monitor-bluez: copy all properties and the rules functionality from media-session

src/scripts/monitors/monitor-bluez5.lua

@@ -5,26 +5,73 @@
 --
 -- SPDX-License-Identifier: MIT
 
+local config = ... or {}
+
+-- preprocess rules and create Interest objects
+for _, r in ipairs(config.rules or {}) do
+  r.interests = {}
+  for _, i in ipairs(r.matches) do
+    local interest_desc = { type = "properties" }
+    for _, c in ipairs(i) do
+      c.type = "pw"
+      table.insert(interest_desc, Constraint(c))
+    end
+    local interest = Interest(interest_desc)
+    table.insert(r.interests, interest)
+  end
+  r.matches = nil
+end
+
+-- applies properties from config.rules when asked to
+function rulesApplyProperties(properties)
+  for _, r in ipairs(config.rules or {}) do
+    if r.apply_properties then
+      for _, interest in ipairs(r.interests) do
+        if interest:matches(properties) then
+          for k, v in pairs(r.apply_properties) do
+            properties[k] = v
+          end
+        end
+      end
+    end
+  end
+end
+
 function createNode(parent, id, type, factory, properties)
   local dev_props = parent.properties
 
-  -- ensure the node has a name and description
-  local devname = dev_props["device.description"]
-      or dev_props["device.name"]
-      or dev_props["device.nick"]
-      or dev_props["device.alias"]
-      or "bluetooth-device"
-  properties["node.name"] = factory .. "." .. devname
-  properties["node.description"] = devname
-
-  -- transfer path & address from the device to the node
-  properties["api.bluez5.path"] = dev_props["api.bluez5.path"]
-  properties["api.bluez5.address"] = dev_props["api.bluez5.address"]
-
   -- set the device id and spa factory name; REQUIRED, do not change
   properties["device.id"] = parent["bound-id"]
   properties["factory.name"] = factory
 
+  -- set the default pause-on-idle setting
+  properties["node.pause-on-idle"] = false
+
+  -- set the node description
+  properties["node.description"] =
+      dev_props["device.description"]
+      or dev_props["device.name"]
+      or dev_props["device.nick"]
+      or dev_props["device.alias"]
+      or "bluetooth-device"
+
+  -- set the node name
+  properties["node.name"] =
+      ((factory:find("sink") and "bluez_output") or
+       (factory:find("source") and "bluez_input" or factory)) .. "." ..
+      (properties["api.bluez5.address"] or dev_props["device.name"]) .. "." ..
+      (properties["api.bluez5.profile"] or "unknown")
+
+  -- set priority
+  if not properties["priority.driver"] then
+    local priority = factory:find("sink") and 2010 or 1010
+    properties["priority.driver"] = priority
+    properties["priority.session"] = priority
+  end
+
+  -- apply properties from config.rules
+  rulesApplyProperties(properties)
+
   -- create the node; bluez requires "local" nodes, i.e. ones that run in
   -- the same process as the spa device, for several reasons
   local node = LocalNode("adapter", properties)
@@ -33,6 +80,9 @@ function createNode(parent, id, type, factory, properties)
 end
 
 function createDevice(parent, id, type, factory, properties)
+  -- apply properties from config.rules
+  rulesApplyProperties(properties)
+
   -- create the device
   local device = SpaDevice(factory, properties)
   device:connect("create-object", createNode)
@@ -40,6 +90,6 @@ function createDevice(parent, id, type, factory, properties)
   parent:store_managed_object(id, device)
 end
 
-monitor = SpaDevice("api.bluez5.enum.dbus")
+monitor = SpaDevice("api.bluez5.enum.dbus", config.properties or {})
 monitor:connect("create-object", createDevice)
 monitor:activate(Feature.SpaDevice.ENABLED)