--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/plugins/qt/PluginPackageQt.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
+ * Copyright (C) 2008 Collabora Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "PluginPackage.h"
+
+#include "MIMETypeRegistry.h"
+#include "npruntime_impl.h"
+#include "PluginDatabase.h"
+#include "PluginDebug.h"
+#include <wtf/text/CString.h>
+
+namespace WebCore {
+
+typedef void gtkInitFunc(int *argc, char ***argv);
+
+bool PluginPackage::fetchInfo()
+{
+ if (!load())
+ return false;
+
+ NPP_GetValueProcPtr gv = (NPP_GetValueProcPtr)m_module->resolve("NP_GetValue");
+ typedef char *(*NPP_GetMIMEDescriptionProcPtr)();
+ NPP_GetMIMEDescriptionProcPtr gm =
+ (NPP_GetMIMEDescriptionProcPtr)m_module->resolve("NP_GetMIMEDescription");
+ if (!gm || !gv)
+ return false;
+
+ char *buf = 0;
+ NPError err = gv(0, NPPVpluginNameString, (void*) &buf);
+ if (err != NPERR_NO_ERROR)
+ return false;
+
+ m_name = buf;
+ err = gv(0, NPPVpluginDescriptionString, (void*) &buf);
+ if (err != NPERR_NO_ERROR)
+ return false;
+
+ m_description = buf;
+ determineModuleVersionFromDescription();
+
+ String s = gm();
+ Vector<String> types;
+ s.split(UChar(';'), false, types);
+ for (unsigned i = 0; i < types.size(); ++i) {
+ Vector<String> mime;
+ types[i].split(UChar(':'), true, mime);
+ if (mime.size() > 0) {
+ Vector<String> exts;
+ if (mime.size() > 1)
+ mime[1].split(UChar(','), false, exts);
+ determineQuirks(mime[0]);
+ m_mimeToExtensions.add(mime[0], exts);
+ if (mime.size() > 2)
+ m_mimeToDescriptions.add(mime[0], mime[2]);
+ }
+ }
+
+ return true;
+}
+
+static NPError staticPluginQuirkRequiresGtkToolKit_NPN_GetValue(NPP instance, NPNVariable variable, void* value)
+{
+ if (variable == NPNVToolkit) {
+ *static_cast<uint32_t*>(value) = 2;
+ return NPERR_NO_ERROR;
+ }
+
+ return NPN_GetValue(instance, variable, value);
+}
+
+bool PluginPackage::load()
+{
+ if (m_isLoaded) {
+ m_loadCount++;
+ return true;
+ }
+
+ m_module = new QLibrary((QString)m_path);
+ m_module->setLoadHints(QLibrary::ResolveAllSymbolsHint);
+ if (!m_module->load()) {
+ LOG(Plugins, "%s not loaded (%s)", m_path.utf8().data(),
+ m_module->errorString().toLatin1().constData());
+ return false;
+ }
+
+ m_isLoaded = true;
+
+ NP_InitializeFuncPtr NP_Initialize;
+ NPError npErr;
+ gtkInitFunc* gtkInit;
+
+ NP_Initialize = (NP_InitializeFuncPtr)m_module->resolve("NP_Initialize");
+ m_NPP_Shutdown = (NPP_ShutdownProcPtr)m_module->resolve("NP_Shutdown");
+
+ if (!NP_Initialize || !m_NPP_Shutdown)
+ goto abort;
+
+ memset(&m_pluginFuncs, 0, sizeof(m_pluginFuncs));
+ m_pluginFuncs.size = sizeof(m_pluginFuncs);
+
+ initializeBrowserFuncs();
+
+ if (m_path.contains("npwrapper.")) {
+ // nspluginwrapper relies on the toolkit value to know if glib is available
+ // It does so in NP_Initialize with a null instance, therefore it is done this way:
+ m_browserFuncs.getvalue = staticPluginQuirkRequiresGtkToolKit_NPN_GetValue;
+ }
+
+ // WORKAROUND: Prevent gtk based plugin crashes such as BR# 40567 by
+ // explicitly forcing the initializing of Gtk, i.e. calling gtk_init,
+ // whenver the symbol is present in the plugin library loaded above.
+ // Note that this workaround is based on code from the NSPluginClass ctor
+ // in KDE's kdebase/apps/nsplugins/viewer/nsplugin.cpp file.
+ gtkInit = (gtkInitFunc*)m_module->resolve("gtk_init");
+ if (gtkInit) {
+ // Prevent gtk_init() from replacing the X error handlers, since the Gtk
+ // handlers abort when they receive an X error, thus killing the viewer.
+#ifdef Q_WS_X11
+ int (*old_error_handler)(Display*, XErrorEvent*) = XSetErrorHandler(0);
+ int (*old_io_error_handler)(Display*) = XSetIOErrorHandler(0);
+#endif
+ gtkInit(0, 0);
+#ifdef Q_WS_X11
+ XSetErrorHandler(old_error_handler);
+ XSetIOErrorHandler(old_io_error_handler);
+#endif
+ }
+
+#if defined(XP_UNIX)
+ npErr = NP_Initialize(&m_browserFuncs, &m_pluginFuncs);
+#else
+ npErr = NP_Initialize(&m_browserFuncs);
+#endif
+ if (npErr != NPERR_NO_ERROR)
+ goto abort;
+
+ m_loadCount++;
+ return true;
+
+abort:
+ unloadWithoutShutdown();
+ return false;
+}
+
+uint16_t PluginPackage::NPVersion() const
+{
+ return NP_VERSION_MINOR;
+}
+}