Fix autosave

app/src/main/java/com/wbrawner/simplemarkdown/presentation/MarkdownPresenter.java

@@ -13,7 +13,8 @@ public interface MarkdownPresenter {
     void loadMarkdown(String fileName, InputStream in);
     void loadFromUri(Context context, Uri fileUri);
 
-    void loadMarkdown(String fileName, InputStream in, OnTempFileLoadedListener listener);
+    void loadMarkdown(String fileName, InputStream in, FileLoadedListener listener,
+                      boolean replaceCurrentFile);
 
     void newFile(String newName);
     void setEditView(MarkdownEditView editView);
@@ -29,7 +30,7 @@ public interface MarkdownPresenter {
     String getMarkdown();
     void setMarkdown(String markdown);
 
-    interface OnTempFileLoadedListener {
+    interface FileLoadedListener {
         void onSuccess(String markdown);
 
         void onError();

app/src/main/java/com/wbrawner/simplemarkdown/presentation/MarkdownPresenterImpl.java

@@ -37,14 +37,15 @@ public class MarkdownPresenterImpl implements MarkdownPresenter {
 
     @Override
     public void loadMarkdown(final String fileName, final InputStream in) {
-        this.loadMarkdown(fileName, in, null);
+        this.loadMarkdown(fileName, in, null, true);
     }
 
     @Override
     public void loadMarkdown(
             final String fileName,
             final InputStream in,
-            final OnTempFileLoadedListener listener
+            final FileLoadedListener listener,
+            boolean replaceCurrentFile
     ) {
         Runnable fileLoader = () -> {
             MarkdownFile tmpFile = new MarkdownFile(errorHandler);
@@ -52,7 +53,8 @@ public class MarkdownPresenterImpl implements MarkdownPresenter {
                 if (listener != null) {
                     String html = generateHTML(tmpFile.getContent());
                     listener.onSuccess(html);
-                } else {
+                }
+                if (replaceCurrentFile) {
                     synchronized (fileLock) {
                         this.file = tmpFile;
                         MarkdownEditView currentEditView = editView;

app/src/main/java/com/wbrawner/simplemarkdown/view/activity/MainActivity.kt

@@ -24,6 +24,7 @@ import com.wbrawner.simplemarkdown.utility.ErrorHandler
 import com.wbrawner.simplemarkdown.utility.Utils
 import com.wbrawner.simplemarkdown.view.adapter.EditPagerAdapter
 import kotlinx.android.synthetic.main.activity_main.*
+import java.io.File
 import java.io.FileInputStream
 import java.io.InputStream
 import javax.inject.Inject
@@ -61,7 +62,8 @@ class MainActivity : AppCompatActivity(), ActivityCompat.OnRequestPermissionsRes
     override fun onUserLeaveHint() {
         super.onUserLeaveHint()
         if (shouldAutoSave && presenter.markdown.isNotEmpty() && Utils.isAutosaveEnabled(this)) {
-//            presenter.saveMarkdown(null, null)
+
+            presenter.saveMarkdown(null, "autosave.md", File(filesDir, "autosave.md").outputStream())
         }
     }
 
@@ -132,7 +134,7 @@ class MainActivity : AppCompatActivity(), ActivityCompat.OnRequestPermissionsRes
             if (assetManager != null) {
                 `in` = assetManager.open(fileName)
             }
-            presenter.loadMarkdown(fileName, `in`, object : MarkdownPresenter.OnTempFileLoadedListener {
+            presenter.loadMarkdown(fileName, `in`, object : MarkdownPresenter.FileLoadedListener {
                 override fun onSuccess(html: String) {
                     infoIntent.putExtra("html", html)
                     startActivity(infoIntent)
@@ -142,7 +144,7 @@ class MainActivity : AppCompatActivity(), ActivityCompat.OnRequestPermissionsRes
                     Toast.makeText(this@MainActivity, R.string.file_load_error, Toast.LENGTH_SHORT)
                             .show()
                 }
-            })
+            }, false)
         } catch (e: Exception) {
             errorHandler.reportException(e)
             Toast.makeText(this@MainActivity, R.string.file_load_error, Toast.LENGTH_SHORT).show()

app/src/main/java/com/wbrawner/simplemarkdown/view/activity/SplashActivity.java

@@ -15,6 +15,10 @@ import com.wbrawner.simplemarkdown.R;
 import com.wbrawner.simplemarkdown.presentation.MarkdownPresenter;
 import com.wbrawner.simplemarkdown.utility.ErrorHandler;
 
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+
 import javax.inject.Inject;
 
 public class SplashActivity extends AppCompatActivity {
@@ -60,6 +64,30 @@ public class SplashActivity extends AppCompatActivity {
             presenter.loadFromUri(getApplicationContext(), intent.getData());
         } else {
             presenter.setFileName("Untitled.md");
+            final File autosave = new File(getFilesDir(), "autosave.md");
+            if (autosave.exists()) {
+                try {
+                    FileInputStream fileInputStream = new FileInputStream(autosave);
+                    presenter.loadMarkdown(
+                            "Untitled.md",
+                            fileInputStream,
+                            new MarkdownPresenter.FileLoadedListener() {
+                                @Override
+                                public void onSuccess(String markdown) {
+                                    autosave.delete();
+                                }
+
+                                @Override
+                                public void onError() {
+                                    autosave.delete();
+                                }
+                            },
+                            true
+                    );
+                } catch (FileNotFoundException ignored) {
+                    return;
+                }
+            }
         }
 
         Intent startIntent = new Intent(this, MainActivity.class);