Settings: add switches for dashboard items

Change-Id: Ibff81510270745807a4b133457d60d47dd629df6
Signed-off-by: Roman Birg <roman@cyngn.com>

5 files changed, 324 insertions, 2 deletions

diff --git a/src/com/android/settings/dashboard/DashboardSummary.java b/src/com/android/settings/dashboard/DashboardSummary.java
index 38ed297..e01a843 100644
--- a/src/com/android/settings/dashboard/DashboardSummary.java
+++ b/src/com/android/settings/dashboard/DashboardSummary.java
@@ -35,6 +35,7 @@ import android.view.MenuInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
+import android.widget.Switch;
 import android.widget.TextView;
 
 import com.android.internal.logging.MetricsLogger;
@@ -42,6 +43,7 @@ import com.android.settings.HelpUtils;
 import com.android.settings.InstrumentedFragment;
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
+import com.android.settings.widget.SwitchBar;
 
 import java.util.List;
 
@@ -158,7 +160,8 @@ public class DashboardSummary extends InstrumentedFragment {
 
                 DashboardTileView tileView = new DashboardTileView(context);
                 updateTileView(context, res, tile, tileView.getImageView(),
-                        tileView.getTitleTextView(), tileView.getStatusTextView());
+                        tileView.getTitleTextView(), tileView.getStatusTextView(),
+                        tileView.getSwitchView());
 
                 tileView.setTile(tile);
 
@@ -173,7 +176,7 @@ public class DashboardSummary extends InstrumentedFragment {
     }
 
     private void updateTileView(Context context, Resources res, DashboardTile tile,
-            ImageView tileIcon, TextView tileTextView, TextView statusTextView) {
+            ImageView tileIcon, TextView tileTextView, TextView statusTextView, Switch switchBar) {
 
         if (!TextUtils.isEmpty(tile.iconPkg)) {
             try {
@@ -213,6 +216,12 @@ public class DashboardSummary extends InstrumentedFragment {
         } else {
             statusTextView.setVisibility(View.GONE);
         }
+
+        if (tile.switchControl != null) {
+            switchBar.setVisibility(View.VISIBLE);
+        } else {
+            switchBar.setVisibility(View.GONE);
+        }
     }
 
     private void sendRebuildUI() {
diff --git a/src/com/android/settings/dashboard/DashboardTile.java b/src/com/android/settings/dashboard/DashboardTile.java
index 5e7e49a..ecb9a48 100644
--- a/src/com/android/settings/dashboard/DashboardTile.java
+++ b/src/com/android/settings/dashboard/DashboardTile.java
@@ -81,6 +81,13 @@ public class DashboardTile implements Parcelable {
     public String iconPkg;
 
     /**
+     * Optional location of a class which implements GenericSwitchTile
+     * to be displayed on the dashboard.
+     * @attr ref R.styleable#DashbaordTile_switchClass
+     */
+    public String switchControl;
+
+    /**
      * Full class name of the fragment to display when this tile is
      * selected.
      * @attr ref android.R.styleable#PreferenceHeader_fragment
@@ -164,6 +171,12 @@ public class DashboardTile implements Parcelable {
             userHandle.get(i).writeToParcel(dest, flags);
         }
         dest.writeBundle(extras);
+        if (switchControl != null) {
+            dest.writeInt(1);
+            dest.writeString(switchControl);
+        } else {
+            dest.writeInt(0);
+        }
     }
 
     public void readFromParcel(Parcel in) {
@@ -184,6 +197,9 @@ public class DashboardTile implements Parcelable {
             userHandle.add(UserHandle.CREATOR.createFromParcel(in));
         }
         extras = in.readBundle();
+        if (in.readInt() != 0) {
+            switchControl = in.readString();
+        }
     }
 
     DashboardTile(Parcel in) {
diff --git a/src/com/android/settings/dashboard/DashboardTileView.java b/src/com/android/settings/dashboard/DashboardTileView.java
index 0896b82..6790136 100644
--- a/src/com/android/settings/dashboard/DashboardTileView.java
+++ b/src/com/android/settings/dashboard/DashboardTileView.java
@@ -23,12 +23,16 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
+import android.widget.Switch;
 import android.widget.TextView;
 
 import com.android.settings.ProfileSelectDialog;
 import com.android.settings.R;
 import com.android.settings.Utils;
 
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
 public class DashboardTileView extends FrameLayout implements View.OnClickListener {
 
     private static final int DEFAULT_COL_SPAN = 1;
@@ -37,6 +41,8 @@ public class DashboardTileView extends FrameLayout implements View.OnClickListen
     private TextView mTitleTextView;
     private TextView mStatusTextView;
     private View mDivider;
+    private Switch mSwitch;
+    private GenericSwitchToggle mSwitchToggle;
 
     private int mColSpan = DEFAULT_COL_SPAN;
 
