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/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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 com.android.uiautomator;
import com.android.uiautomator.tree.BasicTreeNode;
import com.android.uiautomator.tree.BasicTreeNode.IFindNodeListener;
import com.android.uiautomator.tree.UiHierarchyXmlLoader;
import com.android.uiautomator.tree.UiNode;
import org.eclipse.swt.graphics.Rectangle;
import java.io.File;
import java.util.List;
public class UiAutomatorModel {
private BasicTreeNode mRootNode;
private BasicTreeNode mSelectedNode;
private Rectangle mCurrentDrawingRect;
private List<Rectangle> mNafNodes;
// determines whether we lookup the leaf UI node on mouse move of screenshot image
private boolean mExploreMode = true;
private boolean mShowNafNodes = false;
public UiAutomatorModel(File xmlDumpFile) {
UiHierarchyXmlLoader loader = new UiHierarchyXmlLoader();
BasicTreeNode rootNode = loader.parseXml(xmlDumpFile.getAbsolutePath());
if (rootNode == null) {
System.err.println("null rootnode after parsing.");
throw new IllegalArgumentException("Invalid ui automator hierarchy file.");
}
mNafNodes = loader.getNafNodes();
if (mRootNode != null) {
mRootNode.clearAllChildren();
}
mRootNode = rootNode;
mExploreMode = true;
}
public BasicTreeNode getXmlRootNode() {
return mRootNode;
}
public BasicTreeNode getSelectedNode() {
return mSelectedNode;
}
/**
* change node selection in the Model recalculate the rect to highlight,
* also notifies the View to refresh accordingly
*
* @param node
*/
public void setSelectedNode(BasicTreeNode node) {
mSelectedNode = node;
if (mSelectedNode instanceof UiNode) {
UiNode uiNode = (UiNode) mSelectedNode;
mCurrentDrawingRect = new Rectangle(uiNode.x, uiNode.y, uiNode.width, uiNode.height);
} else {
mCurrentDrawingRect = null;
}
}
public Rectangle getCurrentDrawingRect() {
return mCurrentDrawingRect;
}
/**
* Do a search in tree to find a leaf node or deepest parent node containing the coordinate
*
* @param x
* @param y
* @return
*/
public BasicTreeNode updateSelectionForCoordinates(int x, int y) {
BasicTreeNode node = null;
if (mRootNode != null) {
MinAreaFindNodeListener listener = new MinAreaFindNodeListener();
boolean found = mRootNode.findLeafMostNodesAtPoint(x, y, listener);
if (found && listener.mNode != null && !listener.mNode.equals(mSelectedNode)) {
node = listener.mNode;
}
}
return node;
}
public boolean isExploreMode() {
return mExploreMode;
}
public void toggleExploreMode() {
mExploreMode = !mExploreMode;
}
public void setExploreMode(boolean exploreMode) {
mExploreMode = exploreMode;
}
private static class MinAreaFindNodeListener implements IFindNodeListener {
BasicTreeNode mNode = null;
@Override
public void onFoundNode(BasicTreeNode node) {
if (mNode == null) {
mNode = node;
} else {
if ((node.height * node.width) < (mNode.height * mNode.width)) {
mNode = node;
}
}
}
}
public List<Rectangle> getNafNodes() {
return mNafNodes;
}
public void toggleShowNaf() {
mShowNafNodes = !mShowNafNodes;
}
public boolean shouldShowNafNodes() {
return mShowNafNodes;
}
}
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