Support log out

floating-cat · Nov 23, 2014 · 101d0e6 · 101d0e6
1 parent 9e4da45
commit 101d0e6
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Showing 6 changed files with 93 additions and 17 deletions.
diff --git a/app/src/main/java/cl/monsoon/s1next/Config.java b/app/src/main/java/cl/monsoon/s1next/Config.java
@@ -61,6 +61,10 @@ public static void setAuthenticityToken(String authenticityToken) {
         INSTANCE.authenticityToken = authenticityToken;
     }
 
+    public static String clearUserInfo() {
+        return INSTANCE.username = INSTANCE.uid = INSTANCE.authenticityToken = null;
+    }
+
     public static int getTheme() {
         return INSTANCE.theme;
     }

diff --git a/app/src/main/java/cl/monsoon/s1next/activity/AbsNavigationDrawerActivity.java b/app/src/main/java/cl/monsoon/s1next/activity/AbsNavigationDrawerActivity.java
@@ -1,5 +1,8 @@
 package cl.monsoon.s1next.activity;
 
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
 import android.content.Intent;
 import android.content.res.Configuration;
 import android.graphics.Point;
@@ -24,6 +27,7 @@
 import cl.monsoon.s1next.Api;
 import cl.monsoon.s1next.Config;
 import cl.monsoon.s1next.R;
+import cl.monsoon.s1next.singleton.MyOkHttpClient;
 
 /**
  * An abstract Activity to create a navigation drawer.
@@ -37,10 +41,12 @@ public abstract class AbsNavigationDrawerActivity extends AbsThemeActivity {
     ActionBarDrawerToggle mDrawerToggle;
 
     private View mDrawer;
+    private TextView mDrawerUsernameView;
+
     private ActionMenuView mActionMenuView;
     private CharSequence mTitle;
 
-    private boolean showLogin = false;
+    private LoginStatus mLoginStatus = LoginStatus.NONE;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -52,18 +58,10 @@ protected void onCreate(Bundle savedInstanceState) {
         setSupportActionBar(mToolbar);
 
         mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
-
         mDrawer = findViewById(R.id.drawer);
-        Glide.with(this)
-                .load(R.drawable.ic_avatar_placeholder)
-                .transform(new CenterCrop(Glide.get(this).getBitmapPool()))
-                .into((ImageView) mDrawer.findViewById(R.id.drawer_avatar));
-        mDrawer.findViewById(R.id.drawer_header).setOnClickListener(v -> {
-            mDrawerLayout.closeDrawer(mDrawer);
+        mDrawerUsernameView = (TextView) mDrawer.findViewById(R.id.drawer_username);
 
-            Intent intent = new Intent(AbsNavigationDrawerActivity.this, LoginActivity.class);
-            startActivity(intent);
-        });
+        showLoginPrompt();
 
         TextView textView = (TextView) mDrawer.findViewById(R.id.settings);
         textView.setText(getText(R.string.settings));
@@ -126,6 +124,7 @@ public void onDrawerClosed(View drawerView) {
     protected void onResume() {
         super.onResume();
 
+        showLoginPrompt();
         showUserInfo();
     }
 
@@ -201,21 +200,88 @@ void restoreToolbar() {
         }
     }
 
+    /**
+     * Show default avatar and login prompt.
+     */
+    private void showLoginPrompt() {
+        if (mDrawerLayout == null || mDrawer == null || mDrawerUsernameView == null) {
+            throw new IllegalStateException("Some views must not be null.");
+        }
+
+        if (TextUtils.isEmpty(Config.getUsername()) && mLoginStatus != LoginStatus.NOT) {
+            mLoginStatus = LoginStatus.NOT;
+
+            Glide.with(this)
+                    .load(R.drawable.ic_avatar_placeholder)
+                    .transform(new CenterCrop(Glide.get(this).getBitmapPool()))
+                    .into((ImageView) mDrawer.findViewById(R.id.drawer_avatar));
+            mDrawer.findViewById(R.id.drawer_header).setOnClickListener(v -> {
+                mDrawerLayout.closeDrawer(mDrawer);
+
+                Intent intent = new Intent(AbsNavigationDrawerActivity.this, LoginActivity.class);
+                startActivity(intent);
+            });
+            mDrawerUsernameView.setText(R.string.action_login);
+        }
+    }
+
     /**
      * Show username and its avatar when user logged in.
      */
     public void showUserInfo() {
-        if (!TextUtils.isEmpty(Config.getUsername()) && !showLogin) {
-            showLogin = true;
+        if (mDrawer == null || mDrawerUsernameView == null) {
+            throw new IllegalStateException("Some views must not be null.");
+        }
 
