Zoom for images

app/build.gradle

@@ -40,4 +40,5 @@ dependencies {
     compile('com.mikepenz:materialdrawer:5.8.2@aar') {
         transitive = true
     }
+    compile 'com.github.chrisbanes:PhotoView:1.3.1'
 }

app/src/main/java/com/keylesspalace/tusky/SFragment.java

@@ -252,11 +252,13 @@ public class SFragment extends Fragment {
 
                 FragmentManager manager = getFragmentManager();
                 manager.beginTransaction()
+                        .setCustomAnimations(R.anim.zoom_in, R.anim.zoom_out, R.anim.zoom_in, R.anim.zoom_out)
                         .add(R.id.overlay_fragment_container, newFragment)
                         .addToBackStack(null)
                         .commit();
                 break;
             }
+            case GIFV:
             case VIDEO: {
                 Intent intent = new Intent(getContext(), ViewVideoActivity.class);
                 intent.putExtra("url", url);

app/src/main/java/com/keylesspalace/tusky/ViewGifFragment.java

@@ -1,58 +0,0 @@
-/* Copyright 2017 Andrew Dawson
- *
- * This file is part of Tusky.
- *
- * Tusky 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.
- *
- * Tusky 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 Tusky. If not, see
- * <http://www.gnu.org/licenses/>. */
-
-package com.keylesspalace.tusky;
-
-import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.webkit.WebView;
-
-public class ViewGifFragment extends Fragment {
-    public static ViewGifFragment newInstance(String url) {
-        Bundle arguments = new Bundle();
-        ViewGifFragment fragment = new ViewGifFragment();
-        arguments.putString("url", url);
-        fragment.setArguments(arguments);
-        return fragment;
-    }
-
-    @Nullable
-    @Override
-    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
-            @Nullable Bundle savedInstanceState) {
-        View rootView = inflater.inflate(R.layout.fragment_view_gif, container, false);
-
-        String url = getArguments().getString("url");
-        WebView gifView = (WebView) rootView.findViewById(R.id.gif_view);
-        gifView.loadUrl(url);
-
-        rootView.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                dismiss();
-            }
-        });
-
-        return rootView;
-    }
-
-    private void dismiss() {
-        getFragmentManager().popBackStack();
-    }
-}

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

@@ -21,8 +21,11 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
-import com.android.volley.toolbox.ImageLoader;
-import com.android.volley.toolbox.NetworkImageView;
+import com.squareup.picasso.Callback;
+import com.squareup.picasso.Picasso;
+
+import uk.co.senab.photoview.PhotoView;
+import uk.co.senab.photoview.PhotoViewAttacher;
 
 public class ViewMediaFragment extends Fragment {
     public static ViewMediaFragment newInstance(String url) {
@@ -40,17 +43,36 @@ public class ViewMediaFragment extends Fragment {
 
         Bundle arguments = getArguments();
         String url = arguments.getString("url");
-        NetworkImageView image = (NetworkImageView) rootView.findViewById(R.id.view_media_image);
-        ImageLoader imageLoader = VolleySingleton.getInstance(getContext()).getImageLoader();
-        image.setImageUrl(url, imageLoader);
+        PhotoView photoView = (PhotoView) rootView.findViewById(R.id.view_media_image);
+
+        final PhotoViewAttacher attacher = new PhotoViewAttacher(photoView);
 
-        rootView.setOnClickListener(new View.OnClickListener() {
+        attacher.setOnPhotoTapListener(new PhotoViewAttacher.OnPhotoTapListener() {
             @Override
-            public void onClick(View v) {
+            public void onPhotoTap(View view, float x, float y) {
+
+            }
+
+            @Override
+            public void onOutsidePhotoTap() {
                 dismiss();
             }
         });
 
+        Picasso.with(getContext())
+                .load(url)
+                .into(photoView, new Callback() {
+                    @Override
+                    public void onSuccess() {
+                        attacher.update();
+                    }
+
+                    @Override
+                    public void onError() {
+
+                    }
+                });
+
         return rootView;
     }
 

app/src/main/res/anim/zoom_in.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <scale
+        android:interpolator="@android:anim/linear_interpolator"
+        android:fromXScale=".1"
+        android:toXScale="1"
+        android:fromYScale=".1"
+        android:toYScale="1"
+        android:pivotX="50%"
+        android:pivotY="50%"
+        android:duration="200"
+        android:fillAfter="true">
+    </scale>
+
+    <alpha
+        android:interpolator="@android:anim/linear_interpolator"
+        android:fromAlpha="0"
+        android:toAlpha="1"
+        android:duration="300" />
+</set>

app/src/main/res/anim/zoom_out.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <scale
+        android:interpolator="@android:anim/linear_interpolator"
+        android:fromXScale="1"
+        android:toXScale=".1"
+        android:fromYScale="1"
+        android:toYScale=".1"
+        android:pivotX="50%"
+        android:pivotY="50%"
+        android:duration="200"
+        android:fillAfter="true">
+    </scale>
+
+    <alpha
+        android:interpolator="@android:anim/linear_interpolator"
+        android:fromAlpha="1"
+        android:toAlpha="0"
+        android:duration="300" />
+</set>

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

@@ -3,12 +3,8 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="#60000000">
-
-    <com.android.volley.toolbox.NetworkImageView
+    <uk.co.senab.photoview.PhotoView
         android:id="@+id/view_media_image"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_centerInParent="true"
-        android:scaleType="fitCenter" />
-
+        android:layout_height="match_parent" />
 </RelativeLayout>