Initial implementation

/build

/*

 * Copyright (C) 2019 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.

 */

apply plugin: 'com.android.application'

android {

    compileSdkVersion 28

    defaultConfig {

        applicationId "org.lineageos.backgrounds"

        minSdkVersion 27

        targetSdkVersion 28

        versionCode 1

        versionName "1.0"

    }

    buildTypes {

        release {

            minifyEnabled false

            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'

        }

    }

    compileOptions {

        sourceCompatibility JavaVersion.VERSION_1_8

        targetCompatibility JavaVersion.VERSION_1_8

    }

    sourceSets {

        main {

            res.srcDirs = ['src/main/res', 'src/main/res_1080p']

        }

    }

}

dependencies {

    implementation 'androidx.appcompat:appcompat:1.0.2'

    implementation 'androidx.palette:palette:1.0.0'

    implementation 'androidx.recyclerview:recyclerview:1.0.0'

}

# Add project specific ProGuard rules here.

# You can control the set of applied configuration files using the

# proguardFiles setting in build.gradle.

#

# For more details, see

#   http://developer.android.com/guide/developing/tools/proguard.html

# If your project uses WebView with JS, uncomment the following

# and specify the fully qualified class name to the JavaScript interface

# class:

#-keepclassmembers class fqcn.of.javascript.interface.for.webview {

#   public *;

#}

# Uncomment this to preserve the line number information for

# debugging stack traces.

#-keepattributes SourceFile,LineNumberTable

# If you keep the line number information, uncomment this to

# hide the original source file name.

#-renamesourcefileattribute SourceFile

<!--

  Copyright (C) 2019 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.

  -->

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    package="org.lineageos.backgrounds">

    <uses-permission android:name="android.permission.SET_WALLPAPER" />

    <application

        android:allowBackup="false"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        android:supportsRtl="true"

        android:theme="@style/AppTheme"

        tools:ignore="GoogleAppIndexingWarning">

        <activity android:name=".ui.MainActivity">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

        <activity android:name=".ui.ApplyActivity" />

        <provider

            android:name="androidx.core.content.FileProvider"

            android:authorities="org.lineageos.backgrounds.files"

            android:exported="false"

            android:grantUriPermissions="true">

            <meta-data

                android:name="android.support.FILE_PROVIDER_PATHS"

                android:resource="@xml/provider_paths" />

        </provider>

    </application>

</manifest>

/*

 * Copyright (C) 2019 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.

 */

package org.lineageos.backgrounds.adapters;

import android.view.LayoutInflater;

import android.view.ViewGroup;

import androidx.annotation.NonNull;

import androidx.recyclerview.widget.DiffUtil;

import androidx.recyclerview.widget.RecyclerView;

import org.lineageos.backgrounds.R;

import org.lineageos.backgrounds.bundle.WallpaperBundle;

import org.lineageos.backgrounds.bundle.WallpaperType;

import org.lineageos.backgrounds.holders.UserHolder;

import org.lineageos.backgrounds.holders.WallpaperHolder;

import org.lineageos.backgrounds.ui.SelectionInterface;

import org.lineageos.backgrounds.util.TypeConverter;

import java.util.ArrayList;

import java.util.List;

public final class WallsAdapter extends RecyclerView.Adapter<WallpaperHolder> {

    private final SelectionInterface mCallback;

    private List<WallpaperBundle> mData = new ArrayList<>();

    public WallsAdapter(@NonNull final SelectionInterface callback) {

        mCallback = callback;

    }

    @NonNull

    @Override

    public WallpaperHolder onCreateViewHolder(@NonNull final ViewGroup parent,

                                              final int viewType) {

        final WallpaperType type = TypeConverter.intToWallpaperType(viewType);

        switch (type) {

            case BUILT_IN:

            case DEFAULT:

            case MONO:

                return buildDefaultHolder(parent);

            default:

                return buildUserHolder(parent);

        }

    }

    @Override

    public void onBindViewHolder(final @NonNull WallpaperHolder holder, final int position) {

        final WallpaperBundle bundle = mData.get(position);

        holder.bind(bundle);

    }

    @Override

    public int getItemCount() {

        return mData.size();

    }

    @Override

    public int getItemViewType(final int position) {

        return TypeConverter.wallpaperTypeToInt(mData.get(position).getType());

    }

    public void setData(final List<WallpaperBundle> data) {

        final WallsDiffCallback callback = new WallsDiffCallback(mData, data);

        DiffUtil.calculateDiff(callback).dispatchUpdatesTo(this);

        mData = data;

    }

    // Reified generics when java?

    @NonNull

    private WallpaperHolder buildDefaultHolder(@NonNull final ViewGroup parent) {

        LayoutInflater inflater = LayoutInflater.from(parent.getContext());

        return new WallpaperHolder(inflater.inflate(R.layout.item_wallpaper,

                parent, false), mCallback);

    }

    @NonNull

    private UserHolder buildUserHolder(@NonNull final ViewGroup parent) {

        LayoutInflater inflater = LayoutInflater.from(parent.getContext());

        return new UserHolder(inflater.inflate(R.layout.item_wallpaper,

                parent, false), mCallback);

    }

}