package nl.xservices.plugins;
import android.graphics.Color;
import android.graphics.drawable.GradientDrawable;
import android.os.Build;
import android.os.CountDownTimer;
import android.text.Layout;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.AlignmentSpan;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import org.apache.cordova.CallbackContext;
import org.apache.cordova.CordovaPlugin;
import org.apache.cordova.PluginResult;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
public class Toast extends CordovaPlugin {
private static final String ACTION_SHOW_EVENT = "show";
private static final String ACTION_HIDE_EVENT = "hide";
private static final int GRAVITY_TOP = Gravity.TOP|Gravity.CENTER_HORIZONTAL;
private static final int GRAVITY_CENTER = Gravity.CENTER_VERTICAL|Gravity.CENTER_HORIZONTAL;
private static final int GRAVITY_BOTTOM = Gravity.BOTTOM|Gravity.CENTER_HORIZONTAL;
private static final int BASE_TOP_BOTTOM_OFFSET = 20;
private android.widget.Toast mostRecentToast;
private ViewGroup viewGroup;
private static final boolean IS_AT_LEAST_LOLLIPOP = Build.VERSION.SDK_INT >= 21;
// note that webView.isPaused() is not Xwalk compatible, so tracking it poor-man style
private boolean isPaused;
private static CountDownTimer _timer;
@Override
public boolean execute(String action, JSONArray args, final CallbackContext callbackContext) throws JSONException {
if (ACTION_HIDE_EVENT.equals(action)) {
hide();
callbackContext.success();
return true;
} else if (ACTION_SHOW_EVENT.equals(action)) {
if (this.isPaused) {
return true;
}
final JSONObject options = args.getJSONObject(0);
final String msg = options.getString("message");
final Spannable message = new SpannableString(msg);
message.setSpan(
new AlignmentSpan.Standard(Layout.Alignment.ALIGN_CENTER),
0,
msg.length() - 1,
Spannable.SPAN_INCLUSIVE_INCLUSIVE);
final String duration = options.getString("duration");
final String position = options.getString("position");
final int addPixelsY = options.has("addPixelsY") ? options.getInt("addPixelsY") : 0;
final JSONObject data = options.has("data") ? options.getJSONObject("data") : null;
final JSONObject styling = options.optJSONObject("styling");
cordova.getActivity().runOnUiThread(new Runnable() {
public void run() {
int hideAfterMs;
if ("short".equalsIgnoreCase(duration)) {
hideAfterMs = 2000;
} else if ("long".equalsIgnoreCase(duration)) {
hideAfterMs = 4000;
} else {
// assuming a number of ms
hideAfterMs = Integer.parseInt(duration);
}
final android.widget.Toast toast = android.widget.Toast.makeText(
IS_AT_LEAST_LOLLIPOP ? cordova.getActivity().getWindow().getContext() : cordova.getActivity().getApplicationContext(),
message,
android.widget.Toast.LENGTH_LONG // actually controlled by a timer further down
);
if ("top".equals(position)) {
toast.setGravity(GRAVITY_TOP, 0, BASE_TOP_BOTTOM_OFFSET + addPixelsY);
} else if ("bottom".equals(position)) {
toast.setGravity(GRAVITY_BOTTOM, 0, BASE_TOP_BOTTOM_OFFSET - addPixelsY);
} else if ("center".equals(position)) {
toast.setGravity(GRAVITY_CENTER, 0, addPixelsY);
} else {
callbackContext.error("invalid position. valid options are 'top', 'center' and 'bottom'");
return;
}
// if one of the custom layout options have been passed in, draw our own shape
if (styling != null && Build.VERSION.SDK_INT >= 16) {
// the defaults mimic the default toast as close as possible
final String backgroundColor = styling.optString("backgroundColor", "#333333");
final String textColor = styling.optString("textColor", "#ffffff");
final Double textSize = styling.optDouble("textSize", -1);
final double opacity = styling.optDouble("opacity", 0.8);
final int cornerRadius = styling.optInt("cornerRadius", 100);
final int horizontalPadding = styling.optInt("horizontalPadding", 50);
final int verticalPadding = styling.optInt("verticalPadding", 30);
GradientDrawable shape = new GradientDrawable();
shape.setCornerRadius(cornerRadius);
shape.setAlpha((int)(opacity * 255)); // 0-255, where 0 is an invisible background
shape.setColor(Color.parseColor(backgroundColor));
toast.getView().setBackground(shape);
final TextView toastTextView;
toastTextView = (TextView) toast.getView().findViewById(android.R.id.message);
toastTextView.setTextColor(Color.parseColor(textColor));
if (textSize > -1) {
toastTextView.setTextSize(textSize.floatValue());
}
toast.getView().setPadding(horizontalPadding, verticalPadding, horizontalPadding, verticalPadding);
// this gives the toast a very subtle shadow on newer devices
if (Build.VERSION.SDK_INT >= 21) {
toast.getView().setElevation(6);
}
}
// On Android >= 5 you can no longer rely on the 'toast.getView().setOnTouchListener',
// so created something funky that compares the Toast position to the tap coordinates.
