Interface Settings: signal status style (2/2)

Ported from CM7 change I4984b06c70acd49862b5afc502cb4875abba64b7

Change-Id: Iebce598e278e8429444db862dd71547f57ea86ba

12 files changed, 294 insertions, 4 deletions

diff --git a/packages/SystemUI/res/drawable-hdpi/stat_sys_signal_min.png b/packages/SystemUI/res/drawable-hdpi/stat_sys_signal_min.png
new file mode 100644
index 0000000..c3f79ce
--- /dev/null
+++ b/packages/SystemUI/res/drawable-hdpi/stat_sys_signal_min.png
diff --git a/packages/SystemUI/res/drawable-mdpi/stat_sys_signal_min.png b/packages/SystemUI/res/drawable-mdpi/stat_sys_signal_min.png
new file mode 100755
index 0000000..51a4c4c
--- /dev/null
+++ b/packages/SystemUI/res/drawable-mdpi/stat_sys_signal_min.png
diff --git a/packages/SystemUI/res/drawable-sw600dp-hdpi/stat_sys_signal_min.png b/packages/SystemUI/res/drawable-sw600dp-hdpi/stat_sys_signal_min.png
new file mode 100755
index 0000000..5f17531
--- /dev/null
+++ b/packages/SystemUI/res/drawable-sw600dp-hdpi/stat_sys_signal_min.png
diff --git a/packages/SystemUI/res/drawable-sw600dp-mdpi/stat_sys_signal_min.png b/packages/SystemUI/res/drawable-sw600dp-mdpi/stat_sys_signal_min.png
new file mode 100755
index 0000000..fd0f879
--- /dev/null
+++ b/packages/SystemUI/res/drawable-sw600dp-mdpi/stat_sys_signal_min.png
diff --git a/packages/SystemUI/res/drawable-sw600dp-xhdpi/stat_sys_signal_min.png b/packages/SystemUI/res/drawable-sw600dp-xhdpi/stat_sys_signal_min.png
new file mode 100755
index 0000000..cd7d4db
--- /dev/null
+++ b/packages/SystemUI/res/drawable-sw600dp-xhdpi/stat_sys_signal_min.png
diff --git a/packages/SystemUI/res/drawable-xhdpi/stat_sys_signal_min.png b/packages/SystemUI/res/drawable-xhdpi/stat_sys_signal_min.png
new file mode 100755
index 0000000..1203d7e
--- /dev/null
+++ b/packages/SystemUI/res/drawable-xhdpi/stat_sys_signal_min.png
diff --git a/packages/SystemUI/res/layout-sw600dp/status_bar_notification_area.xml b/packages/SystemUI/res/layout-sw600dp/status_bar_notification_area.xml
index a19be0b..3fbe348 100644
--- a/packages/SystemUI/res/layout-sw600dp/status_bar_notification_area.xml
+++ b/packages/SystemUI/res/layout-sw600dp/status_bar_notification_area.xml
@@ -121,6 +121,11 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 />
+            <include layout="@layout/signal_cluster_text_view"
+                android:id="@+id/signal_cluster_text"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                />
             <ImageView
                 android:id="@+id/bluetooth"
                 android:layout_height="wrap_content"
diff --git a/packages/SystemUI/res/layout/signal_cluster_text_view.xml b/packages/SystemUI/res/layout/signal_cluster_text_view.xml
new file mode 100644
index 0000000..9428ca2
--- /dev/null
+++ b/packages/SystemUI/res/layout/signal_cluster_text_view.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/* apps/common/assets/default/default/skins/StatusBar.xml
+**
+** Copyright 2011, 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.
+*/
+-->
+
+<com.android.systemui.statusbar.SignalClusterTextView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_height="wrap_content"
+    android:layout_width="wrap_content"
+    android:orientation="horizontal"
+    >
+    <LinearLayout
+        android:id="@+id/mobile_signal_text_combo"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:orientation="horizontal"
+        android:gravity="center"
+        android:layout_marginRight="-3dip"
+        >
+        <TextView
+            android:id="@+id/mobile_signal_text"
+            android:textAppearance="@style/TextAppearance.StatusBar.Signal"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:singleLine="true"
+            android:layout_marginRight="-3dip"
+            android:gravity="center_vertical|left"
+            />
+        <ImageView
+            android:id="@+id/mobile_signal_text_icon"
+            android:src="@drawable/stat_sys_signal_min"
+            android:layout_height="wrap_content"
+            android:layout_width="wrap_content"
+            android:layout_marginLeft="1dip"
+            android:paddingRight="2dip"
+            />
+    </LinearLayout>
+</com.android.systemui.statusbar.SignalClusterTextView>
diff --git a/packages/SystemUI/res/layout/status_bar.xml b/packages/SystemUI/res/layout/status_bar.xml
index 5af56ef..cfc48ee 100644
--- a/packages/SystemUI/res/layout/status_bar.xml
+++ b/packages/SystemUI/res/layout/status_bar.xml
@@ -71,11 +71,16 @@
             android:orientation="horizontal"
             android:gravity="center"
             >
-            <include layout="@layout/signal_cluster_view" 
+            <include layout="@layout/signal_cluster_view"
                 android:id="@+id/signal_cluster"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 />
+            <include layout="@layout/signal_cluster_text_view"
+                android:id="@+id/signal_cluster_text"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                />
             <TextView
                 android:id="@+id/battery_text"
                 android:textAppearance="@style/TextAppearance.StatusBar.Battery"
diff --git a/packages/SystemUI/res/values/styles.xml b/packages/SystemUI/res/values/styles.xml
index ebe8e70..51bd0cf 100644
--- a/packages/SystemUI/res/values/styles.xml
+++ b/packages/SystemUI/res/values/styles.xml
@@ -60,6 +60,13 @@
         <item name="android:textColor">@android:color/holo_blue_light</item>
     </style>
 
