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/*
* Copyright (C) 2008 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.layoutlib.bridge.android;
import com.android.SdkConstants;
import com.android.ide.common.rendering.api.AssetRepository;
import com.android.ide.common.rendering.api.ILayoutPullParser;
import com.android.ide.common.rendering.api.LayoutLog;
import com.android.ide.common.rendering.api.LayoutlibCallback;
import com.android.ide.common.rendering.api.RenderResources;
import com.android.ide.common.rendering.api.ResourceReference;
import com.android.ide.common.rendering.api.ResourceValue;
import com.android.ide.common.rendering.api.StyleResourceValue;
import com.android.layoutlib.bridge.Bridge;
import com.android.layoutlib.bridge.BridgeConstants;
import com.android.layoutlib.bridge.android.view.WindowManagerImpl;
import com.android.layoutlib.bridge.impl.ParserFactory;
import com.android.layoutlib.bridge.impl.Stack;
import com.android.resources.ResourceType;
import com.android.util.Pair;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import android.annotation.Nullable;
import android.annotation.NonNull;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IntentSender;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.res.AssetManager;
import android.content.res.BridgeAssetManager;
import android.content.res.BridgeResources;
import android.content.res.BridgeTypedArray;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.content.res.Resources.Theme;
import android.database.DatabaseErrorHandler;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.hardware.display.DisplayManager;
import android.net.Uri;
import android.os.Build.VERSION_CODES;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.IInterface;
import android.os.Looper;
import android.os.Parcel;
import android.os.PowerManager;
import android.os.RemoteException;
import android.os.UserHandle;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.BridgeInflater;
import android.view.Display;
import android.view.DisplayAdjustments;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.accessibility.AccessibilityManager;
import android.view.textservice.TextServicesManager;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.IdentityHashMap;
import java.util.List;
import java.util.Map;
import static com.android.layoutlib.bridge.android.RenderParamsFlags.FLAG_KEY_APPLICATION_PACKAGE;
/**
* Custom implementation of Context/Activity to handle non compiled resources.
*/
@SuppressWarnings("deprecation") // For use of Pair.
public final class BridgeContext extends Context {
/** The map adds cookies to each view so that IDE can link xml tags to views. */
private final HashMap<View, Object> mViewKeyMap = new HashMap<View, Object>();
/**
* In some cases, when inflating an xml, some objects are created. Then later, the objects are
* converted to views. This map stores the mapping from objects to cookies which can then be
* used to populate the mViewKeyMap.
*/
private final HashMap<Object, Object> mViewKeyHelpMap = new HashMap<Object, Object>();
private final BridgeAssetManager mAssets;
private Resources mSystemResources;
private final Object mProjectKey;
private final DisplayMetrics mMetrics;
private final RenderResources mRenderResources;
private final Configuration mConfig;
private final ApplicationInfo mApplicationInfo;
private final LayoutlibCallback mLayoutlibCallback;
private final WindowManager mWindowManager;
private final DisplayManager mDisplayManager;
private final HashMap<View, Integer> mScrollYPos = new HashMap<View, Integer>();
private Resources.Theme mTheme;
private final Map<Object, Map<String, String>> mDefaultPropMaps =
new IdentityHashMap<Object, Map<String,String>>();
// maps for dynamically generated id representing style objects (StyleResourceValue)
@Nullable
private Map<Integer, StyleResourceValue> mDynamicIdToStyleMap;
private Map<StyleResourceValue, Integer> mStyleToDynamicIdMap;
private int mDynamicIdGenerator = 0x02030000; // Base id for R.style in custom namespace
// cache for TypedArray generated from IStyleResourceValue object
private Map<int[], Map<Integer, BridgeTypedArray>> mTypedArrayCache;
private BridgeInflater mBridgeInflater;
private BridgeContentResolver mContentResolver;
private final Stack<BridgeXmlBlockParser> mParserStack = new Stack<BridgeXmlBlockParser>();
private SharedPreferences mSharedPreferences;
private ClassLoader mClassLoader;
private IBinder mBinder;
private PackageManager mPackageManager;
/**
* Some applications that target both pre API 17 and post API 17, set the newer attrs to
* reference the older ones. For example, android:paddingStart will resolve to
* android:paddingLeft. This way the apps need to only define paddingLeft at any other place.
* This a map from value to attribute name. Warning for missing references shouldn't be logged
* if value and attr name pair is the same as an entry in this map.
*/
private static Map<String, String> RTL_ATTRS = new HashMap<String, String>(10);
static {
RTL_ATTRS.put("?android:attr/paddingLeft", "paddingStart");
RTL_ATTRS.put("?android:attr/paddingRight", "paddingEnd");
RTL_ATTRS.put("?android:attr/layout_marginLeft", "layout_marginStart");
RTL_ATTRS.put("?android:attr/layout_marginRight", "layout_marginEnd");
RTL_ATTRS.put("?android:attr/layout_toLeft", "layout_toStartOf");
RTL_ATTRS.put("?android:attr/layout_toRight", "layout_toEndOf");
RTL_ATTRS.put("?android:attr/layout_alignParentLeft", "layout_alignParentStart");
RTL_ATTRS.put("?android:attr/layout_alignParentRight", "layout_alignParentEnd");
RTL_ATTRS.put("?android:attr/drawableLeft", "drawableStart");
RTL_ATTRS.put("?android:attr/drawableRight", "drawableEnd");
}
/**
* @param projectKey An Object identifying the project. This is used for the cache mechanism.
* @param metrics the {@link DisplayMetrics}.
