/*
* 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;
import com.android.internal.util.XmlUtils;
import com.android.layoutlib.api.ILayoutBridge;
import com.android.layoutlib.api.ILayoutLog;
import com.android.layoutlib.api.ILayoutResult;
import com.android.layoutlib.api.IProjectCallback;
import com.android.layoutlib.api.IResourceValue;
import com.android.layoutlib.api.IStyleResourceValue;
import com.android.layoutlib.api.IXmlPullParser;
import com.android.layoutlib.api.ILayoutResult.ILayoutViewInfo;
import com.android.layoutlib.bridge.LayoutResult.LayoutViewInfo;
import com.android.ninepatch.NinePatch;
import com.android.tools.layoutlib.create.MethodAdapter;
import com.android.tools.layoutlib.create.OverrideMethod;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.graphics.Region;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.ParcelFileDescriptor;
import android.os.RemoteException;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.BridgeInflater;
import android.view.IWindow;
import android.view.IWindowSession;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.Surface;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.AttachInfo;
import android.view.View.MeasureSpec;
import android.view.WindowManager.LayoutParams;
import android.widget.FrameLayout;
import java.lang.ref.SoftReference;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
/**
* Main entry point of the LayoutLib Bridge.
* <p/>To use this bridge, simply instantiate an object of type {@link Bridge} and call
* {@link #computeLayout(IXmlPullParser, Object, int, int, String, boolean, Map, Map, IProjectCallback, ILayoutLog)}.
*/
public final class Bridge implements ILayoutBridge {
private static final int DEFAULT_TITLE_BAR_HEIGHT = 25;
private static final int DEFAULT_STATUS_BAR_HEIGHT = 25;
public static class StaticMethodNotImplementedException extends RuntimeException {
private static final long serialVersionUID = 1L;
public StaticMethodNotImplementedException(String msg) {
super(msg);
}
}
/**
* Maps from id to resource name/type.
*/
private final static Map<Integer, String[]> sRMap = new HashMap<Integer, String[]>();
/**
* Same as sRMap except for int[] instead of int resources.
*/
private final static Map<int[], String> sRArrayMap = new HashMap<int[], String>();
/**
* Reverse map compared to sRMap, resource type -> (resource name -> id)
*/
private final static Map<String, Map<String, Integer>> sRFullMap =
new HashMap<String, Map<String,Integer>>();
private final static Map<Object, Map<String, SoftReference<Bitmap>>> sProjectBitmapCache =
new HashMap<Object, Map<String, SoftReference<Bitmap>>>();
private final static Map<Object, Map<String, SoftReference<NinePatch>>> sProject9PatchCache =
new HashMap<Object, Map<String, SoftReference<NinePatch>>>();
private final static Map<String, SoftReference<Bitmap>> sFrameworkBitmapCache =
new HashMap<String, SoftReference<Bitmap>>();
private final static Map<String, SoftReference<NinePatch>> sFramework9PatchCache =
new HashMap<String, SoftReference<NinePatch>>();
private static Map<String, Map<String, Integer>> sEnumValueMap;
/**
* A default logger than prints to stdout/stderr.
*/
private final static ILayoutLog sDefaultLogger = new ILayoutLog() {
public void error(String message) {
System.err.println(message);
}
public void error(Throwable t) {
String message = t.getMessage();
if (message == null) {
message = t.getClass().getName();
}
System.err.println(message);
}
public void warning(String message) {
System.out.println(message);
}
};
/**
* Logger defined during a compute layout operation.
* <p/>
* This logger is generally set to {@link #sDefaultLogger} except during rendering
* operations when it might be set to a specific provided logger.
* <p/>
* To change this value, use a block synchronized on {@link #sDefaultLogger}.
