Share image directly in ViewImageActivity.

4 files changed, 108 insertions, 5 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 49b00060..90ae24c1 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewGIFActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewGIFActivity.java
@@ -345,7 +345,7 @@ public class ViewGIFActivity extends AppCompatActivity {
             case android.R.id.home:
                 finish();
                 return true;
-            case R.id.action_download_view_gif:
+            case R.id.action_download_view_gif_activity:
                 if (isDownloading) {
                     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 c90f0d60..933b3c59 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageActivity.java
@@ -9,6 +9,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
+import android.graphics.Bitmap;
 import android.graphics.PorterDuff;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
@@ -31,16 +32,20 @@ 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.alexvasilkov.gestures.GestureController;
 import com.alexvasilkov.gestures.State;
 import com.alexvasilkov.gestures.views.GestureImageView;
 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.request.RequestListener;
 import com.bumptech.glide.request.RequestOptions;
+import com.bumptech.glide.request.target.CustomTarget;
 import com.bumptech.glide.request.target.Target;
+import com.bumptech.glide.request.transition.Transition;
 import com.github.pwittchen.swipe.library.rx2.SimpleSwipeListener;
 import com.github.pwittchen.swipe.library.rx2.Swipe;
 
@@ -50,6 +55,8 @@ import javax.inject.Inject;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
+import ml.docilealligator.infinityforreddit.AsyncTask.SaveImageToFileAsyncTask;
+import ml.docilealligator.infinityforreddit.BuildConfig;
 import ml.docilealligator.infinityforreddit.ContentFontStyle;
 import ml.docilealligator.infinityforreddit.FontStyle;
 import ml.docilealligator.infinityforreddit.Infinity;
@@ -82,6 +89,7 @@ public class ViewImageActivity extends AppCompatActivity {
     private float touchY = -1.0f;
     private float zoom = 1.0f;
     private boolean isSwiping = false;
+    private RequestManager glide;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -110,6 +118,8 @@ public class ViewImageActivity 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);
@@ -333,7 +343,7 @@ public class ViewImageActivity 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);
@@ -352,7 +362,7 @@ public class ViewImageActivity extends AppCompatActivity {
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         mMenu = menu;
-        getMenuInflater().inflate(R.menu.view_image, menu);
+        getMenuInflater().inflate(R.menu.view_image_activity, menu);
         return true;
     }
 
@@ -362,7 +372,7 @@ public class ViewImageActivity extends AppCompatActivity {
             case android.R.id.home:
                 finish();
                 return true;
-            case R.id.action_download_view_image:
+            case R.id.action_download_view_image_activity:
                 if (isDownloading) {
                     return false;
                 }
@@ -388,6 +398,44 @@ public class ViewImageActivity extends AppCompatActivity {
                 }
 
                 return true;
+            case R.id.action_share_view_image_activity:
+                glide.asBitmap().load(mImageUrl).into(new CustomTarget<Bitmap>() {
+
+                    @Override
+                    public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
+                        if (getExternalCacheDir() != null) {
+                            new SaveImageToFileAsyncTask(resource, getExternalCacheDir().getPath(),
+                                    new SaveImageToFileAsyncTask.SaveImageToFileAsyncTaskListener() {
+                                        @Override
+                                        public void saveSuccess(File imageFile) {
+                                            Uri uri = FileProvider.getUriForFile(ViewImageActivity.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() {
+                                            Toast.makeText(ViewImageActivity.this,
+                                                    R.string.cannot_save_image, Toast.LENGTH_SHORT).show();
+                                        }
+                                    }).execute();
+                        } else {
+                            Toast.makeText(ViewImageActivity.this,
+                                    R.string.cannot_get_storage, Toast.LENGTH_SHORT).show();
+                        }
+                    }
+
+                    @Override
+                    public void onLoadCleared(@Nullable Drawable placeholder) {
+
+                    }
+                });
+                return true;
         }
 
         return false;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewVideoActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewVideoActivity.java
index 6a2a4fdc..3ed60d5c 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewVideoActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewVideoActivity.java
@@ -385,7 +385,7 @@ public class ViewVideoActivity extends AppCompatActivity {
             case android.R.id.home:
                 finish();
                 return true;
-            case R.id.action_download_view_video:
+            case R.id.action_download_view_video_activity:
                 isDownloading = true;
                 if (Build.VERSION.SDK_INT >= 23) {
                     if (ContextCompat.checkSelfPermission(this,
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/SaveImageToFileAsyncTask.java b/app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/SaveImageToFileAsyncTask.java
new file mode 100644
index 00000000..07164a46
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/SaveImageToFileAsyncTask.java
@@ -0,0 +1,55 @@
+package ml.docilealligator.infinityforreddit.AsyncTask;
+
+import android.graphics.Bitmap;
+import android.os.AsyncTask;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class SaveImageToFileAsyncTask extends AsyncTask<Void, Void, Void> {
+    private Bitmap resource;
+    private String cacheDirPath;
+    private SaveImageToFileAsyncTaskListener saveImageToFileAsyncTaskListener;
+    private boolean saveSuccess = true;
+    private File imageFile;
+
+    public SaveImageToFileAsyncTask(Bitmap resource, String cacheDirPath,
+                                    SaveImageToFileAsyncTaskListener saveImageToFileAsyncTaskListener) {
+        this.resource = resource;
+        this.cacheDirPath = cacheDirPath;
+        this.saveImageToFileAsyncTaskListener = saveImageToFileAsyncTaskListener;
+    }
+
+    public interface SaveImageToFileAsyncTaskListener {
+        void saveSuccess(File imageFile);
+        void saveFailed();
+    }
+
+    @Override
+    protected Void doInBackground(Void... voids) {
+        try {
+            imageFile = new File(cacheDirPath, "shared.jpg");
+            OutputStream outputStream = new FileOutputStream(imageFile);
+
+            resource.compress(Bitmap.CompressFormat.JPEG, 100, outputStream);
+
+            outputStream.flush();
+            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();
+        }
+    }
+}