am 2fc9c124: Merge "Move AppItem, ChartData, ChartDataLoader from Settings to SettingsLib." into cw-e-dev

* commit '2fc9c1242266f02ee73e245f5ca8134781223bf6':
  Move AppItem, ChartData, ChartDataLoader from Settings to SettingsLib.

3 files changed, 257 insertions, 0 deletions

diff --git a/packages/SettingsLib/src/com/android/settingslib/AppItem.java b/packages/SettingsLib/src/com/android/settingslib/AppItem.java
new file mode 100644
index 0000000..1729e09
--- /dev/null
+++ b/packages/SettingsLib/src/com/android/settingslib/AppItem.java
@@ -0,0 +1,85 @@
+/*
+ * 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.settingslib;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.util.SparseBooleanArray;
+
+public class AppItem implements Comparable<AppItem>, Parcelable {
+    public static final int CATEGORY_USER = 0;
+    public static final int CATEGORY_APP_TITLE = 1;
+    public static final int CATEGORY_APP = 2;
+
+    public final int key;
+    public boolean restricted;
+    public int category;
+
+    public SparseBooleanArray uids = new SparseBooleanArray();
+    public long total;
+
+    public AppItem() {
+        this.key = 0;
+    }
+
+    public AppItem(int key) {
+        this.key = key;
+    }
+
+    public AppItem(Parcel parcel) {
+        key = parcel.readInt();
+        uids = parcel.readSparseBooleanArray();
+        total = parcel.readLong();
+    }
+
+    public void addUid(int uid) {
+        uids.put(uid, true);
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeInt(key);
+        dest.writeSparseBooleanArray(uids);
+        dest.writeLong(total);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public int compareTo(AppItem another) {
+        int comparison = Integer.compare(category, another.category);
+        if (comparison == 0) {
+            comparison = Long.compare(another.total, total);
+        }
+        return comparison;
+    }
+
+    public static final Creator<AppItem> CREATOR = new Creator<AppItem>() {
+        @Override
+        public AppItem createFromParcel(Parcel in) {
+            return new AppItem(in);
+        }
+
+        @Override
+        public AppItem[] newArray(int size) {
+            return new AppItem[size];
+        }
+    };
+}
diff --git a/packages/SettingsLib/src/com/android/settingslib/net/ChartData.java b/packages/SettingsLib/src/com/android/settingslib/net/ChartData.java
new file mode 100644
index 0000000..e30aac5
--- /dev/null
+++ b/packages/SettingsLib/src/com/android/settingslib/net/ChartData.java
@@ -0,0 +1,27 @@
+/*
+ * 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.settingslib.net;
+
+import android.net.NetworkStatsHistory;
+
+public class ChartData {
+    public NetworkStatsHistory network;
+
+    public NetworkStatsHistory detail;
+    public NetworkStatsHistory detailDefault;
+    public NetworkStatsHistory detailForeground;
+}
diff --git a/packages/SettingsLib/src/com/android/settingslib/net/ChartDataLoader.java b/packages/SettingsLib/src/com/android/settingslib/net/ChartDataLoader.java
new file mode 100644
index 0000000..223c055
--- /dev/null
+++ b/packages/SettingsLib/src/com/android/settingslib/net/ChartDataLoader.java
@@ -0,0 +1,145 @@
+/*
+ * 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.settingslib.net;
+
+import static android.net.NetworkStats.SET_DEFAULT;
+import static android.net.NetworkStats.SET_FOREGROUND;
+import static android.net.NetworkStats.TAG_NONE;
+import static android.net.NetworkStatsHistory.FIELD_RX_BYTES;
+import static android.net.NetworkStatsHistory.FIELD_TX_BYTES;
+import static android.text.format.DateUtils.HOUR_IN_MILLIS;
+
+import android.content.AsyncTaskLoader;
+import android.content.Context;
+import android.net.INetworkStatsSession;
+import android.net.NetworkStatsHistory;
+import android.net.NetworkTemplate;
+import android.os.Bundle;
+import android.os.RemoteException;
+
+import com.android.settingslib.AppItem;
+
+/**
+ * Loader for historical chart data for both network and UID details.
