Action button improvements:

  - Horizontal layout
  - At most 2 are shown
  - Tombstones are now shown (if the intent is null, the
    button is disabled; use it for quick feedback of an
    action's effect)

Bug: 6418617 (tombstones)
Bug: 6482237 (action separators)
Change-Id: Ie0c613006227bbfe1c0ec6eab1cda4f3782a05f2

8 files changed, 71 insertions, 52 deletions

diff --git a/core/java/android/app/Notification.java b/core/java/android/app/Notification.java
index 0c47069..6d3aa98 100644
--- a/core/java/android/app/Notification.java
+++ b/core/java/android/app/Notification.java
@@ -907,6 +907,8 @@ public class Notification implements Parcelable
      * </pre>
      */
     public static class Builder {
+        private static final int MAX_ACTION_BUTTONS = 2;
+
         private Context mContext;
 
         private long mWhen;
@@ -938,7 +940,7 @@ public class Notification implements Parcelable
         private ArrayList<String> mKindList = new ArrayList<String>(1);
         private Bundle mExtras;
         private int mPriority;
-        private ArrayList<Action> mActions = new ArrayList<Action>(3);
+        private ArrayList<Action> mActions = new ArrayList<Action>(MAX_ACTION_BUTTONS);
         private boolean mUseChronometer;
         private Style mStyle;
 
@@ -1460,7 +1462,7 @@ public class Notification implements Parcelable
             if (N > 0) {
                 // Log.d("Notification", "has actions: " + mContentText);
                 big.setViewVisibility(R.id.actions, View.VISIBLE);
-                if (N>3) N=3;
+                if (N>MAX_ACTION_BUTTONS) N=MAX_ACTION_BUTTONS;
                 big.removeAllViews(R.id.actions);
                 for (int i=0; i<N; i++) {
                     final RemoteViews button = generateActionButton(mActions.get(i));
@@ -1500,18 +1502,14 @@ public class Notification implements Parcelable
         }
 
         private RemoteViews generateActionButton(Action action) {
-            RemoteViews button = new RemoteViews(mContext.getPackageName(), R.layout.notification_action);
+            final boolean tombstone = (action.actionIntent == null);
+            RemoteViews button = new RemoteViews(mContext.getPackageName(), 
+                    tombstone ? R.layout.notification_action_tombstone
+                              : R.layout.notification_action);
             button.setTextViewCompoundDrawables(R.id.action0, action.icon, 0, 0, 0);
             button.setTextViewText(R.id.action0, action.title);
-            if (action.actionIntent != null) {
+            if (!tombstone) {
                 button.setOnClickPendingIntent(R.id.action0, action.actionIntent);
-                //button.setBoolean(R.id.action0, "setEnabled", true);
-                button.setFloat(R.id.button0, "setAlpha", 1.0f);
-                button.setBoolean(R.id.button0, "setClickable", true);
-            } else {
-                //button.setBoolean(R.id.action0, "setEnabled", false);
-                button.setFloat(R.id.button0, "setAlpha", 0.5f);
-                button.setBoolean(R.id.button0, "setClickable", false);
             }
             button.setContentDescription(R.id.action0, action.title);
             return button;
diff --git a/core/res/res/layout/notification_action.xml b/core/res/res/layout/notification_action.xml
index 28812a9..21f2474 100644
--- a/core/res/res/layout/notification_action.xml
+++ b/core/res/res/layout/notification_action.xml
@@ -17,8 +17,9 @@
 <Button xmlns:android="http://schemas.android.com/apk/res/android"
     style="?android:attr/borderlessButtonStyle" 
     android:id="@+id/action0"
-    android:layout_width="match_parent"
+    android:layout_width="0dp"
     android:layout_height="48dp"
+    android:layout_weight="1"
     android:gravity="left|center_vertical"
     android:drawablePadding="8dp"
     android:paddingLeft="8dp"
diff --git a/core/res/res/layout/notification_action_list.xml b/core/res/res/layout/notification_action_list.xml
new file mode 100644
index 0000000..fa0a8c8
--- /dev/null
+++ b/core/res/res/layout/notification_action_list.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2012 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.
+-->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/actions"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="horizontal"
+    android:visibility="gone"
+    android:showDividers="middle"
+    android:divider="?android:attr/listDivider"
+    >
+    <!-- actions will be added here -->
+</LinearLayout>
diff --git a/core/res/res/layout/notification_action_tombstone.xml b/core/res/res/layout/notification_action_tombstone.xml
index e61e15f..6c59ded 100644
--- a/core/res/res/layout/notification_action_tombstone.xml
+++ b/core/res/res/layout/notification_action_tombstone.xml
@@ -15,12 +15,16 @@
 -->
 