+    <style name="TextAppearance.StatusBar.Signal" parent="@*android:style/TextAppearance.StatusBar.Icon">
+        <!-- Note: must be dp to fit in status bar -->
+        <item name="android:textSize">12dp</item>
+        <item name="android:textStyle">normal</item>
+        <item name="android:textColor">@android:color/holo_blue_light</item>
+    </style>
+
     <style name="Animation" />
 
     <style name="Animation.ShirtPocketPanel">
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterTextView.java b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterTextView.java
new file mode 100644
index 0000000..65ac030
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterTextView.java
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+package com.android.systemui.statusbar;
+
+import android.content.BroadcastReceiver;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.database.ContentObserver;
+import android.os.Handler;
+import android.provider.Settings;
+import android.telephony.PhoneStateListener;
+import android.telephony.ServiceState;
+import android.telephony.SignalStrength;
+import android.telephony.TelephonyManager;
+import android.text.Spannable;
+import android.text.SpannableStringBuilder;
+import android.text.style.CharacterStyle;
+import android.text.style.RelativeSizeSpan;
+import android.util.AttributeSet;
+import android.util.Slog;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.android.systemui.statusbar.SignalClusterView.SettingsObserver;
+import com.android.systemui.statusbar.policy.NetworkController;
+import com.android.systemui.R;
+
+// Intimately tied to the design of res/layout/signal_cluster_text_view.xml
+public class SignalClusterTextView
+    extends LinearLayout {
+
+    private static final int SIGNAL_CLUSTER_STYLE_NORMAL   = 0;
+    private static final int SIGNAL_CLUSTER_STYLE_TEXT     = 1;
+    private static final int SIGNAL_CLUSTER_STYLE_HIDDEN   = 2;
+
+    private boolean mAttached;
+    private boolean mAirplaneMode;
+    private int mSignalClusterStyle;
+    private int mPhoneState;
+
+    private SignalStrength signalStrength;
+
+    ViewGroup mMobileGroup;
+    TextView mMobileSignalText;
+
+    Handler mHandler;
+
+    int dBm = 0;
+
+    class SettingsObserver extends ContentObserver {
+        SettingsObserver(Handler handler) {
+            super(handler);
+        }
+
+        void observe() {
+            ContentResolver resolver = mContext.getContentResolver();
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.STATUS_BAR_SIGNAL_TEXT), false, this);
+        }
+
+        @Override public void onChange(boolean selfChange) {
+            updateSettings();
+        }
+    }
+
+    public SignalClusterTextView(Context context) {
+        this(context, null);
+    }
+
+    public SignalClusterTextView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public SignalClusterTextView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+
+        mHandler = new Handler();
+
+        SettingsObserver settingsObserver = new SettingsObserver(mHandler);
+        settingsObserver.observe();
+    }
+
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+
+        mMobileGroup      = (ViewGroup) findViewById(R.id.mobile_signal_text_combo);
+        mMobileSignalText = (TextView) findViewById(R.id.mobile_signal_text);
+
+        if (!mAttached) {
+            mAttached = true;
+            ((TelephonyManager) getContext().getSystemService(Context.TELEPHONY_SERVICE)).listen(
+                mPhoneStateListener, PhoneStateListener.LISTEN_SERVICE_STATE
+                | PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);
+
+            updateSettings();
+        }
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        if (mAttached) {
+            mAttached = false;
+        }
+        super.onDetachedFromWindow();
+    }
+
+    private String getSignalLevelString(int dBm) {
+        if (dBm == 0) {
+            return "-\u221e"; // -oo ('minus infinity')
+        }
+        return Integer.toString(dBm);
+    }
+
+    final void updateSignalText() {
+
+        if (mAirplaneMode || dBm == 0) {
+            mMobileGroup.setVisibility(View.GONE);
+            return;
+        } else if (mSignalClusterStyle == SIGNAL_CLUSTER_STYLE_TEXT) {
+            mMobileGroup.setVisibility(View.VISIBLE);
+            mMobileSignalText.setText(getSignalLevelString(dBm));
+        } else {
+            mMobileGroup.setVisibility(View.GONE);
+        }
+    }
+
+    /*
+     * Phone listener to update signal information
+     */
+    private PhoneStateListener mPhoneStateListener = new PhoneStateListener() {
+        @Override
+        public void onSignalStrengthsChanged(SignalStrength signalStrength) {
+            if (signalStrength != null) {
+                dBm = signalStrength.getDbm();
+            } else {
+                dBm = 0;
+            }
+
+            // update text if it's visible
+            if (mAttached) {
+                updateSettings();
+            }
+        }
+
+        public void onServiceStateChanged(ServiceState serviceState) {
+            mAirplaneMode = serviceState.getState() == ServiceState.STATE_POWER_OFF;
+            updateSettings();
+        }
+    };
+
+    private void updateSettings() {
+        ContentResolver resolver = mContext.getContentResolver();
+        mSignalClusterStyle = (Settings.System.getInt(resolver,
+                Settings.System.STATUS_BAR_SIGNAL_TEXT, SIGNAL_CLUSTER_STYLE_NORMAL));
+        updateSignalText();
+    }
+}
+
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
index 744a46b..b9ecc8b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
@@ -16,17 +16,19 @@
 