@@ -55,6 +61,7 @@ public class DashboardTileView extends FrameLayout implements View.OnClickListen
         mTitleTextView = (TextView) view.findViewById(R.id.title);
         mStatusTextView = (TextView) view.findViewById(R.id.status);
         mDivider = view.findViewById(R.id.tile_divider);
+        mSwitch = (Switch) view.findViewById(R.id.dashboard_switch);
 
         setOnClickListener(this);
         setBackgroundResource(R.drawable.dashboard_tile_background);
@@ -73,8 +80,41 @@ public class DashboardTileView extends FrameLayout implements View.OnClickListen
         return mImageView;
     }
 
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        if (mSwitchToggle != null) {
+            mSwitchToggle.resume(getContext());
+        }
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        if (mSwitchToggle != null) {
+            mSwitchToggle.pause();
+        }
+    }
+
     public void setTile(DashboardTile tile) {
         mTile = tile;
+
+        if (mTile.switchControl != null) {
+            try {
+                Class<?> clazz = getClass().getClassLoader().loadClass(mTile.switchControl);
+                Constructor<?> constructor = clazz.getConstructor(Context.class, Switch.class);
+                GenericSwitchToggle sw = (GenericSwitchToggle) constructor.newInstance(
+                        getContext(), mSwitch);
+                mSwitchToggle = sw;
+                mSwitchToggle.resume(getContext());
+            } catch (ClassNotFoundException
+                    | NoSuchMethodException
+                    | InvocationTargetException
+                    | InstantiationException
+                    | IllegalAccessException e) {
+                e.printStackTrace();
+            }
+        }
     }
 