-            ((TextView) mDrawer.findViewById(R.id.drawer_username)).setText(Config.getUsername());
-            mDrawer.findViewById(R.id.drawer_header).setOnClickListener(null);
+        if (!TextUtils.isEmpty(Config.getUsername()) && mLoginStatus != LoginStatus.LOGIN) {
+            mLoginStatus = LoginStatus.LOGIN;
 
             Glide.with(this)
                     .load(Api.getUrlAvatarMedium(Config.getUid()))
                     .error(R.drawable.ic_avatar_placeholder)
                     .transform(new CenterCrop(Glide.get(this).getBitmapPool()))
                     .into((ImageView) mDrawer.findViewById(R.id.drawer_avatar));
+            mDrawerUsernameView.setText(Config.getUsername());
+
+            mDrawer.findViewById(R.id.drawer_header).setOnClickListener(v ->
+                    new LogOutDialog().show(getFragmentManager(), LogOutDialog.TAG));
+        }
+    }
+
+    public void logout() {
+        MyOkHttpClient.clearCookie();
+        Config.clearUserInfo();
+
+        showLoginPrompt();
+    }
+
+    private enum LoginStatus {
+        NONE, NOT, LOGIN
+    }
+
+    public static class LogOutDialog extends DialogFragment {
+
+        private static final String TAG = "log_out_dialog";
+
+        @Override
+        public Dialog onCreateDialog(Bundle savedInstanceState) {
+
+            return
+                    new AlertDialog.Builder(getActivity())
+                            .setMessage(R.string.dialog_progress_log_out)
+                            .setPositiveButton(android.R.string.ok,
+                                    (dialog, which) -> {
+                                        try {
+                                            ((AbsNavigationDrawerActivity) getActivity()).logout();
+                                        } catch (ClassCastException e) {
+                                            throw new ClassCastException(
+                                                    getActivity()
+                                                            + " must extend AbsNavigationDrawerActivity.");
+                                        }
+                                    })
+                            .setNegativeButton(
+                                    android.R.string.cancel, null)
+                            .create();
         }
     }
 }
diff --git a/app/src/main/java/cl/monsoon/s1next/singleton/MyOkHttpClient.java b/app/src/main/java/cl/monsoon/s1next/singleton/MyOkHttpClient.java
@@ -16,6 +16,7 @@ public enum MyOkHttpClient {
     INSTANCE;
 
     private final OkHttpClient okHttpClient;
+    private final CookieManager cookieManager;
 
     private MyOkHttpClient() {
         okHttpClient = new OkHttpClient();
@@ -24,7 +25,7 @@ private MyOkHttpClient() {
         okHttpClient.setWriteTimeout(10, TimeUnit.SECONDS);
         okHttpClient.setReadTimeout(30, TimeUnit.SECONDS);
 
-        CookieManager cookieManager = new CookieManager(
+        cookieManager = new CookieManager(
                 new PersistentHttpCookieStore(
                         MyApplication.getContext()), CookiePolicy.ACCEPT_ALL);
 
@@ -34,4 +35,8 @@ private MyOkHttpClient() {
     public static OkHttpClient get() {
         return INSTANCE.okHttpClient;
     }
+
+    public static boolean clearCookie() {
+        return INSTANCE.cookieManager.getCookieStore().removeAll();
+    }
 }
diff --git a/app/src/main/res/layout/activity_navigation_drawer.xml b/app/src/main/res/layout/activity_navigation_drawer.xml
@@ -66,7 +66,6 @@
                     android:gravity="center_vertical"
                     android:includeFontPadding="false"
                     android:singleLine="true"
-                    android:text="@string/action_login"
                     android:textAppearance="@style/TextAppearance.AppCompat.Body2"/>
 
             </LinearLayout>

diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
@@ -2,6 +2,7 @@
 <resources>
     <string name="action_login">登录</string>
     <string name="avatar_content_desc">头像</string>
+    <string name="dialog_progress_log_out">退出登录？</string>
     <string name="dialog_progress_message_back">要舍弃这条信息吗？</string>
     <string name="dialog_progress_title_login">登录中…</string>
     <string name="dialog_progress_title_reply">回复中…</string>

diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -10,6 +10,7 @@
     <string name="send_content_desc">Send</string>
 
     <!-- drawer -->
+    <string name="dialog_progress_log_out">Sign out?</string>
     <string name="settings">Settings</string>
     <string name="navigation_drawer_open">Open navigation drawer</string>
     <string name="navigation_drawer_close">Close navigation drawer</string>