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* Preferred Languages fixes * Fix last item not being refreshed after and addition
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91 changes: 91 additions & 0 deletions
91
app/src/common/shared/org/mozilla/vrbrowser/ui/views/FadingFrameLayout.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| package org.mozilla.vrbrowser.ui.views; | ||
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| import android.content.Context; | ||
| import android.graphics.Canvas; | ||
| import android.graphics.Color; | ||
| import android.graphics.LinearGradient; | ||
| import android.graphics.Paint; | ||
| import android.graphics.PorterDuff; | ||
| import android.graphics.PorterDuffXfermode; | ||
| import android.graphics.Rect; | ||
| import android.graphics.Shader; | ||
| import android.util.AttributeSet; | ||
| import android.widget.FrameLayout; | ||
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| public class FadingFrameLayout extends FrameLayout { | ||
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| private static final int[] FADE_COLORS_REVERSE = new int[]{Color.BLACK, Color.TRANSPARENT}; | ||
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| private Paint mPaint; | ||
| private Rect mRect; | ||
| private boolean mDirty; | ||
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| public FadingFrameLayout(Context context) { | ||
| super(context); | ||
| init(); | ||
| } | ||
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| public FadingFrameLayout(Context context, AttributeSet attrs) { | ||
| super(context, attrs); | ||
| init(); | ||
| } | ||
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| public FadingFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) { | ||
| super(context, attrs, defStyleAttr); | ||
| init(); | ||
| } | ||
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| private void init() { | ||
| PorterDuffXfermode mode = new PorterDuffXfermode(PorterDuff.Mode.DST_IN); | ||
| mPaint = new Paint(Paint.ANTI_ALIAS_FLAG); | ||
| mPaint.setXfermode(mode); | ||
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| mRect = new Rect(); | ||
| } | ||
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| @Override | ||
| public void setPadding(int left, int top, int right, int bottom) { | ||
| if (getPaddingRight() != right) { | ||
| mDirty = true; | ||
| } | ||
| super.setPadding(left, top, right, bottom); | ||
| } | ||
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| @Override | ||
| protected void onSizeChanged(int w, int h, int oldw, int oldh) { | ||
| super.onSizeChanged(w, h, oldw, oldh); | ||
| if (w != oldw) { | ||
| mDirty = true; | ||
| } | ||
| } | ||
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| @Override | ||
| protected void dispatchDraw(Canvas canvas) { | ||
| int newWidth = getWidth(), newHeight = getHeight(); | ||
| if (getVisibility() == GONE || newWidth == 0 || newHeight == 0) { | ||
| super.dispatchDraw(canvas); | ||
| return; | ||
| } | ||
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| if (mDirty) { | ||
| int actualWidth = getWidth() - getPaddingLeft() - getPaddingRight(); | ||
| int size = Math.min(getHorizontalFadingEdgeLength(), actualWidth); | ||
| int l = getPaddingLeft() + actualWidth - size; | ||
| int t = getPaddingTop(); | ||
| int r = l + size; | ||
| int b = getHeight() - getPaddingBottom(); | ||
| mRect.set(l, t, r, b); | ||
| LinearGradient gradient = new LinearGradient(l, t, r, t, FADE_COLORS_REVERSE, null, Shader.TileMode.CLAMP); | ||
| mPaint.setShader(gradient); | ||
| } | ||
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| int count = canvas.saveLayer(0.0f, 0.0f, (float) getWidth(), (float) getHeight(), null, Canvas.ALL_SAVE_FLAG); | ||
| super.dispatchDraw(canvas); | ||
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| if (isHorizontalFadingEdgeEnabled() && getHorizontalFadingEdgeLength() > 0) { | ||
| canvas.drawRect(mRect, mPaint); | ||
| } | ||
| canvas.restoreToCount(count); | ||
| } | ||
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| } |
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