(media) add toolbar and download button

app/src/main/java/com/keylesspalace/tusky/fragment/ViewMediaFragment.java

@@ -15,10 +15,8 @@
 
 package com.keylesspalace.tusky.fragment;
 
-import android.app.AlertDialog;
 import android.app.DownloadManager;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Build;
@@ -30,18 +28,20 @@ import android.support.annotation.StringRes;
 import android.support.design.widget.Snackbar;
 import android.support.v4.app.DialogFragment;
 import android.support.v4.content.ContextCompat;
+import android.support.v7.widget.Toolbar;
 import android.view.LayoutInflater;
+import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowManager;
 import android.widget.ImageView;
 
-import com.keylesspalace.tusky.R;
 import com.github.chrisbanes.photoview.OnOutsidePhotoTapListener;
 import com.github.chrisbanes.photoview.OnSingleFlingListener;
 import com.github.chrisbanes.photoview.PhotoView;
 import com.github.chrisbanes.photoview.PhotoViewAttacher;
+import com.keylesspalace.tusky.R;
 import com.squareup.picasso.Callback;
 import com.squareup.picasso.Picasso;
 
@@ -50,7 +50,7 @@ import java.io.File;
 import butterknife.BindView;
 import butterknife.ButterKnife;
 
-public class ViewMediaFragment extends DialogFragment {
+public class ViewMediaFragment extends DialogFragment implements Toolbar.OnMenuItemClickListener {
 
     private PhotoViewAttacher attacher;
 
@@ -59,6 +59,9 @@ public class ViewMediaFragment extends DialogFragment {
     @BindView(R.id.view_media_image)
     PhotoView photoView;
 
+    @BindView(R.id.toolbar)
+    Toolbar toolbar;
+
     public static ViewMediaFragment newInstance(String url) {
         Bundle arguments = new Bundle();
         ViewMediaFragment fragment = new ViewMediaFragment();
@@ -115,22 +118,10 @@ public class ViewMediaFragment extends DialogFragment {
             }
         });
 
-        attacher.setOnLongClickListener(new View.OnLongClickListener() {
+        toolbar.setNavigationOnClickListener(new View.OnClickListener() {
             @Override
-            public boolean onLongClick(View v) {
-
-                AlertDialog downloadDialog = new AlertDialog.Builder(getContext()).create();
-
-                downloadDialog.setButton(AlertDialog.BUTTON_NEUTRAL, getString(R.string.dialog_download_image),
-                        new DialogInterface.OnClickListener() {
-                            public void onClick(DialogInterface dialog, int which) {
-                                dialog.dismiss();
-
-                                downloadImage();
-                            }
-                        });
-                downloadDialog.show();
-                return false;
+            public void onClick(View v) {
+                dismiss();
             }
         });
 
@@ -140,6 +131,9 @@ public class ViewMediaFragment extends DialogFragment {
                     @Override
                     public void onSuccess() {
                         rootView.findViewById(R.id.view_media_progress).setVisibility(View.GONE);
+                        toolbar.setOnMenuItemClickListener(ViewMediaFragment.this);
+                        toolbar.inflateMenu(R.menu.view_media_tooblar);
+
                         attacher.update();
                     }
 
@@ -204,9 +198,24 @@ public class ViewMediaFragment extends DialogFragment {
 
     private void doErrorDialog(@StringRes int descriptionId, @StringRes int actionId,
                                View.OnClickListener listener) {
-        Snackbar bar = Snackbar.make(getView(), getString(descriptionId),
-                Snackbar.LENGTH_SHORT);
-        bar.setAction(actionId, listener);
-        bar.show();
+        if(getView() != null) {
+            Snackbar bar = Snackbar.make(getView(), getString(descriptionId),
+                    Snackbar.LENGTH_SHORT);
+            bar.setAction(actionId, listener);
+            bar.show();
+        }
+    }
+
+    @Override
+    public boolean onMenuItemClick(MenuItem item) {
+        int id = item.getItemId();
+        switch (id) {
+            case R.id.action_download:
+                downloadImage();
+                break;
+            default:
+                break;
+        }
+        return true;
     }
 }

app/src/main/res/layout/fragment_view_media.xml

@@ -1,20 +1,31 @@
 <?xml version="1.0" encoding="utf-8"?>
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:clickable="true"
     android:layout_gravity="center"
-    android:background="@android:color/black">
-
-    <ProgressBar
-        android:id="@+id/view_media_progress"
-        android:layout_gravity="center"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content" />
+    android:background="@android:color/black"
+    android:clickable="true">
 
     <com.github.chrisbanes.photoview.PhotoView
         android:id="@+id/view_media_image"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent"
+        android:layout_below="@+id/toolbar" />
+
+    <android.support.v7.widget.Toolbar
+        android:id="@+id/toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="?attr/actionBarSize"
+        android:background="?attr/colorPrimary"
+        app:navigationIcon="?attr/homeAsUpIndicator" />
+
+    <ProgressBar
+        android:id="@+id/view_media_progress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:layout_centerVertical="true"
+        android:layout_gravity="center" />
 
-</FrameLayout>
+</RelativeLayout>

app/src/main/res/menu/view_media_tooblar.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/action_download"
+        android:icon="@drawable/ic_file_download_black_24dp"
+        android:title="@string/dialog_download_image"
+        app:showAsAction="always" />
+</menu>