Initial upload

app/controller.go

@@ -0,0 +1,87 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"log"
+)
+
+type Controller struct {
+	Model *Model
+	View  *View
+}
+
+func (c *Controller) LogAndShowError(err error) {
+	log.Printf("[ERR ] app: %s", err.Error())
+	c.View.PopupError(err)
+}
+
+func (c *Controller) DiscoverDevices() {
+	go func() {
+		devices, err := c.Model.DiscoverDevices()
+		if err != nil {
+			c.LogAndShowError(fmt.Errorf("error discovering devices %v", err))
+			return
+		}
+		if len(devices) == 0 {
+			c.LogAndShowError(errors.New("no devices found"))
+			return
+		}
+		c.View.MainScreen(devices)
+	}()
+	c.View.LoadingScreen()
+}
+
+func (c *Controller) StartCasting(selected string, mediaURL string) {
+
+	if selected == "" {
+		c.LogAndShowError(errors.New("no device selected"))
+		return
+	}
+
+	err := c.Model.ConnectToDevice(selected)
+	if err != nil {
+		c.LogAndShowError(fmt.Errorf("error connecting to device %v", err))
+		return
+	}
+	go func() {
+		err = c.Model.StartCast(mediaURL)
+		if err != nil {
+			c.LogAndShowError(fmt.Errorf("error starting cast %v", err))
+			c.DiscoverDevices()
+			return
+		}
+	}()
+	c.View.CastingScreen(selected)
+
+}
+
+// Note: these are app codes, they are NOT related to fcast opcodes!
+const (
+	ActionPlay        = 0
+	ActionPause       = 1
+	ActionSkipBack    = 2
+	ActionSkipForward = 3
+	ActionStop        = 4
+	ActionVolumeUp    = 5
+	ActionVolumeDown  = 6
+	ArgsActionSeek    = 7 // seekTime
+
+	RespPlaybackUpdate = 0 // videoRuntime, currentTime
+)
+
+func (c *Controller) PlayerAction(action int, args ...float32) {
+	err := c.Model.PlayerAction(action, args...)
+	if err != nil {
+		c.LogAndShowError(fmt.Errorf("error performing action %v", err))
+	}
+}
+
+func (c *Controller) ExitCasting() {
+	c.PlayerAction(ActionStop)
+	c.DiscoverDevices()
+}
+
+func (c *Controller) ReceiverResponse(action int, args ...float32) {
+	c.View.UpdateCastingScreen(action, args...)
+}