddd MMMM d yy" \i Tue May 21 01 - \row \i "hh:mm:ss.zzz" \i 14:13:09.042 - \row \i "h:m:s ap" \i 2:13:9 pm - \endtable - - \sa Locale -*/ -v8::Handle<v8::Value> formatDateTime(const v8::Arguments &args) -{ - if (args.Length() < 1 || args.Length() > 2) - V8THROW_ERROR("Qt.formatDateTime(): Invalid arguments"); - - Qt::DateFormat enumFormat = Qt::DefaultLocaleShortDate; - QDateTime dt = V8ENGINE()->toVariant(args[0], -1).toDateTime(); - QString formattedDt; - if (args.Length() == 2) { - if (args[1]->IsString()) { - QString format = V8ENGINE()->toVariant(args[1], -1).toString(); - formattedDt = dt.toString(format); - } else if (args[1]->IsNumber()) { - quint32 intFormat = args[1]->ToNumber()->Value(); - Qt::DateFormat format = Qt::DateFormat(intFormat); - formattedDt = dt.toString(format); - } else { - V8THROW_ERROR("Qt.formatDateTime(): Invalid datetime format"); - } - } else { - formattedDt = dt.toString(enumFormat); - } - - return V8ENGINE()->fromVariant(QVariant::fromValue(formattedDt)); -} - -/*! -\qmlmethod bool Qt::openUrlExternally(url target) -Attempts to open the specified \c target url in an external application, based on the user's desktop preferences. Returns true if it succeeds, and false otherwise. -*/ -v8::Handle<v8::Value> openUrlExternally(const v8::Arguments &args) -{ - if (args.Length() != 1) - return V8ENGINE()->fromVariant(false); - - bool ret = false; -#ifndef QT_NO_DESKTOPSERVICES - ret = QDesktopServices::openUrl(V8ENGINE()->toVariant(resolvedUrl(args), -1).toUrl()); -#endif - return V8ENGINE()->fromVariant(ret); -} - -/*! - \qmlmethod url Qt::resolvedUrl(url url) - Returns \a url resolved relative to the URL of the caller. -*/ -v8::Handle<v8::Value> resolvedUrl(const v8::Arguments &args) -{ - QUrl url = V8ENGINE()->toVariant(args[0], -1).toUrl(); - QDeclarativeEngine *e = V8ENGINE()->engine(); - QDeclarativeEnginePrivate *p = 0; - if (e) p = QDeclarativeEnginePrivate::get(e); - if (p) { - QDeclarativeContextData *ctxt = V8ENGINE()->callingContext(); - if (ctxt) - return V8ENGINE()->toString(ctxt->resolvedUrl(url).toString()); - else - return V8ENGINE()->toString(url.toString()); - } - - return V8ENGINE()->toString(e->baseUrl().resolved(url).toString()); -} - -/*! -\qmlmethod list<string> Qt::fontFamilies() -Returns a list of the font families available to the application. -*/ -v8::Handle<v8::Value> fontFamilies(const v8::Arguments &args) -{ - if (args.Length() != 0) - V8THROW_ERROR("Qt.fontFamilies(): Invalid arguments"); - - QFontDatabase database; - return V8ENGINE()->fromVariant(database.families()); -} - -/*! -\qmlmethod string Qt::md5(data) -Returns a hex string of the md5 hash of \c data. -*/ -v8::Handle<v8::Value> md5(const v8::Arguments &args) -{ - if (args.Length() != 1) - V8THROW_ERROR("Qt.md5(): Invalid arguments"); - - QByteArray data = V8ENGINE()->toString(args[0]->ToString()).toUtf8(); - QByteArray result = QCryptographicHash::hash(data, QCryptographicHash::Md5); - return V8ENGINE()->toString(QLatin1String(result.toHex())); -} - -/*! -\qmlmethod string Qt::btoa(data) -Binary to ASCII - this function returns a base64 encoding of \c data. -*/ -v8::Handle<v8::Value> btoa(const v8::Arguments &args) -{ - if (args.Length() != 1) - V8THROW_ERROR("Qt.btoa(): Invalid arguments"); - - QByteArray data = V8ENGINE()->toString(args[0]->ToString()).toUtf8(); - - return V8ENGINE()->toString(QLatin1String(data.toBase64())); -} - -/*! -\qmlmethod string Qt::atob(data) -ASCII to binary - this function returns a base64 decoding of \c data. -*/ -v8::Handle<v8::Value> atob(const v8::Arguments &args) -{ - if (args.Length() != 1) - V8THROW_ERROR("Qt.atob(): Invalid arguments"); - - QByteArray data = V8ENGINE()->toString(args[0]->ToString()).toUtf8(); - - return V8ENGINE()->toString(QLatin1String(QByteArray::fromBase64(data))); -} - -/*! -\qmlmethod