Add BaseContract

app/src/main/java/org/kiwix/kiwixmobile/base/BaseContract.java

@@ -0,0 +1,28 @@
+package org.kiwix.kiwixmobile.base;
+
+public class BaseContract {
+
+  /**
+   * The contract for a view must extend this interface.
+   *
+   * @param <T> the type of presenter associated with the view
+   */
+  public interface View<T> {
+
+  }
+
+  public interface Presenter<T> {
+
+    /**
+     * Binds presenter with a view when resumed. The Presenter will perform initialization here.
+     *
+     * @param view the view associated with this presenter
+     */
+    void attachView(T view);
+
+    /**
+     * Drops the reference to the view when destroyed
+     */
+    void detachView();
+  }
+}

app/src/main/java/org/kiwix/kiwixmobile/base/BasePresenter.java

@@ -18,40 +18,20 @@
 package org.kiwix.kiwixmobile.base;
 
 /**
- * Created by EladKeyshawn on 05/04/2017.
+ * All presenters should inherit from this presenter.
  */
 
-public class BasePresenter<T extends ViewCallback> implements Presenter<T> {
+public abstract class BasePresenter<T extends BaseContract.View> implements BaseContract.Presenter<T> {
 
-  private T mMvpView;
+  protected T view;
 
   @Override
-  public void attachView(T mvpView) {
+  public void attachView(T view) {
-    this.mMvpView = mvpView;
+    this.view = view;
   }
 
   @Override
   public void detachView() {
-    mMvpView = null;
+    view = null;
   }
-
+}
-  public boolean isViewAttached() {
-    return mMvpView != null;
-  }
-
-  public T getMvpView() {
-    return mMvpView;
-  }
-
-
-  public void checkViewAttached() {
-    if (!isViewAttached()) throw new MvpViewNotAttachedException();
-  }
-
-  public static class MvpViewNotAttachedException extends RuntimeException {
-    public MvpViewNotAttachedException() {
-      super("Please call Presenter.attachView(MvpView) before" +
-          " requesting data to the Presenter");
-    }
-  }
-}

app/src/main/java/org/kiwix/kiwixmobile/base/Presenter.java

@@ -1,28 +0,0 @@
-/*
- * Kiwix Android
- * Copyright (C) 2018  Kiwix <android.kiwix.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package org.kiwix.kiwixmobile.base;
-
-/**
- * Created by EladKeyshawn on 05/04/2017.
- */
-public interface Presenter<V extends ViewCallback> {
-
-  void attachView(V mvpView);
-
-  void detachView();
-}

app/src/main/java/org/kiwix/kiwixmobile/base/ViewCallback.java

@@ -1,24 +0,0 @@
-/*
- * Kiwix Android
- * Copyright (C) 2018  Kiwix <android.kiwix.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package org.kiwix.kiwixmobile.base;
-
-/**
- * Created by EladKeyshawn on 05/04/2017.
- */
-public interface ViewCallback {
-}

app/src/main/java/org/kiwix/kiwixmobile/bookmark/BookmarksPresenter.java

@@ -34,13 +34,13 @@ public class BookmarksPresenter extends BasePresenter<BookmarksViewCallback> {
   BookmarksDao bookmarksDao;
 
   @Inject
-  public BookmarksPresenter() {
+  BookmarksPresenter() {
   }
 
   public void loadBookmarks() {
     ArrayList<String> bookmarks = bookmarksDao.getBookmarkTitles(ZimContentProvider.getId(), ZimContentProvider.getName());
     ArrayList<String> bookmarkUrls = bookmarksDao.getBookmarks(ZimContentProvider.getId(), ZimContentProvider.getName());
-    getMvpView().showBookmarks(bookmarks, bookmarkUrls);
+    view.showBookmarks(bookmarks, bookmarkUrls);
   }
 
 

app/src/main/java/org/kiwix/kiwixmobile/bookmark/BookmarksViewCallback.java

@@ -17,7 +17,7 @@
  */
 package org.kiwix.kiwixmobile.bookmark;
 
-import org.kiwix.kiwixmobile.base.ViewCallback;
+import org.kiwix.kiwixmobile.base.BaseContract;
 
 import java.util.ArrayList;
 
@@ -25,7 +25,7 @@ import java.util.ArrayList;
  * Created by EladKeyshawn on 05/04/2017.
  */
 
-public interface BookmarksViewCallback extends ViewCallback {
+public interface BookmarksViewCallback extends BaseContract.View {
   void showBookmarks(ArrayList<String> bookmarks, ArrayList<String> bookmarkUrls);
 
   void popDeleteBookmarksSnackbar();

app/src/main/java/org/kiwix/kiwixmobile/search/SearchPresenter.java

@@ -32,7 +32,7 @@ public class SearchPresenter extends BasePresenter<SearchViewCallback> {
     RecentSearchDao recentSearchDao;
 
     @Inject
-    public SearchPresenter() {}
+    SearchPresenter() {}
 
     @Override
     public void attachView(SearchViewCallback searchViewCallback) {
@@ -40,7 +40,7 @@ public class SearchPresenter extends BasePresenter<SearchViewCallback> {
     }
 
     void getRecentSearches() {
-        getMvpView().addRecentSearches(recentSearchDao.getRecentSearches());
+        view.addRecentSearches(recentSearchDao.getRecentSearches());
     }
 
     void saveSearch(String title) {

app/src/main/java/org/kiwix/kiwixmobile/search/SearchViewCallback.java

@@ -17,7 +17,7 @@
  */
 package org.kiwix.kiwixmobile.search;
 
