Fix mark as read being called when resuming from lock screen (fixes #19)

Signed-off-by: Daniele Ricci <[email protected]>

src/org/kontalk/ui/ComposeMessage.java

@@ -84,6 +84,11 @@ public class ComposeMessage extends ActionBarActivity {
     private TextView mTitleView;
     private TextView mSubtitleView;
 
+    /**
+     * True if the window has lost focus the last time
+     * {@link #onWindowFocusChanged} was called. */
+    private boolean mLostFocus;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -409,6 +414,26 @@ protected void onSaveInstanceState(Bundle out) {
         out.putParcelable(Uri.class.getName(), Threads.getUri(mFragment.getUserId()));
     }
 
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+
+        if (hasFocus) {
+            if (mLostFocus) {
+                mFragment.onFocus();
+                mLostFocus = false;
+            }
+        }
+    }
+
+    public void fragmentLostFocus() {
+        mLostFocus = true;
+    }
+
+    public boolean hasLostFocus() {
+        return mLostFocus;
+    }
+
     public Intent getSendIntent() {
         return sendIntent;
     }

src/org/kontalk/ui/ComposeMessageFragment.java

@@ -2069,9 +2069,15 @@ public void onResume() {
 			return;
 		}
 
+        ComposeMessage activity = getParentActivity();
+        if (activity == null || !activity.hasLostFocus() || activity.hasWindowFocus()) {
+            onFocus();
+        }
+	}
+
+	public void onFocus() {
 		// resume content watcher
-		if (mListAdapter != null)
-			mListAdapter.setOnContentChangedListener(mContentChangedListener);
+		resumeContentListener();
 
 		// we are updating the status now
 		setActivityStatusUpdating();
@@ -2098,8 +2104,12 @@ public void onPause() {
 		super.onPause();
 
 		// pause content watcher
-		if (mListAdapter != null)
-			mListAdapter.setOnContentChangedListener(null);
+		pauseContentListener();
+
+		// notify parent of pausing
+		ComposeMessage parent = getParentActivity();
+		if (parent != null)
+			parent.fragmentLostFocus();
 
 		CharSequence text = mTextEntry.getText();
 		int len = text.length();
@@ -2188,6 +2198,16 @@ public void onDestroy() {
 	    }
 	}
 
+	private void pauseContentListener() {
+		if (mListAdapter != null)
+			mListAdapter.setOnContentChangedListener(null);
+	}
+
+	private void resumeContentListener() {
+		if (mListAdapter != null)
+			mListAdapter.setOnContentChangedListener(mContentChangedListener);
+	}
+
 	public final boolean isFinishing() {
 		return (getActivity() == null || (getActivity() != null && getActivity()
 				.isFinishing())) || isRemoving();