Qt::quit() -This function causes the QDeclarativeEngine::quit() signal to be emitted. -Within the \l {QML Viewer}, this causes the launcher application to exit; -to quit a C++ application when this method is called, connect the -QDeclarativeEngine::quit() signal to the QCoreApplication::quit() slot. -*/ -v8::Handle<v8::Value> quit(const v8::Arguments &args) -{ - QDeclarativeEnginePrivate::get(V8ENGINE()->engine())->sendQuit(); - return v8::Undefined(); -} - -/*! -\qmlmethod object Qt::createQmlObject(string qml, object parent, string filepath) - -Returns a new object created from the given \a string of QML which will have the specified \a parent, -or \c null if there was an error in creating the object. - -If \a filepath is specified, it will be used for error reporting for the created object. - -Example (where \c parentItem is the id of an existing QML item): - -\snippet doc/src/snippets/declarative/createQmlObject.qml 0 - -In the case of an error, a QtScript Error object is thrown. This object has an additional property, -\c qmlErrors, which is an array of the errors encountered. -Each object in this array has the members \c lineNumber, \c columnNumber, \c fileName and \c message. -For example, if the above snippet had misspelled color as 'colro' then the array would contain an object like the following: -{ "lineNumber" : 1, "columnNumber" : 32, "fileName" : "dynamicSnippet1", "message" : "Cannot assign to non-existent property \"colro\""}. - -Note that this function returns immediately, and therefore may not work if -the \a qml string loads new components (that is, external QML files that have not yet been loaded). -If this is the case, consider using \l{QML:Qt::createComponent()}{Qt.createComponent()} instead. - -See \l {Dynamic Object Management in QML} for more information on using this function. -*/ -v8::Handle<v8::Value> createQmlObject(const v8::Arguments &args) -{ - if (args.Length() < 2 || args.Length() > 3) - V8THROW_ERROR("Qt.createQmlObject(): Invalid arguments"); - - struct Error { - static v8::Local<v8::Value> create(QV8Engine *engine, const QList<QDeclarativeError> &errors) { - QString errorstr = QLatin1String("Qt.createQmlObject(): failed to create object: "); - - v8::Local<v8::Array> qmlerrors = v8::Array::New(errors.count()); - for (int ii = 0; ii < errors.count(); ++ii) { - const QDeclarativeError &error = errors.at(ii); - errorstr += QLatin1String("\n ") + error.toString(); - v8::Local<v8::Object> qmlerror = v8::Object::New(); - qmlerror->Set(v8::String::New("lineNumber"), v8::Integer::New(error.line())); - qmlerror->Set(v8::String::New("columnNumber"), v8::Integer::New(error.column())); - qmlerror->Set(v8::String::New("fileName"), engine->toString(error.url().toString())); - qmlerror->Set(v8::String::New("message"), engine->toString(error.description())); - qmlerrors->Set(ii, qmlerror); - } - - v8::Local<v8::Value> error = v8::Exception::Error(engine->toString(errorstr)); - v8::Local<v8::Object> errorObject = error->ToObject(); - errorObject->Set(v8::String::New("qmlErrors"), qmlerrors); - return error; - } - }; - - QV8Engine *v8engine = V8ENGINE(); - QDeclarativeEngine *engine = v8engine->engine(); - - QDeclarativeContextData *context = v8engine->callingContext(); - QDeclarativeContext *effectiveContext = 0; - if (context->isPragmaLibraryContext) - effectiveContext = engine->rootContext(); - else - effectiveContext = context->asQDeclarativeContext(); - Q_ASSERT(context && effectiveContext); - - QString qml = v8engine->toString(args[0]->ToString()); - if (qml.isEmpty()) - return v8::Null(); - - QUrl url; - if (args.Length() > 2) - url = QUrl(v8engine->toString(args[2]->ToString())); - else - url = QUrl(QLatin1String("inline")); - - if (url.isValid() && url.isRelative()) - url = context->resolvedUrl(url); - - QObject *parentArg = v8engine->toQObject(args[1]); - if (!parentArg) - V8THROW_ERROR("Qt.createQmlObject(): Missing parent object"); - - QDeclarativeComponent component(engine); - component.setData(qml.toUtf8(), url); - - if (component.isError()) { - v8::ThrowException(Error::create(v8engine, component.errors())); - return v8::Undefined(); - } - - if (!component.isReady()) - V8THROW_ERROR("Qt.createQmlObject(): Component is not ready"); - - QObject *obj = component.beginCreate(effectiveContext); - if (obj) - QDeclarativeData::get(obj, true)->setImplicitDestructible(); - component.completeCreate(); - - if (component.isError()) { - v8::ThrowException(Error::create(v8engine, component.errors())); - return v8::Undefined(); - } - - Q_ASSERT(obj); - - obj->setParent(parentArg); - - QList<QDeclarativePrivate::AutoParentFunction> functions = QDeclarativeMetaType::parentFunctions(); - for (int ii = 0; ii < functions.count(); ++ii) { - if (QDeclarativePrivate::Parented == functions.at(ii)(obj, parentArg)) - break; - } - - return v8engine->newQObject(obj); -} - -/*! -\qmlmethod object Qt::createComponent(url) - -Returns a \l Component object created using the QML file at the specified \a url, -or \c null if an empty string was given. - -The returned component's \l Component::status property indicates whether the -component was successfully created. If the status is \c Component.Error, -see \l Component::errorString() for an error description. - -Call \l {Component::createObject()}{Component.createObject()} on the returned -component to create an object instance of the component. - -For example: - -\snippet doc/src/snippets/declarative/createComponent-simple.qml 0 - -See \l {Dynamic Object Management in QML} for more information on using this function. - -To create a QML object from an arbitrary string of QML (instead of a file), -use \l{QML:Qt::createQmlObject()}{Qt.createQmlObject()}. -*/ -v8::Handle<v8::Value> createComponent(const v8::Arguments &args) -{ - if (args.Length() != 1) - V8THROW_ERROR("Qt.createComponent(): Invalid arguments"); - - QV8Engine *v8engine = V8ENGINE(); - QDeclarativeEngine *engine = v8engine->engine(); - - QDeclarativeContextData *context = v8engine->callingContext(); - QDeclarativeContextData *effectiveContext = context; - if (context->isPragmaLibraryContext) - effectiveContext = 0; - Q_ASSERT(context); - - QString arg = v8engine->toString(args[0]->ToString()); - if (arg.isEmpty()) - return v8::Null(); - - QUrl url = context->resolvedUrl(QUrl(arg)); - QDeclarativeComponent *c = new QDeclarativeComponent(engine, url, engine); - QDeclarativeComponentPrivate::get(c)->creationContext = effectiveContext; - QDeclarativeData::get(c, true)->setImplicitDestructible(); - return v8engine->newQObject(c); -} - -v8::Handle<v8::Value> qsTranslate(const v8::Arguments &args) -{ - if (args.Length() < 2) - V8THROW_ERROR("qsTranslate() requires at least two arguments"); - if (!args[0]->IsString()) - V8THROW_ERROR("qsTranslate(): first argument (context) must be a string"); - if (!args[1]->IsString()) - V8THROW_ERROR("qsTranslate(): second argument (text) must be a string"); - if ((args.Length() > 2) && !args[2]->IsString()) - V8THROW_ERROR("qsTranslate(): third argument (comment) must be a string"); - if ((args.Length() > 3) && !args[3]->IsString()) - V8THROW_ERROR("qsTranslate(): fourth argument (encoding) must be a string"); - - QV8Engine *v8engine = V8ENGINE(); - QString context = v8engine->toString(args[0]); - QString text = v8engine->toString(args[1]); - QString comment; - if (args.Length() > 2) comment = v8engine->toString(args[2]); - - QCoreApplication::Encoding encoding = QCoreApplication::UnicodeUTF8; - if (args.Length() > 3) { - QString encStr = v8engine->toString(args[3]); - if (encStr == QLatin1String("CodecForTr")) { - encoding = QCoreApplication::CodecForTr; - } else if (encStr == QLatin1String("UnicodeUTF8")) { - encoding = QCoreApplication::UnicodeUTF8; - } else { - QString msg = QString::fromLatin1("qsTranslate(): invalid encoding '%0'").arg(encStr); - V8THROW_ERROR((uint16_t *)msg.constData()); - } - } - - int n = -1; - if (args.Length() > 4) - n = args[4]->Int32Value(); - - QString result = QCoreApplication::translate(context.toUtf8().constData(), - text.toUtf8().constData(), - comment.toUtf8().constData(), - encoding, n); - - return v8engine->toString(result); -} - -v8::Handle<v8::Value> qsTranslateNoOp(const v8::Arguments &args) -{ - if (args.Length() < 2) - return v8::Undefined(); - return args[1]; -} - -v8::Handle<v8::Value> qsTr(const v8::Arguments &args) -{ - if (args.Length() < 1) - V8THROW_ERROR("qsTr() requires at least one argument"); - if (!args[0]->IsString()) - V8THROW_ERROR("qsTr(): first argument (text) must be a string"); - if ((args.Length() > 1) && !args[1]->IsString()) - V8THROW_ERROR("qsTr(): second argument (comment) must be a string"); - if ((args.Length() > 2) && !args[2]->IsNumber()) - V8THROW_ERROR("qsTr(): third argument (n) must be a number"); - - QV8Engine *v8engine = V8ENGINE(); - QDeclarativeContextData *ctxt = v8engine->callingContext(); - - QString path = ctxt->url.toString(); - int lastSlash = path.lastIndexOf(QLatin1Char('/')); - QString context = (lastSlash > -1) ? path.mid(lastSlash + 1, path.length()-lastSlash-5) : QString(); - - QString text = v8engine->toString(args[0]); - QString comment; - if (args.Length() > 1) - comment = v8engine->toString(args[1]); - int n = -1; - if (args.Length() > 2) - n = args[2]->Int32Value(); - - QString result = QCoreApplication::translate(context.toUtf8().constData(), text.toUtf8().constData(), - comment.toUtf8().constData(), QCoreApplication::UnicodeUTF8, n); - - return v8engine->toString(result); -} - -v8::Handle<v8::Value> qsTrNoOp(const v8::Arguments &args) -{ - if (args.Length() < 1) - return v8::Undefined(); - return args[0]; -} - -v8::Handle<v8::Value> qsTrId(const v8::Arguments &args) -{ - if (args.Length() < 1) - V8THROW_ERROR("qsTrId() requires at least one argument"); - if (!args[0]->IsString()) - V8THROW_TYPE("qsTrId(): first argument (id) must be a string"); - if (args.Length() > 1 && !args[1]->IsNumber()) - V8THROW_TYPE("qsTrId(): second argument (n) must be a number"); - - int n = -1; - if (args.Length() > 1) - n = args[1]->Int32Value(); - - QV8Engine *v8engine = V8ENGINE(); - return v8engine->toString(qtTrId(v8engine->toString(args[0]).toUtf8().constData(), n)); -} - -v8::Handle<v8::Value> qsTrIdNoOp(const v8::Arguments &args) -{ - if (args.Length() < 1) - return v8::Undefined(); - return args[0]; -} - - -/*! - \qmlmethod Qt::locale(name) - - Returns a JS object representing the locale with the specified - name, which has the format "language[_territory][.codeset][@modifier]" - or "C", where: - - \list - \o language is a lowercase, two-letter, ISO 639 language code, - \o territory is an uppercase, two-letter, ISO 3166 country code, - \o and codeset and modifier are ignored. - \endlist - - If the string violates the locale format, or language is not a - valid ISO 369 code, the "C" locale is used instead. If country - is not present, or is not a valid ISO 3166 code, the most - appropriate country is chosen for the specified language. - - \sa QtQuick2::Locale -*/ -v8::Handle<v8::Value> locale(const v8::Arguments &args) -{ - QString code; - if (args.Length() > 1) - V8THROW_ERROR("locale() requires 0 or 1 argument"); - if (args.Length() == 1 && !args[0]->IsString()) - V8THROW_TYPE("locale(): argument (locale code) must be a string"); - - QV8Engine *v8engine = V8ENGINE(); - if (args.Length() == 1) - code = v8engine->toString(args[0]); - - return QDeclarativeLocale::locale(v8engine, code); -} - -} // namespace QDeclarativeBuiltinFunctions - -QT_END_NAMESPACE |