Major renaming and refactoring in activity and service

Apparently "configuration" is the proper term, not "profile".

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 158 insertions, 0 deletions

diff --git a/app/src/main/java/com/wireguard/android/ConfigActivity.java b/app/src/main/java/com/wireguard/android/ConfigActivity.java
new file mode 100644
index 00000000..f672c594
--- /dev/null
+++ b/app/src/main/java/com/wireguard/android/ConfigActivity.java
@@ -0,0 +1,158 @@
+package com.wireguard.android;
+
+import android.app.Fragment;
+import android.app.FragmentManager;
+import android.app.FragmentTransaction;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.MenuItem;
+
+import com.wireguard.config.Config;
+
+/**
+ * Activity that allows creating/viewing/editing/deleting WireGuard configurations.
+ */
+
+public class ConfigActivity extends BaseConfigActivity {
+    private boolean canAddFragments;
+    private int containerId;
+    private final FragmentManager fm = getFragmentManager();
+    private boolean isEditing;
+    private boolean isSplitLayout;
+
+    @Override
+    public void onBackPressed() {
+        super.onBackPressed();
+        // Make sure the current config is cleared when going back to the list.
+        if (isEditing)
+            isEditing = false;
+        else
+            setCurrentConfig(null);
+    }
+
+    @Override
+    public void onCreate(final Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.config_activity);
+        isSplitLayout = findViewById(R.id.detail_fragment) != null;
+        if (isSplitLayout)
+            containerId = R.id.detail_fragment;
+        else
+            containerId = R.id.master_fragment;
+    }
+
+    @Override
+    protected void onCurrentConfigChanged(final Config config) {
+        if (!canAddFragments)
+            return;
+        final Fragment currentFragment = fm.findFragmentById(containerId);
+        Log.d(getClass().getSimpleName(), "onCurrentConfigChanged config=" +
+                (config != null ? config.getName() : null) + " fragment=" + currentFragment);
+        if (currentFragment instanceof ConfigDetailFragment) {
+            // Handle the case when the split layout is switching from one config to another.
+            final ConfigDetailFragment detailFragment = (ConfigDetailFragment) currentFragment;
+            if (detailFragment.getCurrentConfig() != config)
+                detailFragment.setCurrentConfig(config);
+        } else if (currentFragment instanceof ConfigEditFragment) {
+            // Handle the case when ConfigEditFragment is finished updating a config.
+            fm.popBackStack();
+            isEditing = false;
+            final ConfigDetailFragment detailFragment =
+                    (ConfigDetailFragment) fm.findFragmentByTag(TAG_DETAIL);
+            if (detailFragment.getCurrentConfig() != config)
+                detailFragment.setCurrentConfig(config);
+        } else if (config != null) {
+            // Handle the single-fragment-layout case and the case when a placeholder is replaced.
+            ConfigDetailFragment detailFragment =
+                    (ConfigDetailFragment) fm.findFragmentByTag(TAG_DETAIL);
+            if (detailFragment != null) {
+                detailFragment.setCurrentConfig(config);
+            } else {
+                detailFragment = new ConfigDetailFragment();
+                final Bundle arguments = new Bundle();
+                arguments.putString(KEY_CURRENT_CONFIG, config.getName());
+                detailFragment.setArguments(arguments);
+            }
+            final FragmentTransaction transaction = fm.beginTransaction();
+            if (!isSplitLayout)
+                transaction.addToBackStack(TAG_DETAIL);
+            transaction.replace(containerId, detailFragment, TAG_DETAIL);
+            transaction.commit();
+        } else {
+            if (isSplitLayout) {
+                // Handle the split layout case when there is no config, so a placeholder is shown.
+                PlaceholderFragment placeholderFragment =
+                        (PlaceholderFragment) fm.findFragmentByTag(TAG_PLACEHOLDER);
+                if (placeholderFragment == null)
+                    placeholderFragment = new PlaceholderFragment();
+                final FragmentTransaction transaction = fm.beginTransaction();
+                transaction.replace(containerId, placeholderFragment, TAG_PLACEHOLDER);
+                transaction.commit();
+            }
+        }
+        // If the config change came from the intent or ConfigEditFragment, forward it to the list.
+        ConfigListFragment listFragment = (ConfigListFragment) fm.findFragmentByTag(TAG_LIST);
+        if (listFragment == null) {
+            listFragment = new ConfigListFragment();
+            final FragmentTransaction transaction = fm.beginTransaction();
+            transaction.replace(R.id.master_fragment, listFragment, TAG_LIST);
+            transaction.commit();
+        }
+        if (listFragment.getCurrentConfig() != config)
+            listFragment.setCurrentConfig(config);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(final MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.menu_action_edit:
+                ConfigEditFragment editFragment =
+                        (ConfigEditFragment) fm.findFragmentByTag(TAG_EDIT);
+                if (editFragment != null) {
+                    editFragment.setCurrentConfig(getCurrentConfig());
+                } else {
+                    editFragment = new ConfigEditFragment();
+                    final Bundle arguments = new Bundle();
+                    arguments.putString(KEY_CURRENT_CONFIG, getCurrentConfig().getName());
+                    editFragment.setArguments(arguments);
+                }
+                final FragmentTransaction transaction = fm.beginTransaction();
+                transaction.addToBackStack(TAG_EDIT);
+                transaction.replace(containerId, editFragment, TAG_EDIT);
+                transaction.commit();
+                isEditing = true;
+                return true;
+            case R.id.menu_action_save:
+                // This menu item is handled by the current fragment.
+                return false;
+            case R.id.menu_settings:
+                startActivity(new Intent(this, SettingsActivity.class));
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    @Override
+    public void onSaveInstanceState(final Bundle outState) {
+        // We cannot save fragments that might switch between containers if the layout changes.
+        if (fm.getBackStackEntryCount() > 0) {
+            final int bottomEntryId = fm.getBackStackEntryAt(0).getId();
+            fm.popBackStackImmediate(bottomEntryId, FragmentManager.POP_BACK_STACK_INCLUSIVE);
+        }
+        if (isSplitLayout) {
+            final Fragment oldFragment = fm.findFragmentById(containerId);
+            if (oldFragment != null)
+                fm.beginTransaction().remove(oldFragment).commit();
+        }
+        super.onSaveInstanceState(outState);
+    }
+
+    @Override
+    protected void onServiceAvailable() {
+        // Create the initial fragment set.
+        canAddFragments = true;
+        onCurrentConfigChanged(getCurrentConfig());
+    }
+}