* @param renderResources the configured resources (both framework and projects) for this
* render.
* @param config the Configuration object for this render.
* @param targetSdkVersion the targetSdkVersion of the application.
*/
public BridgeContext(Object projectKey, DisplayMetrics metrics,
RenderResources renderResources,
AssetRepository assets,
LayoutlibCallback layoutlibCallback,
Configuration config,
int targetSdkVersion,
boolean hasRtlSupport) {
mProjectKey = projectKey;
mMetrics = metrics;
mLayoutlibCallback = layoutlibCallback;
mRenderResources = renderResources;
mConfig = config;
mAssets = new BridgeAssetManager();
mAssets.setAssetRepository(assets);
mApplicationInfo = new ApplicationInfo();
mApplicationInfo.targetSdkVersion = targetSdkVersion;
if (hasRtlSupport) {
mApplicationInfo.flags = mApplicationInfo.flags | ApplicationInfo.FLAG_SUPPORTS_RTL;
}
mWindowManager = new WindowManagerImpl(mMetrics);
mDisplayManager = new DisplayManager(this);
}
/**
* Initializes the {@link Resources} singleton to be linked to this {@link Context}, its
* {@link DisplayMetrics}, {@link Configuration}, and {@link LayoutlibCallback}.
*
* @see #disposeResources()
*/
public void initResources() {
AssetManager assetManager = AssetManager.getSystem();
mSystemResources = BridgeResources.initSystem(
this,
assetManager,
mMetrics,
mConfig,
mLayoutlibCallback);
mTheme = mSystemResources.newTheme();
}
/**
* Disposes the {@link Resources} singleton.
*/
public void disposeResources() {
BridgeResources.disposeSystem();
}
public void setBridgeInflater(BridgeInflater inflater) {
mBridgeInflater = inflater;
}
public void addViewKey(View view, Object viewKey) {
mViewKeyMap.put(view, viewKey);
}
public Object getViewKey(View view) {
return mViewKeyMap.get(view);
}
public void addCookie(Object o, Object cookie) {
mViewKeyHelpMap.put(o, cookie);
}
public Object getCookie(Object o) {
return mViewKeyHelpMap.get(o);
}
public Object getProjectKey() {
return mProjectKey;
}
public DisplayMetrics getMetrics() {
return mMetrics;
}
public LayoutlibCallback getLayoutlibCallback() {
return mLayoutlibCallback;
}
public RenderResources getRenderResources() {
return mRenderResources;
}
public Map<String, String> getDefaultPropMap(Object key) {
return mDefaultPropMaps.get(key);
}
public Configuration getConfiguration() {
return mConfig;
}
/**
* Adds a parser to the stack.
* @param parser the parser to add.
*/
public void pushParser(BridgeXmlBlockParser parser) {
if (ParserFactory.LOG_PARSER) {
System.out.println("PUSH " + parser.getParser().toString());
}
mParserStack.push(parser);
}
/**
* Removes the parser at the top of the stack
*/
public void popParser() {
BridgeXmlBlockParser parser = mParserStack.pop();
if (ParserFactory.LOG_PARSER) {
System.out.println("POPD " + parser.getParser().toString());
}
}
/**
* Returns the current parser at the top the of the stack.
* @return a parser or null.
*/
public BridgeXmlBlockParser getCurrentParser() {
return mParserStack.peek();
}
/**
* Returns the previous parser.
* @return a parser or null if there isn't any previous parser
*/
public BridgeXmlBlockParser getPreviousParser() {
if (mParserStack.size() < 2) {
return null;
}
return mParserStack.get(mParserStack.size() - 2);
}
public boolean resolveThemeAttribute(int resid, TypedValue outValue, boolean resolveRefs) {
Pair<ResourceType, String> resourceInfo = Bridge.resolveResourceId(resid);
boolean isFrameworkRes = true;
if (resourceInfo == null) {
resourceInfo = mLayoutlibCallback.resolveResourceId(resid);
isFrameworkRes = false;
}
if (resourceInfo == null) {
return false;
}
ResourceValue value = mRenderResources.findItemInTheme(resourceInfo.getSecond(),
isFrameworkRes);
if (resolveRefs) {
value = mRenderResources.resolveResValue(value);
}
if (value == null) {
// unable to find the attribute.
return false;
}
// check if this is a style resource
if (value instanceof StyleResourceValue) {
// get the id that will represent this style.
outValue.resourceId = getDynamicIdByStyle((StyleResourceValue) value);
return true;
}
int a;
// if this is a framework value.
if (value.isFramework()) {
// look for idName in the android R classes.
// use 0 a default res value as it's not a valid id value.
a = getFrameworkResourceValue(value.getResourceType(), value.getName(), 0 /*defValue*/);
} else {
// look for idName in the project R class.
// use 0 a default res value as it's not a valid id value.
a = getProjectResourceValue(value.getResourceType(), value.getName(), 0 /*defValue*/);
}
if (a != 0) {
outValue.resourceId = a;
return true;
}
return false;
}
public ResourceReference resolveId(int id) {
// first get the String related to this id in the framework
Pair<ResourceType, String> resourceInfo = Bridge.resolveResourceId(id);
if (resourceInfo != null) {
return new ResourceReference(resourceInfo.getSecond(), true);
}
// didn't find a match in the framework? look in the project.
if (mLayoutlibCallback != null) {
resourceInfo = mLayoutlibCallback.resolveResourceId(id);
if (resourceInfo != null) {
return new ResourceReference(resourceInfo.getSecond(), false);
}
}
// The base value for R.style is 0x01030000 and the custom style is 0x02030000.
