Dream settings: list items back to constant height

Expanding/collapsing items removed, settings icon shown on right
with divider if applicable.

New "Start" action on the action bar to start dreaming.  This is
no longer in preview/test mode, but a call to .dream().

Bug: 7010260
Change-Id: Ia1d8b9a70218dcc598bf62befbf545f572bbc6b1

res/layout/dream_info_row.xml

@@ -13,19 +13,20 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:background="?android:attr/selectableItemBackground"
-    android:divider="?android:attr/dividerHorizontal"
-    android:orientation="vertical"
-    android:showDividers="middle" >
+    android:layout_height="wrap_content" >
+
+    <!-- Dream selectable row (icon, caption, radio button) -->
 
     <RelativeLayout
-        android:id="@android:id/summary"
+        android:id="@android:id/widget_frame"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_alignParentTop="true" >
+        android:layout_toLeftOf="@+id/divider"
+        android:background="?android:attr/selectableItemBackground" >
+
+        <!-- Dream icon -->
 
         <ImageView
             android:id="@android:id/icon"
@@ -37,18 +38,14 @@
             android:layout_marginRight="6dp"
             android:layout_marginTop="10dp"
             android:contentDescription="@null"
+            android:maxHeight="@android:dimen/app_icon_size"
+            android:maxWidth="@android:dimen/app_icon_size"
             android:scaleType="fitCenter" />
 
-        <RadioButton
-            android:id="@android:id/button1"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:layout_alignParentRight="true"
-            android:layout_centerVertical="true"
-            android:duplicateParentState="true" />
+        <!-- Dream caption -->
 
         <TextView
-            android:id="@android:id/text1"
+            android:id="@android:id/title"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_centerVertical="true"
@@ -57,41 +54,43 @@
             android:ellipsize="end"
             android:singleLine="true"
             android:textAppearance="?android:attr/textAppearanceMedium" />
+
+        <!-- Dream radio button -->
+
+        <RadioButton
+            android:id="@android:id/button1"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:layout_alignParentRight="true"
+            android:layout_centerVertical="true"
+            android:duplicateParentState="true" />
     </RelativeLayout>
 
-    <RelativeLayout
-        android:id="@android:id/widget_frame"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:visibility="gone" >
+    <!-- Divider -->
 
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:divider="?android:attr/dividerVertical"
-            android:dividerPadding="12dp"
-            android:showDividers="middle" >
+    <ImageView
+        android:id="@id/divider"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_centerVertical="true"
+        android:layout_toLeftOf="@android:id/button2"
+        android:contentDescription="@null"
+        android:src="@drawable/nav_divider" />
 
-            <Button
+    <!-- Settings icon -->
+
+    <ImageView
         android:id="@android:id/button2"
-                style="@android:style/Widget.ActionButton"
         android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/screensaver_settings_dream_settings"
-                android:textAllCaps="true"
-                android:textSize="12dp" />
+        android:layout_height="match_parent"
+        android:layout_alignBottom="@android:id/widget_frame"
+        android:layout_alignParentRight="true"
+        android:layout_alignTop="@android:id/widget_frame"
+        android:layout_centerVertical="true"
+        android:layout_margin="0dip"
+        android:background="?android:attr/selectableItemBackground"
+        android:contentDescription="@null"
+        android:padding="8dip"
+        android:src="@drawable/ic_bt_config" />
 
-            <Button
-                android:id="@android:id/button3"
-                style="@android:style/Widget.ActionButton"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/screensaver_settings_dream_preview"
-                android:textAllCaps="true"
-                android:textSize="12dp" />
-        </LinearLayout>
 </RelativeLayout>
-
-</LinearLayout>

res/values/strings.xml

@@ -1717,10 +1717,8 @@
     <string name="screensaver_settings_start_dreaming">Start dreaming now</string>
     <!-- Dream settings screen, action label, when to dream -->
     <string name="screensaver_settings_when_to_dream">When to dream</string>
-    <!-- Dream settings screen, button label to launch dream settings -->
-    <string name="screensaver_settings_dream_settings">Settings</string>
-    <!-- Dream settings screen, button label to preview dream -->
-    <string name="screensaver_settings_dream_preview">Preview</string>
+    <!-- Dream settings screen, button label to start dreaming -->
+    <string name="screensaver_settings_dream_start">Start</string>
     <!-- Sound & display settings screen, setting option name to change whether the screen adjusts automatically based on lighting conditions -->
     <string name="automatic_brightness">Automatic brightness</string>
     <!-- [CHAR LIMIT=30] Sound & display settings screen, setting option name to change font size -->

src/com/android/settings/DreamBackend.java

@@ -16,9 +16,9 @@
 
 package com.android.settings;
 
-import static android.provider.Settings.Secure.SCREENSAVER_ENABLED;
 import static android.provider.Settings.Secure.SCREENSAVER_ACTIVATE_ON_DOCK;
 import static android.provider.Settings.Secure.SCREENSAVER_ACTIVATE_ON_SLEEP;
+import static android.provider.Settings.Secure.SCREENSAVER_ENABLED;
 
 import android.content.ComponentName;
 import android.content.Context;
@@ -183,6 +183,17 @@ public class DreamBackend {
         }
     }
 