 <Button xmlns:android="http://schemas.android.com/apk/res/android"
+    style="?android:attr/borderlessButtonStyle" 
     android:id="@+id/action0"
-    android:layout_width="match_parent"
+    android:layout_width="0dp"
     android:layout_height="48dp"
+    android:layout_weight="1"
     android:gravity="left|center_vertical"
     android:drawablePadding="8dp"
     android:paddingLeft="8dp"
-    android:textColor="#666"
+    android:textColor="#ccc"
     android:textSize="14dp"
+    android:alpha="0.5"
+    android:enabled="false"
     />
diff --git a/core/res/res/layout/notification_template_big_base.xml b/core/res/res/layout/notification_template_big_base.xml
index 378161c..d50b792 100644
--- a/core/res/res/layout/notification_template_big_base.xml
+++ b/core/res/res/layout/notification_template_big_base.xml
@@ -143,14 +143,11 @@
                 style="?android:attr/progressBarStyleHorizontal"
                 />
         </LinearLayout>
-        <LinearLayout
+        <include
+            layout="@layout/notification_action_list"
             android:id="@+id/actions"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:visibility="gone"
-                >
-                <!-- actions will be added here -->
-        </LinearLayout>
+            />
     </LinearLayout>
 </FrameLayout>
diff --git a/core/res/res/layout/notification_template_big_text.xml b/core/res/res/layout/notification_template_big_text.xml
index 77a5f11..210bc13 100644
--- a/core/res/res/layout/notification_template_big_text.xml
+++ b/core/res/res/layout/notification_template_big_text.xml
@@ -105,16 +105,13 @@
                 android:layout_weight="1"
                 />
         </LinearLayout>
-        <LinearLayout
-            android:id="@+id/actions"
+        <include
+            layout="@layout/notification_action_list"
             android:layout_width="match_parent"
             android:layout_height="0dp"
-            android:orientation="vertical"
             android:visibility="gone"
             android:layout_weight="1"
-                >
-                <!-- actions will be added here -->
-        </LinearLayout>
+            />
         <TextView android:id="@+id/overflow_title"
             android:textAppearance="@style/TextAppearance.StatusBar.EventContent.Title"
             android:layout_width="match_parent"
diff --git a/core/res/res/layout/notification_template_inbox.xml b/core/res/res/layout/notification_template_inbox.xml
index 05ec1d8..bfa2e02 100644
--- a/core/res/res/layout/notification_template_inbox.xml
+++ b/core/res/res/layout/notification_template_inbox.xml
@@ -142,16 +142,13 @@
             android:visibility="gone"
             android:layout_weight="1"
             />
-        <LinearLayout
+        <include
+            layout="@layout/notification_action_list"
             android:id="@+id/actions"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:orientation="vertical"
             android:layout_weight="0"
-            android:visibility="gone"
-           >
-          <!-- actions will be added here -->
-        </LinearLayout>
+            />
         <TextView android:id="@+id/overflow_title"
             android:textAppearance="@style/TextAppearance.StatusBar.EventContent.Title"
             android:layout_width="match_parent"
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
index 4b223dd..ac92e1a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
@@ -531,30 +531,27 @@ public abstract class BaseStatusBar extends SystemUI implements
             }
         }
         catch (RuntimeException e) {
-            exception = e;
-        }
-        if (expandedOneU == null && expandedLarge == null) {
             final String ident = sbn.pkg + "/0x" + Integer.toHexString(sbn.id);
-            Slog.e(TAG, "couldn't inflate view for notification " + ident, exception);
+            Slog.e(TAG, "couldn't inflate view for notification " + ident, e);
             return false;
-        } else {
-            if (expandedOneU != null) {
-                SizeAdaptiveLayout.LayoutParams params =
-                        new SizeAdaptiveLayout.LayoutParams(expandedOneU.getLayoutParams());
-                params.minHeight = minHeight;
-                params.maxHeight = minHeight;
-                adaptive.addView(expandedOneU, params);
-            }
-            if (expandedLarge != null) {
-                SizeAdaptiveLayout.LayoutParams params =
-                        new SizeAdaptiveLayout.LayoutParams(expandedLarge.getLayoutParams());
-                params.minHeight = minHeight+1;
-                params.maxHeight = maxHeight;
-                adaptive.addView(expandedLarge, params);
-            }
-            row.setDrawingCacheEnabled(true);
         }
 
+        if (expandedOneU != null) {
+            SizeAdaptiveLayout.LayoutParams params =
+                    new SizeAdaptiveLayout.LayoutParams(expandedOneU.getLayoutParams());
+            params.minHeight = minHeight;
+            params.maxHeight = minHeight;
+            adaptive.addView(expandedOneU, params);
+        }
+        if (expandedLarge != null) {
+            SizeAdaptiveLayout.LayoutParams params =
+                    new SizeAdaptiveLayout.LayoutParams(expandedLarge.getLayoutParams());
+            params.minHeight = minHeight+1;
+            params.maxHeight = maxHeight;
+            adaptive.addView(expandedLarge, params);
+        }
+        row.setDrawingCacheEnabled(true);
+
         applyLegacyRowBackground(sbn, content);
 
         row.setTag(R.id.expandable_tag, Boolean.valueOf(large != null));