// So, if the second byte is 03, it's probably a style.
if ((id >> 16 & 0xFF) == 0x03) {
return getStyleByDynamicId(id);
}
return null;
}
public Pair<View, Boolean> inflateView(ResourceReference resource, ViewGroup parent,
boolean attachToRoot, boolean skipCallbackParser) {
boolean isPlatformLayout = resource.isFramework();
if (!isPlatformLayout && !skipCallbackParser) {
// check if the project callback can provide us with a custom parser.
ILayoutPullParser parser = getParser(resource);
if (parser != null) {
BridgeXmlBlockParser blockParser = new BridgeXmlBlockParser(parser,
this, resource.isFramework());
try {
pushParser(blockParser);
return Pair.of(
mBridgeInflater.inflate(blockParser, parent, attachToRoot),
true);
} finally {
popParser();
}
}
}
ResourceValue resValue;
if (resource instanceof ResourceValue) {
resValue = (ResourceValue) resource;
} else {
if (isPlatformLayout) {
resValue = mRenderResources.getFrameworkResource(ResourceType.LAYOUT,
resource.getName());
} else {
resValue = mRenderResources.getProjectResource(ResourceType.LAYOUT,
resource.getName());
}
}
if (resValue != null) {
File xml = new File(resValue.getValue());
if (xml.isFile()) {
// we need to create a pull parser around the layout XML file, and then
// give that to our XmlBlockParser
try {
XmlPullParser parser = ParserFactory.create(xml);
// set the resource ref to have correct view cookies
mBridgeInflater.setResourceReference(resource);
BridgeXmlBlockParser blockParser = new BridgeXmlBlockParser(parser,
this, resource.isFramework());
try {
pushParser(blockParser);
return Pair.of(
mBridgeInflater.inflate(blockParser, parent, attachToRoot),
false);
} finally {
popParser();
}
} catch (XmlPullParserException e) {
Bridge.getLog().error(LayoutLog.TAG_BROKEN,
"Failed to configure parser for " + xml, e, null /*data*/);
// we'll return null below.
} catch (FileNotFoundException e) {
// this shouldn't happen since we check above.
} finally {
mBridgeInflater.setResourceReference(null);
}
} else {
Bridge.getLog().error(LayoutLog.TAG_BROKEN,
String.format("File %s is missing!", xml), null);
}
} else {
Bridge.getLog().error(LayoutLog.TAG_BROKEN,
String.format("Layout %s%s does not exist.", isPlatformLayout ? "android:" : "",
resource.getName()), null);
}
return Pair.of(null, false);
}
@SuppressWarnings("deprecation")
private ILayoutPullParser getParser(ResourceReference resource) {
ILayoutPullParser parser;
if (resource instanceof ResourceValue) {
parser = mLayoutlibCallback.getParser((ResourceValue) resource);
} else {
parser = mLayoutlibCallback.getParser(resource.getName());
}
return parser;
}
// ------------ Context methods
@Override
public Resources getResources() {
return mSystemResources;
}
@Override
public Theme getTheme() {
return mTheme;
}
@Override
public ClassLoader getClassLoader() {
// The documentation for this method states that it should return a class loader one can
// use to retrieve classes in this package. However, when called by LayoutInflater, we do
// not want the class loader to return app's custom views.
// This is so that the IDE can instantiate the custom views and also generate proper error
// messages in case of failure. This also enables the IDE to fallback to MockView in case
// there's an exception thrown when trying to inflate the custom view.
// To work around this issue, LayoutInflater is modified via LayoutLib Create tool to
// replace invocations of this method to a new method: getFrameworkClassLoader(). Also,
// the method is injected into Context. The implementation of getFrameworkClassLoader() is:
// "return getClass().getClassLoader();". This means that when LayoutInflater asks for
// the context ClassLoader, it gets only LayoutLib's ClassLoader which doesn't have
// access to the apps's custom views.
// This method can now return the right ClassLoader, which CustomViews can use to do the
// right thing.
if (mClassLoader == null) {
mClassLoader = new ClassLoader(getClass().getClassLoader()) {
@Override
protected Class<?> findClass(String name) throws ClassNotFoundException {
for (String prefix : BridgeInflater.getClassPrefixList()) {
if (name.startsWith(prefix)) {
// These are framework classes and should not be loaded from the app.
throw new ClassNotFoundException(name + " not found");
}
}
return BridgeContext.this.mLayoutlibCallback.findClass(name);
}
};
}
return mClassLoader;
}
@Override
public Object getSystemService(String service) {
if (LAYOUT_INFLATER_SERVICE.equals(service)) {
return mBridgeInflater;
}
if (TEXT_SERVICES_MANAGER_SERVICE.equals(service)) {
// we need to return a valid service to avoid NPE
return TextServicesManager.getInstance();
}
if (WINDOW_SERVICE.equals(service)) {
return mWindowManager;
}
// needed by SearchView
if (INPUT_METHOD_SERVICE.equals(service)) {
return null;
}
if (POWER_SERVICE.equals(service)) {
return new PowerManager(this, new BridgePowerManager(), new Handler());
}
if (DISPLAY_SERVICE.equals(service)) {
return mDisplayManager;
}
if (ACCESSIBILITY_SERVICE.equals(service)) {
return AccessibilityManager.getInstance(this);
}
throw new UnsupportedOperationException("Unsupported Service: " + service);
}
@Override
public String getSystemServiceName(Class<?> serviceClass) {
if (serviceClass.equals(LayoutInflater.class)) {
return LAYOUT_INFLATER_SERVICE;
}
if (serviceClass.equals(TextServicesManager.class)) {
return TEXT_SERVICES_MANAGER_SERVICE;
}
if (serviceClass.equals(WindowManager.class)) {
return WINDOW_SERVICE;
}
if (serviceClass.equals(PowerManager.class)) {
return POWER_SERVICE;
}
if (serviceClass.equals(DisplayManager.class)) {
return DISPLAY_SERVICE;
}
if (serviceClass.equals(AccessibilityManager.class)) {
return ACCESSIBILITY_SERVICE;
}
throw new UnsupportedOperationException("Unsupported Service: " + serviceClass);
}
@Override
public final BridgeTypedArray obtainStyledAttributes(int[] attrs) {
// No style is specified here, so create the typed array based on the default theme
// and the styles already applied to it. A null value of style indicates that the default
// theme should be used.
