use darker blue for 'pressed' state

But first, I had to prevent using a custom 'mSelected' state from
bypassing the usual selector. Now, the 'selected' state corresponds with
whether an item is in the selection set.

Bug: 8853914
Change-Id: I3b564c92d5e3697a10b70fe1af5e5ed9f56c3e15
diff --git a/res/drawable/conversation_read_selector.xml b/res/drawable/conversation_read_selector.xml
index cfd1c45..a1ca64a 100644
--- a/res/drawable/conversation_read_selector.xml
+++ b/res/drawable/conversation_read_selector.xml
@@ -17,7 +17,7 @@
 -->
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:state_pressed="true"
-          android:drawable="@drawable/list_checked_holo" />
+          android:drawable="@drawable/list_activated_holo" />
     <item android:state_selected="true"
           android:drawable="@drawable/list_checked_holo" />
     <item android:state_activated="true"
diff --git a/res/drawable/conversation_unread_selector.xml b/res/drawable/conversation_unread_selector.xml
index 176af6a..e69b57c 100644
--- a/res/drawable/conversation_unread_selector.xml
+++ b/res/drawable/conversation_unread_selector.xml
@@ -17,7 +17,7 @@
 -->
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:state_pressed="true"
-          android:drawable="@drawable/list_checked_holo" />
+          android:drawable="@drawable/list_activated_holo" />
     <item android:state_selected="true"
           android:drawable="@drawable/list_checked_holo" />
     <item android:state_activated="true"
diff --git a/src/com/android/mail/browse/ConversationItemView.java b/src/com/android/mail/browse/ConversationItemView.java
index c7c8257..7886fd5 100644
--- a/src/com/android/mail/browse/ConversationItemView.java
+++ b/src/com/android/mail/browse/ConversationItemView.java
@@ -629,6 +629,7 @@
         if (mSelectedConversationSet != null) {
             mSelected = mSelectedConversationSet.contains(mHeader.conversation);
         }
+        setSelected(mSelected);
         mHeader.gadgetMode = mGadgetMode;
 
         final boolean isUnread = mHeader.unread;
@@ -1234,17 +1235,9 @@
     private void updateBackground(boolean isUnread) {
         final int background;
         if (isUnread) {
-            if (mSelected) {
-                background = R.drawable.list_checked_holo;
-            } else {
-                background = R.drawable.conversation_unread_selector;
-            }
+            background = R.drawable.conversation_unread_selector;
         } else {
-            if (mSelected) {
-                background = R.drawable.list_checked_holo;
-            } else {
-                background = R.drawable.conversation_read_selector;
-            }
+            background = R.drawable.conversation_read_selector;
         }
         setBackgroundResource(background);
     }
@@ -1267,6 +1260,7 @@
     public void toggleSelectedState() {
         if (mHeader != null && mHeader.conversation != null) {
             mSelected = !mSelected;
+            setSelected(mSelected);
             Conversation conv = mHeader.conversation;
             // Set the list position of this item in the conversation
             SwipeableListView listView = getListView();