Merge pull request #92704 from m4gr3d/update_android_editor_activity_layout

Consolidate the ProjectManager and Editor windows into a single Android Activity class

3 files changed, 99 insertions, 98 deletions

diff --git a/platform/android/java/editor/src/main/AndroidManifest.xml b/platform/android/java/editor/src/main/AndroidManifest.xml
index 78dcddac0e..f646ef3f51 100644
--- a/platform/android/java/editor/src/main/AndroidManifest.xml
+++ b/platform/android/java/editor/src/main/AndroidManifest.xml
@@ -32,13 +32,11 @@
         android:requestLegacyExternalStorage="true">
 
         <activity
-            android:name=".GodotProjectManager"
+            android:name=".GodotEditor"
             android:configChanges="orientation|keyboardHidden|screenSize|smallestScreenSize|density|keyboard|navigation|screenLayout|uiMode"
             android:launchMode="singleTask"
             android:screenOrientation="userLandscape"
-            android:exported="true"
-            android:process=":GodotProjectManager">
-
+            android:exported="true">
             <layout android:defaultHeight="@dimen/editor_default_window_height"
                 android:defaultWidth="@dimen/editor_default_window_width" />
 
@@ -50,17 +48,6 @@
         </activity>
 
         <activity
-            android:name=".GodotEditor"
-            android:configChanges="orientation|keyboardHidden|screenSize|smallestScreenSize|density|keyboard|navigation|screenLayout|uiMode"
-            android:process=":GodotEditor"
-            android:launchMode="singleTask"
-            android:screenOrientation="userLandscape"
-            android:exported="false">
-            <layout android:defaultHeight="@dimen/editor_default_window_height"
-                android:defaultWidth="@dimen/editor_default_window_width" />
-        </activity>
-
-        <activity
             android:name=".GodotGame"
             android:configChanges="orientation|keyboardHidden|screenSize|smallestScreenSize|density|keyboard|navigation|screenLayout|uiMode"
             android:label="@string/godot_project_name_string"
diff --git a/platform/android/java/editor/src/main/java/org/godotengine/editor/GodotProjectManager.kt b/platform/android/java/editor/src/main/java/org/godotengine/editor/EditorWindowInfo.kt
index 68ca5697f1..0da1d01aed 100644
--- a/platform/android/java/editor/src/main/java/org/godotengine/editor/GodotProjectManager.kt
+++ b/platform/android/java/editor/src/main/java/org/godotengine/editor/EditorWindowInfo.kt
@@ -1,5 +1,5 @@
 /**************************************************************************/
-/*  GodotProjectManager.kt                                                */
+/*  EditorWindowInfo.kt                                                   */
 /**************************************************************************/
 /*                         This file is part of:                          */
 /*                             GODOT ENGINE                               */
@@ -31,14 +31,38 @@
 package org.godotengine.editor
 
 /**
- * Launcher activity for the Godot Android Editor.
- *
- * It presents the user with the project manager interface.
- * Upon selection of a project, this activity (via its parent logic) starts the
- * [GodotEditor] activity.
+ * Specifies the policy for adjacent launches.
  */
-class GodotProjectManager : GodotEditor() {
-	override fun checkForProjectPermissionsToEnable() {
-		// Nothing to do here.. we have yet to select a project to load.
-	}
+enum class LaunchAdjacentPolicy {
+	/**
+	 * Adjacent launches are disabled.
+	 */
+	DISABLED,
+
+	/**
+	 * Adjacent launches are enabled / disabled based on the device and screen metrics.
+	 */
+	AUTO,
+
+	/**
+	 * Adjacent launches are enabled.
+	 */
+	ENABLED
+}
+
+/**
+ * Describe the editor window to launch
+ */
+data class EditorWindowInfo(
+	val windowClassName: String,
+	val windowId: Int,
+	val processNameSuffix: String,
+	val launchAdjacentPolicy: LaunchAdjacentPolicy = LaunchAdjacentPolicy.DISABLED
+) {
+	constructor(
+		windowClass: Class<*>,
+		windowId: Int,
+		processNameSuffix: String,
+		launchAdjacentPolicy: LaunchAdjacentPolicy = LaunchAdjacentPolicy.DISABLED
+	) : this(windowClass.name, windowId, processNameSuffix, launchAdjacentPolicy)
 }
diff --git a/platform/android/java/editor/src/main/java/org/godotengine/editor/GodotEditor.kt b/platform/android/java/editor/src/main/java/org/godotengine/editor/GodotEditor.kt
index c9a62d24b7..52acd63674 100644
--- a/platform/android/java/editor/src/main/java/org/godotengine/editor/GodotEditor.kt
+++ b/platform/android/java/editor/src/main/java/org/godotengine/editor/GodotEditor.kt
@@ -32,12 +32,14 @@ package org.godotengine.editor
 
 import android.Manifest
 import android.app.ActivityManager
+import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.os.*
 import android.util.Log
 import android.widget.Toast
+import androidx.annotation.CallSuper
 import androidx.window.layout.WindowMetricsCalculator
 import org.godotengine.godot.GodotActivity
 import org.godotengine.godot.GodotLib
@@ -64,18 +66,15 @@ open class GodotEditor : GodotActivity() {
 
 		private const val EXTRA_COMMAND_LINE_PARAMS = "command_line_params"
 