-import org.kiwix.kiwixmobile.base.ViewCallback;
+import org.kiwix.kiwixmobile.base.BaseContract;
 
 import java.util.List;
 
@@ -25,6 +25,6 @@ import java.util.List;
  * Created by srv_twry on 14/2/18.
  */
 
-public interface SearchViewCallback extends ViewCallback {
+public interface SearchViewCallback extends BaseContract.View {
     void addRecentSearches(List<String> recentSearches);
 }

app/src/main/java/org/kiwix/kiwixmobile/zim_manager/ZimManageViewCallback.java

@@ -17,11 +17,11 @@
  */
 package org.kiwix.kiwixmobile.zim_manager;
 
-import org.kiwix.kiwixmobile.base.ViewCallback;
+import org.kiwix.kiwixmobile.base.BaseContract;
 
 /**
  * Created by srv_twry on 15/2/18.
  */
 
-public interface ZimManageViewCallback extends ViewCallback {
+interface ZimManageViewCallback extends BaseContract.View {
 }

app/src/main/java/org/kiwix/kiwixmobile/zim_manager/fileselect_view/ZimFileSelectPresenter.java

@@ -34,7 +34,7 @@ public class ZimFileSelectPresenter extends BasePresenter<ZimFileSelectViewCallb
   BookDao bookDao;
 
   @Inject
-  public ZimFileSelectPresenter() {
+  ZimFileSelectPresenter() {
   }
 
   @Override
@@ -44,7 +44,7 @@ public class ZimFileSelectPresenter extends BasePresenter<ZimFileSelectViewCallb
 
   public void loadLocalZimFileFromDb() {
     ArrayList<LibraryNetworkEntity.Book> books = bookDao.getBooks();
-    getMvpView().showFiles(books);
+    view.showFiles(books);
   }
 
 }

app/src/main/java/org/kiwix/kiwixmobile/zim_manager/fileselect_view/ZimFileSelectViewCallback.java

@@ -17,7 +17,7 @@
  */
 package org.kiwix.kiwixmobile.zim_manager.fileselect_view;
 
-import org.kiwix.kiwixmobile.base.ViewCallback;
+import org.kiwix.kiwixmobile.base.BaseContract;
 import org.kiwix.kiwixmobile.library.entity.LibraryNetworkEntity;
 
 import java.util.ArrayList;
@@ -25,6 +25,6 @@ import java.util.ArrayList;
 /**
  * Created by EladKeyshawn on 06/04/2017.
  */
-public interface ZimFileSelectViewCallback extends ViewCallback {
+public interface ZimFileSelectViewCallback extends BaseContract.View {
   void showFiles(ArrayList<LibraryNetworkEntity.Book> books);
 }

app/src/main/java/org/kiwix/kiwixmobile/zim_manager/library_view/LibraryPresenter.java

@@ -42,17 +42,17 @@ public class LibraryPresenter extends BasePresenter<LibraryViewCallback> {
   BookDao bookDao;
 
   @Inject
-  public LibraryPresenter() {
+  LibraryPresenter() {
   }
 
   void loadBooks() {
-    getMvpView().displayScanningContent();
+    view.displayScanningContent();
     kiwixService.getLibrary()
         .observeOn(AndroidSchedulers.mainThread())
-        .subscribe(library -> getMvpView().showBooks(library.getBooks()), error -> {
+        .subscribe(library -> view.showBooks(library.getBooks()), error -> {
           String msg = error.getLocalizedMessage();
           Log.w("kiwixLibrary", "Error loading books:" + (msg != null ? msg : "(null)"));
-          getMvpView().displayNoItemsFound();
+          view.displayNoItemsFound();
         });
   }
 
@@ -60,7 +60,7 @@ public class LibraryPresenter extends BasePresenter<LibraryViewCallback> {
     for (LibraryNetworkEntity.Book book : bookDao.getDownloadingBooks()) {
       if (!DownloadFragment.mDownloads.containsValue(book)) {
         book.url = book.remoteUrl;
-        getMvpView().downloadFile(book);
+        view.downloadFile(book);
       }
     }
   }

app/src/main/java/org/kiwix/kiwixmobile/zim_manager/library_view/LibraryViewCallback.java

@@ -17,7 +17,7 @@
  */
 package org.kiwix.kiwixmobile.zim_manager.library_view;
 
-import org.kiwix.kiwixmobile.base.ViewCallback;
+import org.kiwix.kiwixmobile.base.BaseContract;
 import org.kiwix.kiwixmobile.library.entity.LibraryNetworkEntity;
 import org.kiwix.kiwixmobile.library.entity.LibraryNetworkEntity.Book;
 
@@ -27,7 +27,7 @@ import java.util.LinkedList;
  * Created by EladKeyshawn on 06/04/2017.
  */
 
-public interface LibraryViewCallback extends ViewCallback {
+public interface LibraryViewCallback extends BaseContract.View {
 
   void showBooks(LinkedList<Book> books);