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View File mozilla-prefer_plugin_pref.patch of Package mozilla-xulrunner192.368 (Project openSUSE:12.1:Update)

From: Ubuntu
Subject: introduce a pref to prefer certain plugins for mime-types

diff --git a/modules/plugin/base/src/nsPluginHost.cpp b/modules/plugin/base/src/nsPluginHost.cpp
--- a/modules/plugin/base/src/nsPluginHost.cpp
+++ b/modules/plugin/base/src/nsPluginHost.cpp
@@ -3929,8 +3929,41 @@ nsPluginHost::FindPluginForType(const ch
   // if we have a mimetype passed in, search the mPlugins
   // linked list for a match
   if (nsnull != aMimeType) {
+    nsresult res;
+    nsCOMPtr<nsIPrefBranch> prefB (do_QueryInterface(mPrefService));
+
+    char *preferredPluginPath = NULL;
+    nsCAutoString mimetypePrefString ("modules.plugins.mimetype.");
+    mimetypePrefString.Append(aMimeType);
+    const char *mimetypePrefChar = mimetypePrefString.get();
+    res = prefB->GetCharPref(mimetypePrefChar, &preferredPluginPath);
+
+    if(!NS_SUCCEEDED(res)) preferredPluginPath = NULL;
+
     plugins = mPlugins;
-
+    if(preferredPluginPath) {
+      while (nsnull != plugins) {
+        if (0 == PL_strcasecmp(plugins->mFileName.get(), preferredPluginPath) ||
+            0 == PL_strcasecmp(plugins->mFullPath.get(), preferredPluginPath)) {
+          return plugins;
+        }
+        plugins = plugins->mNext;
+      }
+
+      // now lets search for substrings
+      plugins=mPlugins;
+      while (nsnull != plugins) {
+        if (nsnull != PL_strstr(plugins->mFileName.get(), preferredPluginPath) ||
+            nsnull != PL_strstr(plugins->mFullPath.get(), preferredPluginPath)) {
+          return plugins;
+        }
+        plugins = plugins->mNext;
+      }
+    }
+
+    // if there is no pref for this mime-type, or if the plugin named in pref
+    // isn't found, we pick the first that matches for this mime-type
+    plugins = mPlugins;
     while (nsnull != plugins) {
       variants = plugins->mVariants;
       for (cnt = 0; cnt < variants; cnt++) {