diff --git a/src/CallManager.cpp b/src/CallManager.cpp
index 58d75c2f..f5e2c2bb 100644
--- a/src/CallManager.cpp
+++ b/src/CallManager.cpp
@@ -3,6 +3,7 @@
#include <chrono>
#include <cstdint>
#include <cstdlib>
+#include <memory>
#include <QMediaPlaylist>
#include <QUrl>
@@ -18,6 +19,11 @@
#include "mtx/responses/turn_server.hpp"
+#ifdef XCB_AVAILABLE
+#include <xcb/xcb.h>
+#include <xcb/xcb_ewmh.h>
+#endif
+
Q_DECLARE_METATYPE(std::vector<mtx::events::msg::CallCandidates::Candidate>)
Q_DECLARE_METATYPE(mtx::events::msg::CallCandidates::Candidate)
Q_DECLARE_METATYPE(mtx::responses::TurnServer)
@@ -151,12 +157,18 @@ CallManager::CallManager(QObject *parent)
}
void
-CallManager::sendInvite(const QString &roomid, CallType callType)
+CallManager::sendInvite(const QString &roomid, CallType callType, unsigned int windowIndex)
{
if (isOnCall())
return;
- if (callType == CallType::SCREEN && !screenShareSupported())
- return;
+ if (callType == CallType::SCREEN) {
+ if (!screenShareSupported())
+ return;
+ if (windows_.empty() || windowIndex >= windows_.size()) {
+ nhlog::ui()->error("WebRTC: window index out of range");
+ return;
+ }
+ }
auto roomInfo = cache::singleRoomInfo(roomid.toStdString());
if (roomInfo.member_count != 2) {
@@ -187,7 +199,7 @@ CallManager::sendInvite(const QString &roomid, CallType callType)
callPartyAvatarUrl_ = QString::fromStdString(roomInfo.avatar_url);
emit newInviteState();
playRingtone(QUrl("qrc:/media/media/ringback.ogg"), true);
- if (!session_.createOffer(callType)) {
+ if (!session_.createOffer(callType, windows_[windowIndex].second)) {
emit ChatPage::instance()->showNotification("Problem setting up call.");
endCall();
}
@@ -490,6 +502,69 @@ CallManager::stopRingtone()
player_.setPlaylist(nullptr);
}
+QStringList
+CallManager::windowList()
+{
+ windows_.clear();
+ windows_.push_back({"Entire screen", 0});
+
+#ifdef XCB_AVAILABLE
+ std::unique_ptr<xcb_connection_t, std::function<void(xcb_connection_t *)>> connection(
+ xcb_connect(nullptr, nullptr), [](xcb_connection_t *c) { xcb_disconnect(c); });
+ if (xcb_connection_has_error(connection.get())) {
+ nhlog::ui()->error("Failed to connect to X server");
+ return {};
+ }
+
+ xcb_ewmh_connection_t ewmh;
+ if (!xcb_ewmh_init_atoms_replies(
+ &ewmh, xcb_ewmh_init_atoms(connection.get(), &ewmh), nullptr)) {
+ nhlog::ui()->error("Failed to connect to EWMH server");
+ return {};
+ }
+ std::unique_ptr<xcb_ewmh_connection_t, std::function<void(xcb_ewmh_connection_t *)>>
+ ewmhconnection(&ewmh, [](xcb_ewmh_connection_t *c) { xcb_ewmh_connection_wipe(c); });
+
+ for (int i = 0; i < ewmh.nb_screens; i++) {
+ xcb_ewmh_get_windows_reply_t clients;
+ if (!xcb_ewmh_get_client_list_reply(
+ &ewmh, xcb_ewmh_get_client_list(&ewmh, i), &clients, nullptr)) {
+ nhlog::ui()->error("Failed to request window list");
+ return {};
+ }
+
+ for (uint32_t w = 0; w < clients.windows_len; w++) {
+ xcb_window_t window = clients.windows[w];
+
+ std::string name;
+ xcb_ewmh_get_utf8_strings_reply_t data;
+ auto getName = [](xcb_ewmh_get_utf8_strings_reply_t *r) {
+ std::string name(r->strings, r->strings_len);
+ xcb_ewmh_get_utf8_strings_reply_wipe(r);
+ return name;
+ };
+
+ xcb_get_property_cookie_t cookie = xcb_ewmh_get_wm_name(&ewmh, window);
+ if (xcb_ewmh_get_wm_name_reply(&ewmh, cookie, &data, nullptr))
+ name = getName(&data);
+
+ cookie = xcb_ewmh_get_wm_visible_name(&ewmh, window);
+ if (xcb_ewmh_get_wm_visible_name_reply(&ewmh, cookie, &data, nullptr))
+ name = getName(&data);
+
+ windows_.push_back({QString::fromStdString(name), window});
+ }
+ xcb_ewmh_get_windows_reply_wipe(&clients);
+ }
+#endif
+ QStringList ret;
+ ret.reserve(windows_.size());
+ for (const auto &w : windows_)
+ ret.append(w.first);
+
+ return ret;
+}
+
namespace {
std::vector<std::string>
getTurnURIs(const mtx::responses::TurnServer &turnServer)
diff --git a/src/CallManager.h b/src/CallManager.h
index 19d79f86..6decdf19 100644
--- a/src/CallManager.h
+++ b/src/CallManager.h
@@ -55,13 +55,14 @@ public:
static bool screenShareSupported();
public slots:
- void sendInvite(const QString &roomid, webrtc::CallType);
+ void sendInvite(const QString &roomid, webrtc::CallType, unsigned int windowIndex = 0);
void syncEvent(const mtx::events::collections::TimelineEvents &event);
void toggleMicMute();
void toggleLocalPiP() { session_.toggleLocalPiP(); }
void acceptInvite();
void hangUp(
mtx::events::msg::CallHangUp::Reason = mtx::events::msg::CallHangUp::Reason::User);
