Enable WebP decoding in Signal using libwebp v1.3.2

Co-authored-by: Greyson Parrelli <greyson@signal.org>
Co-authored-by: Greyson Parrelli <greyson@pop-os.localdomain>

glide-webp/app/src/main/AndroidManifest.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2023 Signal Messenger, LLC
+  ~ SPDX-License-Identifier: AGPL-3.0-only
+  -->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Signal">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.Signal">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

glide-webp/app/src/main/java/org/signal/glide/webp/app/MainActivity.kt

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+/*
+ * Copyright 2023 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.signal.glide.webp.app
+
+import android.net.Uri
+import android.os.Bundle
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageView
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
+import com.bumptech.glide.Glide
+import com.bumptech.glide.GlideBuilder
+import com.bumptech.glide.load.engine.DiskCacheStrategy
+import org.signal.core.util.dp
+
+/**
+ * Main activity for this sample app.
+ */
+class MainActivity : AppCompatActivity() {
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    setContentView(R.layout.main_activitiy)
+
+    Glide.init(
+      this,
+      GlideBuilder()
+        .setLogLevel(Log.VERBOSE)
+    )
+
+    val context = this
+
+    findViewById<RecyclerView>(R.id.list).apply {
+      adapter = ImageAdapter()
+      layoutManager = LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false)
+    }
+  }
+
+  class ImageAdapter : RecyclerView.Adapter<ImageViewHolder>() {
+
+    private val data: List<String> = listOf(
+      "test_01.webp",
+      "test_02.webp",
+      "test_03.webp",
+      "test_04.webp",
+      "test_05.webp",
+      "test_06_lossless.webp",
+      "test_06_lossy.webp",
+      "test_07_lossless.webp"
+    )
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ImageViewHolder {
+      return ImageViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.image_item, parent, false))
+    }
+
+    override fun getItemCount(): Int {
+      return data.size
+    }
+
+    override fun onBindViewHolder(holder: ImageViewHolder, position: Int) {
+      holder.bind(data[position])
+    }
+  }
+
+  class ImageViewHolder(itemView: View) : ViewHolder(itemView) {
+    val image: ImageView by lazy { itemView.findViewById(R.id.image) }
+
+    fun bind(filename: String) {
+      Glide.with(itemView)
+        .load(Uri.parse("file:///android_asset/$filename"))
+        .skipMemoryCache(true)
+        .diskCacheStrategy(DiskCacheStrategy.NONE)
+        .override(250.dp)
+        .into(image)
+    }
+  }
+}

glide-webp/app/src/main/java/org/signal/glide/webp/app/SampleAppGlideModule.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2023 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.signal.glide.webp.app
+
+import android.content.Context
+import com.bumptech.glide.Glide
+import com.bumptech.glide.Registry
+import com.bumptech.glide.annotation.GlideModule
+import com.bumptech.glide.module.AppGlideModule
+import org.signal.core.util.logging.Log
+
+@GlideModule
+class SampleAppGlideModule : AppGlideModule() {
+  override fun registerComponents(context: Context, glide: Glide, registry: Registry) {
+    Log.e("SPIDERMAN", "AppModule - registerComponents")
+  }
+}

glide-webp/app/src/main/java/org/signal/glide/webp/app/theme/Color.kt

@@ -0,0 +1,16 @@
+/*
+ * Copyright 2023 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.signal.glide.webp.app.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)

glide-webp/app/src/main/java/org/signal/glide/webp/app/theme/Theme.kt

@@ -0,0 +1,75 @@
+/*
+ * Copyright 2023 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.signal.glide.webp.app.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.SideEffect
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+
+private val DarkColorScheme = darkColorScheme(
+  primary = Purple80,
+  secondary = PurpleGrey80,
+  tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+  primary = Purple40,
+  secondary = PurpleGrey40,
+  tertiary = Pink40
+
+  /* Other default colors to override
+    background = Color(0xFFFFFBFE),
+    surface = Color(0xFFFFFBFE),
+    onPrimary = Color.White,
+    onSecondary = Color.White,
+    onTertiary = Color.White,
+    onBackground = Color(0xFF1C1B1F),
+    onSurface = Color(0xFF1C1B1F),
+   */
+)
+
+@Composable
+fun SignalTheme(
+  darkTheme: Boolean = isSystemInDarkTheme(),
+  // Dynamic color is available on Android 12+
+  dynamicColor: Boolean = true,
+  content: @Composable () -> Unit
+) {
+  val colorScheme = when {
+    dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+      val context = LocalContext.current
+      if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+    }
+
+    darkTheme -> DarkColorScheme
+    else -> LightColorScheme
+  }
+  val view = LocalView.current
+  if (!view.isInEditMode) {
+    SideEffect {
+      val window = (view.context as Activity).window
+      window.statusBarColor = colorScheme.primary.toArgb()
+      WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+    }
+  }
+
+  MaterialTheme(
+    colorScheme = colorScheme,
+    typography = Typography,
+    content = content
+  )
+}

glide-webp/app/src/main/java/org/signal/glide/webp/app/theme/Type.kt

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2023 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.signal.glide.webp.app.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+  bodyLarge = TextStyle(
+    fontFamily = FontFamily.Default,
+    fontWeight = FontWeight.Normal,
+    fontSize = 16.sp,
+    lineHeight = 24.sp,
+    letterSpacing = 0.5.sp
+  )
+  /* Other default text styles to override
+    titleLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 22.sp,
+        lineHeight = 28.sp,
+        letterSpacing = 0.sp
+    ),
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Medium,
+        fontSize = 11.sp,
+        lineHeight = 16.sp,
+        letterSpacing = 0.5.sp
+    )
+   */
+)

glide-webp/app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,35 @@
+<!--
+  ~ Copyright 2023 Signal Messenger, LLC
+  ~ SPDX-License-Identifier: AGPL-3.0-only
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

glide-webp/app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,175 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2023 Signal Messenger, LLC
+  ~ SPDX-License-Identifier: AGPL-3.0-only
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

glide-webp/app/src/main/res/layout/image_item.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright 2023 Signal Messenger, LLC
+  ~ SPDX-License-Identifier: AGPL-3.0-only
+  -->
+
+<ImageView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/image"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_margin="4dp">
+</ImageView>

glide-webp/app/src/main/res/layout/main_activitiy.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright 2023 Signal Messenger, LLC
+  ~ SPDX-License-Identifier: AGPL-3.0-only
+  -->
+
+
+<androidx.recyclerview.widget.RecyclerView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/list"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+</androidx.recyclerview.widget.RecyclerView>

glide-webp/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2023 Signal Messenger, LLC
+  ~ SPDX-License-Identifier: AGPL-3.0-only
+  -->
+
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

glide-webp/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2023 Signal Messenger, LLC
+  ~ SPDX-License-Identifier: AGPL-3.0-only
+  -->
+
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

glide-webp/app/src/main/res/values/colors.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2023 Signal Messenger, LLC
+  ~ SPDX-License-Identifier: AGPL-3.0-only
+  -->
+
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

glide-webp/app/src/main/res/values/strings.xml

@@ -0,0 +1,8 @@
+<!--
+  ~ Copyright 2023 Signal Messenger, LLC
+  ~ SPDX-License-Identifier: AGPL-3.0-only
+  -->
+
+<resources>
+    <string name="app_name">Glide WebP</string>
+</resources>

glide-webp/app/src/main/res/values/themes.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2023 Signal Messenger, LLC
+  ~ SPDX-License-Identifier: AGPL-3.0-only
+  -->
+
+<resources>
+    <style name="Theme.Signal" parent="Theme.AppCompat.NoActionBar" />
+</resources>