private int visit(cef_web_plugin_info_visitor_t *self, cef_web_plugin_info_t *info, int count, int total)
{
CheckSelf(self);
var m_info = CefWebPluginInfo.FromNative(info);
var result = Visit(m_info, count, total);
return(result ? 1 : 0);
}
private int on_before_plugin_load(cef_request_context_handler_t *self, cef_string_t *mime_type, cef_string_t *plugin_url, cef_string_t *top_origin_url, cef_web_plugin_info_t *plugin_info, CefPluginPolicy *plugin_policy)
{
CheckSelf(self);
var mMimeType = cef_string_t.ToString(mime_type);
var mPluginUrl = cef_string_t.ToString(plugin_url);
var mTopOriginUrl = cef_string_t.ToString(top_origin_url);
var mPluginInfo = CefWebPluginInfo.FromNative(plugin_info);
var mPluginPolicy = *plugin_policy;
var result = OnBeforePluginLoad(mMimeType, mPluginUrl, mTopOriginUrl, mPluginInfo, ref mPluginPolicy);
*plugin_policy = mPluginPolicy;
return(result ? 1 : 0);
}
/// <summary>
/// Called on multiple browser process threads before a plugin instance is
/// loaded. |mime_type| is the mime type of the plugin that will be loaded.
/// |plugin_url| is the content URL that the plugin will load and may be empty.
/// |top_origin_url| is the URL for the top-level frame that contains the
/// plugin when loading a specific plugin instance or empty when building the
/// initial list of enabled plugins for 'navigator.plugins' JavaScript state.
/// |plugin_info| includes additional information about the plugin that will be
/// loaded. |plugin_policy| is the recommended policy. Modify |plugin_policy|
/// and return true to change the policy. Return false to use the recommended
/// policy. The default plugin policy can be set at runtime using the
/// `--plugin-policy=[allow|detect|block]` command-line flag. Decisions to mark
/// a plugin as disabled by setting |plugin_policy| to PLUGIN_POLICY_DISABLED
/// may be cached when |top_origin_url| is empty. To purge the plugin list
/// cache and potentially trigger new calls to this method call
/// CefRequestContext::PurgePluginListCache.
/// </summary>
protected virtual bool OnBeforePluginLoad(string mimeType, string pluginUrl, string topOriginUrl, CefWebPluginInfo pluginInfo, ref CefPluginPolicy pluginPolicy)
{
return(false);
}
/// <summary> /// Method that will be called once for each plugin. |count| is the 0-based /// index for the current plugin. |total| is the total number of plugins. /// Return false to stop visiting plugins. This method may never be called if /// no plugins are found. /// </summary> protected abstract bool Visit(CefWebPluginInfo info, int count, int total);
