Add a button for floating tasks to taskbar (behind a flag)

Test: manual - build launcher3, enable the feature flag on tablet with a valid app installed, open an app, observe that there is NO button in taskbar because launcher3 doesn't have populated config Bug: 237678727 Change-Id: Ic261608898eb9a9220cffacd0c6060a32c10a74f
2022-08-16 12:13:50 -07:00
parent af2fe7fd12
commit 78c899314e
8 changed files with 250 additions and 4 deletions
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2022 The Android Open Source 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 com.android.launcher3.taskbar;
+
+import static android.content.pm.PackageManager.MATCH_DEFAULT_ONLY;
+
+import android.annotation.Nullable;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.text.TextUtils;
+import android.util.Log;
+
+import com.android.launcher3.R;
+
+// TODO: This would be replaced by the thing that has the role and provides the intent.
+/**
+ * Helper to determine what intent should be used to display in a floating window, if one
+ * exists.
+ */
+public class FloatingTaskIntentResolver {
+    private static final String TAG = FloatingTaskIntentResolver.class.getSimpleName();
+
+    @Nullable
+    /** Gets an intent for a floating task, if one exists. */
+    public static Intent getIntent(Context context) {
+        PackageManager pm = context.getPackageManager();
+        String pkg = context.getString(R.string.floating_task_package);
+        String action = context.getString(R.string.floating_task_action);
+        if (TextUtils.isEmpty(pkg) || TextUtils.isEmpty(action)) {
+            Log.d(TAG, "intent could not be found, pkg= " + pkg + " action= " + action);
+            return null;
+        }
+        Intent intent = createIntent(pm, null, pkg, action);
+        if (intent != null) {
+            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            return intent;
+        }
+        Log.d(TAG, "No valid intent found!");
+        return null;
+    }
+
+    @Nullable
+    private static Intent createIntent(PackageManager pm, @Nullable String activityName,
+            String packageName, String action) {
+        if (TextUtils.isEmpty(activityName)) {
+            activityName = queryActivityForAction(pm, packageName, action);
+        }
+        if (TextUtils.isEmpty(activityName)) {
+            Log.d(TAG, "Activity name is empty even after action search: " + action);
+            return null;
+        }
+        ComponentName component = new ComponentName(packageName, activityName);
+        Intent intent = new Intent(action).setComponent(component);
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        Log.d(TAG, "createIntent returning: " + intent);
+        return intent;
+    }
+
+    @Nullable
+    private static String queryActivityForAction(PackageManager pm, String packageName,
+            String action) {
+        Intent intent = new Intent(action).setPackage(packageName);
+        ResolveInfo resolveInfo = pm.resolveActivity(intent, MATCH_DEFAULT_ONLY);
+        if (resolveInfo == null || resolveInfo.activityInfo == null) {
+            Log.d(TAG, "queryActivityForAction: + " + resolveInfo);
+            return null;
+        }
+        ActivityInfo info = resolveInfo.activityInfo;
+        if (!info.exported) {
+            Log.d(TAG, "queryActivityForAction: + " + info + " not exported");
+            return null;
+        }
+        if (!info.enabled) {
+            Log.d(TAG, "queryActivityForAction: + " + info + " not enabled");
+            return null;
+        }
+        return resolveInfo.activityInfo.name;
+    }
+}