if (IS_AT_LEAST_LOLLIPOP) {
getViewGroup().setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
if (motionEvent.getAction() != MotionEvent.ACTION_DOWN) {
return false;
}
if (mostRecentToast == null || !mostRecentToast.getView().isShown()) {
getViewGroup().setOnTouchListener(null);
return false;
}
float w = mostRecentToast.getView().getWidth();
float startX = (view.getWidth() / 2) - (w / 2);
float endX = (view.getWidth() / 2) + (w / 2);
float startY;
float endY;
float g = mostRecentToast.getGravity();
float y = mostRecentToast.getYOffset();
float h = mostRecentToast.getView().getHeight();
if (g == GRAVITY_BOTTOM) {
startY = view.getHeight() - y - h;
endY = view.getHeight() - y;
} else if (g == GRAVITY_CENTER) {
startY = (view.getHeight() / 2) + y - (h / 2);
endY = (view.getHeight() / 2) + y + (h / 2);
} else {
// top
startY = y;
endY = y + h;
}
float tapX = motionEvent.getX();
float tapY = motionEvent.getY();
final boolean tapped = tapX >= startX && tapX <= endX &&
tapY >= startY && tapY <= endY;
return tapped && returnTapEvent(msg, data, callbackContext);
}
});
} else {
toast.getView().setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
return motionEvent.getAction() == MotionEvent.ACTION_DOWN && returnTapEvent(msg, data, callbackContext);
}
});
}
// trigger show every 2500 ms for as long as the requested duration
_timer = new CountDownTimer(hideAfterMs, 2500) {
public void onTick(long millisUntilFinished) {toast.show();}
public void onFinish() {toast.cancel();}
}.start();
mostRecentToast = toast;
toast.show();
PluginResult pr = new PluginResult(PluginResult.Status.OK);
pr.setKeepCallback(true);
callbackContext.sendPluginResult(pr);
}
});
return true;
} else {
callbackContext.error("toast." + action + " is not a supported function. Did you mean '" + ACTION_SHOW_EVENT + "'?");
return false;
}
}
private void hide() {
if (mostRecentToast != null) {
mostRecentToast.cancel();
getViewGroup().setOnTouchListener(null);
}
if (_timer != null) {
_timer.cancel();
}
}
private boolean returnTapEvent(String message, JSONObject data, CallbackContext callbackContext) {
final JSONObject json = new JSONObject();
try {
json.put("event", "touch");
json.put("message", message);
json.put("data", data);
} catch (JSONException e) {
e.printStackTrace();
}
callbackContext.success(json);
hide();
return true;
}
// lazy init and caching
private ViewGroup getViewGroup() {
if (viewGroup == null) {
viewGroup = (ViewGroup) ((ViewGroup) cordova.getActivity().findViewById(android.R.id.content)).getChildAt(0);
}
return viewGroup;
}
@Override
public void onPause(boolean multitasking) {
hide();
this.isPaused = true;
}
@Override
public void onResume(boolean multitasking) {
this.isPaused = false;
}
}