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--- evince-3.21.92/browser-plugin/EvBrowserPluginMain.cpp
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+++ evince-3.21.92/browser-plugin/EvBrowserPluginMain.cpp
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@@ -38,11 +38,40 @@ static EvBrowserPlugin *pluginForInstanc
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return static_cast<EvBrowserPlugin *>(instance->pdata);
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}
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+static gboolean gtkToolkitIsCompatible(NPP instance)
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+{
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+ NPNToolkitType toolkit_type = NPNVGtk12;
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+ NPError error;
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+
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+ error = browser->getvalue(instance, NPNVToolkit, &toolkit_type);
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+
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+ if (error == NPERR_NO_ERROR &&
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+ (toolkit_type == NPNVGtk12 ||
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+ toolkit_type == NPNVGtk2))
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+ return FALSE;
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+ else
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+ return TRUE;
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+}
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+
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NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16_t mode, int16_t argc, char *argn[], char *argv[], NPSavedData *savedData)
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{
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if (!instance)
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return NPERR_INVALID_INSTANCE_ERROR;
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+ if (!gtkToolkitIsCompatible(instance))
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+ return NPERR_GENERIC_ERROR;
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+
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+ GBytes *resourceData = g_resources_lookup_data("/org/gnome/evince/browser/ui/evince-browser.css", G_RESOURCE_LOOKUP_FLAGS_NONE, nullptr);
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+ if (resourceData) {
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+ GtkCssProvider *cssProvider = gtk_css_provider_new();
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+
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+ gtk_css_provider_load_from_data(cssProvider, static_cast<const gchar *>(g_bytes_get_data(resourceData, nullptr)), g_bytes_get_size(resourceData), nullptr);
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+ g_bytes_unref(resourceData);
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+
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+ gtk_style_context_add_provider_for_screen(gdk_screen_get_default(), GTK_STYLE_PROVIDER(cssProvider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
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+ g_object_unref(cssProvider);
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+ }
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+
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return EvBrowserPlugin::create(instance)->initialize(pluginType, mode, argc, argn, argv, savedData);
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}
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@@ -197,6 +226,11 @@ NPError NP_Initialize(NPNetscapeFuncs *b
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if ((browserFuncs->version >> 8) > NP_VERSION_MAJOR)
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return NPERR_INCOMPATIBLE_VERSION_ERROR;
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+ browser = browserFuncs;
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+
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+ if (!gtkToolkitIsCompatible(NULL))
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+ return NPERR_GENERIC_ERROR;
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+
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if (!ev_init())
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return NPERR_GENERIC_ERROR;
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@@ -207,20 +241,8 @@ NPError NP_Initialize(NPNetscapeFuncs *b
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return NPERR_GENERIC_ERROR;
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#endif
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- browser = browserFuncs;
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initializePluginFuncs(pluginFuncs);
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- GBytes *resourceData = g_resources_lookup_data("/org/gnome/evince/browser/ui/evince-browser.css", G_RESOURCE_LOOKUP_FLAGS_NONE, nullptr);
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- if (resourceData) {
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- GtkCssProvider *cssProvider = gtk_css_provider_new();
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-
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- gtk_css_provider_load_from_data(cssProvider, static_cast<const gchar *>(g_bytes_get_data(resourceData, nullptr)), g_bytes_get_size(resourceData), nullptr);
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- g_bytes_unref(resourceData);
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-
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- gtk_style_context_add_provider_for_screen(gdk_screen_get_default(), GTK_STYLE_PROVIDER(cssProvider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
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- g_object_unref(cssProvider);
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- }
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-
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return NPERR_NO_ERROR;
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}
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