Settings new dashboard - part 1

- make the Settings dashboard definition be hierarchical (non flat) and use
categories and tiles
- code cleaning: remove mHeaderIndexMap

Change-Id: I16581a736ac5c8388a182d83159161fe3bb04f4b

2 files changed, 307 insertions, 0 deletions

diff --git a/src/com/android/settings/dashboard/DashboardCategory.java b/src/com/android/settings/dashboard/DashboardCategory.java
new file mode 100644
index 0000000..2d08599
--- /dev/null
+++ b/src/com/android/settings/dashboard/DashboardCategory.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2014 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.res.Resources;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.text.TextUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DashboardCategory implements Parcelable {
+
+    /**
+     * Default value for {@link com.android.settings.dashboard.DashboardCategory#id DashboardCategory.id}
+     * indicating that no identifier value is set.  All other values (including those below -1)
+     * are valid.
+     */
+    public static final long CAT_ID_UNDEFINED = -1;
+
+    /**
+     * Identifier for this tile, to correlate with a new list when
+     * it is updated.  The default value is
+     * {@link com.android.settings.dashboard.DashboardTile#TILE_ID_UNDEFINED}, meaning no id.
+     * @attr ref android.R.styleable#PreferenceHeader_id
+     */
+    public long id = CAT_ID_UNDEFINED;
+
+    /**
+     * Resource ID of title of the category that is shown to the user.
+     */
+    public int titleRes;
+
+    /**
+     * Title of the category that is shown to the user.
+     */
+    public CharSequence title;
+
+    /**
+     * List of the category's children
+     */
+    public List<DashboardTile> tiles = new ArrayList<DashboardTile>();
+
+
+    public DashboardCategory() {
+        // Empty
+    }
+
+    public void addTile(DashboardTile tile) {
+        tiles.add(tile);
+    }
+
+    public void addTile(int n, DashboardTile tile) {
+        tiles.add(n, tile);
+    }
+
+    public void removeTile(DashboardTile tile) {
+        tiles.remove(tile);
+    }
+
+    public void removeTile(int n) {
+        tiles.remove(n);
+    }
+
+    public int getTilesCount() {
+        return tiles.size();
+    }
+
+    public DashboardTile getTile(int n) {
+        return tiles.get(n);
+    }
+
+    /**
+     * Return the currently set title.  If {@link #titleRes} is set,
+     * this resource is loaded from <var>res</var> and returned.  Otherwise
+     * {@link #title} is returned.
+     */
+    public CharSequence getTitle(Resources res) {
+        if (titleRes != 0) {
+            return res.getText(titleRes);
+        }
+        return title;
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeInt(titleRes);
+        TextUtils.writeToParcel(title, dest, flags);
+
+        final int count = tiles.size();
+        dest.writeInt(count);
+
+        for (int n = 0; n < count; n++) {
+            DashboardTile tile = tiles.get(n);
+            tile.writeToParcel(dest, flags);
+        }
+    }
+
+    public void readFromParcel(Parcel in) {
+        titleRes = in.readInt();
+        title = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
+
+        final int count = in.readInt();
+
+        for (int n = 0; n < count; n++) {
+            DashboardTile tile = DashboardTile.CREATOR.createFromParcel(in);
+            tiles.add(tile);
+        }
+    }
+}
diff --git a/src/com/android/settings/dashboard/DashboardTile.java b/src/com/android/settings/dashboard/DashboardTile.java
new file mode 100644
index 0000000..1f1d9c2
--- /dev/null
+++ b/src/com/android/settings/dashboard/DashboardTile.java
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) 2014 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.Intent;
+import android.content.res.Resources;
+import android.os.Bundle;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.text.TextUtils;
+
+/**
+ * Description of a single dashboard tile that the user can select.
+ */
+public class DashboardTile implements Parcelable {
+    /**
+     * Default value for {@link com.android.settings.dashboard.DashboardTile#id DashboardTile.id}
+     * indicating that no identifier value is set.  All other values (including those below -1)
