io.selendroid.server.model.internal.execute_native.IsElementDisplayedInViewport.java Source code

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Here is the source code for io.selendroid.server.model.internal.execute_native.IsElementDisplayedInViewport.java

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/*
 * Copyright 2014 eBay Software Foundation and selendroid committers.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package io.selendroid.server.model.internal.execute_native;

import io.selendroid.server.ServerInstrumentation;
import io.selendroid.server.model.AndroidElement;
import io.selendroid.server.model.AndroidNativeElement;
import io.selendroid.server.model.KnownElements;
import io.selendroid.server.util.SelendroidLogger;

import org.json.JSONArray;
import org.json.JSONException;

import android.content.Context;
import android.view.Display;
import android.view.View;
import android.view.WindowManager;

/**
 * @deprecated Please use new implemented extension mechanism
 * @see <a href="https://github.com/selendroid/selendroid-extension">extension mechanism Docu</a>
 */
public class IsElementDisplayedInViewport implements NativeExecuteScript {
    private KnownElements knownElements;
    private ServerInstrumentation instrumentation;

    public IsElementDisplayedInViewport(KnownElements knownElements, ServerInstrumentation instrumentation) {
        this.knownElements = knownElements;
        this.instrumentation = instrumentation;
    }

    @Override
    public Object executeScript(JSONArray args) {
        SelendroidLogger.info("executing script isElementDisplayedInViewport");

        try {
            String elementId = args.getJSONObject(0).getString("ELEMENT");
            AndroidElement element = knownElements.get(elementId);
            if (element instanceof AndroidNativeElement) {
                return isDisplayedOnViewport(((AndroidNativeElement) element).getView());
            }
            return false;
        } catch (JSONException e) {
            SelendroidLogger.error("Cannot check if element is displayed in viewport", e);
            return false;
        }
    }

    @SuppressWarnings("deprecation")
    public boolean isDisplayedOnViewport(View view) {
        int coordinates[] = { -1, -1 };
        int width = 0, height = 0;

        view.getLocationOnScreen(coordinates);
        if (coordinates[0] + view.getWidth() < 0)
            return false;
        if (coordinates[1] + view.getHeight() < 0)
            return false;

        if (width == 0 || height == 0) {
            if (instrumentation.getContext() == null)
                return false;
            Display display = ((WindowManager) instrumentation.getContext()
                    .getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
            try {
                android.graphics.Point screenSize = new android.graphics.Point();
                display.getSize(screenSize);
                width = screenSize.x;
                height = screenSize.y;
            } catch (NoSuchMethodError e) {
                width = display.getWidth();
                height = display.getHeight();
            }
        }

        if (coordinates[0] > width)
            return false;
        if (coordinates[1] > height)
            return false;

        return true;
    }
}