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jardenliujardenliu
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Added QWebChannel
1 parent 431611b commit 361a873

11 files changed

Lines changed: 195 additions & 6 deletions

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‎CMakeLists.txt‎

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@@ -22,6 +22,8 @@ add_library(${PLUGIN_ADDON_NAME} SHARED
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"${PROJECT_SOURCE_DIR}/src/cpp/QWebEngineView/nwebengineview.hpp"
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"${PROJECT_SOURCE_DIR}/src/cpp/QWebEngineSettings/qwebenginesettings_wrap.cpp"
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"${PROJECT_SOURCE_DIR}/src/cpp/QWebEnginePage/qwebenginepage_wrap.cpp"
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"${PROJECT_SOURCE_DIR}/src/cpp/QWebChannel/qwebchannel_wrap.cpp"
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"${PROJECT_SOURCE_DIR}/src/cpp/QWebChannel/nwebchannel.hpp"
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)
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AddQtWebSupport(${PLUGIN_ADDON_NAME})

‎src/cpp/QWebChannel/nwebchannel.hpp‎

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#pragma once
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#include <nodegui/core/NodeWidget/nodewidget.h>
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#include <QtWebChannel/QWebChannel>
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#include "nodegui/core/Events/eventwidget.h"
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#include "nodegui/core/Events/eventwidget_macro.h"
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class DLL_EXPORT NWebChannel : public QWebChannel, public EventWidget {
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Q_OBJECT
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EVENTWIDGET_IMPLEMENTATIONS(QWebChannel)
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public:
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using QWebChannel::QWebChannel;
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void connectSignalsToEventEmitter() { }
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};

‎src/cpp/QWebChannel/qwebchannel_wrap.cpp‎

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#include "qwebchannel_wrap.h"
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#include <QDebug>
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#include <QObject>
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#include <QWebChannel>
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#include "nodegui/Extras/Utils/nutils.h"
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#include "nodegui/QtCore/QObject/qobject_wrap.h"
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Napi::FunctionReference QWebChannelWrap::constructor;
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Napi::Object QWebChannelWrap::init(Napi::Env env, Napi::Object exports) {
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Napi::HandleScope scope(env);
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char CLASSNAME[] = "QWebChannel";
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Napi::Function func = DefineClass(
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env, CLASSNAME,
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{InstanceMethod("registerObject", &QWebChannelWrap::registerObject),
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InstanceMethod("deregisterObject", &QWebChannelWrap::deregisterObject),
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COMPONENT_WRAPPED_METHODS_EXPORT_DEFINE(QWebChannelWrap)});
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constructor = Napi::Persistent(func);
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exports.Set(CLASSNAME, func);
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return exports;
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}
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QWebChannelWrap::QWebChannelWrap(const Napi::CallbackInfo& info)
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: Napi::ObjectWrap<QWebChannelWrap>(info) {
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Napi::Env env = info.Env();
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Napi::HandleScope scope(env);
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if (info[0].IsExternal()) {
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this->instance = info[0].As<Napi::External<NWebChannel>>().Data();
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} else if (info.Length() == 1) {
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Napi::Object parentObject = info[0].As<Napi::Object>();
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QObjectWrap* parentWrap =
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Napi::ObjectWrap<QObjectWrap>::Unwrap(parentObject);
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this->instance = new NWebChannel(parentWrap->getInternalInstance());
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} else if (info.Length() == 0) {
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this->instance = new NWebChannel();
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} else {
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Napi::TypeError::New(env, "Incorrect initialization of QWebChannelWrap")
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.ThrowAsJavaScriptException();
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}
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this->rawData = extrautils::configureComponent(this->getInternalInstance());
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}
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QWebChannelWrap::~QWebChannelWrap() { extrautils::safeDelete(this->instance); }
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NWebChannel* QWebChannelWrap::getInternalInstance() { return this->instance; }
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Napi::Value QWebChannelWrap::registerObject(const Napi::CallbackInfo& info) {
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Napi::Env env = info.Env();
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Napi::HandleScope scope(env);
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Napi::String napiName = info[0].As<Napi::String>();
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std::string name = napiName.Utf8Value();
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Napi::Object napiObject = info[1].As<Napi::Object>();
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QObjectWrap* objectWrap = Napi::ObjectWrap<QObjectWrap>::Unwrap(napiObject);
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this->instance->registerObject(QString::fromUtf8(name.c_str()),
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objectWrap->getInternalInstance());
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return env.Null();
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}
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Napi::Value QWebChannelWrap::deregisterObject(const Napi::CallbackInfo& info) {
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Napi::Env env = info.Env();
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Napi::HandleScope scope(env);
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Napi::Object napiObject = info[0].As<Napi::Object>();
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QObjectWrap* objectWrap = Napi::ObjectWrap<QObjectWrap>::Unwrap(napiObject);
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this->instance->deregisterObject(objectWrap->getInternalInstance());
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return env.Null();
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}