 package com.android.systemui.statusbar;
 
+import android.content.ContentResolver;
 import android.content.Context;
+import android.database.ContentObserver;
+import android.os.Handler;
+import android.provider.Settings;
 import android.util.AttributeSet;
 import android.util.Slog;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
-import android.widget.TextView;
 
 import com.android.systemui.statusbar.policy.NetworkController;
-
 import com.android.systemui.R;
 
 // Intimately tied to the design of res/layout/signal_cluster_view.xml
@@ -34,9 +36,11 @@ public class SignalClusterView
         extends LinearLayout 
         implements NetworkController.SignalCluster {
 
+    private static final int SIGNAL_CLUSTER_STYLE_NORMAL = 0;
+
     static final boolean DEBUG = false;
     static final String TAG = "SignalClusterView";
-    
+
     NetworkController mNC;
 
     private boolean mWifiVisible = false;
@@ -46,10 +50,31 @@ public class SignalClusterView
     private boolean mIsAirplaneMode = false;
     private String mWifiDescription, mMobileDescription, mMobileTypeDescription;
 
+    private int mSignalClusterStyle;
+
     ViewGroup mWifiGroup, mMobileGroup;
     ImageView mWifi, mMobile, mWifiActivity, mMobileActivity, mMobileType;
     View mSpacer;
 
+    Handler mHandler;
+
+    class SettingsObserver extends ContentObserver {
+        SettingsObserver(Handler handler) {
+            super(handler);
+        }
+
+        void observe() {
+            ContentResolver resolver = mContext.getContentResolver();
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.STATUS_BAR_SIGNAL_TEXT), false, this);
+        }
+
+        @Override
+        public void onChange(boolean selfChange) {
+            updateSettings();
+        }
+    }
+
     public SignalClusterView(Context context) {
         this(context, null);
     }
@@ -60,6 +85,11 @@ public class SignalClusterView
 
     public SignalClusterView(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
+
+        mHandler = new Handler();
+
+        SettingsObserver settingsObserver = new SettingsObserver(mHandler);
+        settingsObserver.observe();
     }
 
     public void setNetworkController(NetworkController nc) {
@@ -163,6 +193,19 @@ public class SignalClusterView
 
         mMobileType.setVisibility(
                 !mWifiVisible ? View.VISIBLE : View.GONE);
+
+        updateSettings();
+    }
+
+    private void updateSignalClusterStyle() {
+        mMobileGroup.setVisibility(mSignalClusterStyle != SIGNAL_CLUSTER_STYLE_NORMAL ? View.GONE : View.VISIBLE);
+    }
+
+    private void updateSettings() {
+        ContentResolver resolver = mContext.getContentResolver();
+        mSignalClusterStyle = (Settings.System.getInt(resolver,
+                Settings.System.STATUS_BAR_SIGNAL_TEXT, SIGNAL_CLUSTER_STYLE_NORMAL));
+        updateSignalClusterStyle();
     }
 }