+ */
+public class ChartDataLoader extends AsyncTaskLoader<ChartData> {
+    private static final String KEY_TEMPLATE = "template";
+    private static final String KEY_APP = "app";
+    private static final String KEY_FIELDS = "fields";
+
+    private final INetworkStatsSession mSession;
+    private final Bundle mArgs;
+
+    public static Bundle buildArgs(NetworkTemplate template, AppItem app) {
+        return buildArgs(template, app, FIELD_RX_BYTES | FIELD_TX_BYTES);
+    }
+
+    public static Bundle buildArgs(NetworkTemplate template, AppItem app, int fields) {
+        final Bundle args = new Bundle();
+        args.putParcelable(KEY_TEMPLATE, template);
+        args.putParcelable(KEY_APP, app);
+        args.putInt(KEY_FIELDS, fields);
+        return args;
+    }
+
+    public ChartDataLoader(Context context, INetworkStatsSession session, Bundle args) {
+        super(context);
+        mSession = session;
+        mArgs = args;
+    }
+
+    @Override
+    protected void onStartLoading() {
+        super.onStartLoading();
+        forceLoad();
+    }
+
+    @Override
+    public ChartData loadInBackground() {
+        final NetworkTemplate template = mArgs.getParcelable(KEY_TEMPLATE);
+        final AppItem app = mArgs.getParcelable(KEY_APP);
+        final int fields = mArgs.getInt(KEY_FIELDS);
+
+        try {
+            return loadInBackground(template, app, fields);
+        } catch (RemoteException e) {
+            // since we can't do much without history, and we don't want to
+            // leave with half-baked UI, we bail hard.
+            throw new RuntimeException("problem reading network stats", e);
+        }
+    }
+
+    private ChartData loadInBackground(NetworkTemplate template, AppItem app, int fields)
+            throws RemoteException {
+        final ChartData data = new ChartData();
+        data.network = mSession.getHistoryForNetwork(template, fields);
+
+        if (app != null) {
+            // load stats for current uid and template
+            final int size = app.uids.size();
+            for (int i = 0; i < size; i++) {
+                final int uid = app.uids.keyAt(i);
+                data.detailDefault = collectHistoryForUid(
+                        template, uid, SET_DEFAULT, data.detailDefault);
+                data.detailForeground = collectHistoryForUid(
+                        template, uid, SET_FOREGROUND, data.detailForeground);
+            }
+
+            if (size > 0) {
+                data.detail = new NetworkStatsHistory(data.detailForeground.getBucketDuration());
+                data.detail.recordEntireHistory(data.detailDefault);
+                data.detail.recordEntireHistory(data.detailForeground);
+            } else {
+                data.detailDefault = new NetworkStatsHistory(HOUR_IN_MILLIS);
+                data.detailForeground = new NetworkStatsHistory(HOUR_IN_MILLIS);
+                data.detail = new NetworkStatsHistory(HOUR_IN_MILLIS);
+            }
+        }
+
+        return data;
+    }
+
+    @Override
+    protected void onStopLoading() {
+        super.onStopLoading();
+        cancelLoad();
+    }
+
+    @Override
+    protected void onReset() {
+        super.onReset();
+        cancelLoad();
+    }
+
+    /**
+     * Collect {@link NetworkStatsHistory} for the requested UID, combining with
+     * an existing {@link NetworkStatsHistory} if provided.
+     */
+    private NetworkStatsHistory collectHistoryForUid(
+            NetworkTemplate template, int uid, int set, NetworkStatsHistory existing)
+            throws RemoteException {
+        final NetworkStatsHistory history = mSession.getHistoryForUid(
+                template, uid, set, TAG_NONE, FIELD_RX_BYTES | FIELD_TX_BYTES);
+
+        if (existing != null) {
+            existing.recordEntireHistory(history);
+            return existing;
+        } else {
+            return history;
+        }
+    }
+}