*/
private static ILayoutLog sLogger = sDefaultLogger;
/*
* (non-Javadoc)
* @see com.android.layoutlib.api.ILayoutBridge#getApiLevel()
*/
public int getApiLevel() {
return API_CURRENT;
}
/*
* (non-Javadoc)
* @see com.android.layoutlib.api.ILayoutLibBridge#init(java.lang.String, java.util.Map)
*/
public boolean init(
String fontOsLocation, Map<String, Map<String, Integer>> enumValueMap) {
return sinit(fontOsLocation, enumValueMap);
}
private static synchronized boolean sinit(String fontOsLocation,
Map<String, Map<String, Integer>> enumValueMap) {
// When DEBUG_LAYOUT is set and is not 0 or false, setup a default listener
// on static (native) methods which prints the signature on the console and
// throws an exception.
// This is useful when testing the rendering in ADT to identify static native
// methods that are ignored -- layoutlib_create makes them returns 0/false/null
// which is generally OK yet might be a problem, so this is how you'd find out.
//
// Currently layoutlib_create only overrides static native method.
// Static non-natives are not overridden and thus do not get here.
final String debug = System.getenv("DEBUG_LAYOUT");
if (debug != null && !debug.equals("0") && !debug.equals("false")) {
OverrideMethod.setDefaultListener(new MethodAdapter() {
@Override
public void onInvokeV(String signature, boolean isNative, Object caller) {
if (sLogger != null) {
synchronized (sDefaultLogger) {
sLogger.error("Missing Stub: " + signature +
(isNative ? " (native)" : ""));
}
}
if (debug.equalsIgnoreCase("throw")) {
// Throwing this exception doesn't seem that useful. It breaks
// the layout editor yet doesn't display anything meaningful to the
// user. Having the error in the console is just as useful. We'll
// throw it only if the environment variable is "throw" or "THROW".
throw new StaticMethodNotImplementedException(signature);
}
}
});
}
// Override View.isInEditMode to return true.
//
// This allows custom views that are drawn in the Graphical Layout Editor to adapt their
// rendering for preview. Most important this let custom views know that they can't expect
// the rest of their activities to be alive.
OverrideMethod.setMethodListener("android.view.View#isInEditMode()Z",
new MethodAdapter() {
@Override
public int onInvokeI(String signature, boolean isNative, Object caller) {
return 1;
}
}
);
// load the fonts.
FontLoader fontLoader = FontLoader.create(fontOsLocation);
if (fontLoader != null) {
Typeface.init(fontLoader);
} else {
return false;
}
sEnumValueMap = enumValueMap;
// now parse com.android.internal.R (and only this one as android.R is a subset of
// the internal version), and put the content in the maps.
try {
// WARNING: this only works because the class is already loaded, and therefore
// the objects returned by Field.get() are the same as the ones used by
// the code accessing the R class.
// int[] does not implement equals/hashCode, and if the parsing used a different class
// loader for the R class, this would NOT work.
Class<?> r = com.android.internal.R.class;
for (Class<?> inner : r.getDeclaredClasses()) {
String resType = inner.getSimpleName();
Map<String, Integer> fullMap = new HashMap<String, Integer>();
sRFullMap.put(resType, fullMap);
for (Field f : inner.getDeclaredFields()) {
// only process static final fields. Since the final attribute may have
// been altered by layoutlib_create, we only check static
int modifiers = f.getModifiers();
if (Modifier.isStatic(modifiers)) {
Class<?> type = f.getType();
if (type.isArray() && type.getComponentType() == int.class) {
// if the object is an int[] we put it in sRArrayMap
sRArrayMap.put((int[]) f.get(null), f.getName());
} else if (type == int.class) {
Integer value = (Integer) f.get(null);
sRMap.put(value, new String[] { f.getName(), resType });
fullMap.put(f.getName(), value);
} else {
assert false;
}
}
}
}
} catch (IllegalArgumentException e) {
// FIXME: log/return the error (there's no logger object at this point!)
e.printStackTrace();
return false;
} catch (IllegalAccessException e) {
e.printStackTrace();
return false;
}
return true;
}
/*
* For compatilibty purposes, we implement the old deprecated version of computeLayout.
