Trebuchet: icon packs support

Based on the following commits:
* https://github.com/AOSPA/android_packages_apps_Launcher3/commit/cf4bde2098de8beec24a0c88bf2e51e19a9c22b6
* https://github.com/AOSPA/android_packages_apps_Launcher3/commit/8ddafe17ad6adc268ad1a93b7724d8b22028a71b
* https://github.com/AOSPA/android_packages_apps_Launcher3/commit/0940176c3c01a1f87237811f42d05a592b0968b3

With the following additions:
* Support for adaptive icons
* UI changes
* Cleanup and improvements

Change-Id: I877a8b2dd204753179736fa7c1c34444e9b2c849
Signed-off-by: Joey Rizzoli <joey@lineageos.org>

16 files changed, 400 insertions, 1 deletions

diff --git a/res/drawable/ic_edit_app_no_shadow.xml b/res/drawable/ic_edit_app_no_shadow.xml
new file mode 100644
index 000000000..d713ffdab
--- /dev/null
+++ b/res/drawable/ic_edit_app_no_shadow.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:tint="?android:attr/textColorPrimary" >
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M7,14c-1.66,0 -3,1.34 -3,3 0,1.31 -1.16,2 -2,2 0.92,1.22 2.49,2 4,2 2.21,0 4,-1.79 4,-4 0,-1.66 -1.34,-3 -3,-3zM20.71,4.63l-1.34,-1.34c-0.39,-0.39 -1.02,-0.39 -1.41,0L9,12.25 11.75,15l8.96,-8.96c0.39,-0.39 0.39,-1.02 0,-1.41z" />
+</vector>
diff --git a/res/drawable/ic_icon_change.xml b/res/drawable/ic_icon_change.xml
new file mode 100644
index 000000000..6495da6df
--- /dev/null
+++ b/res/drawable/ic_icon_change.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:start="31dp"
+        android:top="31dp">
+        <shape android:shape="oval">
+            <solid android:color="?android:colorAccent" />
+        </shape>
+    </item>
+    <item
+        android:start="31dp"
+        android:top="31dp">
+        <vector xmlns:android="http://schemas.android.com/apk/res/android"
+            android:width="16dp"
+            android:height="16dp"
+            android:viewportHeight="24"
+            android:viewportWidth="24">
+
+            <group
+                android:scaleX="0.75"
+                android:scaleY="0.75"
+                android:translateX="3"
+                android:translateY="3">
+                <path
+                    android:fillColor="#aa000000"
+                    android:pathData="M20.71,4.63L19.37,3.29C19,2.9 18.35,2.9 17.96,3.29L9,12.25L11.75,15L20.71,6.04C21.1,5.65 21.1,5 20.71,4.63M7,14A3,3 0 0,0 4,17C4,18.31 2.84,19 2,19C2.92,20.22 4.5,21 6,21A4,4 0 0,0 10,17A3,3 0 0,0 7,14Z" />
+            </group>
+        </vector>
+    </item>
+</layer-list>
diff --git a/res/drawable/ic_search.xml b/res/drawable/ic_search.xml
new file mode 100644
index 000000000..affc7ba26
--- /dev/null
+++ b/res/drawable/ic_search.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M15.5,14h-0.79l-0.28,-0.27C15.41,12.59 16,11.11 16,9.5 16,5.91 13.09,3 9.5,3S3,5.91 3,9.5 5.91,16 9.5,16c1.61,0 3.09,-0.59 4.23,-1.57l0.27,0.28v0.79l5,4.99L20.49,19l-4.99,-5zM9.5,14C7.01,14 5,11.99 5,9.5S7.01,5 9.5,5 14,7.01 14,9.5 11.99,14 9.5,14z"/>
+</vector>
diff --git a/res/layout/all_icons_view.xml b/res/layout/all_icons_view.xml
new file mode 100644
index 000000000..f6707bc95
--- /dev/null
+++ b/res/layout/all_icons_view.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2017 The LineageOS Project
+     Copyright (C) 2017 Paranoid Android
+
+     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.
+-->
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:id="@+id/icons_grid_name_header"
+        android:layout_width="match_parent"
+        android:layout_height="48dp"
+        android:background="@color/icon_picker_header_background"
+        android:elevation="6dp"
+        android:gravity="center_vertical"
+        android:orientation="horizontal"
+        android:paddingEnd="16dp"
+        android:paddingStart="16dp">
+
+        <ImageView
+            android:id="@+id/icons_grid_name_header_icon"
+            android:layout_width="32dp"
+            android:layout_height="32dp"
+            android:layout_marginEnd="16dp" />
+
+        <TextView
+            android:id="@+id/icons_grid_name_header_title"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center_vertical"
+            android:maxLines="1"
+            android:textAppearance="@android:style/TextAppearance.Material.Title"
+            android:textColor="@color/icon_picker_header_foreground" />
+    </LinearLayout>
+
+    <ProgressBar
+        android:id="@+id/icons_grid_progress"
+        style="?android:attr/progressBarStyle"
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:layout_centerInParent="true" />
+
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/icons_grid"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/icons_grid_name_header"
+        android:layout_centerHorizontal="true" />
+</RelativeLayout>
diff --git a/res/layout/all_icons_view_header.xml b/res/layout/all_icons_view_header.xml
new file mode 100644
index 000000000..ba15ff2dd
--- /dev/null
+++ b/res/layout/all_icons_view_header.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2017 The LineageOS Projecy
+     Copyright (C) 2017 Paranoid Android
+
+     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.
+-->
+
