Initial support for sources' login. Upgrade support library version.

app/src/main/java/eu/kanade/mangafeed/ui/activity/SettingsActivity.java

@@ -1,13 +1,14 @@
 package eu.kanade.mangafeed.ui.activity;
 
 import android.os.Bundle;
-import android.preference.PreferenceFragment;
 import android.support.v7.widget.Toolbar;
+import android.view.MenuItem;
 
 import butterknife.Bind;
 import butterknife.ButterKnife;
 import eu.kanade.mangafeed.R;
 import eu.kanade.mangafeed.ui.activity.base.BaseActivity;
+import eu.kanade.mangafeed.ui.fragment.SettingsMainFragment;
 
 public class SettingsActivity extends BaseActivity {
 
@@ -21,16 +22,25 @@ public class SettingsActivity extends BaseActivity {
 
         setupToolbar(toolbar);
 
-        getFragmentManager().beginTransaction().replace(R.id.settings_content,
-                new MyPreferenceFragment()).commit();
+        if (savedInstanceState == null)
+            getFragmentManager().beginTransaction().replace(R.id.settings_content,
+                    new SettingsMainFragment())
+                    .commit();
     }
 
-    public static class MyPreferenceFragment extends PreferenceFragment {
-        @Override
-        public void onCreate(final Bundle savedInstanceState) {
-            super.onCreate(savedInstanceState);
-            addPreferencesFromResource(R.xml.preferences);
+    @Override
+    public void onBackPressed() {
+        if( !getFragmentManager().popBackStackImmediate() ) super.onBackPressed();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                onBackPressed();
+                return true;
         }
+        return super.onOptionsItemSelected(item);
     }
 
 }

app/src/main/java/eu/kanade/mangafeed/ui/fragment/SettingsAccountsFragment.java

@@ -0,0 +1,120 @@
+package eu.kanade.mangafeed.ui.fragment;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.preference.DialogPreference;
+import android.preference.PreferenceFragment;
+import android.preference.PreferenceScreen;
+import android.text.method.PasswordTransformationMethod;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import java.util.List;
+
+import javax.inject.Inject;
+
+import butterknife.Bind;
+import butterknife.ButterKnife;
+import eu.kanade.mangafeed.App;
+import eu.kanade.mangafeed.R;
+import eu.kanade.mangafeed.data.helpers.PreferencesHelper;
+import eu.kanade.mangafeed.data.helpers.SourceManager;
+import eu.kanade.mangafeed.sources.Source;
+import eu.kanade.mangafeed.ui.activity.base.BaseActivity;
+import rx.Observable;
+
+public class SettingsAccountsFragment extends PreferenceFragment {
+
+    @Inject SourceManager sourceManager;
+    @Inject PreferencesHelper preferences;
+
+    public static SettingsAccountsFragment newInstance() {
+        return new SettingsAccountsFragment();
+    }
+
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        App.get(getActivity()).getComponent().inject(this);
+
+        addPreferencesFromResource(R.xml.pref_accounts);
+
+        PreferenceScreen screen = getPreferenceScreen();
+
+        List<Source> sourceAccounts = getSourcesWithLogin();
+
+        for (Source source : sourceAccounts) {
+            LoginDialogPreference dialog = new LoginDialogPreference(
+                    screen.getContext(), null, source);
+            dialog.setTitle(source.getName());
+
+            screen.addPreference(dialog);
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        ((BaseActivity)getActivity())
+                .setToolbarTitle(getString(R.string.pref_category_accounts));
+    }
+
+    private List<Source> getSourcesWithLogin() {
+        return Observable.from(sourceManager.getSources())
+                .filter(Source::isLoginRequired)
+                .toList()
+                .toBlocking()
+                .single();
+    }
+
+    public class LoginDialogPreference extends DialogPreference {
+
+        @Bind(R.id.accounts_login) TextView title;
+        @Bind(R.id.username) EditText username;
+        @Bind(R.id.password) EditText password;
+        @Bind(R.id.show_password) CheckBox showPassword;
+
+        private Source source;
+
+        public LoginDialogPreference(Context context, AttributeSet attrs, Source source) {
+            super(context, attrs);
+            this.source = source;
+
+            setDialogLayoutResource(R.layout.pref_account_login);
+        }
+
+        @Override
+        protected void onBindDialogView(View view) {
+            ButterKnife.bind(this, view);
+
+            title.setText(getString(R.string.accounts_login_title, source.getName()));
+
+            username.setText(preferences.getSourceUsername(source));
+            password.setText(preferences.getSourcePassword(source));
+            showPassword.setOnCheckedChangeListener((buttonView, isChecked) -> {
+                if (isChecked)
+                    password.setTransformationMethod(null);
+                else
+                    password.setTransformationMethod(new PasswordTransformationMethod());
+            });
+
+            super.onBindDialogView(view);
+        }
+
+        @Override
+        protected void onDialogClosed(boolean positiveResult) {
+            if(!positiveResult)
+                return;
+
+            preferences.setSourceCredentials(source,
+                    username.getText().toString(),
+                    password.getText().toString());
+
+            super.onDialogClosed(true);
+        }
+
+    }
+
+}

app/src/main/java/eu/kanade/mangafeed/ui/fragment/SettingsMainFragment.java

@@ -0,0 +1,41 @@
+package eu.kanade.mangafeed.ui.fragment;
+
+import android.os.Bundle;
+import android.preference.PreferenceFragment;
+
+import eu.kanade.mangafeed.R;
+import eu.kanade.mangafeed.ui.activity.base.BaseActivity;
+
+public class SettingsMainFragment extends PreferenceFragment {
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.pref_main);
+
+        registerSubpreference(R.string.pref_category_reader_key,
+                SettingsNestedFragment.newInstance(
+                        R.xml.pref_reader, R.string.pref_category_reader));
+
+        registerSubpreference(R.string.pref_category_accounts_key,
+                SettingsAccountsFragment.newInstance());
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        ((BaseActivity)getActivity())
+                .setToolbarTitle(getString(R.string.settings_title));
+    }
+
+    private void registerSubpreference(int preferenceResource, PreferenceFragment fragment) {
+        findPreference(getString(preferenceResource))
+                .setOnPreferenceClickListener(preference -> {
+                    getFragmentManager().beginTransaction()
+                            .replace(R.id.settings_content, fragment)
+                            .addToBackStack(fragment.getClass().getSimpleName()).commit();
+                    return true;
+                });
+    }
+
+}

app/src/main/java/eu/kanade/mangafeed/ui/fragment/SettingsNestedFragment.java

@@ -0,0 +1,36 @@
+package eu.kanade.mangafeed.ui.fragment;
+
+import android.os.Bundle;
+import android.preference.PreferenceFragment;
+
+import eu.kanade.mangafeed.ui.activity.base.BaseActivity;
+
+public class SettingsNestedFragment extends PreferenceFragment {
+
+    private static final String RESOURCE_FILE = "resource_file";
+    private static final String TOOLBAR_TITLE = "toolbar_title";
+
+    public static SettingsNestedFragment newInstance(int resourcePreference, int resourceTitle) {
+        SettingsNestedFragment fragment = new SettingsNestedFragment();
+        Bundle args = new Bundle();
+        args.putInt(RESOURCE_FILE, resourcePreference);
+        args.putInt(TOOLBAR_TITLE, resourceTitle);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(getArguments().getInt(RESOURCE_FILE));
+
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        ((BaseActivity)getActivity())
+                .setToolbarTitle(getString(getArguments().getInt(TOOLBAR_TITLE)));
+    }
+
+}