feat(googlephotos): add custom branding patch

patches/src/main/kotlin/app/morphe/patches/googlephotos/layout/branding/CustomBrandingPatch.kt

@@ -0,0 +1,96 @@
+package app.morphe.patches.googlephotos.layout.branding
+
+import app.morphe.patcher.patch.resourcePatch
+import app.morphe.util.ResourceGroup
+import app.morphe.util.copyResources
+import app.morphe.util.forEachChildElement
+import org.w3c.dom.Element
+
+private const val ICON_RESOURCE_NAME = "morphe_photos_launcher"
+private const val APP_NAME = "ReVanced Google Photos"
+
+private val mipmapDirectories = listOf(
+    "mipmap-mdpi",
+    "mipmap-hdpi",
+    "mipmap-xhdpi",
+    "mipmap-xxhdpi",
+    "mipmap-xxxhdpi",
+)
+
+/**
+ * Returns true if this element contains a child <intent-filter>
+ * with the android.intent.category.LAUNCHER category.
+ */
+private fun Element.hasLauncherIntent(): Boolean {
+    forEachChildElement { child ->
+        if (child.tagName == "intent-filter") {
+            child.forEachChildElement { inner ->
+                if (inner.tagName == "category" &&
+                    inner.getAttribute("android:name") == "android.intent.category.LAUNCHER"
+                ) return true
+            }
+        }
+    }
+    return false
+}
+
+private fun Element.applyBranding() {
+    setAttribute("android:label", APP_NAME)
+    setAttribute("android:icon", "@mipmap/$ICON_RESOURCE_NAME")
+    if (hasAttribute("android:roundIcon")) {
+        setAttribute("android:roundIcon", "@mipmap/$ICON_RESOURCE_NAME")
+    }
+}
+
+@Suppress("unused")
+val customBrandingPatch = resourcePatch(
+    name = "Custom branding",
+    description = "Changes the app name to \"$APP_NAME\" and replaces the app icon.",
+) {
+    execute {
+        // 1. Read the original launcher icon resource name from the manifest,
+        //    then patch all manifest entries that affect what the launcher shows.
+        var originalIconName = ""
+        document("AndroidManifest.xml").use { document ->
+            val application = document.getElementsByTagName("application").item(0) as Element
+
+            // Capture original icon name (e.g. "ic_launcher_photos") before overwriting.
+            originalIconName = application
+                .getAttribute("android:icon")
+                .removePrefix("@mipmap/")
+                .removePrefix("@drawable/")
+
+            // Patch <application> tag.
+            application.applyBranding()
+
+            // Patch any <activity-alias> or <activity> that owns the LAUNCHER intent,
+            // because those override the application-level label and icon in the launcher.
+            for (tag in listOf("activity-alias", "activity")) {
+                val nodes = document.getElementsByTagName(tag)
+                for (i in 0 until nodes.length) {
+                    val element = nodes.item(i) as Element
+                    if (element.hasLauncherIntent()) element.applyBranding()
+                }
+            }
+        }
+
+        // 2. Copy our bundled PNG into the APK as a new named resource.
+        mipmapDirectories.forEach { dpi ->
+            copyResources(
+                "googlephotos-branding",
+                ResourceGroup(dpi, "$ICON_RESOURCE_NAME.png"),
+            )
+        }
+
+        // 3. Overwrite the original launcher icon files so the splash screen
+        //    (which still references the original resource name internally) shows our icon.
+        if (originalIconName.isNotEmpty() && originalIconName != ICON_RESOURCE_NAME) {
+            val resDir = get("res")
+            mipmapDirectories.forEach { dpi ->
+                val src = resDir.resolve("$dpi/$ICON_RESOURCE_NAME.png")
+                val dst = resDir.resolve("$dpi/$originalIconName.png")
+                if (src.exists() && dst.exists()) src.copyTo(dst, overwrite = true)
+            }
+        }
+    }
+}