From 00227531e5f78c063fc6a0c0d9459ee0c81cafa5 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Tue, 21 Apr 2020 11:31:21 +0300
Subject: offline mode switch, etc

---
 .../src/main/java/org/fox/epube/MainActivity.java  | 35 ++++++++++++++++++----
 1 file changed, 30 insertions(+), 5 deletions(-)

(limited to 'org.fox.epube/src/main/java/org')

diff --git a/org.fox.epube/src/main/java/org/fox/epube/MainActivity.java b/org.fox.epube/src/main/java/org/fox/epube/MainActivity.java
index c9ef961..18845c4 100644
--- a/org.fox.epube/src/main/java/org/fox/epube/MainActivity.java
+++ b/org.fox.epube/src/main/java/org/fox/epube/MainActivity.java
@@ -29,6 +29,8 @@ public class MainActivity extends AppCompatActivity {
     private ProgressBar m_loadingBar;
     private WebView m_web;
     private Menu m_menu;
+    private boolean m_offlineMode;
+    private AppPage m_currentPage;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -49,7 +51,6 @@ public class MainActivity extends AppCompatActivity {
         settings.setAppCachePath(getCacheDir().getAbsolutePath());
         settings.setAppCacheEnabled(true);
 
-
         m_loadingBar = findViewById(R.id.loading_progress);
         m_loadingBar.setVisibility(View.VISIBLE);
         m_loadingBar.setMax(100);
@@ -104,6 +105,8 @@ public class MainActivity extends AppCompatActivity {
 
     private void onPageSwitched(MainActivity.AppPage page) {
 
+        m_currentPage = page;
+
         m_menu.setGroupVisible(R.id.menu_group_pages, false);
         m_menu.setGroupVisible(R.id.menu_group_library, false);
         m_menu.setGroupVisible(R.id.menu_group_favorites, false);
@@ -112,18 +115,20 @@ public class MainActivity extends AppCompatActivity {
 
         getSupportActionBar().setDisplayHomeAsUpEnabled(false);
 
-        Log.d(TAG, "switching to page:" + page);
+        Log.d(TAG, "switching to page: " + page);
+
+        if (page != AppPage.PAGE_READER) {
+            m_menu.setGroupVisible(R.id.menu_group_pages, !m_offlineMode);
+            m_menu.setGroupVisible(R.id.menu_group_pages_offline, m_offlineMode);
+        }
 
         if (page == AppPage.PAGE_FAVORITES) {
-            m_menu.setGroupVisible(R.id.menu_group_pages, true);
             m_menu.setGroupVisible(R.id.menu_group_favorites, true);
             getSupportActionBar().setTitle("Favorites");
         } else if (page == AppPage.PAGE_LIBRARY) {
-            m_menu.setGroupVisible(R.id.menu_group_pages, true);
             m_menu.setGroupVisible(R.id.menu_group_library, true);
             getSupportActionBar().setTitle("The Epube");
         } else if (page == AppPage.PAGE_OFFLINE) {
-            m_menu.setGroupVisible(R.id.menu_group_pages, true);
             m_menu.setGroupVisible(R.id.menu_group_offline, true);
             getSupportActionBar().setTitle("Downloaded");
         } else if (page == AppPage.PAGE_READER) {
@@ -163,6 +168,7 @@ public class MainActivity extends AppCompatActivity {
                 m_web.loadUrl(BASE_URL + "/index.php");
                 return true;
             case R.id.library_local:
+            case R.id.library_local_offline:
                 m_web.loadUrl(BASE_URL + "/offline.html");
                 return true;
             case R.id.refresh_script_cache:
@@ -214,6 +220,15 @@ public class MainActivity extends AppCompatActivity {
         }
     }
 
+    private void onOfflineModeChanged(boolean offline) {
+        Log.d(TAG, "offline mode changed: " + offline);
+
+        m_offlineMode = offline;
+
+        if (m_currentPage != null)
+            onPageSwitched(m_currentPage);
+    }
+
     class WebAppInterface {
         private Context m_context;
 
@@ -288,5 +303,15 @@ public class MainActivity extends AppCompatActivity {
                 }
             });
         }
+
+        @JavascriptInterface
+        public void setOffline(final boolean offline) {
+            runOnUiThread(new Runnable() {
+                @Override
+                public void run() {
+                    MainActivity.this.onOfflineModeChanged(offline);
+                }
+            });
+        }
     }
 }
\ No newline at end of file
-- 
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