+    public void startDreaming() {
+        logd("startDreaming()");
+        if (mDreamManager == null)
+            return;
+        try {
+            mDreamManager.dream();
+        } catch (RemoteException e) {
+            Log.w(TAG, "Failed to dream", e);
+        }
+    }
+
     private static ComponentName getDreamComponentName(ResolveInfo resolveInfo) {
         if (resolveInfo == null || resolveInfo.serviceInfo == null)
             return null;

src/com/android/settings/DreamSettings.java

@@ -27,7 +27,6 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Bundle;
 import android.preference.PreferenceActivity;
-import android.preference.PreferenceFragment;
 import android.util.Log;
 import android.view.Gravity;
 import android.view.LayoutInflater;
@@ -41,7 +40,6 @@ import android.view.View.OnClickListener;
 import android.view.View.OnTouchListener;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
-import android.widget.Button;
 import android.widget.CompoundButton;
 import android.widget.CompoundButton.OnCheckedChangeListener;
 import android.widget.ImageView;
@@ -66,7 +64,7 @@ public class DreamSettings extends SettingsPreferenceFragment {
     private DreamBackend mBackend;
     private DreamInfoAdapter mAdapter;
     private Switch mSwitch;
-    private MenuItem mWhenToDream;
+    private MenuItem[] mMenuItemsWhenEnabled;
     private boolean mRefreshing;
 
     @Override
@@ -133,19 +131,33 @@ public class DreamSettings extends SettingsPreferenceFragment {
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         logd("onCreateOptionsMenu()");
-        super.onCreateOptionsMenu(menu, inflater);
 
         boolean isEnabled = mBackend.isEnabled();
 
-        mWhenToDream = createMenuItem(menu,
-                R.string.screensaver_settings_when_to_dream,
+        // create "start" action
+        MenuItem start = createMenuItem(menu, R.string.screensaver_settings_dream_start,
                 MenuItem.SHOW_AS_ACTION_ALWAYS,
+                isEnabled, new Runnable(){
+                    @Override
+                    public void run() {
+                        mBackend.startDreaming();
+                    }});
+
+        // create "when to dream" overflow menu item
+        MenuItem whenToDream = createMenuItem(menu,
+                R.string.screensaver_settings_when_to_dream,
+                MenuItem.SHOW_AS_ACTION_NEVER,
                 isEnabled,
                 new Runnable() {
                     @Override
                     public void run() {
                         showDialog(DIALOG_WHEN_TO_DREAM);
                     }});
+
+        // create "help" overflow menu item (make sure it appears last)
+        super.onCreateOptionsMenu(menu, inflater);
+
+        mMenuItemsWhenEnabled = new MenuItem[] { start, whenToDream };
     }
 
     private MenuItem createMenuItem(Menu menu,
@@ -242,8 +254,9 @@ public class DreamSettings extends SettingsPreferenceFragment {
             List<DreamInfo> dreamInfos = mBackend.getDreamInfos();
             mAdapter.addAll(dreamInfos);
         }
-        if (mWhenToDream != null)
-            mWhenToDream.setEnabled(dreamsEnabled);
+        if (mMenuItemsWhenEnabled != null)
+            for (MenuItem menuItem : mMenuItemsWhenEnabled)
+                menuItem.setEnabled(dreamsEnabled);
         mRefreshing = false;
     }
 
@@ -252,7 +265,6 @@ public class DreamSettings extends SettingsPreferenceFragment {
             Log.d(TAG, args == null || args.length == 0 ? msg : String.format(msg, args));
     }
 
-
     private class DreamInfoAdapter extends ArrayAdapter<DreamInfo> {
         private final LayoutInflater mInflater;
 
@@ -272,7 +284,7 @@ public class DreamSettings extends SettingsPreferenceFragment {
             ((ImageView) row.findViewById(android.R.id.icon)).setImageDrawable(dreamInfo.icon);
 
             // bind caption
-            ((TextView) row.findViewById(android.R.id.text1)).setText(dreamInfo.caption);
+            ((TextView) row.findViewById(android.R.id.title)).setText(dreamInfo.caption);
 
             // bind radio button
             RadioButton radioButton = (RadioButton) row.findViewById(android.R.id.button1);
@@ -284,26 +296,19 @@ public class DreamSettings extends SettingsPreferenceFragment {
                     return false;
                 }});
 
-            // bind button container
-            View widgetFrame = row.findViewById(android.R.id.widget_frame);
-            widgetFrame.setVisibility(dreamInfo.isActive ? View.VISIBLE : View.GONE);
+            // bind settings button + divider
+            boolean showSettings = dreamInfo.settingsComponentName != null;
+            View settingsDivider = row.findViewById(R.id.divider);
+            settingsDivider.setVisibility(showSettings ? View.VISIBLE : View.INVISIBLE);
 
-            // bind settings button
-            Button settingsButton = (Button) row.findViewById(android.R.id.button2);
-            settingsButton.setVisibility(dreamInfo.settingsComponentName != null ? View.VISIBLE : View.GONE);
+            ImageView settingsButton = (ImageView) row.findViewById(android.R.id.button2);
+            settingsButton.setVisibility(showSettings ? View.VISIBLE : View.INVISIBLE);
             settingsButton.setOnClickListener(new OnClickListener(){
                 @Override
                 public void onClick(View v) {
                     mBackend.launchSettings((DreamInfo) row.getTag());
                 }});
 
-            // bind preview button
-            ((Button) row.findViewById(android.R.id.button3)).setOnClickListener(new OnClickListener(){
-                @Override
-                public void onClick(View v) {
-                    mBackend.preview((DreamInfo)row.getTag());
-                }});
-
             return row;
         }