1 files changed, 164 insertions, 0 deletions
diff --git a/src/android/java/src/org/qtproject/qt/android/bindings/QtApplication.java b/src/android/java/src/org/qtproject/qt/android/bindings/QtApplication.java
new file mode 100644
index 0000000000..34a3bc28ea
--- /dev/null
+++ b/src/android/java/src/org/qtproject/qt/android/bindings/QtApplication.java
@@ -0,0 +1,164 @@
+/*
+    Copyright (c) 2016, BogDan Vatra <bogdan@kde.org>
+    Contact: http://www.qt.io/licensing/
+
+    Commercial License Usage
+    Licensees holding valid commercial Qt licenses may use this file in
+    accordance with the commercial license agreement provided with the
+    Software or, alternatively, in accordance with the terms contained in
+    a written agreement between you and The Qt Company. For licensing terms
+    and conditions see http://www.qt.io/terms-conditions. For further
+    information use the contact form at http://www.qt.io/contact-us.
+
+    BSD License Usage
+    Alternatively, this file may be used under the BSD license as follows:
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+package org.qtproject.qt.android.bindings;
+
+import android.app.Application;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.HashMap;
+
+public class QtApplication extends Application
+{
+    public final static String QtTAG = "Qt";
+    public static Object m_delegateObject = null;
+    public static HashMap<String, ArrayList<Method>> m_delegateMethods= new HashMap<String, ArrayList<Method>>();
+    public static Method dispatchKeyEvent = null;
+    public static Method dispatchPopulateAccessibilityEvent = null;
+    public static Method dispatchTouchEvent = null;
+    public static Method dispatchTrackballEvent = null;
+    public static Method onKeyDown = null;
+    public static Method onKeyMultiple = null;
+    public static Method onKeyUp = null;
+    public static Method onTouchEvent = null;
+    public static Method onTrackballEvent = null;
+    public static Method onActivityResult = null;
+    public static Method onCreate = null;
+    public static Method onKeyLongPress = null;
+    public static Method dispatchKeyShortcutEvent = null;
+    public static Method onKeyShortcut = null;
+    public static Method dispatchGenericMotionEvent = null;
+    public static Method onGenericMotionEvent = null;
+    public static Method onRequestPermissionsResult = null;
+    private static String activityClassName;
+    public static void setQtContextDelegate(Class<?> clazz, Object listener)
+    {
+        m_delegateObject = listener;
+        activityClassName = clazz.getCanonicalName();
+
+        ArrayList<Method> delegateMethods = new ArrayList<Method>();
+        for (Method m : listener.getClass().getMethods()) {
+            if (m.getDeclaringClass().getName().startsWith("org.qtproject.qt.android"))
+                delegateMethods.add(m);
+        }
+
+        ArrayList<Field> applicationFields = new ArrayList<Field>();
+        for (Field f : QtApplication.class.getFields()) {
+            if (f.getDeclaringClass().getName().equals(QtApplication.class.getName()))
+                applicationFields.add(f);
+        }
+
+        for (Method delegateMethod : delegateMethods) {
+            try {
+                clazz.getDeclaredMethod(delegateMethod.getName(), delegateMethod.getParameterTypes());
+                if (QtApplication.m_delegateMethods.containsKey(delegateMethod.getName())) {
+                    QtApplication.m_delegateMethods.get(delegateMethod.getName()).add(delegateMethod);
+                } else {
+                    ArrayList<Method> delegateSet = new ArrayList<Method>();
+                    delegateSet.add(delegateMethod);
+                    QtApplication.m_delegateMethods.put(delegateMethod.getName(), delegateSet);
+                }
+                for (Field applicationField:applicationFields) {
+                    if (applicationField.getName().equals(delegateMethod.getName())) {
+                        try {
+                            applicationField.set(null, delegateMethod);
+                        } catch (Exception e) {
+                            e.printStackTrace();
+                        }
+                    }
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    @Override
+    public void onTerminate() {
+        if (m_delegateObject != null && m_delegateMethods.containsKey("onTerminate"))
+            invokeDelegateMethod(m_delegateMethods.get("onTerminate").get(0));
+        super.onTerminate();
+    }
+
+    public static class InvokeResult
+    {
+        public boolean invoked = false;
+        public Object methodReturns = null;
+    }
+
+    private static int stackDeep=-1;
+    public static InvokeResult invokeDelegate(Object... args)
+    {
+        InvokeResult result = new InvokeResult();
+        if (m_delegateObject == null)
+            return result;
+        StackTraceElement[] elements = Thread.currentThread().getStackTrace();
+        if (-1 == stackDeep) {
+            for (int it=0;it<elements.length;it++)
+                if (elements[it].getClassName().equals(activityClassName)) {
+                    stackDeep = it;
+                    break;
+                }
+        }
+        if (-1 == stackDeep)
+            return result;
+
+        final String methodName=elements[stackDeep].getMethodName();
+        if (!m_delegateMethods.containsKey(methodName))
+            return result;
+
+        for (Method m : m_delegateMethods.get(methodName)) {
+            if (m.getParameterTypes().length == args.length) {
+                result.methodReturns = invokeDelegateMethod(m, args);
+                result.invoked = true;
+                return result;
+            }
+        }
+        return result;
+    }
+
+    public static Object invokeDelegateMethod(Method m, Object... args)
+    {
+        try {
+            return m.invoke(m_delegateObject, args);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+}