Share gif directly in ViewGifActivity.

4 files changed, 108 insertions, 2 deletions

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewGIFActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewGIFActivity.java
index 90ae24c1..5c641cff 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewGIFActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewGIFActivity.java
@@ -31,10 +31,13 @@ import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.app.ActivityCompat;
 import androidx.core.content.ContextCompat;
+import androidx.core.content.FileProvider;
 
 import com.bumptech.glide.Glide;
+import com.bumptech.glide.RequestManager;
 import com.bumptech.glide.load.DataSource;
 import com.bumptech.glide.load.engine.GlideException;
+import com.bumptech.glide.load.resource.gif.GifDrawable;
 import com.bumptech.glide.request.RequestListener;
 import com.bumptech.glide.request.RequestOptions;
 import com.bumptech.glide.request.target.Target;
@@ -47,12 +50,14 @@ import javax.inject.Inject;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
+import ml.docilealligator.infinityforreddit.AsyncTask.SaveGIFToFileAsyncTask;
+import ml.docilealligator.infinityforreddit.BuildConfig;
 import ml.docilealligator.infinityforreddit.ContentFontStyle;
 import ml.docilealligator.infinityforreddit.FontStyle;
 import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
-import ml.docilealligator.infinityforreddit.Utils.SharedPreferencesUtils;
 import ml.docilealligator.infinityforreddit.TitleFontStyle;
+import ml.docilealligator.infinityforreddit.Utils.SharedPreferencesUtils;
 import pl.droidsonroids.gif.GifImageView;
 
 public class ViewGIFActivity extends AppCompatActivity {
@@ -74,6 +79,7 @@ public class ViewGIFActivity extends AppCompatActivity {
     private boolean isDownloading = false;
     private Menu mMenu;
     private Swipe swipe;
+    private RequestManager glide;
     private String mImageUrl;
     private String mImageFileName;
     private float totalLengthY = 0.0f;
@@ -107,6 +113,8 @@ public class ViewGIFActivity extends AppCompatActivity {
         actionBar.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.transparentActionBarAndExoPlayerControllerColor)));
         setTitle("");
 
+        glide = Glide.with(this);
+
         Intent intent = getIntent();
         mImageUrl = intent.getStringExtra(IMAGE_URL_KEY);
         mImageFileName = intent.getStringExtra(FILE_NAME_KEY);
@@ -316,7 +324,7 @@ public class ViewGIFActivity extends AppCompatActivity {
     }
 
     private void loadImage() {
-        Glide.with(this).load(mImageUrl).listener(new RequestListener<Drawable>() {
+        glide.load(mImageUrl).listener(new RequestListener<Drawable>() {
             @Override
             public boolean onLoadFailed(@Nullable GlideException e, Object model, Target<Drawable> target, boolean isFirstResource) {
                 mProgressBar.setVisibility(View.GONE);
@@ -371,6 +379,44 @@ public class ViewGIFActivity extends AppCompatActivity {
                 }
 
                 return true;
+            case R.id.action_share_view_gif_activity:
+                Toast.makeText(ViewGIFActivity.this, R.string.save_gif_before_sharing, Toast.LENGTH_SHORT).show();
+                glide.asGif().load(mImageUrl).listener(new RequestListener<GifDrawable>() {
+                    @Override
+                    public boolean onLoadFailed(@Nullable GlideException e, Object model, Target<GifDrawable> target, boolean isFirstResource) {
+                        return false;
+                    }
+
+                    @Override
+                    public boolean onResourceReady(GifDrawable resource, Object model, Target<GifDrawable> target, DataSource dataSource, boolean isFirstResource) {
+                        if (getExternalCacheDir() != null) {
+                            new SaveGIFToFileAsyncTask(resource, getExternalCacheDir().getPath(),
+                                    new SaveGIFToFileAsyncTask.SaveGIFToFileAsyncTaskListener() {
+                                        @Override
+                                        public void saveSuccess(File imageFile) {
+                                            Uri uri = FileProvider.getUriForFile(ViewGIFActivity.this,
+                                                    BuildConfig.APPLICATION_ID + ".provider", imageFile);
+                                            Intent shareIntent = new Intent();
+                                            shareIntent.setAction(Intent.ACTION_SEND);
+                                            shareIntent.putExtra(Intent.EXTRA_STREAM, uri);
+                                            shareIntent.setType("image/*");
+                                            shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+                                            startActivity(Intent.createChooser(shareIntent, getString(R.string.share)));
+                                        }
+
+                                        @Override
+                                        public void saveFailed() {
+
+                                        }
+                                    }).execute();
+                        } else {
+                            Toast.makeText(ViewGIFActivity.this,
+                                    R.string.cannot_get_storage, Toast.LENGTH_SHORT).show();
+                        }
+                        return false;
+                    }
+                }).submit();
+                return true;
         }
 
