mirror of
https://gitlab.linphone.org/BC/public/linphone-iphone.git
synced 2026-01-23 22:28:07 +00:00
267 lines
8.2 KiB
C++
267 lines
8.2 KiB
C++
/*
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* is-composing.cpp
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* Copyright (C) 2017 Belledonne Communications SARL
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "linphone/utils/utils.h"
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#include "chat-room-p.h"
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#include "logger/logger.h"
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#include "is-composing.h"
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// =============================================================================
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using namespace std;
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LINPHONE_BEGIN_NAMESPACE
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const string IsComposing::isComposingPrefix = "/xsi:isComposing";
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// -----------------------------------------------------------------------------
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IsComposing::IsComposing (LinphoneCore *core, IsComposingListener *listener)
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: core(core), listener(listener) {}
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IsComposing::~IsComposing () {
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stopTimers();
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}
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// -----------------------------------------------------------------------------
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std::string IsComposing::marshal (bool isComposing) {
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string content;
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xmlBufferPtr buf = xmlBufferCreate();
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if (!buf) {
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lError() << "Error creating the XML buffer";
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return content;
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}
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xmlTextWriterPtr writer = xmlNewTextWriterMemory(buf, 0);
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if (!writer) {
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lError() << "Error creating the XML writer";
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return content;
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}
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int err = xmlTextWriterStartDocument(writer, "1.0", "UTF-8", nullptr);
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if (err >= 0) {
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err = xmlTextWriterStartElementNS(writer, nullptr, (const xmlChar *)"isComposing",
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(const xmlChar *)"urn:ietf:params:xml:ns:im-iscomposing");
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}
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if (err >= 0) {
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err = xmlTextWriterWriteAttributeNS(writer, (const xmlChar *)"xmlns", (const xmlChar *)"xsi", nullptr,
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(const xmlChar *)"http://www.w3.org/2001/XMLSchema-instance");
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}
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if (err >= 0) {
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err = xmlTextWriterWriteAttributeNS(writer, (const xmlChar *)"xsi", (const xmlChar *)"schemaLocation", nullptr,
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(const xmlChar *)"urn:ietf:params:xml:ns:im-composing iscomposing.xsd");
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}
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if (err >= 0) {
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err = xmlTextWriterWriteElement(writer, (const xmlChar *)"state",
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isComposing ? (const xmlChar *)"active" : (const xmlChar *)"idle");
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}
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if ((err >= 0) && isComposing) {
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int refreshTimeout = lp_config_get_int(core->config, "sip", "composing_refresh_timeout", defaultRefreshTimeout);
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err = xmlTextWriterWriteElement(writer, (const xmlChar *)"refresh", (const xmlChar *)Utils::toString(refreshTimeout).c_str());
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}
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if (err >= 0) {
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/* Close the "isComposing" element. */
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err = xmlTextWriterEndElement(writer);
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}
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if (err >= 0) {
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err = xmlTextWriterEndDocument(writer);
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}
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if (err > 0) {
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/* xmlTextWriterEndDocument returns the size of the content. */
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content = (char *)buf->content;
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}
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xmlFreeTextWriter(writer);
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xmlBufferFree(buf);
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return content;
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}
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void IsComposing::parse (const string &text) {
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xmlparsing_context_t *xmlCtx = linphone_xmlparsing_context_new();
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xmlSetGenericErrorFunc(xmlCtx, linphone_xmlparsing_genericxml_error);
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xmlCtx->doc = xmlReadDoc((const unsigned char *)text.c_str(), 0, nullptr, 0);
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if (xmlCtx->doc)
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parse(xmlCtx);
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else
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lWarning() << "Wrongly formatted presence XML: " << xmlCtx->errorBuffer;
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linphone_xmlparsing_context_destroy(xmlCtx);
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}
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void IsComposing::startIdleTimer () {
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int duration = getIdleTimerDuration();
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if (!idleTimer) {
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idleTimer = sal_create_timer(core->sal, idleTimerExpired, this,
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duration * 1000, "composing idle timeout");
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} else {
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belle_sip_source_set_timeout(idleTimer, duration * 1000);
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}
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}
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void IsComposing::startRefreshTimer () {
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int duration = getRefreshTimerDuration();
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if (!refreshTimer) {
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refreshTimer = sal_create_timer(core->sal, refreshTimerExpired, this,
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duration * 1000, "composing refresh timeout");
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} else {
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belle_sip_source_set_timeout(refreshTimer, duration * 1000);
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}
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}
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void IsComposing::startRemoteRefreshTimer (const char *refreshStr) {
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int duration = getRemoteRefreshTimerDuration();
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if (refreshStr)
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duration = atoi(refreshStr);
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if (!remoteRefreshTimer) {
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remoteRefreshTimer = sal_create_timer(core->sal, remoteRefreshTimerExpired, this,
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duration * 1000, "composing remote refresh timeout");
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} else {
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belle_sip_source_set_timeout(remoteRefreshTimer, duration * 1000);
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}
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}
