can activate last played station from the previous program's invocation

thekvs · Nov 16, 2016 · bd9f35d · bd9f35d
1 parent 89c1915
commit bd9f35d
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Showing 5 changed files with 56 additions and 16 deletions.
diff --git a/src/config.cpp b/src/config.cpp
@@ -55,4 +55,10 @@ Config::load_config()
     }
 }
 
+bool
+Config::has_last_station()
+{
+    return (last_station.empty() == false);
+}
+
 } // namespace radiotray
diff --git a/src/config.hpp b/src/config.hpp
@@ -22,6 +22,7 @@ class Config
 
     void set_config_file(const std::string& name);
     void load_config();
+    bool has_last_station();
 
     Glib::ustring last_station;
     long url_timeout_ms = kDefaultHTTPRequestTimeout;

diff --git a/src/player.cpp b/src/player.cpp
@@ -28,16 +28,7 @@ Player::init(int argc, char** argv)
 void
 Player::play(Glib::ustring data_url, Glib::ustring station)
 {
-    bool ok;
-    std::tie(ok, streams) = playlist.get_streams(data_url);
-    if ((not ok) or streams.empty()) {
-        // TODO: D-Bus message
-        LOG(ERROR) << "Couldn't get audio streams!";
-        return;
-    }
-
-    current_station = station;
-
+    init_streams(data_url, station);
     play();
 }
 
@@ -192,4 +183,25 @@ Player::get_station()
     return current_station;
 }
 
+bool
+Player::has_station()
+{
+    return (current_station.empty() == false);
+}
+
+void
+Player::init_streams(Glib::ustring data_url, Glib::ustring station)
+{
+    bool ok;
+
+    std::tie(ok, streams) = playlist.get_streams(data_url);
+    if ((not ok) or streams.empty()) {
+        // TODO: D-Bus message
+        LOG(ERROR) << "Couldn't get audio streams!";
+        return;
+    }
+
+    current_station = station;
+}
+
 } // namespace radiotray
diff --git a/src/player.hpp b/src/player.hpp
@@ -37,9 +37,13 @@ class Player
     void pause();
     void stop();
     void start();
+
     Glib::ustring get_station();
+    bool has_station();
     Glib::RefPtr<PlayBin> get_playbin();
 
+    void init_streams(Glib::ustring data_url, Glib::ustring station);
+
     std::shared_ptr<EventManager> em;
 
 private:

diff --git a/src/tray.cpp b/src/tray.cpp
@@ -145,7 +145,7 @@ RadioTrayLite::on_current_station_button()
 {
     if (em->state == StationState::PLAYING) {
         player->pause();
-    } else if (em->state == StationState::IDLE) {
+    } else if (em->state == StationState::IDLE or em->state == StationState::UNKNOWN) {
         player->play();
     }
 }
@@ -258,16 +258,17 @@ RadioTrayLite::search_for_bookmarks_file()
     auto bookmarks_file_exists = std::bind(file_exists, std::placeholders::_1, kBookmarksFileName);
     auto result = std::find_if(std::begin(paths), std::end(paths), bookmarks_file_exists);
     if (result != std::end(paths)) {
-        bookmarks_file = *result + kBookmarksFileName;
+        auto dir = *result;
+        bookmarks_file = dir + kBookmarksFileName;
 
         // This is the last search path i.e. bookmarks.xml which comes with distribution
-        if (*result == paths.back()) {
+        if (dir == paths.back()) {
             copy_default_bookmarks(bookmarks_file);
         }
 
-        config->set_config_file(*result + kConfigFileName);
+        config->set_config_file(dir + kConfigFileName);
 
-        if (file_exists(*result, kConfigFileName)) {
+        if (file_exists(dir, kConfigFileName)) {
             config->load_config();
         }
     }
@@ -276,7 +277,23 @@ RadioTrayLite::search_for_bookmarks_file()
 void
 RadioTrayLite::set_current_station(bool turn_on)
 {
-    if (not player->get_station().empty()) {
+    if ((not player->has_station()) and config->has_last_station()) {
+        try {
+            char xpath_query[1024];
+            memset(xpath_query, 0, sizeof(xpath_query));
+            snprintf(xpath_query, sizeof(xpath_query) - 1, "//bookmark[@name='%s']", config->last_station.c_str());
+
+            pugi::xpath_node node = bookmarks_doc.select_node(xpath_query);
+            if (not node.node().empty()) {
+                auto data_url = node.node().attribute("url").as_string();
+                player->init_streams(data_url, config->last_station);
+            }
+        } catch (pugi::xpath_exception& exc) {
+            LOG(WARNING) << "XPath error: " << exc.what();
+        }
+    }
+
+    if (player->has_station()) {
         auto mk_menu_entry = [](Glib::ustring name, bool turn_on) {
             std::stringstream ss;
             if (turn_on) {