From f1f07eae2d40f202a709af33ca1e8d86551c9ace Mon Sep 17 00:00:00 2001
From: BogDan Vatra <bogdan@kde.org>
Date: Sat, 22 Mar 2014 08:08:08 +0200
Subject: Android: Fix software keyboard show/hide state

Task-number: QTBUG-34831

Change-Id: Ic38334d011ceef2dc75e4fb3fcea48f62aeea757
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>
---
 .../qtproject/qt5/android/QtActivityDelegate.java  | 22 +++++++-----
 .../qtproject/qt5/android/QtInputConnection.java   | 39 ++++------------------
 2 files changed, 20 insertions(+), 41 deletions(-)

diff --git a/src/android/jar/src/org/qtproject/qt5/android/QtActivityDelegate.java b/src/android/jar/src/org/qtproject/qt5/android/QtActivityDelegate.java
index ea8e5cd44c..e62b5dab82 100644
--- a/src/android/jar/src/org/qtproject/qt5/android/QtActivityDelegate.java
+++ b/src/android/jar/src/org/qtproject/qt5/android/QtActivityDelegate.java
@@ -120,7 +120,7 @@ public class QtActivityDelegate
 
     private boolean m_keyboardIsVisible = false;
     public boolean m_backKeyPressedSent = false;
-
+    private long m_showHideTimeStamp = System.nanoTime();
 
     public void setFullScreen(boolean enterFullScreen)
     {
@@ -201,12 +201,18 @@ public class QtActivityDelegate
     private final int ApplicationInactive = 0x2;
     private final int ApplicationActive = 0x4;
 
-    public void setKeyboardVisibility(boolean visibility)
+
+    public boolean setKeyboardVisibility(boolean visibility, long timeStamp)
     {
+        if (m_showHideTimeStamp > timeStamp)
+            return false;
+        m_showHideTimeStamp = timeStamp;
+
         if (m_keyboardIsVisible == visibility)
-            return;
+            return false;
         m_keyboardIsVisible = visibility;
         QtNative.keyboardVisibilityChanged(m_keyboardIsVisible);
+        return true;
     }
     public void resetSoftwareKeyboard()
     {
@@ -304,11 +310,11 @@ public class QtActivityDelegate
                                 QtNativeInputConnection.updateCursorPosition();
                                 //FALLTHROUGH
                             case InputMethodManager.RESULT_UNCHANGED_SHOWN:
-                                setKeyboardVisibility(true);
+                                setKeyboardVisibility(true, System.nanoTime());
                                 break;
                             case InputMethodManager.RESULT_HIDDEN:
                             case InputMethodManager.RESULT_UNCHANGED_HIDDEN:
-                                setKeyboardVisibility(false);
+                                setKeyboardVisibility(false, System.nanoTime());
                                 break;
                         }
                     }
@@ -331,11 +337,11 @@ public class QtActivityDelegate
                 switch (resultCode) {
                     case InputMethodManager.RESULT_SHOWN:
                     case InputMethodManager.RESULT_UNCHANGED_SHOWN:
-                        setKeyboardVisibility(true);
+                        setKeyboardVisibility(true, System.nanoTime());
                         break;
                     case InputMethodManager.RESULT_HIDDEN:
                     case InputMethodManager.RESULT_UNCHANGED_HIDDEN:
-                        setKeyboardVisibility(false);
+                        setKeyboardVisibility(false, System.nanoTime());
                         break;
                 }
             }
@@ -827,7 +833,7 @@ public class QtActivityDelegate
 
         if (keyCode == KeyEvent.KEYCODE_BACK && !m_backKeyPressedSent) {
             hideSoftwareKeyboard();
-            setKeyboardVisibility(false);
+            setKeyboardVisibility(false, System.nanoTime());
             return true;
         }
 
diff --git a/src/android/jar/src/org/qtproject/qt5/android/QtInputConnection.java b/src/android/jar/src/org/qtproject/qt5/android/QtInputConnection.java
index 5e6e227c2b..655ab95dd8 100644
--- a/src/android/jar/src/org/qtproject/qt5/android/QtInputConnection.java
+++ b/src/android/jar/src/org/qtproject/qt5/android/QtInputConnection.java
@@ -82,18 +82,11 @@ class QtNativeInputConnection
 }
 
 class HideKeyboardRunnable implements Runnable {
-    private QtInputConnection m_connection;
-    HideKeyboardRunnable(QtInputConnection connection)
-    {
-        m_connection = connection;
-    }
+    private long m_hideTimeStamp = System.nanoTime();
 
     @Override
     public void run() {
-        if (m_connection.getInputState() == QtInputConnection.InputStates.Hiding) {
-            QtNative.activityDelegate().setKeyboardVisibility(false);
-            m_connection.reset();
-        }
+        QtNative.activityDelegate().setKeyboardVisibility(false, m_hideTimeStamp);
     }
 }
 
@@ -107,34 +100,14 @@ public class QtInputConnection extends BaseInputConnection
     private static final int ID_SWITCH_INPUT_METHOD = android.R.id.switchInputMethod;
     private static final int ID_ADD_TO_DICTIONARY = android.R.id.addToDictionary;
 
-
-    enum InputStates { Visible, FinishComposing, Hiding };
-
     private QtEditText m_view = null;
-    private InputStates m_inputState = InputStates.Visible;
-
-    public void reset()
-    {
-        m_inputState = InputStates.Visible;
-    }
-
-    public InputStates getInputState()
-    {
-        return m_inputState;
-    }
 
     private void setClosing(boolean closing)
     {
-        if (closing && m_inputState == InputStates.Hiding)
-            return;
-
-        if (closing && m_view.getActivityDelegate().isSoftwareKeyboardVisible()) {
-            m_view.postDelayed(new HideKeyboardRunnable(this), 100);
-            m_inputState = InputStates.Hiding;
+        if (closing) {
+            m_view.postDelayed(new HideKeyboardRunnable(), 100);
         } else {
-            if (m_inputState == InputStates.Hiding)
-                QtNative.activityDelegate().setKeyboardVisibility(true);
-            m_inputState = closing ? InputStates.FinishComposing : InputStates.Visible;
+            QtNative.activityDelegate().setKeyboardVisibility(true, System.nanoTime());
         }
     }
 
@@ -154,7 +127,7 @@ public class QtInputConnection extends BaseInputConnection
     @Override
     public boolean endBatchEdit()
     {
-//        setClosing(false);
+        setClosing(false);
         return true;
     }
 
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