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120 changes: 120 additions & 0 deletions
120
app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/TooltipWidget.java
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| @@ -0,0 +1,120 @@ | ||
| package org.mozilla.vrbrowser.ui.widgets; | ||
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| import android.content.Context; | ||
| import android.graphics.PointF; | ||
| import android.graphics.Rect; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
| import android.view.ViewTreeObserver; | ||
| import android.widget.TextView; | ||
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| import org.mozilla.vrbrowser.R; | ||
| import org.mozilla.vrbrowser.utils.ViewUtils; | ||
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| public class TooltipWidget extends UIWidget { | ||
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| private View mTargetView; | ||
| private UIWidget mParentWidget; | ||
| protected TextView mText; | ||
| private PointF mTranslation; | ||
| private float mRatio; | ||
| private int mPaddingH; | ||
| private int mPaddingV; | ||
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| public TooltipWidget(Context aContext) { | ||
| super(aContext); | ||
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| initialize(); | ||
| } | ||
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| private void initialize() { | ||
| inflate(getContext(), R.layout.tooltip, this); | ||
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| mText = findViewById(R.id.tooltipText); | ||
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| ViewGroup layout = findViewById(R.id.layout); | ||
| mPaddingH = layout.getPaddingStart() + layout.getPaddingEnd(); | ||
| mPaddingV = layout.getPaddingTop() + layout.getPaddingBottom(); | ||
| } | ||
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| @Override | ||
| protected void initializeWidgetPlacement(WidgetPlacement aPlacement) { | ||
| aPlacement.visible = false; | ||
| aPlacement.width = 0; | ||
| aPlacement.height = 0; | ||
| aPlacement.parentAnchorX = 0.0f; | ||
| aPlacement.parentAnchorY = 1.0f; | ||
| aPlacement.anchorX = 0.5f; | ||
| aPlacement.anchorY = 0.5f; | ||
| aPlacement.translationZ = WidgetPlacement.unitFromMeters(getContext(), R.dimen.tooltip_z_distance); | ||
| } | ||
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| @Override | ||
| public void show(@ShowFlags int aShowFlags) { | ||
| measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), | ||
| MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED)); | ||
| mWidgetPlacement.translationX = mTranslation.x * (mRatio / mWidgetPlacement.density); | ||
| mWidgetPlacement.translationY = mTranslation.y * (mRatio / mWidgetPlacement.density); | ||
| mWidgetPlacement.width = (int)((getMeasuredWidth() + mPaddingH)/mWidgetPlacement.density); | ||
| mWidgetPlacement.height = (int)((getMeasuredHeight() + mPaddingV)/mWidgetPlacement.density); | ||
| super.show(aShowFlags); | ||
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| ViewTreeObserver viewTreeObserver = getViewTreeObserver(); | ||
| if (viewTreeObserver.isAlive()) { | ||
| viewTreeObserver.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { | ||
| @Override | ||
| public void onGlobalLayout() { | ||
| getViewTreeObserver().removeOnGlobalLayoutListener(this); | ||
| mWidgetPlacement.width = (int)(getWidth() / mWidgetPlacement.density); | ||
| mWidgetPlacement.height = (int)(getHeight() / mWidgetPlacement.density); | ||
| mWidgetManager.updateWidget(TooltipWidget.this); | ||
| } | ||
| }); | ||
| } | ||
| } | ||
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| public void setLayoutParams(View targetView) { | ||
| this.setLayoutParams(targetView, ViewUtils.TooltipPosition.BOTTOM); | ||
| } | ||
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| public void setLayoutParams(View targetView, ViewUtils.TooltipPosition position) { | ||
| this.setLayoutParams(targetView, position, mWidgetPlacement.density); | ||
| } | ||
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| public void setLayoutParams(View targetView, ViewUtils.TooltipPosition position, float density) { | ||
| mTargetView = targetView; | ||
| mParentWidget = ViewUtils.getParentWidget(mTargetView); | ||
| if (mParentWidget != null) { | ||
| mRatio = WidgetPlacement.worldToWidgetRatio(mParentWidget); | ||
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| Rect offsetViewBounds = new Rect(); | ||
| getDrawingRect(offsetViewBounds); | ||
| mParentWidget.offsetDescendantRectToMyCoords(mTargetView, offsetViewBounds); | ||
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| mWidgetPlacement.parentHandle = mParentWidget.getHandle(); | ||
| // At the moment we only support showing tooltips on top or bottom of the target view | ||
| if (position == ViewUtils.TooltipPosition.BOTTOM) { | ||
| mWidgetPlacement.density = density; | ||
| mWidgetPlacement.anchorY = 1.0f; | ||
| mWidgetPlacement.parentAnchorY = 0.0f; | ||
| float densityRatio = mWidgetPlacement.density / getContext().getResources().getDisplayMetrics().density; | ||
| mTranslation = new PointF( | ||
| (offsetViewBounds.left + mTargetView.getWidth() / 2) * densityRatio, | ||
| -offsetViewBounds.top * densityRatio); | ||
| } else { | ||
| mWidgetPlacement.density = density; | ||
| mWidgetPlacement.anchorY = 0.0f; | ||
| mWidgetPlacement.parentAnchorY = 1.0f; | ||
| float densityRatio = mWidgetPlacement.density / getContext().getResources().getDisplayMetrics().density; | ||
| mTranslation = new PointF( | ||
| (offsetViewBounds.left + mTargetView.getWidth() / 2) * densityRatio, | ||
| offsetViewBounds.top * densityRatio); | ||
| } | ||
| } | ||
| } | ||
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| public void setText(String text) { | ||
| mText.setText(text); | ||
| } | ||
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| } |
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44 changes: 44 additions & 0 deletions
44
app/src/common/shared/org/mozilla/vrbrowser/utils/ViewUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package org.mozilla.vrbrowser.utils; | ||
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| import android.view.View; | ||
| import android.view.ViewParent; | ||
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| import androidx.annotation.NonNull; | ||
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| import org.mozilla.vrbrowser.ui.widgets.UIWidget; | ||
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| public class ViewUtils { | ||
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| public enum TooltipPosition { | ||
| TOP(0), BOTTOM(1); | ||
| int id; | ||
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| TooltipPosition(int id) { | ||
| this.id = id; | ||
| } | ||
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| public static TooltipPosition fromId(int id) { | ||
| for (TooltipPosition f : values()) { | ||
| if (f.id == id) return f; | ||
| } | ||
| throw new IllegalArgumentException(); | ||
| } | ||
| } | ||
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| public static UIWidget getParentWidget(@NonNull View view) { | ||
| if (view == null) | ||
| return null; | ||
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| ViewParent v = view.getParent(); | ||
| if (v instanceof UIWidget) { | ||
| return (UIWidget)v; | ||
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| } else if (v instanceof View){ | ||
| return getParentWidget((View)v); | ||
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| } else { | ||
| return null; | ||
| } | ||
| } | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,7 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <shape xmlns:android="http://schemas.android.com/apk/res/android" | ||
| android:shape="rectangle"> | ||
| <corners android:radius="30dp" /> | ||
| <stroke android:color="@color/rhino_blur" android:width="@dimen/blur_radius" /> | ||
| <solid android:color="@color/rhino"/> | ||
| </shape> |
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