-		private const val EDITOR_ID = 777
+		// Command line arguments
 		private const val EDITOR_ARG = "--editor"
 		private const val EDITOR_ARG_SHORT = "-e"
-		private const val EDITOR_PROCESS_NAME_SUFFIX = ":GodotEditor"
+		private const val EDITOR_PROJECT_MANAGER_ARG = "--project-manager"
+		private const val EDITOR_PROJECT_MANAGER_ARG_SHORT = "-p"
 
-		private const val GAME_ID = 667
-		private const val GAME_PROCESS_NAME_SUFFIX = ":GodotGame"
-
-		private const val PROJECT_MANAGER_ID = 555
-		private const val PROJECT_MANAGER_ARG = "--project-manager"
-		private const val PROJECT_MANAGER_ARG_SHORT = "-p"
-		private const val PROJECT_MANAGER_PROCESS_NAME_SUFFIX = ":GodotProjectManager"
+		// Info for the various classes used by the editor
+		internal val EDITOR_MAIN_INFO = EditorWindowInfo(GodotEditor::class.java, 777, "")
+		internal val RUN_GAME_INFO = EditorWindowInfo(GodotGame::class.java, 667, ":GodotGame", LaunchAdjacentPolicy.AUTO)
 
 		/**
 		 * Sets of constants to specify the window to use to run the project.
@@ -96,8 +95,8 @@ open class GodotEditor : GodotActivity() {
 		PermissionsUtil.requestManifestPermissions(this, setOf(Manifest.permission.RECORD_AUDIO))
 
 		val params = intent.getStringArrayExtra(EXTRA_COMMAND_LINE_PARAMS)
-		Log.d(TAG, "Received parameters ${params.contentToString()}")
-		updateCommandLineParams(params)
+		Log.d(TAG, "Starting intent $intent with parameters ${params.contentToString()}")
+		updateCommandLineParams(params?.asList() ?: emptyList())
 
 		if (BuildConfig.BUILD_TYPE == "dev" && WAIT_FOR_DEBUGGER) {
 			Debug.waitForDebugger()
@@ -133,98 +132,85 @@ open class GodotEditor : GodotActivity() {
 		}
 	}
 
-	private fun updateCommandLineParams(args: Array<String>?) {
+	@CallSuper
+	protected open fun updateCommandLineParams(args: List<String>) {
 		// Update the list of command line params with the new args
 		commandLineParams.clear()
-		if (!args.isNullOrEmpty()) {
-			commandLineParams.addAll(listOf(*args))
+		if (args.isNotEmpty()) {
+			commandLineParams.addAll(args)
 		}
 		if (BuildConfig.BUILD_TYPE == "dev") {
 			commandLineParams.add("--benchmark")
 		}
 	}
 
-	override fun getCommandLine() = commandLineParams
+	final override fun getCommandLine() = commandLineParams
 
-	override fun onNewGodotInstanceRequested(args: Array<String>): Int {
-		// Parse the arguments to figure out which activity to start.
-		var targetClass: Class<*> = GodotGame::class.java
-		var instanceId = GAME_ID
-
-		// Whether we should launch the new godot instance in an adjacent window
-		// https://developer.android.com/reference/android/content/Intent#FLAG_ACTIVITY_LAUNCH_ADJACENT
-		var launchAdjacent = shouldGameLaunchAdjacent()
-
-		for (arg in args) {
-			if (EDITOR_ARG == arg || EDITOR_ARG_SHORT == arg) {
-				targetClass = GodotEditor::class.java
-				launchAdjacent = false
-				instanceId = EDITOR_ID
-				break
-			}
+	protected open fun getEditorWindowInfo(args: Array<String>): EditorWindowInfo {
+		var hasEditor = false
 
-			if (PROJECT_MANAGER_ARG == arg || PROJECT_MANAGER_ARG_SHORT == arg) {
-				targetClass = GodotProjectManager::class.java
-				launchAdjacent = false
-				instanceId = PROJECT_MANAGER_ID
-				break
+		var i = 0
+		while (i < args.size) {
+			when (args[i++]) {
+				EDITOR_ARG, EDITOR_ARG_SHORT, EDITOR_PROJECT_MANAGER_ARG, EDITOR_PROJECT_MANAGER_ARG_SHORT -> hasEditor = true
 			}
 		}
 