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="48dp"
+    android:paddingStart="24dp"
+    android:paddingBottom="8dp"
+    android:paddingTop="16dp"
+    android:textAppearance="@android:style/TextAppearance.Material.Body2" />
diff --git a/res/layout/target_edit_dialog.xml b/res/layout/target_edit_dialog.xml
new file mode 100644
index 000000000..da66a9c2c
--- /dev/null
+++ b/res/layout/target_edit_dialog.xml
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2017 The LineageOS Project
+     Copyright (C) 2017 Paranoid Android
+
+     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.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:padding="16dp">
+
+    <ImageView
+        android:id="@+id/edit_dialog_icon"
+        android:layout_width="@dimen/app_icon_size"
+        android:layout_height="@dimen/app_icon_size"
+        android:layout_gravity="bottom"
+        android:layout_marginEnd="16dp"
+        android:background="?android:selectableItemBackground"
+        android:foreground="@drawable/ic_icon_change"
+        android:scaleType="fitCenter"
+        tools:src="@mipmap/ic_launcher_home" />
+
+    <EditText
+        android:id="@+id/edit_dialog_title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical|start"
+        android:ellipsize="end"
+        android:labelFor="@id/edit_dialog_icon"
+        android:maxLines="1"
+        android:textAlignment="viewStart"
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        android:textColor="?android:textColorPrimary"
+        android:textColorHint="?android:textColorSecondary"
+        tools:text="Trebuchet" />
+</LinearLayout>
diff --git a/res/layout/target_edit_dialog_item.xml b/res/layout/target_edit_dialog_item.xml
new file mode 100644
index 000000000..70492b565
--- /dev/null
+++ b/res/layout/target_edit_dialog_item.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2017 The LineageOS Project
+     Copyright (C) 2017 Paranoid Android
+
+     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.
+-->
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingStart="16dp"
+    android:paddingEnd="16dp"
+    android:ellipsize="end"
+    android:gravity="center_vertical"
+    android:maxLines="1"
+    android:minHeight="?android:attr/listPreferredItemHeightSmall"
+    android:textColor="?android:attr/textColorAlertDialogListItem"
+    android:textSize="14sp" />
diff --git a/res/layout/target_edit_iconpack_chooser.xml b/res/layout/target_edit_iconpack_chooser.xml
new file mode 100644
index 000000000..a7c9fad3d
--- /dev/null
+++ b/res/layout/target_edit_iconpack_chooser.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2017 The LineageOS Project
+     Copyright (C) 2017 Paranoid Android
+
+     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.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent"
+    android:gravity="center_vertical"
+    android:orientation="horizontal"
+    android:paddingBottom="8dp"
+    android:paddingEnd="16dp"
+    android:paddingStart="16dp"
+    android:paddingTop="8dp">
+
+    <ImageView
+        android:id="@+id/icon"
+        android:layout_width="@android:dimen/app_icon_size"
+        android:layout_height="@android:dimen/app_icon_size" />
+
+    <TextView
+        android:id="@+id/title"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:paddingEnd="8dp"
+        android:paddingStart="8dp"
+        android:textAppearance="?android:attr/textAppearanceListItemSmall"
+        android:textColor="?android:attr/textColorAlertDialogListItem"
+        android:textSize="18sp" />
+
+    <RadioButton
+        android:id="@+id/radio"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:clickable="false"
+        android:duplicateParentState="true"
+        android:focusable="false" />
+</LinearLayout>
diff --git a/res/menu/icon_picker.xml b/res/menu/icon_picker.xml
new file mode 100644
index 000000000..93d8506f2
--- /dev/null
+++ b/res/menu/icon_picker.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2017 The LineageOS 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.
+-->
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/icon_picker_search"
+        android:showAsAction="ifRoom"
+        android:title="@string/icon_pack_picker_search"
+        android:icon="@drawable/ic_search"
+        android:actionViewClass="android.widget.SearchView" />
+</menu>
\ No newline at end of file
diff --git a/res/values-v26/lineageos_colors.xml b/res/values-v26/lineageos_colors.xml
new file mode 100644
index 000000000..6eafd11e6
--- /dev/null
+++ b/res/values-v26/lineageos_colors.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2017 The LineageOS 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.
+-->
+<resources>
+    <color name="icon_picker_header_background">#eeeeee</color>
+    <color name="icon_picker_header_foreground">@color/badge_color</color>
+</resources>
\ No newline at end of file
diff --git a/res/values/config.xml b/res/values/config.xml
index d84ad3b15..f87d7a839 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -105,7 +105,7 @@
     <string name="app_filter_class" translatable="false"></string>
 
