Adding the (lost) buttons back upon disconnected calls, see b/11028671.

Change-Id: If4f48879bb9601484e69cb66fa0eb980ece53909

3 files changed, 21 insertions, 10 deletions

diff --git a/InCallUI/res/values/colors.xml b/InCallUI/res/values/colors.xml
index 9d149a472..53d8f527f 100644
--- a/InCallUI/res/values/colors.xml
+++ b/InCallUI/res/values/colors.xml
@@ -42,5 +42,5 @@
     <drawable name="end_call_pressed_state">#ff4e4e</drawable>
 
     <!-- Used when the End Call button is disabled -->
-    <drawable name="end_call_disabled_state">#00000000</drawable>
+    <drawable name="end_call_disabled_state">#303030</drawable>
 </resources>
diff --git a/InCallUI/src/com/android/incallui/CallButtonFragment.java b/InCallUI/src/com/android/incallui/CallButtonFragment.java
index 209869458..b0fdda18c 100644
--- a/InCallUI/src/com/android/incallui/CallButtonFragment.java
+++ b/InCallUI/src/com/android/incallui/CallButtonFragment.java
@@ -189,12 +189,23 @@ public class CallButtonFragment
     }
 
     @Override
-    public void setVisible(boolean on) {
-        if (on) {
-            getView().setVisibility(View.VISIBLE);
-        } else {
-            getView().setVisibility(View.INVISIBLE);
+    public void setEnabled(boolean isEnabled) {
+        View view = getView();
+        if (view.getVisibility() != View.VISIBLE) {
+            view.setVisibility(View.VISIBLE);
         }
+
+        // The main end-call button spanning across the screen.
+        mEndCallButton.setEnabled(isEnabled);
+
+        // The smaller buttons laid out horizontally just below the end-call button.
+        mMuteButton.setEnabled(isEnabled);
+        mAudioButton.setEnabled(isEnabled);
+        mHoldButton.setEnabled(isEnabled);
+        mShowDialpadButton.setEnabled(isEnabled);
+        mMergeButton.setEnabled(isEnabled);
+        mAddCallButton.setEnabled(isEnabled);
+        mSwapButton.setEnabled(isEnabled);
     }
 
     @Override
diff --git a/InCallUI/src/com/android/incallui/CallButtonPresenter.java b/InCallUI/src/com/android/incallui/CallButtonPresenter.java
index 6840a156d..36426302f 100644
--- a/InCallUI/src/com/android/incallui/CallButtonPresenter.java
+++ b/InCallUI/src/com/android/incallui/CallButtonPresenter.java
@@ -221,14 +221,14 @@ public class CallButtonPresenter extends Presenter<CallButtonPresenter.CallButto
             return;
         }
 
-        final boolean isVisible = state.isConnectingOrConnected() &&
+        final boolean isEnabled = state.isConnectingOrConnected() &&
                 !state.isIncoming() && call != null;
 
-        ui.setVisible(isVisible);
+        ui.setEnabled(isEnabled);
 
         Log.d(this, "Updating call UI for call: ", call);
 
-        if (isVisible) {
+        if (isEnabled) {
             Log.v(this, "Show hold ", call.can(Capabilities.SUPPORT_HOLD));
             Log.v(this, "Enable hold", call.can(Capabilities.HOLD));
             Log.v(this, "Show merge ", call.can(Capabilities.MERGE_CALLS));
@@ -335,7 +335,7 @@ public class CallButtonPresenter extends Presenter<CallButtonPresenter.CallButto
     }
 
     public interface CallButtonUi extends Ui {
-        void setVisible(boolean on);
+        void setEnabled(boolean on);
         void setMute(boolean on);
         void enableMute(boolean enabled);
         void setHold(boolean on);