Bug 1474925 - TimePicker swipe not possible in landscape; r=jchen

MozReview-Commit-ID: DVp6d40OLE3

--HG--
extra : rebase_source : 29ae6312d79cbed0cea128a7e42e38d769be7eab

mobile/android/base/java/org/mozilla/gecko/prompts/PromptInput.java

@@ -14,6 +14,7 @@ import org.mozilla.gecko.util.GeckoBundle;
 import org.mozilla.gecko.widget.AllCapsTextView;
 import org.mozilla.gecko.widget.FocusableDatePicker;
 import org.mozilla.gecko.widget.DateTimePicker;
+import org.mozilla.gecko.widget.FocusableTimePicker;
 
 import android.content.Context;
 import android.content.res.Configuration;
@@ -210,7 +211,8 @@ public abstract class PromptInput {
                                                           DateTimePicker.PickersState.WEEK, mMinValue, mMaxValue);
                 mView = (View)input;
             } else if (mType.equals("time")) {
-                TimePicker input = new TimePicker(context);
+                // FocusableDatePicker allow us to have priority in responding to scroll events.
+                TimePicker input = new FocusableTimePicker(context);
                 input.setIs24HourView(DateFormat.is24HourFormat(context));
 
                 GregorianCalendar calendar = new GregorianCalendar();

mobile/android/base/java/org/mozilla/gecko/widget/FocusableTimePicker.java

@@ -0,0 +1,49 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.widget;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.ViewParent;
+import android.widget.TimePicker;
+
+/**
+ * This is based on the platform's {@link TimePicker}.<br>
+ * The only difference is that it will prevent it's parent from receiving touch events.
+ */
+public class FocusableTimePicker extends TimePicker {
+    public FocusableTimePicker(Context context) {
+        super(context);
+    }
+
+    public FocusableTimePicker(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public FocusableTimePicker(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    @SuppressLint("NewApi")
+    public FocusableTimePicker(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    @Override
+    public boolean onInterceptTouchEvent(MotionEvent ev) {
+        ViewParent parentView = getParent();
+
+        if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {
+            if (parentView != null) {
+                parentView.requestDisallowInterceptTouchEvent(true);
+            }
+        }
+
+        return false;
+    }
+}