         return false;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageActivity.java
index 933b3c59..c58d0736 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageActivity.java
@@ -404,6 +404,7 @@ public class ViewImageActivity extends AppCompatActivity {
                     @Override
                     public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
                         if (getExternalCacheDir() != null) {
+                            Toast.makeText(ViewImageActivity.this, R.string.save_image_before_sharing, Toast.LENGTH_SHORT).show();
                             new SaveImageToFileAsyncTask(resource, getExternalCacheDir().getPath(),
                                     new SaveImageToFileAsyncTask.SaveImageToFileAsyncTaskListener() {
                                         @Override
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/SaveGIFToFileAsyncTask.java b/app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/SaveGIFToFileAsyncTask.java
new file mode 100644
index 00000000..39452004
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/SaveGIFToFileAsyncTask.java
@@ -0,0 +1,57 @@
+package ml.docilealligator.infinityforreddit.AsyncTask;
+
+import android.os.AsyncTask;
+
+import com.bumptech.glide.load.resource.gif.GifDrawable;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.ByteBuffer;
+
+public class SaveGIFToFileAsyncTask extends AsyncTask<Void, Void, Void> {
+    private GifDrawable resource;
+    private String cacheDirPath;
+    private SaveGIFToFileAsyncTaskListener saveImageToFileAsyncTaskListener;
+    private boolean saveSuccess = true;
+    private File imageFile;
+
+    public SaveGIFToFileAsyncTask(GifDrawable resource, String cacheDirPath,
+                                    SaveGIFToFileAsyncTaskListener saveImageToFileAsyncTaskListener) {
+        this.resource = resource;
+        this.cacheDirPath = cacheDirPath;
+        this.saveImageToFileAsyncTaskListener = saveImageToFileAsyncTaskListener;
+    }
+
+    public interface SaveGIFToFileAsyncTaskListener {
+        void saveSuccess(File imageFile);
+        void saveFailed();
+    }
+
+    @Override
+    protected Void doInBackground(Void... voids) {
+        try {
+            imageFile = new File(cacheDirPath, "shared.gif");
+            ByteBuffer byteBuffer = resource.getBuffer();
+            OutputStream outputStream = new FileOutputStream(imageFile);
+            byte[] bytes = new byte[byteBuffer.capacity()];
+            ((ByteBuffer) byteBuffer.duplicate().clear()).get(bytes);
+            outputStream.write(bytes, 0, bytes.length);
+            outputStream.close();
+        } catch (IOException e) {
+            saveSuccess = false;
+        }
+        return null;
+    }
+
+    @Override
+    protected void onPostExecute(Void aVoid) {
+        super.onPostExecute(aVoid);
+        if (saveSuccess) {
+            saveImageToFileAsyncTaskListener.saveSuccess(imageFile);
+        } else {
+            saveImageToFileAsyncTaskListener.saveFailed();
+        }
+    }
+}
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index cc7e8795..41b3dde0 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -456,4 +456,6 @@
     <string name="cannot_save_image">Cannot save the image</string>
     <string name="cannot_save_gif">Cannot save the gif</string>
     <string name="cannot_get_storage">Cannot access the app storage</string>
+    <string name="save_image_before_sharing">Saving the image. Please wait.</string>
+    <string name="save_gif_before_sharing">Saving the gif. Please wait.</string>
 </resources>