Revert of Remove webrtc/libjingle/{xmllite,xmpp}

webrtc/libjingle/xmpp/presenceouttask.cc

+/*
+ *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <time.h>
+#include <sstream>
+#include "webrtc/libjingle/xmpp/constants.h"
+#include "webrtc/libjingle/xmpp/presenceouttask.h"
+#include "webrtc/libjingle/xmpp/xmppclient.h"
+#include "webrtc/base/arraysize.h"
+#include "webrtc/base/stringencode.h"
+
+namespace buzz {
+
+XmppReturnStatus
+PresenceOutTask::Send(const PresenceStatus & s) {
+  if (GetState() != STATE_INIT && GetState() != STATE_START)
+    return XMPP_RETURN_BADSTATE;
+
+  XmlElement * presence = TranslateStatus(s);
+  QueueStanza(presence);
+  delete presence;
+  return XMPP_RETURN_OK;
+}
+
+XmppReturnStatus
+PresenceOutTask::SendDirected(const Jid & j, const PresenceStatus & s) {
+  if (GetState() != STATE_INIT && GetState() != STATE_START)
+    return XMPP_RETURN_BADSTATE;
+
+  XmlElement * presence = TranslateStatus(s);
+  presence->AddAttr(QN_TO, j.Str());
+  QueueStanza(presence);
+  delete presence;
+  return XMPP_RETURN_OK;
+}
+
+XmppReturnStatus PresenceOutTask::SendProbe(const Jid & jid) {
+  if (GetState() != STATE_INIT && GetState() != STATE_START)
+    return XMPP_RETURN_BADSTATE;
+
+  XmlElement * presence = new XmlElement(QN_PRESENCE);
+  presence->AddAttr(QN_TO, jid.Str());
+  presence->AddAttr(QN_TYPE, "probe");
+
+  QueueStanza(presence);
+  delete presence;
+  return XMPP_RETURN_OK;
+}
+
+int
+PresenceOutTask::ProcessStart() {
+  const XmlElement * stanza = NextStanza();
+  if (stanza == NULL)
+    return STATE_BLOCKED;
+
+  if (SendStanza(stanza) != XMPP_RETURN_OK)
+    return STATE_ERROR;
+
+  return STATE_START;
+}
+
+XmlElement *
+PresenceOutTask::TranslateStatus(const PresenceStatus & s) {
+  XmlElement * result = new XmlElement(QN_PRESENCE);
+  if (!s.available()) {
+    result->AddAttr(QN_TYPE, STR_UNAVAILABLE);
+  }
+  else {
+    if (s.show() != PresenceStatus::SHOW_ONLINE && 
+        s.show() != PresenceStatus::SHOW_OFFLINE) {
+      result->AddElement(new XmlElement(QN_SHOW));
+      switch (s.show()) {
+        default:
+          result->AddText(STR_SHOW_AWAY, 1);
+          break;
+        case PresenceStatus::SHOW_XA:
+          result->AddText(STR_SHOW_XA, 1);
+          break;
+        case PresenceStatus::SHOW_DND:
+          result->AddText(STR_SHOW_DND, 1);
+          break;
+        case PresenceStatus::SHOW_CHAT:
+          result->AddText(STR_SHOW_CHAT, 1);
+          break;
+      }
+    }
+
+    result->AddElement(new XmlElement(QN_STATUS));
+    result->AddText(s.status(), 1);
+
+    if (!s.nick().empty()) {
+      result->AddElement(new XmlElement(QN_NICKNAME));
+      result->AddText(s.nick(), 1);
+    }
+
+    std::string pri;
+    rtc::ToString(s.priority(), &pri);
+
+    result->AddElement(new XmlElement(QN_PRIORITY));
+    result->AddText(pri, 1);
+
+    if (s.know_capabilities()) {
+      result->AddElement(new XmlElement(QN_CAPS_C, true));
+      result->AddAttr(QN_NODE, s.caps_node(), 1);
+      result->AddAttr(QN_VER, s.version(), 1);
+
+      std::string caps;
+      caps.append(s.voice_capability() ? "voice-v1" : "");
+      caps.append(s.pmuc_capability() ? " pmuc-v1" : "");
+      caps.append(s.video_capability() ? " video-v1" : "");
+      caps.append(s.camera_capability() ? " camera-v1" : "");
+
+      result->AddAttr(QN_EXT, caps, 1);
+    }
+
+    // Put the delay mark on the presence according to JEP-0091
+    {
+      result->AddElement(new XmlElement(kQnDelayX, true));
+
+      // This here is why we *love* the C runtime
+      time_t current_time_seconds;
+      time(&current_time_seconds);
+      struct tm* current_time = gmtime(&current_time_seconds);
+      char output[256];
+      strftime(output, arraysize(output), "%Y%m%dT%H:%M:%S", current_time);
+      result->AddAttr(kQnStamp, output, 1);
+    }
+  }
+
+  return result;
+}
+
+
+}