* (non-Javadoc)
* @see com.android.layoutlib.api.ILayoutBridge#computeLayout(com.android.layoutlib.api.IXmlPullParser, java.lang.Object, int, int, java.lang.String, java.util.Map, java.util.Map, com.android.layoutlib.api.IProjectCallback, com.android.layoutlib.api.ILayoutLog)
*/
@Deprecated
public ILayoutResult computeLayout(IXmlPullParser layoutDescription,
Object projectKey,
int screenWidth, int screenHeight, String themeName,
Map<String, Map<String, IResourceValue>> projectResources,
Map<String, Map<String, IResourceValue>> frameworkResources,
IProjectCallback customViewLoader, ILayoutLog logger) {
boolean isProjectTheme = false;
if (themeName.charAt(0) == '*') {
themeName = themeName.substring(1);
isProjectTheme = true;
}
return computeLayout(layoutDescription, projectKey,
screenWidth, screenHeight, DisplayMetrics.DEFAULT_DENSITY,
DisplayMetrics.DEFAULT_DENSITY, DisplayMetrics.DEFAULT_DENSITY,
themeName, isProjectTheme,
projectResources, frameworkResources, customViewLoader, logger);
}
/*
* For compatilibty purposes, we implement the old deprecated version of computeLayout.
* (non-Javadoc)
* @see com.android.layoutlib.api.ILayoutBridge#computeLayout(com.android.layoutlib.api.IXmlPullParser, java.lang.Object, int, int, java.lang.String, boolean, java.util.Map, java.util.Map, com.android.layoutlib.api.IProjectCallback, com.android.layoutlib.api.ILayoutLog)
*/
public ILayoutResult computeLayout(IXmlPullParser layoutDescription, Object projectKey,
int screenWidth, int screenHeight, String themeName, boolean isProjectTheme,
Map<String, Map<String, IResourceValue>> projectResources,
Map<String, Map<String, IResourceValue>> frameworkResources,
IProjectCallback customViewLoader, ILayoutLog logger) {
return computeLayout(layoutDescription, projectKey,
screenWidth, screenHeight, DisplayMetrics.DEFAULT_DENSITY,
DisplayMetrics.DEFAULT_DENSITY, DisplayMetrics.DEFAULT_DENSITY,
themeName, isProjectTheme,
projectResources, frameworkResources, customViewLoader, logger);
}
/*
* (non-Javadoc)
* @see com.android.layoutlib.api.ILayoutBridge#computeLayout(com.android.layoutlib.api.IXmlPullParser, java.lang.Object, int, int, int, float, float, java.lang.String, boolean, java.util.Map, java.util.Map, com.android.layoutlib.api.IProjectCallback, com.android.layoutlib.api.ILayoutLog)
*/
public ILayoutResult computeLayout(IXmlPullParser layoutDescription, Object projectKey,
int screenWidth, int screenHeight, int density, float xdpi, float ydpi,
String themeName, boolean isProjectTheme,
Map<String, Map<String, IResourceValue>> projectResources,
Map<String, Map<String, IResourceValue>> frameworkResources,
IProjectCallback customViewLoader, ILayoutLog logger) {
if (logger == null) {
logger = sDefaultLogger;
}
synchronized (sDefaultLogger) {
sLogger = logger;
}
// find the current theme and compute the style inheritance map
Map<IStyleResourceValue, IStyleResourceValue> styleParentMap =
new HashMap<IStyleResourceValue, IStyleResourceValue>();
IStyleResourceValue currentTheme = computeStyleMaps(themeName, isProjectTheme,
projectResources.get(BridgeConstants.RES_STYLE),
frameworkResources.get(BridgeConstants.RES_STYLE), styleParentMap);
BridgeContext context = null;
try {
// setup the display Metrics.
