Merge "Translate FAB up and down when Snackbar appears and disappears." into ub-contactsdialer-a-dev

2 files changed, 53 insertions, 3 deletions

diff --git a/src/com/android/dialer/DialtactsActivity.java b/src/com/android/dialer/DialtactsActivity.java
index 786acab1a..d5dfa94d0 100644
--- a/src/com/android/dialer/DialtactsActivity.java
+++ b/src/com/android/dialer/DialtactsActivity.java
@@ -30,6 +30,7 @@ import android.os.Bundle;
 import android.os.Trace;
 import android.provider.CallLog.Calls;
 import android.speech.RecognizerIntent;
+import android.support.design.widget.CoordinatorLayout;
 import android.support.v4.view.ViewPager;
 import android.support.v7.app.ActionBar;
 import android.telecom.PhoneAccount;
@@ -52,7 +53,6 @@ import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 import android.widget.AbsListView.OnScrollListener;
 import android.widget.EditText;
-import android.widget.FrameLayout;
 import android.widget.ImageButton;
 import android.widget.PopupMenu;
 import android.widget.TextView;
@@ -139,7 +139,7 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
 
     private static final int FAB_SCALE_IN_DELAY_MS = 300;
 
-    private FrameLayout mParentLayout;
+    private CoordinatorLayout mParentLayout;
 
     /**
      * Fragment containing the dialpad that slides into view
@@ -464,7 +464,7 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
         mSlideIn.setAnimationListener(mSlideInListener);
         mSlideOut.setAnimationListener(mSlideOutListener);
 
-        mParentLayout = (FrameLayout) findViewById(R.id.dialtacts_mainlayout);
+        mParentLayout = (CoordinatorLayout) findViewById(R.id.dialtacts_mainlayout);
         mParentLayout.setOnDragListener(new LayoutOnDragListener());
         floatingActionButtonContainer.getViewTreeObserver().addOnGlobalLayoutListener(
                 new ViewTreeObserver.OnGlobalLayoutListener() {
diff --git a/src/com/android/dialer/FloatingActionButtonBehavior.java b/src/com/android/dialer/FloatingActionButtonBehavior.java
new file mode 100644
index 000000000..8a407bd61
--- /dev/null
+++ b/src/com/android/dialer/FloatingActionButtonBehavior.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.dialer;
+
+import android.content.Context;
+import android.support.design.widget.CoordinatorLayout;
+import android.support.design.widget.Snackbar.SnackbarLayout;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.FrameLayout;
+
+/**
+ * Implements custom behavior for the movement of the FAB in response to the Snackbar.
+ * Because we are not using the design framework FloatingActionButton widget, we need to manually
+ * implement the Material Design behavior of having the FAB translate upward and downward with
+ * the appearance and disappearance of a Snackbar.
+ */
+public class FloatingActionButtonBehavior extends CoordinatorLayout.Behavior<FrameLayout> {
+    public FloatingActionButtonBehavior(Context context, AttributeSet attrs) {
+    }
+
+    @Override
+    public boolean layoutDependsOn(CoordinatorLayout parent, FrameLayout child, View dependency) {
+        // This needs to return true to trigger the callback correctly.
+        return true;
+    }
+
+    @Override
+    public boolean onDependentViewChanged(CoordinatorLayout parent, FrameLayout child,
+            View dependency) {
+        if (dependency instanceof SnackbarLayout) {
+            float translationY = Math.min(0, dependency.getTranslationY() - dependency.getHeight());
+            child.setTranslationY(translationY);
+        }
+        return true;
+    }
+}