     public void setDividerVisibility(boolean visible) {
@@ -105,4 +145,10 @@ public class DashboardTileView extends FrameLayout implements View.OnClickListen
             }
         }
     }
+
+    public Switch getSwitchView() {
+        return mSwitch;
+    }
+
+
 }
diff --git a/src/com/android/settings/dashboard/GenericSwitchToggle.java b/src/com/android/settings/dashboard/GenericSwitchToggle.java
new file mode 100644
index 0000000..95eec5c
--- /dev/null
+++ b/src/com/android/settings/dashboard/GenericSwitchToggle.java
@@ -0,0 +1,92 @@
+package com.android.settings.dashboard;
+
+import android.content.Context;
+import android.widget.CompoundButton;
+import android.widget.Switch;
+import com.android.settings.widget.SwitchBar;
+
+public abstract class GenericSwitchToggle implements SwitchBar.OnSwitchChangeListener,
+        CompoundButton.OnCheckedChangeListener {
+
+    protected Context mContext;
+    protected Switch mSwitch;
+    protected SwitchBar mSwitchBar;
+
+    protected boolean mStateMachineEvent;
+    protected boolean mListeningToOnSwitchChange = false;
+
+    public GenericSwitchToggle(Context context, Switch switch_) {
+        mContext = context;
+        mSwitch = switch_;
+    }
+
+    public GenericSwitchToggle(Context context, SwitchBar switch_) {
+        mContext = context;
+        mSwitchBar = switch_;
+    }
+
+    public void pause() {
+        if (mListeningToOnSwitchChange) {
+            if (mSwitchBar != null) {
+                mSwitchBar.removeOnSwitchChangeListener(this);
+            }
+            if (mSwitch != null) {
+                mSwitch.setOnCheckedChangeListener(null);
+            }
+            mListeningToOnSwitchChange = false;
+        }
+    }
+
+    public void resume(Context context) {
+        mContext = context;
+
+        if (!mListeningToOnSwitchChange) {
+            if (mSwitchBar != null) {
+                mSwitchBar.addOnSwitchChangeListener(this);
+                mListeningToOnSwitchChange = true;
+            }
+            if (mSwitch != null) {
+                mSwitch.setOnCheckedChangeListener(this);
+                mListeningToOnSwitchChange = true;
+            }
+        }
+    }
+
+    public void teardownSwitchBar() {
+        if (mSwitchBar == null) {
+            return;
+        }
+        if (mListeningToOnSwitchChange) {
+            mSwitchBar.removeOnSwitchChangeListener(this);
+            mListeningToOnSwitchChange = false;
+        }
+        mSwitchBar.hide();
+    }
+
+    protected void setChecked(boolean checked) {
+        mStateMachineEvent = true;
+        if (mSwitchBar != null) {
+            mSwitchBar.setChecked(checked);
+        }
+        if (mSwitch != null) {
+            mSwitch.setChecked(checked);
+        }
+        mStateMachineEvent = false;
+    }
+
+    protected void setEnabled(boolean enabled) {
+        if (mSwitchBar != null) {
+            mSwitchBar.setEnabled(enabled);
+        }
+        if (mSwitch != null) {
+            mSwitch.setEnabled(enabled);
+        }
+    }
+
+    @Override
+    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+        onSwitchChanged(mSwitch, isChecked);
+    }
+
+    public abstract void onSwitchChanged(Switch switchView, boolean isChecked);
+}
diff --git a/src/com/android/settings/dashboard/MobileNetworksEnabler.java b/src/com/android/settings/dashboard/MobileNetworksEnabler.java
new file mode 100644
index 0000000..d7c202a
--- /dev/null
+++ b/src/com/android/settings/dashboard/MobileNetworksEnabler.java
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2010 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.settings.dashboard;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+import android.net.wifi.SupplicantState;
+import android.net.wifi.WifiInfo;
+import android.net.wifi.WifiManager;
+import android.os.Handler;
+import android.os.Message;
+import android.provider.Settings;
+import android.telephony.TelephonyManager;
+import android.widget.CompoundButton;
+import android.widget.Switch;
+import android.widget.Toast;
+
+import com.android.settings.AirplaneModeEnabler;
+import com.android.settings.R;
+import com.android.settings.WirelessSettings;
+import com.android.settings.search.Index;
+import com.android.settings.widget.SwitchBar;
+import com.android.settings.wifi.WifiSettings;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+public class MobileNetworksEnabler extends GenericSwitchToggle  {
+    private TelephonyManager mTelephonyManager;
+    private IntentFilter mIntentFilter;
+
+    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+            if (TelephonyManager.ACTION_PRECISE_DATA_CONNECTION_STATE_CHANGED.equals(action)) {
+                updateState();
+            }
+        }
+    };
+
+    public MobileNetworksEnabler(Context context, SwitchBar switchBar) {
+        super(context, switchBar);
+
+        init();
+        setupSwitches();
+    }
+
+    public MobileNetworksEnabler(Context context, Switch switch_) {
+        super(context, switch_);
+
+        init();
+        setupSwitches();
+    }
+
+    private void init() {
+        mTelephonyManager = (TelephonyManager)
+                mContext.getSystemService(Context.TELEPHONY_SERVICE);
+        mIntentFilter = new IntentFilter(
+                TelephonyManager.ACTION_PRECISE_DATA_CONNECTION_STATE_CHANGED);
+    }
+
+    private void setupSwitches() {
+        updateState();
+        if (mSwitchBar != null) {
+            mSwitchBar.show();
+        }
+    }
+
+    private void updateState() {
+        switch (mTelephonyManager.getDataState()) {
+            case TelephonyManager.DATA_CONNECTED:
+            case TelephonyManager.DATA_SUSPENDED:
+                setEnabled(true);
+                setChecked(true);
+                break;
+
+            case TelephonyManager.DATA_CONNECTING:
+                setChecked(true);
+                setEnabled(false);
+                break;
+
+            case TelephonyManager.DATA_DISCONNECTED:
+                setEnabled(true);
+                setChecked(false);
+                break;
+
+            default:
+            case TelephonyManager.DATA_UNKNOWN:
+                setEnabled(false);
+                setChecked(false);
+                break;
+        }
+    }
+
+    @Override
+    public void resume(Context context) {
+        super.resume(context);
+        mContext.registerReceiver(mReceiver, mIntentFilter);
+    }
+
+    @Override
+    public void pause() {
+        super.pause();
+        mContext.unregisterReceiver(mReceiver);
+    }
+
+    private boolean isAirplaneModeOn() {
+        return (Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.AIRPLANE_MODE_ON, 0) != 0);
+    }
+
+    public boolean isRadioAllowed(String type) {
+        if (!isAirplaneModeOn()) {
+            return true;
+        }
+        // Here we use the same logic in onCreate().
+        String toggleable = Settings.Global.getString(mContext.getContentResolver(),
+                Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
+        return toggleable != null && toggleable.contains(type);
+    }
+
+    @Override
+    public void onSwitchChanged(Switch switchView, boolean isChecked) {
+        //Do nothing if called as a result of a state machine event
+        if (mStateMachineEvent) {
+            return;
+        }
+        if (isChecked && !isRadioAllowed(Settings.Global.RADIO_CELL)) {
+            Toast.makeText(mContext, R.string.wifi_in_airplane_mode, Toast.LENGTH_SHORT).show();
+            setChecked(false);
+            return;
+        }
+
+        mTelephonyManager.setDataEnabled(isChecked);
+    }
+
+    @Override
+    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+        super.onCheckedChanged(buttonView, isChecked);
+    }
+}