Disable quick capture on popup

Closes #3568
// FREEBIE

src/org/thoughtcrime/securesms/ConversationActivity.java

@@ -180,7 +180,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
   private   BroadcastReceiver             groupUpdateReceiver;
   private   Optional<EmojiPopup>          emojiPopup = Optional.absent();
   private   EmojiToggle                   emojiToggle;
-  private HidingImageButton             quickAttachmentToggle;
+  protected HidingImageButton             quickAttachmentToggle;
   private   QuickAttachmentDrawer         quickAttachmentDrawer;
 
   private Recipients recipients;
@@ -848,7 +848,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       quickAttachmentDrawer.setListener(this);
       quickAttachmentToggle.setOnClickListener(new QuickAttachmentToggleListener());
     } else {
-      quickAttachmentToggle.setVisibility(View.GONE);
+      quickAttachmentToggle.disable();
     }
   }
 

src/org/thoughtcrime/securesms/ConversationPopupActivity.java

@@ -56,6 +56,7 @@ public class ConversationPopupActivity extends ConversationActivity {
   protected void onResume() {
     super.onResume();
     composeText.requestFocus();
+    quickAttachmentToggle.disable();
   }
 
   @Override

src/org/thoughtcrime/securesms/components/camera/HidingImageButton.java

@@ -26,6 +26,7 @@ public class HidingImageButton extends ImageButton {
   }
 
   public void hide() {
+    if (!isEnabled()) return;
     final Animation animation = AnimationUtils.loadAnimation(getContext(), R.anim.slide_to_right);
     animation.setAnimationListener(new AnimationListener() {
       @Override public void onAnimationStart(Animation animation) {}
@@ -38,6 +39,7 @@ public class HidingImageButton extends ImageButton {
   }
 
   public void show() {
+    if (!isEnabled()) return;
     setVisibility(VISIBLE);
     animateWith(AnimationUtils.loadAnimation(getContext(), R.anim.slide_from_right));
   }
@@ -47,4 +49,9 @@ public class HidingImageButton extends ImageButton {
     animation.setInterpolator(new FastOutSlowInInterpolator());
     startAnimation(animation);
   }
+
+  public void disable() {
+    setVisibility(GONE);
+    setEnabled(false);
+  }
 }