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package com.mapbox.mapboxsdk.annotations;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.PointF;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import com.mapbox.mapboxsdk.R;
import com.mapbox.mapboxsdk.geometry.LatLng;
import com.mapbox.mapboxsdk.views.MapView;
import java.lang.ref.WeakReference;
/**
* A tooltip view
*/
public class InfoWindow {
private WeakReference<Marker> mBoundMarker;
private WeakReference<MapView> mMapView;
private float mMarkerHeightOffset;
private boolean mIsVisible;
protected View mView;
static int mTitleId = 0;
static int mDescriptionId = 0;
static int mSubDescriptionId = 0;
static int mImageId = 0;
InfoWindow(int layoutResId, MapView mapView) {
View view = LayoutInflater.from(mapView.getContext()).inflate(layoutResId, mapView, false);
if (mTitleId == 0) {
setResIds(mapView.getContext());
}
initialize(view, mapView);
}
InfoWindow(View view, MapView mapView) {
initialize(view, mapView);
}
private void initialize(View view, MapView mapView) {
mMapView = new WeakReference<>(mapView);
mIsVisible = false;
mView = view;
// default behavior: close it when clicking on the tooltip:
mView.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent e) {
if (e.getAction() == MotionEvent.ACTION_UP) {
boolean handledDefaultClick = false;
MapView.OnInfoWindowClickListener onInfoWindowClickListener =
mMapView.get().getOnInfoWindowClickListener();
if (onInfoWindowClickListener != null) {
handledDefaultClick = onInfoWindowClickListener.onMarkerClick(getBoundMarker());
}
if (!handledDefaultClick) {
close();
}
}
return true;
}
});
}
/**
* open the window at the specified position.
*
* @param boundMarker the marker on which is hooked the view
* @param position to place the window on the map
* @param offsetX (&offsetY) the offset of the view to the position, in pixels.
* This allows to offset the view from the object position.
* @return this infowindow
*/
InfoWindow open(Marker boundMarker, LatLng position, int offsetX, int offsetY) {
setBoundMarker(boundMarker);
mMarkerHeightOffset = offsetY;
MapView.LayoutParams lp = new MapView.LayoutParams(MapView.LayoutParams.WRAP_CONTENT, MapView.LayoutParams.WRAP_CONTENT);
mView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
// Calculate default Android x,y coordinate
PointF coords = mMapView.get().toScreenLocation(position);
float x = coords.x - (mView.getMeasuredWidth() / 2) + offsetX;
float y = coords.y - mView.getMeasuredHeight() + mMarkerHeightOffset;
if (mView instanceof InfoWindowView) {
// only apply repositioning/margin for InfoWindowView
Resources resources = mMapView.get().getContext().getResources();
// get right/left popup window
float rightSideInfowWindow = x + mView.getMeasuredWidth();
float leftSideInfoWindow = x;
// get right/left map view
final float mapRight = mMapView.get().getRight();
final float mapLeft = mMapView.get().getLeft();
float marginHorizontal = resources.getDimension(R.dimen.infowindow_margin);
float tipViewOffset = resources.getDimension(R.dimen.infowindow_tipview_width) / 2;
float tipViewMarginLeft = mView.getMeasuredWidth() / 2 - tipViewOffset;
boolean outOfBoundsLeft = false;
boolean outOfBoundsRight = false;
// if out of bounds right
if (rightSideInfowWindow > mapRight) {
outOfBoundsRight = true;
x -= rightSideInfowWindow - mapRight;
tipViewMarginLeft += rightSideInfowWindow - mapRight + tipViewOffset;
rightSideInfowWindow = x + mView.getMeasuredWidth();
}
// fit screen left
if (leftSideInfoWindow < mapLeft) {
outOfBoundsLeft = true;
x += mapLeft - leftSideInfoWindow;
tipViewMarginLeft -= mapLeft - leftSideInfoWindow + tipViewOffset;
leftSideInfoWindow = x;
}
// Add margin right
if (outOfBoundsRight && mapRight - rightSideInfowWindow < marginHorizontal) {
x -= marginHorizontal - (mapRight - rightSideInfowWindow);
tipViewMarginLeft += marginHorizontal - (mapRight - rightSideInfowWindow) - tipViewOffset;
leftSideInfoWindow = x;
}
// Add margin left
if (outOfBoundsLeft && leftSideInfoWindow - mapLeft < marginHorizontal) {
x += marginHorizontal - (leftSideInfoWindow - mapLeft);
tipViewMarginLeft -= (marginHorizontal - (leftSideInfoWindow - mapLeft)) - tipViewOffset;
}
// Adjust tipView
InfoWindowView infoWindowView = (InfoWindowView) mView;
infoWindowView.setTipViewMarginLeft((int) tipViewMarginLeft);
}
// set anchor popupwindowview
mView.setX(x);
mView.setY(y);
close(); //if it was already opened
mMapView.get().addView(mView, lp);
mIsVisible = true;
return this;
}
/**
* Close this InfoWindow if it is visible, otherwise don't do anything.
*
* @return this info window
*/
InfoWindow close() {
if (mIsVisible) {
mIsVisible = false;
((ViewGroup) mView.getParent()).removeView(mView);
setBoundMarker(null);
onClose();
}
return this;
}
/**
* Constructs the view that is displayed when the InfoWindow opens.
* This retrieves data from overlayItem and shows it in the tooltip.
*
* @param overlayItem the tapped overlay item
*/
void adaptDefaultMarker(Marker overlayItem) {
String title = overlayItem.getTitle();
((TextView) mView.findViewById(mTitleId /*R.id.title*/)).setText(title);
String snippet = overlayItem.getSnippet();
((TextView) mView.findViewById(mDescriptionId /*R.id.description*/)).setText(snippet);
/*
//handle sub-description, hiding or showing the text view:
TextView subDescText = (TextView) mView.findViewById(mSubDescriptionId);
String subDesc = overlayItem.getSubDescription();
if ("".equals(subDesc)) {
subDescText.setVisibility(View.GONE);
} else {
subDescText.setText(subDesc);
subDescText.setVisibility(View.VISIBLE);
}
*/
}
private void onClose() {
mMapView.get().deselectMarker(getBoundMarker());
}
InfoWindow setBoundMarker(Marker boundMarker) {
mBoundMarker = new WeakReference<>(boundMarker);
return this;
}
Marker getBoundMarker() {
if (mBoundMarker == null) {
return null;
}
return mBoundMarker.get();
}
/**
* Given a context, set the resource ids for the layout
* of the InfoWindow.
*
* @param context the apps Context
*/
private static void setResIds(Context context) {
String packageName = context.getPackageName(); //get application package name
mTitleId = context.getResources().getIdentifier("id/infowindow_title", null, packageName);
mDescriptionId =
context.getResources().getIdentifier("id/infowindow_description", null, packageName);
mSubDescriptionId = context.getResources()
.getIdentifier("id/infowindow_subdescription", null, packageName);
mImageId = context.getResources().getIdentifier("id/infowindow_image", null, packageName);
}
public void update() {
MapView mapView = mMapView.get();
Marker marker = mBoundMarker.get();
if (mapView != null && marker != null) {
PointF pointF = mapView.toScreenLocation(marker.getPosition());
mView.setX(pointF.x - mView.getWidth() / 2);
mView.setY(pointF.y - mView.getHeight() + mMarkerHeightOffset);
}
}
}
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