DisplayMetrics metrics = new DisplayMetrics();
metrics.density = density / (float) DisplayMetrics.DEFAULT_DENSITY;
metrics.scaledDensity = metrics.density;
metrics.widthPixels = screenWidth;
metrics.heightPixels = screenHeight;
metrics.xdpi = xdpi;
metrics.ydpi = ydpi;
context = new BridgeContext(projectKey, metrics, currentTheme, projectResources,
frameworkResources, styleParentMap, customViewLoader, logger);
BridgeInflater inflater = new BridgeInflater(context, customViewLoader);
context.setBridgeInflater(inflater);
IResourceValue windowBackground = null;
int screenOffset = 0;
if (currentTheme != null) {
windowBackground = context.findItemInStyle(currentTheme, "windowBackground");
windowBackground = context.resolveResValue(windowBackground);
screenOffset = getScreenOffset(currentTheme, context);
}
// we need to make sure the Looper has been initialized for this thread.
// this is required for View that creates Handler objects.
if (Looper.myLooper() == null) {
Looper.prepare();
}
BridgeXmlBlockParser parser = new BridgeXmlBlockParser(layoutDescription,
context, false /* platformResourceFlag */);
ViewGroup root = new FrameLayout(context);
View view = inflater.inflate(parser, root);
// set the AttachInfo on the root view.
AttachInfo info = new AttachInfo(new WindowSession(), new Window(),
new Handler(), null);
info.mHasWindowFocus = true;
info.mWindowVisibility = View.VISIBLE;
info.mInTouchMode = false; // this is so that we can display selections.
root.dispatchAttachedToWindow(info, 0);
// get the background drawable
if (windowBackground != null) {
Drawable d = ResourceHelper.getDrawable(windowBackground.getValue(),
context, true /* isFramework */);
root.setBackgroundDrawable(d);
}
int w_spec = MeasureSpec.makeMeasureSpec(screenWidth, MeasureSpec.EXACTLY);
int h_spec = MeasureSpec.makeMeasureSpec(screenHeight - screenOffset,
MeasureSpec.EXACTLY);
// measure the views
view.measure(w_spec, h_spec);
view.layout(0, screenOffset, screenWidth, screenHeight);
// draw them
BridgeCanvas canvas = new BridgeCanvas(screenWidth, screenHeight - screenOffset,
logger);
root.draw(canvas);
canvas.dispose();
return new LayoutResult(visit(((ViewGroup)view).getChildAt(0), context),
canvas.getImage());
} catch (Throwable e) {
// get the real cause of the exception.
Throwable t = e;
while (t.getCause() != null) {
t = t.getCause();
}
// log it
logger.error(t);
// then return with an ERROR status and the message from the real exception
return new LayoutResult(ILayoutResult.ERROR,
t.getClass().getSimpleName() + ": " + t.getMessage());
} finally {
// Make sure to remove static references, otherwise we could not unload the lib
BridgeResources.clearSystem();
BridgeAssetManager.clearSystem();
// Remove the global logger
synchronized (sDefaultLogger) {
sLogger = sDefaultLogger;
}
}
}
/*
* (non-Javadoc)
* @see com.android.layoutlib.api.ILayoutLibBridge#clearCaches(java.lang.Object)
*/
public void clearCaches(Object projectKey) {
if (projectKey != null) {
sProjectBitmapCache.remove(projectKey);
sProject9PatchCache.remove(projectKey);
}
}
/**
* Returns details of a framework resource from its integer value.
* @param value the integer value
* @return an array of 2 strings containing the resource name and type, or null if the id
* does not match any resource.
*/
public static String[] resolveResourceValue(int value) {
return sRMap.get(value);
}
/**
* Returns the name of a framework resource whose value is an int array.
* @param array
*/
public static String resolveResourceValue(int[] array) {
return sRArrayMap.get(array);
}
/**
* Returns the integer id of a framework resource, from a given resource type and resource name.
* @param type the type of the resource
* @param name the name of the resource.
* @return an {@link Integer} containing the resource id, or null if no resource were found.
