Initial community commit

Src/Wasabi/api/skin/feeds/textfeed.h

@@ -0,0 +1,57 @@
+#ifndef _TEXTFEED_H
+#define _TEXTFEED_H
+
+#include <bfc/common.h>
+#include <map>
+#include <string>
+#include <utility>
+#include <bfc/depend.h>
+#include <api/service/svcs/svc_textfeed.h>
+#include <api/syscb/callbacks/corecbi.h>
+
+/**
+  This is the standard helper class for implementing a textfeed.
+  Be sure to check out class EzFeed in ezfeed.h, which combines this
+  class with a service factory.
+*/
+class TextFeed : public svc_textFeedI, public DependentI 
+{
+public:
+/**
+  Call this to register your feeds by id. Make the ids unique!
+  @see sendFeed()
+  @ret TRUE if succeeded, FALSE on error (i.e. nonunique id)
+*/
+  int registerFeed(const wchar_t *feedid, const wchar_t *initial_text=L"", const wchar_t *description=L"");
+
+/**
+  Call this to send text into a feed.
+  @see registerFeed()
+  @ret TRUE if succeeded, FALSE on error (i.e. feedid not registered)
+*/
+  int sendFeed(const wchar_t *feedid, const wchar_t *text);
+
+//  Gives the most recently sent text on a feed.
+  virtual const wchar_t *getFeedText(const wchar_t *feedid);
+
+//  Gives a description for the feed (used by accessibility).
+  virtual const wchar_t *getFeedDescription(const wchar_t *feedid);
+
+protected:
+  virtual api_dependent *getDependencyPtr() { return this; }
+  virtual void dependent_onRegViewer(api_dependentviewer *viewer, int add);
+  virtual void *dependent_getInterface(const GUID *classguid);
+
+/**
+  Called when someone subscribes to this feed.
+*/
+  virtual void onRegClient() { }
+  virtual void onDeregClient() { }
+
+  virtual int hasFeed(const wchar_t *name);
+
+private:
+  std::map<std::wstring, std::pair<std::wstring, std::wstring> > feeds;
+};
+
+#endif