‎src/cpp/QWebChannel/qwebchannel_wrap.h‎

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#pragma once
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#include <napi.h>
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#include <nodegui/Extras/Export/export.h>
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#include <QPointer>
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#include "QtCore/QObject/qobject_macro.h"
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#include "nwebchannel.hpp"
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class DLL_EXPORT QWebChannelWrap : public Napi::ObjectWrap<QWebChannelWrap> {
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QOBJECT_WRAPPED_METHODS_DECLARATION
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private:
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QPointer<NWebChannel> instance;
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public:
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static Napi::FunctionReference constructor;
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static Napi::Object init(Napi::Env env, Napi::Object exports);
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QWebChannelWrap(const Napi::CallbackInfo& info);
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~QWebChannelWrap();
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NWebChannel* getInternalInstance();
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// Wrapped methods
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Napi::Value registerObject(const Napi::CallbackInfo& info);
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Napi::Value deregisterObject(const Napi::CallbackInfo& info);
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};

‎src/cpp/QWebEnginePage/qwebenginepage_wrap.cpp‎

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@@ -1,6 +1,7 @@
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#include "qwebenginepage_wrap.h"
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#include "Extras/Utils/nutils.h"
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#include "src/cpp/QWebChannel/qwebchannel_wrap.h"
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Napi::FunctionReference QWebEnginePageWrap::constructor;
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@@ -9,7 +10,9 @@ Napi::Object QWebEnginePageWrap::init(Napi::Env env, Napi::Object exports) {
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char CLASSNAME[] = "QWebEnginePage";
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Napi::Function func = DefineClass(
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env, CLASSNAME,
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{InstanceMethod("runJavaScript", &QWebEnginePageWrap::runJavaScript),
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{InstanceMethod("setWebChannel", &QWebEnginePageWrap::setWebChannel),
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InstanceMethod("webChannel", &QWebEnginePageWrap::webChannel),
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InstanceMethod("runJavaScript", &QWebEnginePageWrap::runJavaScript),
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COMPONENT_WRAPPED_METHODS_EXPORT_DEFINE(QWebEnginePageWrap)});
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constructor = Napi::Persistent(func);
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exports.Set(CLASSNAME, func);
@@ -43,3 +46,24 @@ Napi::Value QWebEnginePageWrap::runJavaScript(const Napi::CallbackInfo& info) {
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this->instance->runJavaScript(QString::fromUtf8(script.c_str()));
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return env.Null();
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}
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Napi::Value QWebEnginePageWrap::setWebChannel(const Napi::CallbackInfo& info) {
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Napi::Env env = info.Env();
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Napi::HandleScope scope(env);
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Napi::Object channel = info[0].As<Napi::Object>();
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QWebChannelWrap* channelWrap =
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Napi::ObjectWrap<QWebChannelWrap>::Unwrap(channel);
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this->instance->setWebChannel(channelWrap->getInternalInstance());
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return env.Null();
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}
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Napi::Value QWebEnginePageWrap::webChannel(const Napi::CallbackInfo& info) {
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Napi::Env env = info.Env();
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Napi::HandleScope scope(env);
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QWebChannel* webChannel = this->instance->webChannel();
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return QWebChannelWrap::constructor.New(
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{Napi::External<QWebChannel>::New(env, webChannel)});
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}