+     * are valid.
+     */
+    public static final long TILE_ID_UNDEFINED = -1;
+
+    /**
+     * Identifier for this tile, to correlate with a new list when
+     * it is updated.  The default value is
+     * {@link com.android.settings.dashboard.DashboardTile#TILE_ID_UNDEFINED}, meaning no id.
+     * @attr ref android.R.styleable#PreferenceHeader_id
+     */
+    public long id = TILE_ID_UNDEFINED;
+
+    /**
+     * Resource ID of title of the tile that is shown to the user.
+     * @attr ref android.R.styleable#PreferenceHeader_title
+     */
+    public int titleRes;
+
+    /**
+     * Title of the tile that is shown to the user.
+     * @attr ref android.R.styleable#PreferenceHeader_title
+     */
+    public CharSequence title;
+
+    /**
+     * Resource ID of optional summary describing what this tile controls.
+     * @attr ref android.R.styleable#PreferenceHeader_summary
+     */
+    public int summaryRes;
+
+    /**
+     * Optional summary describing what this tile controls.
+     * @attr ref android.R.styleable#PreferenceHeader_summary
+     */
+    public CharSequence summary;
+
+    /**
+     * Optional icon resource to show for this tile.
+     * @attr ref android.R.styleable#PreferenceHeader_icon
+     */
+    public int iconRes;
+
+    /**
+     * Full class name of the fragment to display when this tile is
+     * selected.
+     * @attr ref android.R.styleable#PreferenceHeader_fragment
+     */
+    public String fragment;
+
+    /**
+     * Optional arguments to supply to the fragment when it is
+     * instantiated.
+     */
+    public Bundle fragmentArguments;
+
+    /**
+     * Intent to launch when the preference is selected.
+     */
+    public Intent intent;
+
+    /**
+     * Optional additional data for use by subclasses of the activity
+     */
+    public Bundle extras;
+
+    public DashboardTile() {
+        // Empty
+    }
+
+    /**
+     * Return the currently set title.  If {@link #titleRes} is set,
+     * this resource is loaded from <var>res</var> and returned.  Otherwise
+     * {@link #title} is returned.
+     */
+    public CharSequence getTitle(Resources res) {
+        if (titleRes != 0) {
+            return res.getText(titleRes);
+        }
+        return title;
+    }
+
+    /**
+     * Return the currently set summary.  If {@link #summaryRes} is set,
+     * this resource is loaded from <var>res</var> and returned.  Otherwise
+     * {@link #summary} is returned.
+     */
+    public CharSequence getSummary(Resources res) {
+        if (summaryRes != 0) {
+            return res.getText(summaryRes);
+        }
+        return summary;
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeLong(id);
+        dest.writeInt(titleRes);
+        TextUtils.writeToParcel(title, dest, flags);
+        dest.writeInt(summaryRes);
+        TextUtils.writeToParcel(summary, dest, flags);
+        dest.writeInt(iconRes);
+        dest.writeString(fragment);
+        dest.writeBundle(fragmentArguments);
+        if (intent != null) {
+            dest.writeInt(1);
+            intent.writeToParcel(dest, flags);
+        } else {
+            dest.writeInt(0);
+        }
+        dest.writeBundle(extras);
+    }
+
+    public void readFromParcel(Parcel in) {
+        id = in.readLong();
+        titleRes = in.readInt();
+        title = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
+        summaryRes = in.readInt();
+        summary = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
+        iconRes = in.readInt();
+        fragment = in.readString();
+        fragmentArguments = in.readBundle();
+        if (in.readInt() != 0) {
+            intent = Intent.CREATOR.createFromParcel(in);
+        }
+        extras = in.readBundle();
+    }
+
+    DashboardTile(Parcel in) {
+        readFromParcel(in);
+    }
+
+    public static final Creator<DashboardTile> CREATOR = new Creator<DashboardTile>() {
+        public DashboardTile createFromParcel(Parcel source) {
+            return new DashboardTile(source);
+        }
+        public DashboardTile[] newArray(int size) {
+            return new DashboardTile[size];
+        }
+    };
+}