Merge pull request #112 from leandroBorgesFerreira/set_progress_error_message

improving error message

Author: leandroBorgesFerreira

loading-button-android/src/main/java/br/com/simplepass/loadingbutton/customViews/CircularProgressButton.kt

@@ -167,7 +167,12 @@ open class CircularProgressButton : AppCompatButton, ProgressButton {
     }
 
     override fun setProgress(value: Float) {
-        progressAnimatedDrawable.progress = value
+        if (presenter.validateSetProgress()) {
+            progressAnimatedDrawable.progress = value
+        } else {
+            throw IllegalStateException("Set progress in being called in the wrong state: ${presenter.state}." +
+                " Allowed states: ${State.PROGRESS}, ${State.MORPHING}, ${State.WAITING_PROGRESS}")
+        }
     }
 
     data class InitialState(

loading-button-android/src/main/java/br/com/simplepass/loadingbutton/customViews/CircularProgressImageButton.kt

@@ -157,7 +157,12 @@ open class CircularProgressImageButton : AppCompatImageButton, ProgressButton {
     }
 
     override fun setProgress(value: Float) {
-        progressAnimatedDrawable.progress = value
+        if (presenter.validateSetProgress()) {
+            progressAnimatedDrawable.progress = value
+        } else {
+            throw IllegalStateException("Set progress in being called in the wrong state: ${presenter.state}." +
+                " Allowed states: ${State.PROGRESS}, ${State.MORPHING}, ${State.WAITING_PROGRESS}")
+        }
     }
 
     override fun setCompoundDrawables(left: Drawable?, top: Drawable?, right: Drawable?, bottom: Drawable?) {}

loading-button-android/src/main/java/br/com/simplepass/loadingbutton/presentation/ProgressButtonPresenter.kt

@@ -126,4 +126,7 @@ internal class ProgressButtonPresenter(private val view: ProgressButton) {
             else -> State.DONE
         }
     }
+
+    internal fun validateSetProgress(): Boolean =
+        state == State.PROGRESS || state == State.MORPHING || state == State.WAITING_PROGRESS
 }