‎src/cpp/QWebEnginePage/qwebenginepage_wrap.h‎

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@@ -17,4 +17,6 @@ class QWebEnginePageWrap : public Napi::ObjectWrap<QWebEnginePageWrap> {
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QWebEnginePage* getInternalInstance();
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// Wrapped methods
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Napi::Value runJavaScript(const Napi::CallbackInfo& info);
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Napi::Value setWebChannel(const Napi::CallbackInfo& info);
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Napi::Value webChannel(const Napi::CallbackInfo& info);
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};

‎src/cpp/main.cpp‎

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@@ -3,11 +3,13 @@
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#include "src/cpp/QWebEngineSettings/qwebenginesettings_wrap.h"
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#include "src/cpp/QWebEnginePage/qwebenginepage_wrap.h"
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#include "src/cpp/QWebEngineView/qwebengineview_wrap.h"
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#include "src/cpp/QWebChannel/qwebchannel_wrap.h"
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Napi::Object Main(Napi::Env env, Napi::Object exports) {
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QWebEngineViewWrap::init(env, exports);
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QWebEngineSettingsWrap::init(env, exports);
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QWebEnginePageWrap::init(env, exports);
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QWebChannelWrap::init(env, exports);
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return exports;
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}
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‎src/demo.ts‎

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@@ -1,4 +1,4 @@
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import { QWebEngineView } from "./index";
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import { QWebEngineView, QWebChannel } from "./index";
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// import {
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// QMainWindow,
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// QWidget,
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const webview = new QWebEngineView();
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webview.setInlineStyle("align-self:'stretch';");
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webview.load("http://google.com");
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webview.addEventListener("urlChanged", url => {
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webview.addEventListener("urlChanged", (url) => {
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console.log("changed to", url);
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});
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webview.addEventListener("selectionChanged", () => {
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console.log("selection", webview.property("selectedText").toString());
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});
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webview.addEventListener("loadFinished", () => {
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const js = `document.querySelector('input[name=q]').value = 'nodegui';`;
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const js = `alert('nodeui');`;
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const page = webview.page();
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page.runJavaScript(js);
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});
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const channel = new QWebChannel();
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webview.page().setWebChannel(channel);
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webview.show();
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(global as any).wv = webview;
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‎src/index.ts‎

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import "../build/Release/nodegui_plugin_webview_init.node";
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export { QWebEngineView, QWebEngineViewSignals } from "./lib/QWebEngineView";
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export { QWebChannel } from "./lib/QWebChannel";
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export {
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QWebEngineSettings,
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UnknownUrlSchemePolicy

‎src/lib/QWebChannel.ts‎

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import {
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QObject,
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Component,
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NativeElement,
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checkIfNativeElement,
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} from "@nodegui/nodegui";
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import addon from "./utils/addon";
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export class QWebChannel extends Component {
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native: NativeElement;
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constructor(arg?: NativeElement | QObject) {
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super();
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if (checkIfNativeElement(arg)) {
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this.native = arg as NativeElement;
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} else if (arg instanceof QObject) {
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this.native = new addon.QWebChannel(arg.native);
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} else if (!arg) {
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this.native = new addon.QWebChannel(new QObject().native);
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} else {
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throw new Error(
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"QWebChannel cannot be initialised this way. Use webengineview.settings()"
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);
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}
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}
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registerObject(name: string, obj: QObject): void {
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this.native.registerObject(name, obj.native);
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}
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deregisterObject(obj: QObject): void {
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this.native.deregisterObject(obj.native);
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}
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}

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