Android: Fix menu on API-11+

On API-11+ if there is no hardware menu button show the action bar.
Fix menu when using the opengl android plugin.

Task-number: QTBUG-32002

Change-Id: I45bd49107621e4cab85eb6411897229e20bb8281
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
Reviewed-by: BogDan Vatra <bogdan@kde.org>

src/android/jar/src/org/qtproject/qt5/android/QtActivityDelegate.java

@@ -63,6 +63,7 @@ import android.view.Menu;
 import android.view.MenuItem;
 import android.view.Surface;
 import android.view.View;
+import android.view.ViewConfiguration;
 import android.view.ViewGroup;
 import android.view.WindowManager;
 import android.view.inputmethod.InputMethodManager;
@@ -406,6 +407,7 @@ public class QtActivityDelegate
             m_applicationParameters = loaderParams.getString(APPLICATION_PARAMETERS_KEY);
         else
             m_applicationParameters = "";
+        setActionBarVisibility(false);
 
         return true;
     }
@@ -615,7 +617,7 @@ public class QtActivityDelegate
         m_surface = new QtSurface(m_activity, 0);
         m_editText = new QtEditText(m_activity, this);
         m_imm = (InputMethodManager)m_activity.getSystemService(Context.INPUT_METHOD_SERVICE);
-        m_layout.addView(m_surface,0);
+        m_layout.addView(m_surface, 0);
         m_activity.setContentView(m_layout,
                                   new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT,
                                                              ViewGroup.LayoutParams.FILL_PARENT));
@@ -808,7 +810,10 @@ public class QtActivityDelegate
     public boolean onPrepareOptionsMenu(Menu menu)
     {
         m_opionsMenuIsVisible = true;
-        return QtNative.onPrepareOptionsMenu(menu);
+        boolean res = QtNative.onPrepareOptionsMenu(menu);
+        if (!res || menu.size() == 0)
+            setActionBarVisibility(false);
+        return res;
     }
 
     public boolean onOptionsItemSelected(MenuItem item)
@@ -824,8 +829,17 @@ public class QtActivityDelegate
 
     public void resetOptionsMenu()
     {
-        if (m_opionsMenuIsVisible)
+        setActionBarVisibility(true);
-            m_activity.closeOptionsMenu();
+        if (Build.VERSION.SDK_INT > 10) {
+            try {
+                Activity.class.getMethod("invalidateOptionsMenu").invoke(m_activity);
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+        else
+            if (m_opionsMenuIsVisible)
+                m_activity.closeOptionsMenu();
     }
     private boolean m_contextMenuVisible = false;
     public void onCreateContextMenu(ContextMenu menu,
@@ -866,4 +880,46 @@ public class QtActivityDelegate
     {
         m_activity.closeContextMenu();
     }
+
+    private boolean hasPermanentMenuKey()
+    {
+        try {
+            return Build.VERSION.SDK_INT < 11 || (Build.VERSION.SDK_INT >= 14 &&
+                    (Boolean)ViewConfiguration.class.getMethod("hasPermanentMenuKey").invoke(ViewConfiguration.get(m_activity)));
+        } catch (Exception e) {
+            e.printStackTrace();
+            return false;
+        }
+    }
+
+    private Object getActionBar()
+    {
+        try {
+            return Activity.class.getMethod("getActionBar").invoke(m_activity);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    private void setActionBarVisibility(boolean visible)
+    {
+        if (hasPermanentMenuKey() || !visible) {
+            if (Build.VERSION.SDK_INT > 10 && getActionBar() != null) {
+                try {
+                    Class.forName("android.app.ActionBar").getMethod("hide").invoke(getActionBar());
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+
+        } else {
+            if (Build.VERSION.SDK_INT > 10 && getActionBar() != null)
+                try {
+                    Class.forName("android.app.ActionBar").getMethod("show").invoke(getActionBar());
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+        }
+    }
 }

src/android/java/src/org/qtproject/qt5/android/bindings/QtActivity.java

@@ -80,6 +80,7 @@ import android.view.ActionMode;
 import android.view.ActionMode.Callback;
 //@ANDROID-11
 
