Disable call blocking after emergency call.

Will be disabled for 48 hours after an emergency call.

+ Add utility for noting last time of an emergency call.
+ Add utility for comparing current time to last time of an
emergency call.
+ If current time is within 48 hours of emergency call, display
text in settings explaining why call blocking is disabled.

Bug: 24418319
Change-Id: I6824340f04fae17b73f17843a9f6ef991afa0327

4 files changed, 41 insertions, 12 deletions

diff --git a/res/layout/blocked_number_fragment.xml b/res/layout/blocked_number_fragment.xml
index b98b58fc5..7aff06ec7 100644
--- a/res/layout/blocked_number_fragment.xml
+++ b/res/layout/blocked_number_fragment.xml
@@ -27,12 +27,4 @@
         android:divider="@null"
         android:headerDividersEnabled="false" />
 
-    <TextView android:id="@android:id/empty"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:paddingStart="@dimen/blocked_number_horizontal_margin"
-        android:paddingTop="@dimen/blocked_number_top_margin"
-        android:paddingBottom="@dimen/blocked_number_bottom_margin"
-        android:text="@string/listNoBlockedNumbers" />
-
 </LinearLayout>
diff --git a/res/layout/blocked_number_header.xml b/res/layout/blocked_number_header.xml
index 3fcdf398b..ce1d4feab 100644
--- a/res/layout/blocked_number_header.xml
+++ b/res/layout/blocked_number_header.xml
@@ -19,6 +19,31 @@
     android:layout_height="wrap_content"
     android:orientation="vertical">
 
+    <LinearLayout android:id="@+id/blocked_numbers_disabled_for_emergency"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:layout_marginBottom="8dp"
+        android:padding="16dp"
+        android:visibility="gone">
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/blocked_numbers_disabled_emergency_header_label"
+            android:textStyle="bold"
+            android:textColor="@color/blocked_number_disabled_emergency_header_color"
+            style="@style/BlockedNumbersDescriptionTextStyle" />
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/blocked_numbers_disabled_emergency_desc"
+            style="@style/BlockedNumbersDescriptionTextStyle" />
+
+    </LinearLayout>
+
+
     <android.support.v7.widget.CardView
         android:id="@+id/hide_blocked_calls_setting"
         android:layout_width="match_parent"
diff --git a/res/values/colors.xml b/res/values/colors.xml
index bf7bfb235..d8d0de4b9 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -132,6 +132,7 @@
     <color name="blocked_number_accent_color">#42A5F5</color>
     <color name="blocked_number_block_color">#F44336</color>
     <color name="blocked_number_header_color">@color/dialer_theme_color</color>
+    <color name="blocked_number_disabled_emergency_header_color">#616161</color>
 
     <!-- Colors for onboarding flow -->
     <color name="onboarding_primary_text_color">#ffffff</color>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 9c70dd46a..df8d0faef 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -826,6 +826,21 @@
     <!-- Label for the blocked numbers settings section [CHAR LIMIT=30] -->
     <string name="manage_blocked_numbers_label">Blocked numbers</string>
 
+    <!-- Label for a section describing that call blocking is temporarily disabled because an
+         emergency call was made. [CHAR LIMIT=40] -->
+    <string name="blocked_numbers_disabled_emergency_header_label">
+        Call blocking temporarily off
+    </string>
+
+    <!-- Description that call blocking is temporarily disabled because the user called an
+         emergency number, and explains that call blocking will be re-enabled after a buffer
+         period has passed. [CHAR LIMIT=NONE] -->
+    <string name="blocked_numbers_disabled_emergency_desc">
+        Call blocking has been disabled because you contacted emergency services from this phone
+        within the last 48 hours. It will be automatically reenabled once the 48 hour period
+        expires.
+    </string>
+
     <!-- Label for fragment to import numbers from contacts marked as send to voicemail.
          [CHAR_LIMIT=30] -->
     <string name="import_send_to_voicemail_numbers_label">Import numbers</string>
@@ -859,10 +874,6 @@
         [CHAR LIMIT=NONE]-->
     <string name="description_blocked_number_list_delete">Unblock number</string>
 
-    <!-- Displayed in the blocked numbers list when there are no blocked numbers.
-        [CHAR LIMIT=NONE] -->
-    <string name="listNoBlockedNumbers">No blocked numbers</string>
-
     <!-- Button to bring up UI to add a number to the blocked call list. [CHAR LIMIT=40] -->
     <string name="blockNumber">Add number</string>