From fa6d1c3cc9cc049a062d9308b4f4042df2ecfbab Mon Sep 17 00:00:00 2001
From: Santos Cordon <santoscordon@google.com>
Date: Wed, 7 Aug 2013 21:26:49 -0700
Subject: Show/Hide HOLD depending on phone capabilities.

Change-Id: I9fc00175d214668e59058a9b0983019457134b12
---
 .../com/android/incallui/CallButtonFragment.java   |  5 +++++
 .../com/android/incallui/CallButtonPresenter.java  | 24 ++++++++++++++++++----
 2 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/InCallUI/src/com/android/incallui/CallButtonFragment.java b/InCallUI/src/com/android/incallui/CallButtonFragment.java
index 1b9465de7..a5350da08 100644
--- a/InCallUI/src/com/android/incallui/CallButtonFragment.java
+++ b/InCallUI/src/com/android/incallui/CallButtonFragment.java
@@ -142,6 +142,11 @@ public class CallButtonFragment extends BaseFragment<CallButtonPresenter>
         mHoldButton.setChecked(value);
     }
 
+    @Override
+    public void showHold(boolean show) {
+        mHoldButton.setVisibility(show ? View.VISIBLE : View.GONE);
+    }
+
     @Override
     public void setAudio(int mode) {
     }
diff --git a/InCallUI/src/com/android/incallui/CallButtonPresenter.java b/InCallUI/src/com/android/incallui/CallButtonPresenter.java
index 12f27c81f..bb2484747 100644
--- a/InCallUI/src/com/android/incallui/CallButtonPresenter.java
+++ b/InCallUI/src/com/android/incallui/CallButtonPresenter.java
@@ -23,6 +23,7 @@ import com.android.incallui.InCallPresenter.InCallState;
 import com.android.incallui.InCallPresenter.InCallStateListener;
 import com.android.services.telephony.common.AudioMode;
 import com.android.services.telephony.common.Call;
+import com.android.services.telephony.common.Call.Capabilities;
 
 /**
  * Logic for call buttons.
@@ -54,10 +55,6 @@ public class CallButtonPresenter extends Presenter<CallButtonPresenter.CallButto
 
     @Override
     public void onStateChange(InCallState state, CallList callList) {
-        final boolean isVisible = state.isConnectingOrConnected() &&
-                !state.isIncoming();
-
-        getUi().setVisible(isVisible);
 
         if (state == InCallState.OUTGOING) {
             mCall = callList.getOutgoingCall();
@@ -66,6 +63,8 @@ public class CallButtonPresenter extends Presenter<CallButtonPresenter.CallButto
         } else {
             mCall = null;
         }
+
+        updateUi(state, mCall);
     }
 
     @Override
@@ -152,10 +151,27 @@ public class CallButtonPresenter extends Presenter<CallButtonPresenter.CallButto
         getUi().displayDialpad(checked);
     }
 
+    private void updateUi(InCallState state, Call call) {
+        final CallButtonUi ui = getUi();
+        if (ui == null) {
+            return;
+        }
+
+        final boolean isVisible = state.isConnectingOrConnected() &&
+                !state.isIncoming();
+
+        getUi().setVisible(isVisible);
+
+        if (call != null) {
+            getUi().showHold(call.can(Capabilities.HOLD));
+        }
+    }
+
     public interface CallButtonUi extends Ui {
         void setVisible(boolean on);
         void setMute(boolean on);
         void setHold(boolean on);
+        void showHold(boolean show);
         void displayDialpad(boolean on);
         void setAudio(int mode);
         void setSupportedAudio(int mask);
-- 
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