forked from LeenkxTeam/LNXRNT
Webview
This commit is contained in:
Gorochu
362
Sources/webview_linux.cpp
Normal file
362
Sources/webview_linux.cpp
Normal file
@ -0,0 +1,362 @@
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#ifdef WITH_WEBVIEW
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#ifdef KINC_LINUX
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#include "webview.h"
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#include <kinc/log.h>
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#include <kinc/window.h>
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#include <gtk/gtk.h>
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#include <webkit2/webkit2.h>
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struct LinuxWebViewState {
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WebKitWebView* webView;
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GtkWidget* detachedWindow;
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bool isDetached;
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gulong closeHandlerId;
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gulong messageHandlerId;
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gulong loadHandlerId;
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int webviewId;
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};
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static bool g_gtkInitialized = false;
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static void ensureGtkInit() {
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if (g_gtkInitialized) return;
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if (!gtk_init_check(nullptr, nullptr)) {
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kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to initialize webview for GTK");
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return;
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}
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g_gtkInitialized = true;
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}
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static void onMessageReceived(WebKitUserContentManager* manager,
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WebKitJavascriptResult* result, gpointer userData) {
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auto* state = (LinuxWebViewState*)userData;
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JSCValue* value = webkit_javascript_result_get_js_value(result);
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if (jsc_value_is_string(value)) {
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char* str = jsc_value_to_string(value);
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WebViewManager::instance().dispatchMessage(state->webviewId, std::string(str));
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g_free(str);
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} else {
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char* str = jsc_value_to_string(value);
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WebViewManager::instance().dispatchMessage(state->webviewId, std::string(str));
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g_free(str);
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}
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}
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static void onLoadChanged(WebKitWebView* webView, WebKitLoadEvent loadEvent,
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gpointer userData) {
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auto* state = (LinuxWebViewState*)userData;
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if (loadEvent == WEBKIT_LOAD_FINISHED) {
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WebViewManager::instance().dispatchLoad(state->webviewId);
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}
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}
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static gboolean onDetachedClose(GtkWidget* widget, GdkEvent* event, gpointer userData) {
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auto* state = (LinuxWebViewState*)userData;
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WebViewManager::instance().dispatchClose(state->webviewId);
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gtk_widget_hide(widget);
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return TRUE;
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}
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int platformCreate(WebViewInstance* wv) {
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ensureGtkInit();
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if (!g_gtkInitialized) {
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kinc_log(KINC_LOG_LEVEL_ERROR, "GTK WebView not initialized");
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return -1;
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}
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auto* state = new LinuxWebViewState();
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state->webView = nullptr;
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state->detachedWindow = nullptr;
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state->isDetached = (wv->parentWindow < 0);
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state->webviewId = wv->id;
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wv->platformHandle = state;
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state->webView = WEBKIT_WEB_VIEW(webkit_web_view_new());
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if (wv->transparent) {
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GdkRGBA rgba = {0.0, 0.0, 0.0, 0.0};
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webkit_web_view_set_background_color(state->webView, &rgba);
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}
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WebKitUserContentManager* contentManager =
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webkit_web_view_get_user_content_manager(state->webView);
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webkit_user_content_manager_register_script_message_handler(contentManager, "lnxrnt");
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state->messageHandlerId = g_signal_connect(contentManager, "script-message-received::lnxrnt",
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G_CALLBACK(onMessageReceived), state);
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state->loadHandlerId = g_signal_connect(state->webView, "load-changed",
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G_CALLBACK(onLoadChanged), state);
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if (state->isDetached) {
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state->detachedWindow = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title(GTK_WINDOW(state->detachedWindow), wv->title.c_str());
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gtk_window_set_default_size(GTK_WINDOW(state->detachedWindow), wv->width, wv->height);
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gtk_window_move(GTK_WINDOW(state->detachedWindow), wv->x, wv->y);
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GtkWidget* scrolledWindow = gtk_scrolled_window_new(nullptr, nullptr);
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gtk_container_add(GTK_CONTAINER(scrolledWindow), GTK_WIDGET(state->webView));
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gtk_container_add(GTK_CONTAINER(state->detachedWindow), scrolledWindow);
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state->closeHandlerId = g_signal_connect(state->detachedWindow, "delete-event",
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G_CALLBACK(onDetachedClose), state);
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} else {
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state->detachedWindow = gtk_window_new(GTK_WINDOW_POPUP);
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gtk_window_set_decorated(GTK_WINDOW(state->detachedWindow), FALSE);
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gtk_window_set_default_size(GTK_WINDOW(state->detachedWindow), wv->width, wv->height);
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gtk_window_move(GTK_WINDOW(state->detachedWindow), wv->x, wv->y);