return createStyleBasedTypedArray(null, attrs);
}
@Override
public final BridgeTypedArray obtainStyledAttributes(int resid, int[] attrs)
throws Resources.NotFoundException {
StyleResourceValue style = null;
// get the StyleResourceValue based on the resId;
if (resid != 0) {
style = getStyleByDynamicId(resid);
if (style == null) {
// In some cases, style may not be a dynamic id, so we do a full search.
ResourceReference ref = resolveId(resid);
if (ref != null) {
style = mRenderResources.getStyle(ref.getName(), ref.isFramework());
}
}
if (style == null) {
throw new Resources.NotFoundException();
}
}
if (mTypedArrayCache == null) {
mTypedArrayCache = new HashMap<int[], Map<Integer,BridgeTypedArray>>();
Map<Integer, BridgeTypedArray> map = new HashMap<Integer, BridgeTypedArray>();
mTypedArrayCache.put(attrs, map);
BridgeTypedArray ta = createStyleBasedTypedArray(style, attrs);
map.put(resid, ta);
return ta;
}
// get the 2nd map
Map<Integer, BridgeTypedArray> map = mTypedArrayCache.get(attrs);
if (map == null) {
map = new HashMap<Integer, BridgeTypedArray>();
mTypedArrayCache.put(attrs, map);
}
// get the array from the 2nd map
BridgeTypedArray ta = map.get(resid);
if (ta == null) {
ta = createStyleBasedTypedArray(style, attrs);
map.put(resid, ta);
}
return ta;
}
@Override
public final BridgeTypedArray obtainStyledAttributes(AttributeSet set, int[] attrs) {
return obtainStyledAttributes(set, attrs, 0, 0);
}
@Override
public BridgeTypedArray obtainStyledAttributes(AttributeSet set, int[] attrs,
int defStyleAttr, int defStyleRes) {
Map<String, String> defaultPropMap = null;
boolean isPlatformFile = true;
// Hint: for XmlPullParser, attach source //DEVICE_SRC/dalvik/libcore/xml/src/java
if (set instanceof BridgeXmlBlockParser) {
BridgeXmlBlockParser parser;
parser = (BridgeXmlBlockParser)set;
isPlatformFile = parser.isPlatformFile();
Object key = parser.getViewCookie();
if (key != null) {
defaultPropMap = mDefaultPropMaps.get(key);
if (defaultPropMap == null) {
defaultPropMap = new HashMap<String, String>();
mDefaultPropMaps.put(key, defaultPropMap);
}
}
} else if (set instanceof BridgeLayoutParamsMapAttributes) {
// this is only for temp layout params generated dynamically, so this is never
// platform content.
isPlatformFile = false;
} else if (set != null) { // null parser is ok
// really this should not be happening since its instantiated in Bridge
Bridge.getLog().error(LayoutLog.TAG_BROKEN,
"Parser is not a BridgeXmlBlockParser!", null);
return null;
}
List<Pair<String, Boolean>> attributeList = searchAttrs(attrs);
BridgeTypedArray ta = ((BridgeResources) mSystemResources).newTypeArray(attrs.length,
isPlatformFile);
// look for a custom style.
String customStyle = null;
if (set != null) {
customStyle = set.getAttributeValue(null, "style");
}
StyleResourceValue customStyleValues = null;
if (customStyle != null) {
ResourceValue item = mRenderResources.findResValue(customStyle,
isPlatformFile /*forceFrameworkOnly*/);
// resolve it in case it links to something else
item = mRenderResources.resolveResValue(item);
if (item instanceof StyleResourceValue) {
customStyleValues = (StyleResourceValue)item;
}
}
// resolve the defStyleAttr value into a IStyleResourceValue
StyleResourceValue defStyleValues = null;
if (defStyleAttr != 0) {
// get the name from the int.
Pair<String, Boolean> defStyleAttribute = searchAttr(defStyleAttr);
if (defStyleAttribute == null) {
// This should be rare. Happens trying to map R.style.foo to @style/foo fails.
// This will happen if the user explicitly used a non existing int value for
// defStyleAttr or there's something wrong with the project structure/build.
