Merge remote-tracking branch 'upstream/master'

2022-12-05 17:57:24 +01:00
parent f346c0af26 012cca550e
commit 7feaf093e2
20 changed files with 1321 additions and 448 deletions
--- a/mastodon/src/main/java/org/joinmastodon/android/ui/views/FloatingHintEditTextLayout.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/ui/views/FloatingHintEditTextLayout.java
@@ -0,0 +1,124 @@
+package org.joinmastodon.android.ui.views;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.text.Editable;
+import android.util.AttributeSet;
+import android.util.TypedValue;
+import android.view.Gravity;
+import android.view.ViewGroup;
+import android.widget.EditText;
+import android.widget.FrameLayout;
+import android.widget.TextView;
+
+import org.joinmastodon.android.R;
+import org.joinmastodon.android.ui.utils.SimpleTextWatcher;
+
+import me.grishka.appkit.utils.CubicBezierInterpolator;
+import me.grishka.appkit.utils.V;
+
+public class FloatingHintEditTextLayout extends FrameLayout{
+	private EditText edit;
+	private TextView label;
+	private int labelTextSize;
+	private int offsetY;
+	private boolean hintVisible;
+	private Animator currentAnim;
+
+	public FloatingHintEditTextLayout(Context context){
+		this(context, null);
+	}
+
+	public FloatingHintEditTextLayout(Context context, AttributeSet attrs){
+		this(context, attrs, 0);
+	}
+
+	public FloatingHintEditTextLayout(Context context, AttributeSet attrs, int defStyle){
+		super(context, attrs, defStyle);
+		if(isInEditMode())
+			V.setApplicationContext(context);
+		TypedArray ta=context.obtainStyledAttributes(attrs, R.styleable.FloatingHintEditTextLayout);
+		labelTextSize=ta.getDimensionPixelSize(R.styleable.FloatingHintEditTextLayout_android_labelTextSize, V.dp(12));
+		offsetY=ta.getDimensionPixelOffset(R.styleable.FloatingHintEditTextLayout_editTextOffsetY, 0);
+		ta.recycle();
+	}
+
+	@Override
+	protected void onFinishInflate(){
+		super.onFinishInflate();
+		if(getChildCount()>0 && getChildAt(0) instanceof EditText et){
+			edit=et;
+		}else{
+			throw new IllegalStateException("First child must be an EditText");
+		}
+
+		label=new TextView(getContext());
+		label.setTextSize(TypedValue.COMPLEX_UNIT_PX, labelTextSize);
+		label.setTextColor(edit.getHintTextColors());
+		label.setText(edit.getHint());
+		label.setSingleLine();
+		label.setPivotX(0f);
+		label.setPivotY(0f);
+		LayoutParams lp=new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT, Gravity.START | Gravity.TOP);
+		lp.setMarginStart(edit.getPaddingStart());
+		addView(label, lp);
+
+		hintVisible=edit.getText().length()==0;
+		if(hintVisible)
+			label.setAlpha(0f);
+
+		edit.addTextChangedListener(new SimpleTextWatcher(this::onTextChanged));
+	}
+
+	private void onTextChanged(Editable text){
+		boolean newHintVisible=text.length()==0;
+		if(newHintVisible==hintVisible)
+			return;
+		if(currentAnim!=null)
+			currentAnim.cancel();
+		hintVisible=newHintVisible;
+
+		label.setAlpha(1);
+		float scale=edit.getLineHeight()/(float)label.getLineHeight();
+		float transY=edit.getHeight()/2f-edit.getLineHeight()/2f+(edit.getTop()-label.getTop())-(label.getHeight()/2f-label.getLineHeight()/2f);
+
+		AnimatorSet anim=new AnimatorSet();
+		if(hintVisible){
+			anim.playTogether(
+					ObjectAnimator.ofFloat(edit, TRANSLATION_Y, 0),
+					ObjectAnimator.ofFloat(label, SCALE_X, scale),
+					ObjectAnimator.ofFloat(label, SCALE_Y, scale),
+					ObjectAnimator.ofFloat(label, TRANSLATION_Y, transY)
+			);
+			edit.setHintTextColor(0);
+		}else{
+			label.setScaleX(scale);
+			label.setScaleY(scale);
+			label.setTranslationY(transY);
+			anim.playTogether(
+					ObjectAnimator.ofFloat(edit, TRANSLATION_Y, offsetY),
+					ObjectAnimator.ofFloat(label, SCALE_X, 1f),
+					ObjectAnimator.ofFloat(label, SCALE_Y, 1f),
+					ObjectAnimator.ofFloat(label, TRANSLATION_Y, 0f)
+			);
+		}
+		anim.setDuration(150);
+		anim.setInterpolator(CubicBezierInterpolator.DEFAULT);
+		anim.start();
+		anim.addListener(new AnimatorListenerAdapter(){
+			@Override
+			public void onAnimationEnd(Animator animation){
+				currentAnim=null;
+				if(hintVisible){
+					label.setAlpha(0);
+					edit.setHintTextColor(label.getTextColors());
+				}
+			}
+		});
+		currentAnim=anim;
+	}
+}