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#if 0
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void IsComposing::idleTimerExpired () {
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stopRefreshTimer();
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stopIdleTimer();
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}
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#endif
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void IsComposing::stopTimers () {
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stopIdleTimer();
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stopRefreshTimer();
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stopRemoteRefreshTimer();
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}
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// -----------------------------------------------------------------------------
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void IsComposing::stopIdleTimer () {
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if (idleTimer) {
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if (core && core->sal)
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sal_cancel_timer(core->sal, idleTimer);
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belle_sip_object_unref(idleTimer);
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idleTimer = nullptr;
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}
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}
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void IsComposing::stopRefreshTimer () {
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if (refreshTimer) {
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if (core && core->sal)
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sal_cancel_timer(core->sal, refreshTimer);
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belle_sip_object_unref(refreshTimer);
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refreshTimer = nullptr;
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}
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}
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void IsComposing::stopRemoteRefreshTimer () {
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if (remoteRefreshTimer) {
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if (core && core->sal)
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sal_cancel_timer(core->sal, remoteRefreshTimer);
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belle_sip_object_unref(remoteRefreshTimer);
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remoteRefreshTimer = nullptr;
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}
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}
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// -----------------------------------------------------------------------------
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int IsComposing::getIdleTimerDuration () {
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return lp_config_get_int(core->config, "sip", "composing_idle_timeout", defaultIdleTimeout);
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}
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int IsComposing::getRefreshTimerDuration () {
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return lp_config_get_int(core->config, "sip", "composing_refresh_timeout", defaultRefreshTimeout);
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}
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int IsComposing::getRemoteRefreshTimerDuration () {
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return lp_config_get_int(core->config, "sip", "composing_remote_refresh_timeout", defaultRemoteRefreshTimeout);
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}
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void IsComposing::parse (xmlparsing_context_t *xmlCtx) {
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char xpathStr[MAX_XPATH_LENGTH];
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char *stateStr = nullptr;
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char *refreshStr = nullptr;
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int i;
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bool state = false;
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if (linphone_create_xml_xpath_context(xmlCtx) < 0)
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return;
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xmlXPathRegisterNs(xmlCtx->xpath_ctx, (const xmlChar *)"xsi", (const xmlChar *)"urn:ietf:params:xml:ns:im-iscomposing");
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xmlXPathObjectPtr isComposingObject = linphone_get_xml_xpath_object_for_node_list(xmlCtx, isComposingPrefix.c_str());
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if (isComposingObject) {
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if (isComposingObject->nodesetval) {
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for (i = 1; i <= isComposingObject->nodesetval->nodeNr; i++) {
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snprintf(xpathStr, sizeof(xpathStr), "%s[%i]/xsi:state", isComposingPrefix.c_str(), i);
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stateStr = linphone_get_xml_text_content(xmlCtx, xpathStr);
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if (!stateStr)
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continue;
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snprintf(xpathStr, sizeof(xpathStr), "%s[%i]/xsi:refresh", isComposingPrefix.c_str(), i);
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refreshStr = linphone_get_xml_text_content(xmlCtx, xpathStr);
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}
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}
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xmlXPathFreeObject(isComposingObject);
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}
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if (stateStr) {
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if (strcmp(stateStr, "active") == 0) {
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state = true;
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startRemoteRefreshTimer(refreshStr);
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} else {
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stopRemoteRefreshTimer();
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}
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listener->isRemoteComposingStateChanged(state);
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linphone_free_xml_text_content(stateStr);
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}
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if (refreshStr)
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linphone_free_xml_text_content(refreshStr);
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}
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int IsComposing::idleTimerExpired (unsigned int revents) {
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listener->isComposingStateChanged(false);
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return BELLE_SIP_STOP;
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}
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int IsComposing::refreshTimerExpired (unsigned int revents) {
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listener->isComposingRefreshNeeded();
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return BELLE_SIP_CONTINUE;
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}
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int IsComposing::remoteRefreshTimerExpired (unsigned int revents) {
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stopRemoteRefreshTimer();
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listener->isRemoteComposingStateChanged(false);
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return BELLE_SIP_STOP;
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}
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int IsComposing::idleTimerExpired (void *data, unsigned int revents) {
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IsComposing *d = reinterpret_cast<IsComposing *>(data);
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return d->idleTimerExpired(revents);
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}
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int IsComposing::refreshTimerExpired (void *data, unsigned int revents) {
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IsComposing *d = reinterpret_cast<IsComposing *>(data);
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return d->refreshTimerExpired(revents);
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}
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int IsComposing::remoteRefreshTimerExpired (void *data, unsigned int revents) {
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IsComposing *d = reinterpret_cast<IsComposing *>(data);
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return d->remoteRefreshTimerExpired(revents);
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}
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LINPHONE_END_NAMESPACE
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