1 files changed, 69 insertions, 23 deletions

diff --git a/app/src/main/java/fr/gouv/etalab/mastodon/helper/CustomTextView.java b/app/src/main/java/fr/gouv/etalab/mastodon/helper/CustomTextView.java
index e3891a364..2def0f090 100644
--- a/app/src/main/java/fr/gouv/etalab/mastodon/helper/CustomTextView.java
+++ b/app/src/main/java/fr/gouv/etalab/mastodon/helper/CustomTextView.java
@@ -14,11 +14,20 @@ package fr.gouv.etalab.mastodon.helper;
  *
  * You should have received a copy of the GNU General Public License along with Mastalab; if not,
  * see <http://www.gnu.org/licenses>. */
+import android.annotation.SuppressLint;
 import android.content.Context;
-import android.text.Selection;
-import android.text.Spannable;
+import android.content.SharedPreferences;
+import android.content.res.TypedArray;
+import android.graphics.Paint;
+import android.support.annotation.DimenRes;
+import android.support.annotation.Px;
+import android.support.v7.widget.AppCompatTextView;
+import android.text.SpannableStringBuilder;
 import android.util.AttributeSet;
-import android.view.MotionEvent;
+
+import com.vanniktech.emoji.EmojiManager;
+
+import fr.gouv.etalab.mastodon.R;
 
 
 /**
@@ -26,36 +35,73 @@ import android.view.MotionEvent;
  * Allows to fix crashes with selection see: https://stackoverflow.com/a/36740247
  */
 
-public class CustomTextView extends android.support.v7.widget.AppCompatTextView {
-
+public class CustomTextView extends AppCompatTextView {
 
+    private float emojiSize;
+    private boolean emoji;
     public CustomTextView(Context context) {
         super(context);
     }
 
     public CustomTextView(Context context, AttributeSet attrs) {
         super(context, attrs);
+        final SharedPreferences sharedpreferences = context.getSharedPreferences(Helper.APP_PREFS, android.content.Context.MODE_PRIVATE);
+        emoji = sharedpreferences.getBoolean(Helper.SET_DISPLAY_EMOJI, true);
+
+        final Paint.FontMetrics fontMetrics = getPaint().getFontMetrics();
+        final float defaultEmojiSize = fontMetrics.descent - fontMetrics.ascent;
+
+        if (attrs == null) {
+            emojiSize = defaultEmojiSize;
+        } else {
+            @SuppressLint("CustomViewStyleable") final TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.EmojiTextView);
+
+            try {
+                emojiSize = a.getDimension(R.styleable.EmojiTextView_emojiSize, defaultEmojiSize);
+            } finally {
+                a.recycle();
+            }
+        }
+        setText(getText());
+    }
+
+    @Override
+    public void setText(final CharSequence rawText, final BufferType type) {
+        if( emoji) {
+            final CharSequence text = rawText == null ? "" : rawText;
+            final SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder(text);
+            final Paint.FontMetrics fontMetrics = getPaint().getFontMetrics();
+            final float defaultEmojiSize = fontMetrics.descent - fontMetrics.ascent;
+            EmojiManager.getInstance().replaceWithImages(getContext(), spannableStringBuilder, emojiSize, defaultEmojiSize);
+            super.setText(spannableStringBuilder, type);
+        }else {
+            super.setText(rawText, type);
+        }
+
     }
 
-    public CustomTextView(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
+    /** sets the emoji size in pixels and automatically invalidates the text and renders it with the new size */
+    public final void setEmojiSize(@Px final int pixels) {
+        setEmojiSize(pixels, true);
     }
 
-    //TODO: sounds no longer needed, commented but might be removed in a next release
-    /*@Override
-    public boolean dispatchTouchEvent(final MotionEvent event) {
-        // FIXME simple workaround to https://code.google.com/p/android/issues/detail?id=191430
-        int startSelection = getSelectionStart();
-        int endSelection = getSelectionEnd();
-        if (startSelection < 0 || endSelection < 0){
-            Selection.setSelection((Spannable) getText(), getText().length());
-        } else if (startSelection != endSelection) {
-            if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
-                final CharSequence text = getText();
-                setText(null);
-                setText(text);
-            }
+    /** sets the emoji size in pixels and automatically invalidates the text and renders it with the new size when {@code shouldInvalidate} is true */
+    public final void setEmojiSize(@Px final int pixels, final boolean shouldInvalidate) {
+        emojiSize = pixels;
+
+        if (shouldInvalidate) {
+            setText(getText());
         }
-        return super.dispatchTouchEvent(event);
-    }*/
+    }
+
+    /** sets the emoji size in pixels with the provided resource and automatically invalidates the text and renders it with the new size */
+    public final void setEmojiSizeRes(@DimenRes final int res) {
+        setEmojiSizeRes(res, true);
+    }
+
+    /** sets the emoji size in pixels with the provided resource and invalidates the text and renders it with the new size when {@code shouldInvalidate} is true */
+    public final void setEmojiSizeRes(@DimenRes final int res, final boolean shouldInvalidate) {
+        setEmojiSize(getResources().getDimensionPixelSize(res), shouldInvalidate);
+    }
+
 }