Bridge.getLog().error(LayoutLog.TAG_RESOURCES_RESOLVE,
"Failed to find the style corresponding to the id " + defStyleAttr, null);
} else {
if (defaultPropMap != null) {
String defStyleName = defStyleAttribute.getFirst();
if (defStyleAttribute.getSecond()) {
defStyleName = "android:" + defStyleName;
}
defaultPropMap.put("style", defStyleName);
}
// look for the style in the current theme, and its parent:
ResourceValue item = mRenderResources.findItemInTheme(defStyleAttribute.getFirst(),
defStyleAttribute.getSecond());
if (item != null) {
// item is a reference to a style entry. Search for it.
item = mRenderResources.findResValue(item.getValue(), item.isFramework());
item = mRenderResources.resolveResValue(item);
if (item instanceof StyleResourceValue) {
defStyleValues = (StyleResourceValue) item;
}
} else {
Bridge.getLog().error(LayoutLog.TAG_RESOURCES_RESOLVE_THEME_ATTR,
String.format(
"Failed to find style '%s' in current theme",
defStyleAttribute.getFirst()),
null);
}
}
} else if (defStyleRes != 0) {
StyleResourceValue item = getStyleByDynamicId(defStyleRes);
if (item != null) {
defStyleValues = item;
} else {
boolean isFrameworkRes = true;
Pair<ResourceType, String> value = Bridge.resolveResourceId(defStyleRes);
if (value == null) {
value = mLayoutlibCallback.resolveResourceId(defStyleRes);
isFrameworkRes = false;
}
if (value != null) {
if ((value.getFirst() == ResourceType.STYLE)) {
// look for the style in all resources:
item = mRenderResources.getStyle(value.getSecond(), isFrameworkRes);
if (item != null) {
if (defaultPropMap != null) {
defaultPropMap.put("style", item.getName());
}
defStyleValues = item;
} else {
Bridge.getLog().error(null,
String.format(
"Style with id 0x%x (resolved to '%s') does not exist.",
defStyleRes, value.getSecond()),
null);
}
} else {
Bridge.getLog().error(null,
String.format(
"Resource id 0x%x is not of type STYLE (instead %s)",
defStyleRes, value.getFirst().toString()),
null);
}
} else {
Bridge.getLog().error(null,
String.format(
"Failed to find style with id 0x%x in current theme",
defStyleRes),
null);
}
}
}
String appNamespace = mLayoutlibCallback.getNamespace();
if (attributeList != null) {
for (int index = 0 ; index < attributeList.size() ; index++) {
Pair<String, Boolean> attribute = attributeList.get(index);
if (attribute == null) {
continue;
}
String attrName = attribute.getFirst();
boolean frameworkAttr = attribute.getSecond();
String value = null;
if (set != null) {
value = set.getAttributeValue(
frameworkAttr ? BridgeConstants.NS_RESOURCES : appNamespace,
attrName);
// if this is an app attribute, and the first get fails, try with the
// new res-auto namespace as well
if (!frameworkAttr && value == null) {
value = set.getAttributeValue(BridgeConstants.NS_APP_RES_AUTO, attrName);
}
}
// if there's no direct value for this attribute in the XML, we look for default
// values in the widget defStyle, and then in the theme.
if (value == null) {
ResourceValue resValue = null;
// look for the value in the custom style first (and its parent if needed)
if (customStyleValues != null) {
resValue = mRenderResources.findItemInStyle(customStyleValues,
attrName, frameworkAttr);
}
// then look for the value in the default Style (and its parent if needed)
if (resValue == null && defStyleValues != null) {
resValue = mRenderResources.findItemInStyle(defStyleValues,
attrName, frameworkAttr);
}
// if the item is not present in the defStyle, we look in the main theme (and
// its parent themes)
if (resValue == null) {
resValue = mRenderResources.findItemInTheme(attrName, frameworkAttr);
}
// if we found a value, we make sure this doesn't reference another value.
// So we resolve it.
if (resValue != null) {
// put the first default value, before the resolution.
if (defaultPropMap != null) {
defaultPropMap.put(attrName, resValue.getValue());
}
resValue = mRenderResources.resolveResValue(resValue);
// If the value is a reference to another theme attribute that doesn't
// exist, we should log a warning and omit it.
String val = resValue.getValue();
if (val != null && val.startsWith(SdkConstants.PREFIX_THEME_REF)) {
if (!attrName.equals(RTL_ATTRS.get(val)) ||
getApplicationInfo().targetSdkVersion <
VERSION_CODES.JELLY_BEAN_MR1) {
// Only log a warning if the referenced value isn't one of the RTL
// attributes, or the app targets old API.
Bridge.getLog().warning(LayoutLog.TAG_RESOURCES_RESOLVE_THEME_ATTR,
String.format("Failed to find '%s' in current theme.", val),
val);
}
resValue = null;
}
}
ta.bridgeSetValue(index, attrName, frameworkAttr, resValue);
} else {
// there is a value in the XML, but we need to resolve it in case it's
// referencing another resource or a theme value.
ta.bridgeSetValue(index, attrName, frameworkAttr,
mRenderResources.resolveValue(null, attrName, value, isPlatformFile));
}
}
}
ta.sealArray();
return ta;
}
@Override
public Looper getMainLooper() {
return Looper.myLooper();
}
@Override
public String getPackageName() {
if (mApplicationInfo.packageName == null) {
mApplicationInfo.packageName = mLayoutlibCallback.getFlag(FLAG_KEY_APPLICATION_PACKAGE);
}
return mApplicationInfo.packageName;
}
@Override
public PackageManager getPackageManager() {
if (mPackageManager == null) {
mPackageManager = new BridgePackageManager();
}
return mPackageManager;
}
// ------------- private new methods
/**
* Creates a {@link BridgeTypedArray} by filling the values defined by the int[] with the
* values found in the given style. If no style is specified, the default theme, along with the
* styles applied to it are used.
