diff options
Diffstat (limited to 'WebCore/plugins/gtk/PluginPackageGtk.cpp')
| -rw-r--r-- | WebCore/plugins/gtk/PluginPackageGtk.cpp | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/WebCore/plugins/gtk/PluginPackageGtk.cpp b/WebCore/plugins/gtk/PluginPackageGtk.cpp new file mode 100644 index 0000000..5a097b2 --- /dev/null +++ b/WebCore/plugins/gtk/PluginPackageGtk.cpp @@ -0,0 +1,284 @@ +/* + * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. + * Copyright (C) 2008 Collabora Ltd. All rights reserved. + * Copyright (C) 2008 Nuanti Ltd. + * Copyright (C) 2008 Novell Inc. 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 "CString.h" +#include "MIMETypeRegistry.h" +#include "NotImplemented.h" +#include "npruntime_impl.h" +#include "PluginDebug.h" + +namespace WebCore { + +static PlatformModuleVersion getModuleVersion(const char *description) +{ + // It's a bit lame to detect the plugin version by parsing it + // from the plugin description string, but it doesn't seem that + // version information is available in any standardized way at + // the module level, like in Windows + + PlatformModuleVersion version = 0; + + if (!description) + return 0; + + if (g_str_has_prefix(description, "Shockwave Flash ") && strlen(description) >= 19) { + // The flash version as a PlatformModuleVersion differs in GTK from Windows + // since the revision can be larger than a 8 bits, so we allow it 16 here and + // push the major/minor up 8 bits. Thus in GTK, Flash's version may be + // 0x0a000000 instead of 0x000a0000. This avoids having to modify + // PlatformModuleVersion in the GTK port + + char **version_parts = g_strsplit(description + 16, " ", -1); + if (!version_parts) + return 0; + + int parts_length = g_strv_length(version_parts); + + if (parts_length >= 1) { + guint16 major = 0, minor = 0; + if (sscanf(version_parts[0], "%" G_GUINT16_FORMAT ".%" G_GUINT16_FORMAT, &major, &minor) == 2) + version = ((guint8)major << 24) | ((guint8)minor << 16); + } + + if (parts_length >= 2) { + char *rev_str = version_parts[1]; + if (strlen(rev_str) > 1 && (rev_str[0] == 'r' || rev_str[0] == 'b')) + version |= (guint16)atoi(rev_str + 1); + } + + g_strfreev(version_parts); + } + + return version; +} + +void PluginPackage::determineQuirks(const String& mimeType) +{ + if (MIMETypeRegistry::isJavaAppletMIMEType(mimeType)) { + // Because a single process cannot create multiple VMs, and we cannot reliably unload a + // Java VM, we cannot unload the Java plugin, or we'll lose reference to our only VM + m_quirks.add(PluginQuirkDontUnloadPlugin); + + // Setting the window region to an empty region causes bad scrolling repaint problems + // with the Java plug-in. + m_quirks.add(PluginQuirkDontClipToZeroRectWhenScrolling); + return; + } + + if (mimeType == "application/x-shockwave-flash") { + static const PlatformModuleVersion flashTenVersion(0x0a000000); + + if (compareFileVersion(flashTenVersion) >= 0) { + // Flash 10.0 b218 doesn't like having a NULL window handle + m_quirks.add(PluginQuirkDontSetNullWindowHandleOnDestroy); + } else { + // Flash 9 and older requests windowless plugins if we return a mozilla user agent + m_quirks.add(PluginQuirkWantsMozillaUserAgent); + } + + m_quirks.add(PluginQuirkThrottleInvalidate); + m_quirks.add(PluginQuirkThrottleWMUserPlusOneMessages); + m_quirks.add(PluginQuirkFlashURLNotifyBug); + } +} + +bool PluginPackage::fetchInfo() +{ +#if defined(XP_UNIX) + if (!load()) + return false; + + NP_GetMIMEDescriptionFuncPtr NP_GetMIMEDescription; + NPP_GetValueProcPtr NPP_GetValue; + + g_module_symbol(m_module, "NP_GetMIMEDescription", (void**)&NP_GetMIMEDescription); + g_module_symbol(m_module, "NP_GetValue", (void**)&NPP_GetValue); + + char* buffer = 0; + NPError err = NPP_GetValue(0, NPPVpluginNameString, &buffer); + if (err == NPERR_NO_ERROR) + m_name = buffer; + + buffer = 0; + err = NPP_GetValue(0, NPPVpluginDescriptionString, &buffer); + if (err == NPERR_NO_ERROR) { + m_description = buffer; + m_moduleVersion = getModuleVersion(buffer); + } + + const gchar* types = NP_GetMIMEDescription(); + gchar** mimeDescs = g_strsplit(types, ";", -1); + for (int i = 0; mimeDescs[i] && mimeDescs[i][0]; i++) { + gchar** mimeData = g_strsplit(mimeDescs[i], ":", 3); + if (g_strv_length(mimeData) < 3) { + g_strfreev(mimeData); + continue; + } + + String description = String::fromUTF8(mimeData[2]); + gchar** extensions = g_strsplit(mimeData[1], ",", -1); + + Vector<String> extVector; + for (int j = 0; extensions[j]; j++) + extVector.append(String::fromUTF8(extensions[j])); + + determineQuirks(mimeData[0]); + m_mimeToExtensions.add(mimeData[0], extVector); + m_mimeToDescriptions.add(mimeData[0], description); + + g_strfreev(extensions); + g_strfreev(mimeData); + } + g_strfreev(mimeDescs); + + return true; +#else + notImplemented(); + return false; +#endif +} + +bool PluginPackage::load() +{ + if (m_isLoaded) { + m_loadCount++; + return true; + } + + m_module = g_module_open((m_path.utf8()).data(), G_MODULE_BIND_LOCAL); + + if (!m_module) { + LOG(Plugin,"Module Load Failed :%s, Error:%s\n", (m_path.utf8()).data(), g_module_error()); + return false; + } + + m_isLoaded = true; + + NP_InitializeFuncPtr NP_Initialize; + NPError npErr; + + g_module_symbol(m_module, "NP_Initialize", (void**)&NP_Initialize); + g_module_symbol(m_module, "NP_Shutdown", (void**)&m_NPP_Shutdown); + + if (!NP_Initialize || !m_NPP_Shutdown) + goto abort; + + memset(&m_pluginFuncs, 0, sizeof(m_pluginFuncs)); + m_pluginFuncs.size = sizeof(m_pluginFuncs); + + m_browserFuncs.size = sizeof (m_browserFuncs); + m_browserFuncs.version = NP_VERSION_MINOR; + m_browserFuncs.geturl = NPN_GetURL; + m_browserFuncs.posturl = NPN_PostURL; + m_browserFuncs.requestread = NPN_RequestRead; + m_browserFuncs.newstream = NPN_NewStream; + m_browserFuncs.write = NPN_Write; + m_browserFuncs.destroystream = NPN_DestroyStream; + m_browserFuncs.status = NPN_Status; + m_browserFuncs.uagent = NPN_UserAgent; + m_browserFuncs.memalloc = NPN_MemAlloc; + m_browserFuncs.memfree = NPN_MemFree; + m_browserFuncs.memflush = NPN_MemFlush; + m_browserFuncs.reloadplugins = NPN_ReloadPlugins; + m_browserFuncs.geturlnotify = NPN_GetURLNotify; + m_browserFuncs.posturlnotify = NPN_PostURLNotify; + m_browserFuncs.getvalue = NPN_GetValue; + m_browserFuncs.setvalue = NPN_SetValue; + m_browserFuncs.invalidaterect = NPN_InvalidateRect; + m_browserFuncs.invalidateregion = NPN_InvalidateRegion; + m_browserFuncs.forceredraw = NPN_ForceRedraw; + m_browserFuncs.getJavaEnv = NPN_GetJavaEnv; + m_browserFuncs.getJavaPeer = NPN_GetJavaPeer; + m_browserFuncs.pushpopupsenabledstate = NPN_PushPopupsEnabledState; + m_browserFuncs.poppopupsenabledstate = NPN_PopPopupsEnabledState; + + m_browserFuncs.releasevariantvalue = _NPN_ReleaseVariantValue; + m_browserFuncs.getstringidentifier = _NPN_GetStringIdentifier; + m_browserFuncs.getstringidentifiers = _NPN_GetStringIdentifiers; + m_browserFuncs.getintidentifier = _NPN_GetIntIdentifier; + m_browserFuncs.identifierisstring = _NPN_IdentifierIsString; + m_browserFuncs.utf8fromidentifier = _NPN_UTF8FromIdentifier; + m_browserFuncs.createobject = _NPN_CreateObject; + m_browserFuncs.retainobject = _NPN_RetainObject; + m_browserFuncs.releaseobject = _NPN_ReleaseObject; + m_browserFuncs.invoke = _NPN_Invoke; + m_browserFuncs.invokeDefault = _NPN_InvokeDefault; + m_browserFuncs.evaluate = _NPN_Evaluate; + m_browserFuncs.getproperty = _NPN_GetProperty; + m_browserFuncs.setproperty = _NPN_SetProperty; + m_browserFuncs.removeproperty = _NPN_RemoveProperty; + m_browserFuncs.hasproperty = _NPN_HasMethod; + m_browserFuncs.hasmethod = _NPN_HasProperty; + m_browserFuncs.setexception = _NPN_SetException; + m_browserFuncs.enumerate = _NPN_Enumerate; + m_browserFuncs.construct = _NPN_Construct; + +#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; +} + +unsigned PluginPackage::hash() const +{ + unsigned hashCodes[2] = { + m_path.impl()->hash(), + m_lastModified + }; + + return StringImpl::computeHash(reinterpret_cast<UChar*>(hashCodes), 2 * sizeof(unsigned) / sizeof(UChar)); +} + +bool PluginPackage::equal(const PluginPackage& a, const PluginPackage& b) +{ + return a.m_description == b.m_description; +} + +int PluginPackage::compareFileVersion(const PlatformModuleVersion& compareVersion) const +{ + // return -1, 0, or 1 if plug-in version is less than, equal to, or greater than + // the passed version + if (m_moduleVersion != compareVersion) + return m_moduleVersion > compareVersion ? 1 : -1; + return 0; +} + +} |