Android: Fix crash when deleting peer on touch event

Author: reuk

modules/juce_gui_basics/native/juce_Windowing_android.cpp

@@ -1762,6 +1762,8 @@ class AndroidComponentPeer final : public ComponentPeer,
         if (touchesDown == 0)
             ModifierKeys::currentModifiers = ModifierKeys::currentModifiers.withoutMouseButtons();
 
+        WeakReference self { this };
+
         handleMouseEvent (MouseInputSource::InputSourceType::touch,
                           pos,
                           ModifierKeys::currentModifiers.withoutMouseButtons(),
@@ -1771,6 +1773,9 @@ class AndroidComponentPeer final : public ComponentPeer,
                           {},
                           index);
 
+        if (self == nullptr)
+            return;
+
         handleMouseEvent (MouseInputSource::InputSourceType::touch,
                           MouseInputSource::offscreenMousePos,
                           ModifierKeys::currentModifiers.withoutMouseButtons(),
@@ -2541,6 +2546,7 @@ class AndroidComponentPeer final : public ComponentPeer,
 
     //==============================================================================
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AndroidComponentPeer)
+    JUCE_DECLARE_WEAK_REFERENCEABLE (AndroidComponentPeer)
 };
 
 //==============================================================================