nsIPluginHost.idl

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 *
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 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
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 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#include "nspluginroot.idl"
#include "nsISupports.idl"
#include "nsIPluginInstanceOwner.idl"
#include "nsIStreamListener.idl"
#include "nsIStringStream.idl"
#include "nsIPluginTag.idl"

%{C++
#include "nsPluginNativeWindow.h"
#include "nsplugindefs.h"
#ifdef MOZILLA_INTERNAL_API
#include "nsString.h"
#include "nsNetUtil.h"
#endif
#include "prlink.h"  // for PRLibrary

#define MOZ_PLUGIN_HOST_CONTRACTID \
  "@mozilla.org/plugin/host;1"
%}

interface nsIPlugin;
interface nsIURI;
interface nsIDOMPlugin;
interface nsIChannel;
interface nsIPluginStreamListener;

[ptr] native PRLibraryPtr(PRLibrary);
[ref] native nsIStreamListenerRef(nsIStreamListener *);
[ptr] native nsPluginNativeWindowPtr(nsPluginNativeWindow);

[scriptable, uuid(30C7C529-B05C-4950-B5B8-9AF673E46521)]
interface nsIPluginHost : nsISupports
{
  [noscript] void init();

  [noscript] void destroy();

  [noscript] void loadPlugins();

  void reloadPlugins(in boolean reloadPages);

  [noscript] nsIPlugin getPlugin(in string aMimeType);

  [noscript] void instantiateEmbeddedPlugin(in string aMimeType, in nsIURI aURL, in nsIPluginInstanceOwner aOwner);

  [noscript] void instantiateFullPagePlugin(in string aMimeType, in nsIURI aURI, in nsIStreamListenerRef aStreamListener, in nsIPluginInstanceOwner aOwner);

  [noscript] nsIStreamListener instantiatePluginForChannel(in nsIChannel aChannel, in nsIPluginInstanceOwner aOwner);

  [noscript] void setUpPluginInstance(in string aMimeType, in nsIURI aURL, in nsIPluginInstanceOwner aOwner);

  // The return code is NS_OK if the plugin is enabled,
  // NS_ERROR_PLUGIN_DISABLED if the plugin is explicitly disabled, and
  // NS_ERROR_FAILURE if there is no plugin for this type.
  [noscript] void isPluginEnabledForType(in string aMimeType);

  // The return code is NS_OK if the plugin is enabled and NS_ERROR_FAILURE if
  // the plugin is explicitly disabled or there is no plugin.
  [noscript] void isPluginEnabledForExtension(in string aExtension, in constCharStarRef aMimeType);

  [noscript] readonly attribute unsigned long pluginCount;
  
  [noscript] void getPlugins(in unsigned long aPluginCount, out /*array*/ nsIDOMPlugin aPluginArray);

  void getPluginTags(out unsigned long aPluginCount,
    [retval, array, size_is(aPluginCount)] out nsIPluginTag aResults);

  [noscript] void stopPluginInstance(in nsIPluginInstance aInstance);

  [noscript] void handleBadPlugin(in PRLibraryPtr aLibrary, in nsIPluginInstance instance);
  
%{C++
  NS_IMETHOD
  GetURL(nsISupports* pluginInst,
         const char* url,
         const char* target = NULL,
         nsIPluginStreamListener* streamListener = NULL,
         const char* altHost = NULL,
         const char* referrer = NULL,
         PRBool forceJSEnabled = PR_FALSE) = 0;
%}

%{C++
  NS_IMETHOD
  PostURL(nsISupports* pluginInst,
          const char* url,
          PRUint32 postDataLen,
          const char* postData,
          PRBool isFile = PR_FALSE,
          const char* target = NULL,
          nsIPluginStreamListener* streamListener = NULL,
          const char* altHost = NULL,
          const char* referrer = NULL,
          PRBool forceJSEnabled = PR_FALSE,
          PRUint32 postHeadersLength = 0,
          const char* postHeaders = NULL) = 0;
%}

  void findProxyForURL(in string aURL, out string aResult);

  [noscript] void UserAgent(in nativeChar resultingAgentString);

  [noscript] void setIsScriptableInstance(in nsIPluginInstance aInstance, in boolean aScriptable);

  [noscript] void parsePostBufferToFixHeaders(in string aInPostData, 
                                              in unsigned long aInPostDataLen, 
                                              out string aOutPostData, 
                                              out unsigned long aOutPostDataLen);

  [noscript] void createTmpFileToPost(in string aPostDataURL, out string aTmpFileName);

  [noscript] void newPluginNativeWindow(out nsPluginNativeWindowPtr aPluginNativeWindow);

  [noscript] void deletePluginNativeWindow(in nsPluginNativeWindowPtr aPluginNativeWindow);

  [noscript] void instantiateDummyJavaPlugin(in nsIPluginInstanceOwner aOwner);

  [noscript] void getPluginName(in nsIPluginInstance aInstance, [shared] out string aPluginName);

  [noscript] nsIPluginTag getPluginTagForInstance(in nsIPluginInstance aInstance);
};

%{C++
#ifdef MOZILLA_INTERNAL_API

inline nsresult
NS_NewPluginPostDataStream(nsIInputStream **result,
                           const char *data,
                           PRUint32 contentLength,
                           PRBool isFile = PR_FALSE,
                           PRBool headers = PR_FALSE)
{
  nsresult rv = NS_ERROR_UNEXPECTED;
  if (!data)
    return rv;

  if (!isFile) { // do raw data case first
    if (contentLength < 1)
      return rv;
    
    char *buf = (char*) data;
    if (headers) {
      // in assumption we got correctly formated headers just passed in
      if (!(buf = (char*)nsMemory::Alloc(contentLength)))
        return NS_ERROR_OUT_OF_MEMORY;
      memcpy(buf, data, contentLength);
    }
    nsCOMPtr<nsIStringInputStream> sis = do_CreateInstance("@mozilla.org/io/string-input-stream;1",&rv);
    if (NS_SUCCEEDED(rv)) {
      sis->AdoptData(buf, contentLength);  // let the string stream manage our data
      rv = CallQueryInterface(sis, result);
    }
    else if (headers) {
      nsMemory::Free(buf); // Cleanup the memory if the data was copied.
    }
  } else {
    nsCOMPtr<nsILocalFile> file; // tmp file will be deleted on release of stream
    nsCOMPtr<nsIInputStream> fileStream;
    if (NS_SUCCEEDED(rv = NS_NewNativeLocalFile(nsDependentCString(data), PR_FALSE, getter_AddRefs(file))) &&
        NS_SUCCEEDED(rv = NS_NewLocalFileInputStream(getter_AddRefs(fileStream),
                                                     file,
                                                     PR_RDONLY,
                                                     0600,
                                                     nsIFileInputStream::DELETE_ON_CLOSE |
                                                     nsIFileInputStream::CLOSE_ON_EOF))) {
      // wrap the file stream with a buffered input stream
      return NS_NewBufferedInputStream(result, fileStream, 8192);
    }
  }
  return rv;
}
#endif
%}