+
 public class QtActivity extends Activity
 {
     private final static int MINISTRO_INSTALL_REQUEST_CODE = 0xf3ee; // request code used to know when Ministro instalation is finished
@@ -714,13 +715,25 @@ public class QtActivity extends Activity
         } catch (Exception e) {
             e.printStackTrace();
         }
+
+        if (Build.VERSION.SDK_INT > 10) {
+            try {
+                requestWindowFeature(Window.class.getField("FEATURE_ACTION_BAR").getInt(null));
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        } else {
+            requestWindowFeature(Window.FEATURE_NO_TITLE);
+        }
+
         if (QtApplication.m_delegateObject != null && QtApplication.onCreate != null) {
             QtApplication.invokeDelegateMethod(QtApplication.onCreate, savedInstanceState);
             return;
         }
+
         ENVIRONMENT_VARIABLES += "\tQT_ANDROID_THEME=" + QT_ANDROID_DEFAULT_THEME
                               + "/\tQT_ANDROID_THEME_DISPLAY_DPI=" + getResources().getDisplayMetrics().densityDpi + "\t";
-        requestWindowFeature(Window.FEATURE_NO_TITLE);
+
         try {
             m_activityInfo = getPackageManager().getActivityInfo(getComponentName(), PackageManager.GET_META_DATA);
         } catch (NameNotFoundException e) {

src/plugins/platforms/android/src/androidjnimenu.cpp

@@ -41,13 +41,14 @@
 
 #include "androidjnimenu.h"
 #include "androidjnimain.h"
-#include <qmutex.h>
-#include <qset.h>
-#include <qqueue.h>
-#include <android/log.h>
 #include "qandroidplatformmenubar.h"
 #include "qandroidplatformmenu.h"
-#include <qandroidplatformmenuitem.h>
+#include "qandroidplatformmenuitem.h"
+
+#include <QMutex>
+#include <QSet>
+#include <QQueue>
+#include <QWindow>
 
 using namespace QtAndroid;
 
@@ -141,18 +142,17 @@ namespace QtAndroidMenu
 
     void setActiveTopLevelWindow(QWindow *window)
     {
+        Qt::WindowFlags flags = window->flags();
+        bool isNonRegularWindow = flags & (Qt::Desktop | Qt::Popup | Qt::Dialog | Qt::Sheet) & ~Qt::Window;
+        if (isNonRegularWindow)
+            return;
+
         QMutexLocker lock(&menuBarMutex);
         if (activeTopLevelWindow == window)
             return;
 
         visibleMenuBar = 0;
         activeTopLevelWindow = window;
-#ifdef ANDROID_PLUGIN_OPENGL
-        //only one toplevel window, so the menu bar always belongs to us
-        if (menuBars.size() == 1) {
-            visibleMenuBar = *menuBars.constBegin(); //since QSet doesn't have first()
-        } else
-#endif
         foreach (QAndroidPlatformMenuBar *menuBar, menuBars) {
             if (menuBar->parentWindow() == window) {
                 visibleMenuBar = menuBar;
@@ -173,8 +173,10 @@ namespace QtAndroidMenu
     {
         QMutexLocker lock(&menuBarMutex);
         menuBars.remove(menuBar);
-        if (visibleMenuBar == menuBar)
+        if (visibleMenuBar == menuBar) {
+            visibleMenuBar = 0;
             resetMenuBar();
+        }
     }
 
     static QString removeAmpersandEscapes(QString s)

src/plugins/platforms/android/src/opengl/qandroidopenglplatformscreen.cpp

@@ -41,6 +41,7 @@
 
 #include "qandroidopenglplatformscreen.h"
 #include "qandroidopenglplatformwindow.h"
+#include "androidjnimenu.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -51,6 +52,7 @@ QAndroidOpenGLPlatformScreen::QAndroidOpenGLPlatformScreen(EGLDisplay display)
 
 void QAndroidOpenGLPlatformScreen::topWindowChanged(QPlatformWindow *window)
 {
+    QtAndroidMenu::setActiveTopLevelWindow(window->window());
     QAndroidOpenGLPlatformWindow *platformWindow = static_cast<QAndroidOpenGLPlatformWindow *>(window);
     if (platformWindow != 0)
         platformWindow->updateStatusBarVisibility();

src/plugins/platforms/android/src/qandroidplatformmenubar.cpp

@@ -79,6 +79,8 @@ void QAndroidPlatformMenuBar::syncMenu(QPlatformMenu *menu)
 
 void QAndroidPlatformMenuBar::handleReparent(QWindow *newParentWindow)
 {
+    if (m_parentWindow == newParentWindow)
+        return;
     m_parentWindow = newParentWindow;
     QtAndroidMenu::setMenuBar(this, newParentWindow);
 }