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GtkWidget* scrolledWindow = gtk_scrolled_window_new(nullptr, nullptr);
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gtk_container_add(GTK_CONTAINER(scrolledWindow), GTK_WIDGET(state->webView));
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gtk_container_add(GTK_CONTAINER(state->detachedWindow), scrolledWindow);
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}
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return wv->id;
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}
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void platformDestroy(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state) return;
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if (state->messageHandlerId) {
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WebKitUserContentManager* cm = webkit_web_view_get_user_content_manager(state->webView);
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g_signal_handler_disconnect(cm, state->messageHandlerId);
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}
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if (state->loadHandlerId) {
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g_signal_handler_disconnect(state->webView, state->loadHandlerId);
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}
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if (state->closeHandlerId && state->detachedWindow) {
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g_signal_handler_disconnect(state->detachedWindow, state->closeHandlerId);
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}
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if (state->detachedWindow) {
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gtk_widget_destroy(state->detachedWindow);
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}
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delete state;
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wv->platformHandle = nullptr;
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}
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void platformLoadHTML(WebViewInstance* wv, const std::string& html) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return;
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webkit_web_view_load_html(state->webView, html.c_str(), nullptr);
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}
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void platformLoadURL(WebViewInstance* wv, const std::string& url) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return;
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webkit_web_view_load_uri(state->webView, url.c_str());
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}
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void platformEvalJS(WebViewInstance* wv, const std::string& js) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return;
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webkit_web_view_evaluate_javascript(state->webView, js.c_str(), -1, nullptr, nullptr, nullptr, nullptr, nullptr);
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}
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static void platformEvalJSAsyncCallback(GObject* source, GAsyncResult* res, gpointer user_data) {
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int webviewId = (int)(intptr_t)user_data;
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WebKitJavascriptResult* jsResult = webkit_web_view_evaluate_javascript_finish(WEBKIT_WEB_VIEW(source), res, nullptr);
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std::string resultStr = "null";
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if (jsResult) {
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JSCValue* value = webkit_javascript_result_get_js_value(jsResult);
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if (value && !jsc_value_is_undefined(value) && !jsc_value_is_null(value)) {
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JSCValue* jsonStr = jsc_value_to_string(value);
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gchar* str = (gchar*)jsc_value_to_string(jsonStr);
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if (str) {
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resultStr = std::string(str);
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g_free(str);
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}
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g_object_unref(jsonStr);
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}
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webkit_javascript_result_unref(jsResult);
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}
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WebViewManager::instance().dispatchEvalResult(webviewId, resultStr);
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}
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void platformEvalJSAsync(WebViewInstance* wv, const std::string& js) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return;
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webkit_web_view_evaluate_javascript(state->webView, js.c_str(), -1, nullptr, nullptr,
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(GAsyncReadyCallback)platformEvalJSAsyncCallback, (gpointer)(intptr_t)wv->id);
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}
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void platformShow(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state) return;
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if (state->detachedWindow) {
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gtk_widget_show_all(state->detachedWindow);
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}
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}
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void platformHide(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state) return;
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if (state->detachedWindow) {
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gtk_widget_hide(state->detachedWindow);
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}
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}
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void platformResize(WebViewInstance* wv, int width, int height) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->detachedWindow) return;
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gtk_window_resize(GTK_WINDOW(state->detachedWindow), width, height);
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}
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void platformMove(WebViewInstance* wv, int x, int y) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->detachedWindow) return;
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gtk_window_move(GTK_WINDOW(state->detachedWindow), x, y);
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}
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void platformSetTransparent(WebViewInstance* wv, bool transparent) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return;
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if (transparent) {
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GdkRGBA rgba = {0.0, 0.0, 0.0, 0.0};
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webkit_web_view_set_background_color(state->webView, &rgba);
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} else {
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GdkRGBA rgba = {1.0, 1.0, 1.0, 1.0};
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webkit_web_view_set_background_color(state->webView, &rgba);
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}
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}
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void platformSetClickThrough(WebViewInstance* wv, bool enabled) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return;
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const char* js = enabled
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? "document.body.style.pointerEvents = 'none';"
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: "document.body.style.pointerEvents = 'auto';";