*
* @see #obtainStyledAttributes(int, int[])
*/
private BridgeTypedArray createStyleBasedTypedArray(@Nullable StyleResourceValue style,
int[] attrs) throws Resources.NotFoundException {
List<Pair<String, Boolean>> attributes = searchAttrs(attrs);
BridgeTypedArray ta = ((BridgeResources) mSystemResources).newTypeArray(attrs.length,
false);
// for each attribute, get its name so that we can search it in the style
for (int i = 0 ; i < attrs.length ; i++) {
Pair<String, Boolean> attribute = attributes.get(i);
if (attribute != null) {
// look for the value in the given style
ResourceValue resValue;
if (style != null) {
resValue = mRenderResources.findItemInStyle(style, attribute.getFirst(),
attribute.getSecond());
} else {
resValue = mRenderResources.findItemInTheme(attribute.getFirst(),
attribute.getSecond());
}
if (resValue != null) {
// resolve it to make sure there are no references left.
ta.bridgeSetValue(i, attribute.getFirst(), attribute.getSecond(),
mRenderResources.resolveResValue(resValue));
}
}
}
ta.sealArray();
return ta;
}
/**
* The input int[] attrs is a list of attributes. The returns a list of information about
* each attributes. The information is (name, isFramework)
* <p/>
*
* @param attrs An attribute array reference given to obtainStyledAttributes.
* @return List of attribute information.
*/
private List<Pair<String, Boolean>> searchAttrs(int[] attrs) {
List<Pair<String, Boolean>> results = new ArrayList<Pair<String, Boolean>>(attrs.length);
// for each attribute, get its name so that we can search it in the style
for (int attr : attrs) {
Pair<ResourceType, String> resolvedResource = Bridge.resolveResourceId(attr);
boolean isFramework = false;
if (resolvedResource != null) {
isFramework = true;
} else {
resolvedResource = mLayoutlibCallback.resolveResourceId(attr);
}
if (resolvedResource != null) {
results.add(Pair.of(resolvedResource.getSecond(), isFramework));
} else {
results.add(null);
}
}
return results;
}
/**
* Searches for the attribute referenced by its internal id.
*
* @param attr An attribute reference given to obtainStyledAttributes such as defStyle.
* @return A (name, isFramework) pair describing the attribute if found. Returns null
* if nothing is found.
*/
public Pair<String, Boolean> searchAttr(int attr) {
Pair<ResourceType, String> info = Bridge.resolveResourceId(attr);
if (info != null) {
return Pair.of(info.getSecond(), Boolean.TRUE);
}
info = mLayoutlibCallback.resolveResourceId(attr);
if (info != null) {
return Pair.of(info.getSecond(), Boolean.FALSE);
}
return null;
}
public int getDynamicIdByStyle(StyleResourceValue resValue) {
if (mDynamicIdToStyleMap == null) {
// create the maps.
mDynamicIdToStyleMap = new HashMap<Integer, StyleResourceValue>();
mStyleToDynamicIdMap = new HashMap<StyleResourceValue, Integer>();
}
// look for an existing id
Integer id = mStyleToDynamicIdMap.get(resValue);
if (id == null) {
// generate a new id
id = ++mDynamicIdGenerator;
// and add it to the maps.
mDynamicIdToStyleMap.put(id, resValue);
mStyleToDynamicIdMap.put(resValue, id);
}
return id;
}
private StyleResourceValue getStyleByDynamicId(int i) {
if (mDynamicIdToStyleMap != null) {
return mDynamicIdToStyleMap.get(i);
}
return null;
}
public int getFrameworkResourceValue(ResourceType resType, String resName, int defValue) {
if (getRenderResources().getFrameworkResource(resType, resName) != null) {
// Bridge.getResourceId creates a new resource id if an existing one isn't found. So,
// we check for the existence of the resource before calling it.
return Bridge.getResourceId(resType, resName);
}
return defValue;
}
public int getProjectResourceValue(ResourceType resType, String resName, int defValue) {
// getResourceId creates a new resource id if an existing resource id isn't found. So, we
// check for the existence of the resource before calling it.
if (getRenderResources().getProjectResource(resType, resName) != null) {
if (mLayoutlibCallback != null) {
Integer value = mLayoutlibCallback.getResourceId(resType, resName);
if (value != null) {
return value;
}
}
}
return defValue;
}
public static Context getBaseContext(Context context) {
while (context instanceof ContextWrapper) {
context = ((ContextWrapper) context).getBaseContext();
}
return context;
}
public IBinder getBinder() {
if (mBinder == null) {
// create a dummy binder. We only need it be not null.