*/
public static Integer getResourceValue(String type, String name) {
Map<String, Integer> map = sRFullMap.get(type);
if (map != null) {
return map.get(name);
}
return null;
}
static Map<String, Integer> getEnumValues(String attributeName) {
if (sEnumValueMap != null) {
return sEnumValueMap.get(attributeName);
}
return null;
}
/**
* Visits a View and its children and generate a {@link ILayoutViewInfo} containing the
* bounds of all the views.
* @param view the root View
* @param context the context.
*/
private ILayoutViewInfo visit(View view, BridgeContext context) {
if (view == null) {
return null;
}
LayoutViewInfo result = new LayoutViewInfo(view.getClass().getName(),
context.getViewKey(view),
view.getLeft(), view.getTop(), view.getRight(), view.getBottom());
if (view instanceof ViewGroup) {
ViewGroup group = ((ViewGroup) view);
int n = group.getChildCount();
ILayoutViewInfo[] children = new ILayoutViewInfo[n];
for (int i = 0; i < group.getChildCount(); i++) {
children[i] = visit(group.getChildAt(i), context);
}
result.setChildren(children);
}
return result;
}
/**
* Compute style information from the given list of style for the project and framework.
* @param themeName the name of the current theme. In order to differentiate project and
* platform themes sharing the same name, all project themes must be prepended with
* a '*' character.
* @param isProjectTheme Is this a project theme
* @param inProjectStyleMap the project style map
* @param inFrameworkStyleMap the framework style map
* @param outInheritanceMap the map of style inheritance. This is filled by the method
* @return the {@link IStyleResourceValue} matching <var>themeName</var>
*/
private IStyleResourceValue computeStyleMaps(
String themeName, boolean isProjectTheme, Map<String,
IResourceValue> inProjectStyleMap, Map<String, IResourceValue> inFrameworkStyleMap,
Map<IStyleResourceValue, IStyleResourceValue> outInheritanceMap) {
if (inProjectStyleMap != null && inFrameworkStyleMap != null) {
// first, get the theme
IResourceValue theme = null;
// project theme names have been prepended with a *
if (isProjectTheme) {
theme = inProjectStyleMap.get(themeName);
} else {
theme = inFrameworkStyleMap.get(themeName);
}
if (theme instanceof IStyleResourceValue) {
// compute the inheritance map for both the project and framework styles
computeStyleInheritance(inProjectStyleMap.values(), inProjectStyleMap,
inFrameworkStyleMap, outInheritanceMap);
// Compute the style inheritance for the framework styles/themes.
// Since, for those, the style parent values do not contain 'android:'
// we want to force looking in the framework style only to avoid using
// similarly named styles from the project.
// To do this, we pass null in lieu of the project style map.
computeStyleInheritance(inFrameworkStyleMap.values(), null /*inProjectStyleMap */,
inFrameworkStyleMap, outInheritanceMap);
return (IStyleResourceValue)theme;
}
}
return null;
}
/**
* Compute the parent style for all the styles in a given list.
* @param styles the styles for which we compute the parent.
* @param inProjectStyleMap the map of project styles.
* @param inFrameworkStyleMap the map of framework styles.
* @param outInheritanceMap the map of style inheritance. This is filled by the method.
*/
private void computeStyleInheritance(Collection<IResourceValue> styles,
Map<String, IResourceValue> inProjectStyleMap,
Map<String, IResourceValue> inFrameworkStyleMap,
Map<IStyleResourceValue, IStyleResourceValue> outInheritanceMap) {
for (IResourceValue value : styles) {
if (value instanceof IStyleResourceValue) {
IStyleResourceValue style = (IStyleResourceValue)value;
IStyleResourceValue parentStyle = null;
// first look for a specified parent.
String parentName = style.getParentStyle();
// no specified parent? try to infer it from the name of the style.
if (parentName == null) {
parentName = getParentName(value.getName());
}
if (parentName != null) {
parentStyle = getStyle(parentName, inProjectStyleMap, inFrameworkStyleMap);
if (parentStyle != null) {
outInheritanceMap.put(style, parentStyle);
}
}
}
}
}
/**
* Searches for and returns the {@link IStyleResourceValue} from a given name.