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webkit_web_view_evaluate_javascript(state->webView, js, -1, nullptr, nullptr, nullptr, nullptr, nullptr);
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}
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void platformSetTitle(WebViewInstance* wv, const std::string& title) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->isDetached || !state->detachedWindow) return;
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gtk_window_set_title(GTK_WINDOW(state->detachedWindow), title.c_str());
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}
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void platformSend(WebViewInstance* wv, const std::string& message) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return;
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std::string escaped;
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for (size_t i = 0; i < message.size(); i++) {
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char c = message[i];
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switch (c) {
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case '\\': escaped += "\\\\"; break;
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case '\'': escaped += "\\'"; break;
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case '\n': escaped += "\\n"; break;
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case '\r': escaped += "\\r"; break;
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default: escaped += c; break;
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}
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}
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std::string js = "if(window.__lnxrntOnMessage)window.__lnxrntOnMessage('" + escaped + "');";
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webkit_web_view_evaluate_javascript(state->webView, js.c_str(), -1, nullptr, nullptr, nullptr, nullptr, nullptr);
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}
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void platformGoBack(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return;
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webkit_web_view_go_back(state->webView);
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}
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void platformGoForward(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return;
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webkit_web_view_go_forward(state->webView);
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}
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void platformReload(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return;
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webkit_web_view_reload(state->webView);
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}
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bool platformCanGoBack(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return false;
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return webkit_web_view_can_go_back(state->webView);
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}
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bool platformCanGoForward(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return false;
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return webkit_web_view_can_go_forward(state->webView);
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}
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std::string platformGetURL(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return "";
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const gchar* uri = webkit_web_view_get_uri(state->webView);
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return uri ? std::string(uri) : "";
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}
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std::string platformGetTitle(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return "";
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const gchar* title = webkit_web_view_get_title(state->webView);
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return title ? std::string(title) : "";
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}
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void platformMinimize(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->isDetached || !state->detachedWindow) return;
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gtk_window_iconify(GTK_WINDOW(state->detachedWindow));
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}
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void platformMaximize(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->isDetached || !state->detachedWindow) return;
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gtk_window_maximize(GTK_WINDOW(state->detachedWindow));
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}
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void platformRestore(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->isDetached || !state->detachedWindow) return;
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gtk_window_unmaximize(GTK_WINDOW(state->detachedWindow));
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gtk_window_deiconify(GTK_WINDOW(state->detachedWindow));
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}
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void platformSetFullscreen(WebViewInstance* wv, bool fullscreen) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->isDetached || !state->detachedWindow) return;
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if (fullscreen) {
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gtk_window_fullscreen(GTK_WINDOW(state->detachedWindow));
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} else {
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gtk_window_unfullscreen(GTK_WINDOW(state->detachedWindow));
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}
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}
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bool platformIsFullscreen(WebViewInstance* wv) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->isDetached || !state->detachedWindow) return false;
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GdkWindow* gdkWin = gtk_widget_get_window(state->detachedWindow);
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if (!gdkWin) return false;
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GdkWindowState state2 = gdk_window_get_state(gdkWin);
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return (state2 & GDK_WINDOW_STATE_FULLSCREEN) != 0;
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}
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void platformEnableDevTools(WebViewInstance* wv, bool enabled) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return;
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WebKitSettings* settings = webkit_web_view_get_settings(state->webView);
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webkit_settings_set_enable_developer_extras(settings, enabled);
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}
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void platformSetContextMenuEnabled(WebViewInstance* wv, bool enabled) {
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auto* state = (LinuxWebViewState*)wv->platformHandle;
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if (!state || !state->webView) return;
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WebKitSettings* settings = webkit_web_view_get_settings(state->webView);
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webkit_settings_set_enable_context_menu(settings, enabled);
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}
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void platformTick() {
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if (!g_gtkInitialized) return;
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while (gtk_events_pending()) {
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gtk_main_iteration_do(FALSE);
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}
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}
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#endif
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#endif
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Block a user