mBinder = new IBinder() {
@Override
public String getInterfaceDescriptor() throws RemoteException {
return null;
}
@Override
public boolean pingBinder() {
return false;
}
@Override
public boolean isBinderAlive() {
return false;
}
@Override
public IInterface queryLocalInterface(String descriptor) {
return null;
}
@Override
public void dump(FileDescriptor fd, String[] args) throws RemoteException {
}
@Override
public void dumpAsync(FileDescriptor fd, String[] args) throws RemoteException {
}
@Override
public boolean transact(int code, Parcel data, Parcel reply, int flags)
throws RemoteException {
return false;
}
@Override
public void linkToDeath(DeathRecipient recipient, int flags)
throws RemoteException {
}
@Override
public boolean unlinkToDeath(DeathRecipient recipient, int flags) {
return false;
}
};
}
return mBinder;
}
//------------ NOT OVERRIDEN --------------------
@Override
public boolean bindService(Intent arg0, ServiceConnection arg1, int arg2) {
// pass
return false;
}
@Override
public int checkCallingOrSelfPermission(String arg0) {
// pass
return 0;
}
@Override
public int checkCallingOrSelfUriPermission(Uri arg0, int arg1) {
// pass
return 0;
}
@Override
public int checkCallingPermission(String arg0) {
// pass
return 0;
}
@Override
public int checkCallingUriPermission(Uri arg0, int arg1) {
// pass
return 0;
}
@Override
public int checkPermission(String arg0, int arg1, int arg2) {
// pass
return 0;
}
@Override
public int checkSelfPermission(String arg0) {
// pass
return 0;
}
@Override
public int checkPermission(String arg0, int arg1, int arg2, IBinder arg3) {
// pass
return 0;
}
@Override
public int checkUriPermission(Uri arg0, int arg1, int arg2, int arg3) {
// pass
return 0;
}
@Override
public int checkUriPermission(Uri arg0, int arg1, int arg2, int arg3, IBinder arg4) {
// pass
return 0;
}
@Override
public int checkUriPermission(Uri arg0, String arg1, String arg2, int arg3,
int arg4, int arg5) {
// pass
return 0;
}
@Override
public void clearWallpaper() {
// pass
}
@Override
public Context createPackageContext(String arg0, int arg1) {
// pass
return null;
}
@Override
public Context createPackageContextAsUser(String arg0, int arg1, UserHandle user) {
// pass
return null;
}
@Override
public Context createConfigurationContext(Configuration overrideConfiguration) {
// pass
return null;
}
@Override
public Context createDisplayContext(Display display) {
// pass
return null;
}
@Override
public String[] databaseList() {
// pass
return null;
}
@Override
public Context createApplicationContext(ApplicationInfo application, int flags)
throws PackageManager.NameNotFoundException {
return null;
}
@Override
public boolean deleteDatabase(String arg0) {
// pass
return false;
}
@Override
public boolean deleteFile(String arg0) {
// pass
return false;
}
@Override
public void enforceCallingOrSelfPermission(String arg0, String arg1) {
// pass
}
@Override
public void enforceCallingOrSelfUriPermission(Uri arg0, int arg1,
String arg2) {
// pass
}
@Override
public void enforceCallingPermission(String arg0, String arg1) {
// pass
}
@Override
public void enforceCallingUriPermission(Uri arg0, int arg1, String arg2) {
// pass
}
@Override
public void enforcePermission(String arg0, int arg1, int arg2, String arg3) {
// pass
}
@Override
public void enforceUriPermission(Uri arg0, int arg1, int arg2, int arg3,
String arg4) {
// pass
}
@Override
public void enforceUriPermission(Uri arg0, String arg1, String arg2,
int arg3, int arg4, int arg5, String arg6) {
// pass
}
@Override
public String[] fileList() {
// pass
return null;
}
@Override
public BridgeAssetManager getAssets() {
return mAssets;
}
@Override
public File getCacheDir() {
// pass
return null;
}
@Override
public File getCodeCacheDir() {
// pass
return null;
}
@Override
public File getExternalCacheDir() {
// pass
return null;
}
@Override
public ContentResolver getContentResolver() {
if (mContentResolver == null) {
mContentResolver = new BridgeContentResolver(this);
}
return mContentResolver;
}
@Override
public File getDatabasePath(String arg0) {
// pass
return null;
}
@Override
public File getDir(String arg0, int arg1) {
// pass
return null;
}
@Override
public File getFileStreamPath(String arg0) {
// pass
return null;
}
@Override
public File getFilesDir() {
// pass
return null;
}
@Override
public File getNoBackupFilesDir() {
// pass
return null;
}
@Override
public File getExternalFilesDir(String type) {
// pass
return null;
}
@Override
public String getPackageCodePath() {
// pass
return null;
}
@Override
public String getBasePackageName() {
// pass
return null;
}
@Override
public String getOpPackageName() {
// pass
return null;
}
@Override
public ApplicationInfo getApplicationInfo() {
return mApplicationInfo;
}
@Override
public String getPackageResourcePath() {
// pass
return null;
}
@Override
public File getSharedPrefsFile(String name) {
// pass
return null;
}
@Override
public SharedPreferences getSharedPreferences(String arg0, int arg1) {
if (mSharedPreferences == null) {
mSharedPreferences = new BridgeSharedPreferences();
}
return mSharedPreferences;
}
@Override
public Drawable getWallpaper() {
// pass
return null;
}
@Override
public int getWallpaperDesiredMinimumWidth() {
return -1;
}
@Override
public int getWallpaperDesiredMinimumHeight() {
return -1;
}
@Override
public void grantUriPermission(String arg0, Uri arg1, int arg2) {
// pass
}
@Override
public FileInputStream openFileInput(String arg0) throws FileNotFoundException {
// pass
return null;
}
@Override
public FileOutputStream openFileOutput(String arg0, int arg1) throws FileNotFoundException {
// pass
return null;
}
@Override
