[feat] only show donate dialog after first connect when due

- Cloases: #470

CHANGELOG

@@ -4,4 +4,5 @@
 - First iteration of the gateway selector.
 - Allow to select obfs4 gateways (bridges) to bypass censorship.
 - Ability to define explicitly allowed addresses for local networks.
-- Update translations. New locales: greek, farsi, hungarian, dutch, polish and uyghur.
+- Make the donate dialog less intrusive (#470)
+- Updated translations. New locales: greek, farsi, hungarian, dutch, polish and uyghur.

gui/qml/VpnState.qml

@@ -48,6 +48,12 @@ StateGroup {
                 script: {
                     Logic.setNeedsReconnect(false);
                     brReconnect = false;
+
+                    if (needsDonate && !shownDonate) {
+                        donate.visible = true;
+                        shownDonate = true;
+                        backend.donateSeen();
+                    }
                 }
 
             }

gui/qml/logic.js

-let status = 'off';
-let needsReconnect = false;
+var status = 'off';
+var needsReconnect = false;
+
+function setNeedsReconnect(val) {
+    needsReconnect = val;
+}
+
+function getNeedsReconnect() {
+    return needsReconnect;
+}
 
 function setStatus(st) {
     status = st;
@@ -9,12 +17,8 @@ function getStatus() {
     return status;
 }
 
-function setNeedsReconnect(val) {
-    needsReconnect = val;
-}
-
-function getNeedsReconnect() {
-    return needsReconnect;
+function setNeedsDonate(val) {
+    needsDonate = val;
 }
 
 function toHuman(st) {

gui/qml/main.qml

@@ -21,7 +21,8 @@ ApplicationWindow {
     property var loginDone
     property var allowEmptyPass
     property var needsRestart
-
+    property var needsDonate
+    property var shownDonate
 
     onSceneGraphError: function(error, msg) {
         console.debug("ERROR while initializing scene")
@@ -189,9 +190,7 @@ ApplicationWindow {
             gwSelector.model = Object.keys(ctx.locations)
 
             if (ctx.donateDialog == 'true') {
-                console.debug(jsonModel.getJson())
-                donate.visible = true
-                backend.donateSeen()
+                Logic.setNeedsDonate(true);
             }
             if (ctx.loginDialog == 'true') {
                 console.debug(jsonModel.getJson())
@@ -276,6 +275,7 @@ ApplicationWindow {
         loginDone = false
         allowEmptyPass = Logic.shouldAllowEmptyPass(providers)
         needsRestart = false;
+        shownDonate = false;
         if (!systrayAvailable) {
           app.visible = true
           app.raise()

pkg/backend/donate.go

@@ -15,6 +15,8 @@ func runDonationReminder() {
 			}
 		}
 	}()
+	// to test manually, uncomment this line.
+	// time.AfterFunc(1*time.Minute, func() { showDonate() })
 }
 
 func needsDonationReminder() bool {