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Diffstat (limited to 'src/io/appium/droiddriver/scroll/StaticSentinelStrategy.java')
-rw-r--r-- | src/io/appium/droiddriver/scroll/StaticSentinelStrategy.java | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/io/appium/droiddriver/scroll/StaticSentinelStrategy.java b/src/io/appium/droiddriver/scroll/StaticSentinelStrategy.java new file mode 100644 index 0000000..cc2444b --- /dev/null +++ b/src/io/appium/droiddriver/scroll/StaticSentinelStrategy.java @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2013 DroidDriver 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.appium.droiddriver.scroll; + +import android.graphics.Rect; + +import io.appium.droiddriver.DroidDriver; +import io.appium.droiddriver.UiElement; +import io.appium.droiddriver.finders.Finder; +import io.appium.droiddriver.instrumentation.InstrumentationDriver; +import io.appium.droiddriver.scroll.Direction.DirectionConverter; +import io.appium.droiddriver.scroll.Direction.PhysicalDirection; + +/** + * Determines whether scrolling is possible by checking whether the last child + * in the logical scroll direction is fully visible. This assumes the count of + * children is static, and {@link UiElement#getChildren} includes all children + * no matter if it is visible. Currently {@link InstrumentationDriver} behaves + * this way. + * <p> + * This does not work if a child is larger than the physical size of the + * container. + */ +public class StaticSentinelStrategy extends SentinelStrategy { + /** + * Defaults to FIRST_CHILD_GETTER for backward scrolling, LAST_CHILD_GETTER + * for forward scrolling, and the standard {@link DirectionConverter}. + */ + public static final StaticSentinelStrategy DEFAULT = new StaticSentinelStrategy( + FIRST_CHILD_GETTER, LAST_CHILD_GETTER, DirectionConverter.STANDARD_CONVERTER); + + public StaticSentinelStrategy(Getter backwardGetter, Getter forwardGetter, + DirectionConverter directionConverter) { + super(backwardGetter, forwardGetter, directionConverter); + } + + @Override + public boolean scroll(DroidDriver driver, Finder containerFinder, PhysicalDirection direction) { + UiElement sentinel = getSentinel(driver, containerFinder, direction); + UiElement container = sentinel.getParent(); + // If the last child in the logical scroll direction is fully visible, no + // more scrolling is possible + Rect visibleBounds = container.getVisibleBounds(); + if (visibleBounds.contains(sentinel.getBounds())) { + return false; + } + + doScroll(container, direction); + return true; + } +} |