+		return if (hasEditor) {
+			EDITOR_MAIN_INFO
+		} else {
+			RUN_GAME_INFO
+		}
+	}
+
+	protected open fun getEditorWindowInfoForInstanceId(instanceId: Int): EditorWindowInfo? {
+		return when (instanceId) {
+			RUN_GAME_INFO.windowId -> RUN_GAME_INFO
+			EDITOR_MAIN_INFO.windowId -> EDITOR_MAIN_INFO
+			else -> null
+		}
+	}
+
+	override fun onNewGodotInstanceRequested(args: Array<String>): Int {
+		val editorWindowInfo = getEditorWindowInfo(args)
+
 		// Launch a new activity
-		val newInstance = Intent(this, targetClass)
+		val newInstance = Intent()
+			.setComponent(ComponentName(this, editorWindowInfo.windowClassName))
 			.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
 			.putExtra(EXTRA_COMMAND_LINE_PARAMS, args)
-		if (launchAdjacent) {
-			newInstance.addFlags(Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT)
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+			if (editorWindowInfo.launchAdjacentPolicy == LaunchAdjacentPolicy.ENABLED ||
+				(editorWindowInfo.launchAdjacentPolicy == LaunchAdjacentPolicy.AUTO && shouldGameLaunchAdjacent())) {
+				Log.v(TAG, "Adding flag for adjacent launch")
+				newInstance.addFlags(Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT)
+			}
 		}
-		if (targetClass == javaClass) {
-			Log.d(TAG, "Restarting $targetClass with parameters ${args.contentToString()}")
+		if (editorWindowInfo.windowClassName == javaClass.name) {
+			Log.d(TAG, "Restarting ${editorWindowInfo.windowClassName} with parameters ${args.contentToString()}")
 			ProcessPhoenix.triggerRebirth(this, newInstance)
 		} else {
-			Log.d(TAG, "Starting $targetClass with parameters ${args.contentToString()}")
+			Log.d(TAG, "Starting ${editorWindowInfo.windowClassName} with parameters ${args.contentToString()}")
 			newInstance.putExtra(EXTRA_NEW_LAUNCH, true)
 			startActivity(newInstance)
 		}
-		return instanceId
+		return editorWindowInfo.windowId
 	}
 
-	override fun onGodotForceQuit(godotInstanceId: Int): Boolean {
-		val targetClass: Class<*>?
-		val processNameSuffix: String
-		when (godotInstanceId) {
-			GAME_ID -> {
-				processNameSuffix = GAME_PROCESS_NAME_SUFFIX
-				targetClass = GodotGame::class.java
-			}
-			EDITOR_ID -> {
-				processNameSuffix = EDITOR_PROCESS_NAME_SUFFIX
-				targetClass = GodotEditor::class.java
-			}
-			PROJECT_MANAGER_ID -> {
-				processNameSuffix = PROJECT_MANAGER_PROCESS_NAME_SUFFIX
-				targetClass = GodotProjectManager::class.java
-			}
-			else -> {
-				processNameSuffix = ""
-				targetClass = null
-			}
-		}
+	final override fun onGodotForceQuit(godotInstanceId: Int): Boolean {
+		val editorWindowInfo = getEditorWindowInfoForInstanceId(godotInstanceId) ?: return super.onGodotForceQuit(godotInstanceId)
 
-		if (targetClass == javaClass) {
-			Log.d(TAG, "Force quitting $targetClass")
+		if (editorWindowInfo.windowClassName == javaClass.name) {
+			Log.d(TAG, "Force quitting ${editorWindowInfo.windowClassName}")
 			ProcessPhoenix.forceQuit(this)
 			return true
 		}
 
-		if (processNameSuffix.isBlank()) {
-			return false
-		}
-
+		val processName = packageName + editorWindowInfo.processNameSuffix
 		val activityManager = getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager
 		val runningProcesses = activityManager.runningAppProcesses
 		for (runningProcess in runningProcesses) {
-			if (runningProcess.processName.endsWith(processNameSuffix)) {
+			if (runningProcess.processName == processName) {
 				// Killing process directly
 				Log.v(TAG, "Killing Godot process ${runningProcess.processName}")
 				Process.killProcess(runningProcess.pid)
@@ -232,11 +218,11 @@ open class GodotEditor : GodotActivity() {
 			}
 		}
 
-		return false
+		return super.onGodotForceQuit(godotInstanceId)
 	}
 
 	// Get the screen's density scale
-	protected val isLargeScreen: Boolean
+	private val isLargeScreen: Boolean
 		// Get the minimum window size // Correspond to the EXPANDED window size class.
 		get() {
 			val metrics = WindowMetricsCalculator.getOrCreate().computeMaximumWindowMetrics(this)
@@ -273,6 +259,10 @@ open class GodotEditor : GodotActivity() {
 	protected open fun enablePanAndScaleGestures() =
 		java.lang.Boolean.parseBoolean(GodotLib.getEditorSetting("interface/touchscreen/enable_pan_and_scale_gestures"))
 
+	/**
+	 * Whether we should launch the new godot instance in an adjacent window
+	 * @see https://developer.android.com/reference/android/content/Intent#FLAG_ACTIVITY_LAUNCH_ADJACENT
+	 */
 	private fun shouldGameLaunchAdjacent(): Boolean {
 		return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 			try {