     <!-- Name of an icon provider class. -->
-    <string name="icon_provider_class" translatable="false"></string>
+    <string name="icon_provider_class" translatable="false">com.android.launcher3.icons.CustomIconsProvider</string>
 
     <!-- Name of a drawable factory class. -->
     <string name="drawable_factory_class" translatable="false"></string>
diff --git a/res/values/lineage_colors.xml b/res/values/lineage_colors.xml
new file mode 100644
index 000000000..27cc41a82
--- /dev/null
+++ b/res/values/lineage_colors.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2017 The LineageOS 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.
+-->
+<resources>
+    <color name="icon_settings_background">#333333</color>
+    <color name="icon_settings_text">#f5f5f5</color>
+
+    <color name="icon_picker_header_background">#37474f</color>
+    <color name="icon_picker_header_foreground">#ffffff</color>
+
+    <color name="dialog_background_light">#ffffff</color>
+    <color name="dialog_background_dark">#424242</color>
+</resources>
\ No newline at end of file
diff --git a/res/values/lineage_dimens.xml b/res/values/lineage_dimens.xml
new file mode 100644
index 000000000..89d39c6e6
--- /dev/null
+++ b/res/values/lineage_dimens.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2017 The LineageOS 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.
+-->
+<resources>
+    <dimen name="app_icon_size">62dp</dimen>
+    <dimen name="icon_pack_icon_size">48dp</dimen>
+    <dimen name="icon_pack_vertical_margin">8dp</dimen>
+    <dimen name="edit_dialog_min_width">200dp</dimen>
+    <dimen name="grid_item_spacing">16dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/res/values/lineage_strings.xml b/res/values/lineage_strings.xml
index af71c9f64..8f8ac099c 100644
--- a/res/values/lineage_strings.xml
+++ b/res/values/lineage_strings.xml
@@ -40,4 +40,17 @@
     <!-- Hide labels -->
     <string name="desktop_show_labels">Show icon labels on desktop</string>
     <string name="drawer_show_labels">Show icon labels in drawer</string>
+
+    <!-- Custom icons -->
+    <string name="app_edit_drop_target_label">Edit</string>
+    <string name="icon_pack_title">Icon pack</string>
+    <string name="icon_pack_picker">Select icon</string>
+    <string name="icon_pack_picker_search">Search icon</string>
+    <string name="icon_pack_suggestions">Suggestions</string>
+    <string name="icon_pack_all_icons">All icons</string>
+    <string name="icon_pack_reset">Reset</string>
+    <string name="icon_pack_system">System (Default)</string>
+
+    <!-- Default icon pack package name. Override to set a default icon pack, use "Default" to use system icons -->
+    <string name="icon_pack_default" translatable="false">Default</string>
 </resources>
diff --git a/res/values/lineage_styles.xml b/res/values/lineage_styles.xml
new file mode 100644
index 000000000..330f235ff
--- /dev/null
+++ b/res/values/lineage_styles.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2017 The LineageOS 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.
+-->
+<resources>
+    <style name="ChooseIconTheme" parent="android:style/Theme.DeviceDefault.Settings">
+        <item name="android:colorBackground">@color/icon_settings_background</item>
+    </style>
+
+    <style name="TextAppearance.Switch" parent="@android:style/TextAppearance.Material.Title" />
+
+</resources>
\ No newline at end of file
diff --git a/res/xml/launcher_preferences.xml b/res/xml/launcher_preferences.xml
index f4663935d..22bd3e514 100644
--- a/res/xml/launcher_preferences.xml
+++ b/res/xml/launcher_preferences.xml
@@ -83,4 +83,8 @@
         android:title="@string/drawer_show_labels"
         android:defaultValue="true"
         android:persistent="true" />
+
+    <Preference
+        android:key="pref_icon_pack"
+        android:title="@string/icon_pack_title" />
 </PreferenceScreen>