public SQLiteDatabase openOrCreateDatabase(String arg0, int arg1, CursorFactory arg2) {
// pass
return null;
}
@Override
public SQLiteDatabase openOrCreateDatabase(String arg0, int arg1,
CursorFactory arg2, DatabaseErrorHandler arg3) {
// pass
return null;
}
@Override
public Drawable peekWallpaper() {
// pass
return null;
}
@Override
public Intent registerReceiver(BroadcastReceiver arg0, IntentFilter arg1) {
// pass
return null;
}
@Override
public Intent registerReceiver(BroadcastReceiver arg0, IntentFilter arg1,
String arg2, Handler arg3) {
// pass
return null;
}
@Override
public Intent registerReceiverAsUser(BroadcastReceiver arg0, UserHandle arg0p5,
IntentFilter arg1, String arg2, Handler arg3) {
// pass
return null;
}
@Override
public void removeStickyBroadcast(Intent arg0) {
// pass
}
@Override
public void revokeUriPermission(Uri arg0, int arg1) {
// pass
}
@Override
public void sendBroadcast(Intent arg0) {
// pass
}
@Override
public void sendBroadcast(Intent arg0, String arg1) {
// pass
}
@Override
public void sendBroadcast(Intent arg0, String arg1, Bundle arg2) {
// pass
}
@Override
public void sendBroadcast(Intent intent, String receiverPermission, int appOp) {
// pass
}
@Override
public void sendOrderedBroadcast(Intent arg0, String arg1) {
// pass
}
@Override
public void sendOrderedBroadcast(Intent arg0, String arg1,
BroadcastReceiver arg2, Handler arg3, int arg4, String arg5,
Bundle arg6) {
// pass
}
@Override
public void sendOrderedBroadcast(Intent arg0, String arg1,
Bundle arg7, BroadcastReceiver arg2, Handler arg3, int arg4, String arg5,
Bundle arg6) {
// pass
}
@Override
public void sendOrderedBroadcast(Intent intent, String receiverPermission, int appOp,
BroadcastReceiver resultReceiver, Handler scheduler, int initialCode,
String initialData, Bundle initialExtras) {
// pass
}
@Override
public void sendBroadcastAsUser(Intent intent, UserHandle user) {
// pass
}
@Override
public void sendBroadcastAsUser(Intent intent, UserHandle user,
String receiverPermission) {
// pass
}
public void sendBroadcastAsUser(Intent intent, UserHandle user,
String receiverPermission, int appOp) {
// pass
}
@Override
public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
String receiverPermission, BroadcastReceiver resultReceiver, Handler scheduler,
int initialCode, String initialData, Bundle initialExtras) {
// pass
}
@Override
public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
String receiverPermission, int appOp, BroadcastReceiver resultReceiver,
Handler scheduler,
int initialCode, String initialData, Bundle initialExtras) {
// pass
}
@Override
public void sendStickyBroadcast(Intent arg0) {
// pass
}
@Override
public void sendStickyOrderedBroadcast(Intent intent,
BroadcastReceiver resultReceiver, Handler scheduler, int initialCode, String initialData,
Bundle initialExtras) {
// pass
}
@Override
public void sendStickyBroadcastAsUser(Intent intent, UserHandle user) {
// pass
}
@Override
public void sendStickyOrderedBroadcastAsUser(Intent intent,
UserHandle user, BroadcastReceiver resultReceiver,
Handler scheduler, int initialCode, String initialData,
Bundle initialExtras) {
// pass
}
@Override
public void removeStickyBroadcastAsUser(Intent intent, UserHandle user) {
// pass
}
@Override
public void setTheme(int arg0) {
// pass
}
@Override
public void setWallpaper(Bitmap arg0) throws IOException {
// pass
}
@Override
public void setWallpaper(InputStream arg0) throws IOException {
// pass
}
@Override
public void startActivity(Intent arg0) {
// pass
}
@Override
public void startActivity(Intent arg0, Bundle arg1) {
// pass
}
@Override
public void startIntentSender(IntentSender intent,
Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags)
throws IntentSender.SendIntentException {
// pass
}
@Override
public void startIntentSender(IntentSender intent,
Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags,
Bundle options) throws IntentSender.SendIntentException {
// pass
}
@Override
public boolean startInstrumentation(ComponentName arg0, String arg1,
Bundle arg2) {
// pass
return false;
}
@Override
public ComponentName startService(Intent arg0) {
// pass
return null;
}
@Override
public boolean stopService(Intent arg0) {
// pass
return false;
}
@Override
public ComponentName startServiceAsUser(Intent arg0, UserHandle arg1) {
// pass
return null;
}
@Override
public boolean stopServiceAsUser(Intent arg0, UserHandle arg1) {
// pass
return false;
}
@Override
public void unbindService(ServiceConnection arg0) {
// pass
}
@Override
public void unregisterReceiver(BroadcastReceiver arg0) {
// pass
}
@Override
public Context getApplicationContext() {
return this;
}
@Override
public void startActivities(Intent[] arg0) {
// pass
}
@Override
public void startActivities(Intent[] arg0, Bundle arg1) {
// pass
}
@Override
public boolean isRestricted() {
return false;
}
@Override
public File getObbDir() {
Bridge.getLog().error(LayoutLog.TAG_UNSUPPORTED, "OBB not supported", null);
return null;
}
@Override
public DisplayAdjustments getDisplayAdjustments(int displayId) {
// pass
return null;
}
@Override
public int getUserId() {
return 0; // not used
}
@Override
public File[] getExternalFilesDirs(String type) {
// pass
return new File[0];
}
@Override
public File[] getObbDirs() {
// pass
return new File[0];
}
@Override
public File[] getExternalCacheDirs() {
// pass
return new File[0];
}
@Override
public File[] getExternalMediaDirs() {
// pass
return new File[0];
}
public void setScrollYPos(@NonNull View view, int scrollPos) {
mScrollYPos.put(view, scrollPos);
}
public int getScrollYPos(@NonNull View view) {
Integer pos = mScrollYPos.get(view);
return pos != null ? pos : 0;
}
}