+ QStringList windowList();
signals:
void newMessage(const QString &roomid, const mtx::events::msg::CallInvite &);
@@ -91,6 +92,7 @@ private:
std::vector<std::string> turnURIs_;
QTimer turnServerTimer_;
QMediaPlayer player_;
+ std::vector<std::pair<QString, uint32_t>> windows_;
template<typename T>
bool handleEvent_(const mtx::events::collections::TimelineEvents &event);
diff --git a/src/WebRTCSession.cpp b/src/WebRTCSession.cpp
index 4d38d196..74855835 100644
--- a/src/WebRTCSession.cpp
+++ b/src/WebRTCSession.cpp
@@ -362,7 +362,7 @@ getResolution(GstElement *pipe, const gchar *elementName, const gchar *padName)
}
std::pair<int, int>
-getPiPDimensions(const std::pair<int, int> resolution, int fullWidth, double scaleFactor)
+getPiPDimensions(const std::pair<int, int> &resolution, int fullWidth, double scaleFactor)
{
int pipWidth = fullWidth * scaleFactor;
int pipHeight = static_cast<double>(resolution.second) / resolution.first * pipWidth;
@@ -629,11 +629,12 @@ WebRTCSession::havePlugins(bool isVideo, std::string *errorMessage)
}
bool
-WebRTCSession::createOffer(CallType callType)
+WebRTCSession::createOffer(CallType callType, uint32_t shareWindowId)
{
clear();
- isOffering_ = true;
- callType_ = callType;
+ isOffering_ = true;
+ callType_ = callType;
+ shareWindowId_ = shareWindowId;
// opus and vp8 rtp payload types must be defined dynamically
// therefore from the range [96-127]
@@ -888,15 +889,12 @@ WebRTCSession::addVideoPipeline(int vp8PayloadType)
if (callType_ == CallType::VIDEO && !devices_.haveCamera())
return !isOffering_;
- auto settings = ChatPage::instance()->userSettings();
- if (callType_ == CallType::SCREEN && settings->screenSharePiP() && !devices_.haveCamera())
- return false;
-
+ auto settings = ChatPage::instance()->userSettings();
GstElement *camerafilter = nullptr;
GstElement *videoconvert = gst_element_factory_make("videoconvert", nullptr);
GstElement *tee = gst_element_factory_make("tee", "videosrctee");
gst_bin_add_many(GST_BIN(pipe_), videoconvert, tee, nullptr);
- if (callType_ == CallType::VIDEO || settings->screenSharePiP()) {
+ if (callType_ == CallType::VIDEO || (settings->screenSharePiP() && devices_.haveCamera())) {
std::pair<int, int> resolution;
std::pair<int, int> frameRate;
GstDevice *device = devices_.videoDevice(resolution, frameRate);
@@ -947,7 +945,7 @@ WebRTCSession::addVideoPipeline(int vp8PayloadType)
return false;
}
g_object_set(ximagesrc, "use-damage", FALSE, nullptr);
- g_object_set(ximagesrc, "xid", 0, nullptr);
+ g_object_set(ximagesrc, "xid", shareWindowId_, nullptr);
g_object_set(
ximagesrc, "show-pointer", !settings->screenShareHideCursor(), nullptr);
@@ -962,7 +960,7 @@ WebRTCSession::addVideoPipeline(int vp8PayloadType)
gst_caps_unref(caps);
gst_bin_add_many(GST_BIN(pipe_), ximagesrc, capsfilter, nullptr);
- if (settings->screenSharePiP()) {
+ if (settings->screenSharePiP() && devices_.haveCamera()) {
GstElement *compositor = gst_element_factory_make("compositor", nullptr);
g_object_set(compositor, "background", 1, nullptr);
gst_bin_add(GST_BIN(pipe_), compositor);
@@ -1101,6 +1099,7 @@ WebRTCSession::clear()
pipe_ = nullptr;
webrtc_ = nullptr;
busWatchId_ = 0;
+ shareWindowId_ = 0;
haveAudioStream_ = false;
haveVideoStream_ = false;
localPiPSinkPad_ = nullptr;
@@ -1143,7 +1142,7 @@ WebRTCSession::haveLocalPiP() const
return false;
}
-bool WebRTCSession::createOffer(webrtc::CallType) { return false; }
+bool WebRTCSession::createOffer(webrtc::CallType, uint32_t) { return false; }
bool
WebRTCSession::acceptOffer(const std::string &)
diff --git a/src/WebRTCSession.h b/src/WebRTCSession.h
index fc637193..7c77a94d 100644
--- a/src/WebRTCSession.h
+++ b/src/WebRTCSession.h
@@ -57,7 +57,7 @@ public:
bool isRemoteVideoRecvOnly() const { return isRemoteVideoRecvOnly_; }
bool isRemoteVideoSendOnly() const { return isRemoteVideoSendOnly_; }
- bool createOffer(webrtc::CallType);
+ bool createOffer(webrtc::CallType, uint32_t shareWindowId);
bool acceptOffer(const std::string &sdp);
bool acceptAnswer(const std::string &sdp);
void acceptICECandidates(const std::vector<mtx::events::msg::CallCandidates::Candidate> &);
@@ -100,6 +100,7 @@ private:
GstElement *webrtc_ = nullptr;
unsigned int busWatchId_ = 0;
std::vector<std::string> turnServers_;
+ uint32_t shareWindowId_ = 0;
bool init(std::string *errorMessage = nullptr);
bool startPipeline(int opusPayloadType, int vp8PayloadType);
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