* <p/>The format of the name can be:
* <ul>
* <li>[android:]<name></li>
* <li>[android:]style/<name></li>
* <li>@[android:]style/<name></li>
* </ul>
* @param parentName the name of the style.
* @param inProjectStyleMap the project style map. Can be <code>null</code>
* @param inFrameworkStyleMap the framework style map.
* @return The matching {@link IStyleResourceValue} object or <code>null</code> if not found.
*/
private IStyleResourceValue getStyle(String parentName,
Map<String, IResourceValue> inProjectStyleMap,
Map<String, IResourceValue> inFrameworkStyleMap) {
boolean frameworkOnly = false;
String name = parentName;
// remove the useless @ if it's there
if (name.startsWith(BridgeConstants.PREFIX_RESOURCE_REF)) {
name = name.substring(BridgeConstants.PREFIX_RESOURCE_REF.length());
}
// check for framework identifier.
if (name.startsWith(BridgeConstants.PREFIX_ANDROID)) {
frameworkOnly = true;
name = name.substring(BridgeConstants.PREFIX_ANDROID.length());
}
// at this point we could have the format style/<name>. we want only the name
if (name.startsWith(BridgeConstants.REFERENCE_STYLE)) {
name = name.substring(BridgeConstants.REFERENCE_STYLE.length());
}
IResourceValue parent = null;
// if allowed, search in the project resources.
if (frameworkOnly == false && inProjectStyleMap != null) {
parent = inProjectStyleMap.get(name);
}
// if not found, then look in the framework resources.
if (parent == null) {
parent = inFrameworkStyleMap.get(name);
}
// make sure the result is the proper class type and return it.
if (parent instanceof IStyleResourceValue) {
return (IStyleResourceValue)parent;
}
sLogger.error(String.format("Unable to resolve parent style name: ", parentName));
return null;
}
/**
* Computes the name of the parent style, or <code>null</code> if the style is a root style.
*/
private String getParentName(String styleName) {
int index = styleName.lastIndexOf('.');
if (index != -1) {
return styleName.substring(0, index);
}
return null;
}
/**
* Returns the top screen offset. This depends on whether the current theme defines the user
* of the title and status bars.
* @return the pixel height offset
*/
private int getScreenOffset(IStyleResourceValue currentTheme, BridgeContext context) {
int offset = 0;
// get the title bar flag from the current theme.
IResourceValue value = context.findItemInStyle(currentTheme, "windowNoTitle");
// because it may reference something else, we resolve it.
value = context.resolveResValue(value);
// if there's a value and it's true (default is false)
if (value == null || value.getValue() == null ||
XmlUtils.convertValueToBoolean(value.getValue(), false /* defValue */) == false) {
// get value from the theme.
value = context.findItemInStyle(currentTheme, "windowTitleSize");
// resolve it
value = context.resolveResValue(value);
// default value
offset = DEFAULT_TITLE_BAR_HEIGHT;
// get the real value;
if (value != null) {
TypedValue typedValue = ResourceHelper.getValue(value.getValue());
if (typedValue != null) {
offset = (int)typedValue.getDimension(context.getResources().mMetrics);
}
}
}
// get the fullscreen flag from the current theme.
value = context.findItemInStyle(currentTheme, "windowFullscreen");
// because it may reference something else, we resolve it.
value = context.resolveResValue(value);
if (value == null || value.getValue() == null ||
XmlUtils.convertValueToBoolean(value.getValue(), false /* defValue */) == false) {
// FIXME: Right now this is hard-coded in the platform, but once there's a constant, we'll need to use it.
offset += DEFAULT_STATUS_BAR_HEIGHT;
}
return offset;
}
/**
* Returns the bitmap for a specific path, from a specific project cache, or from the
* framework cache.
* @param value the path of the bitmap
* @param projectKey the key of the project, or null to query the framework cache.
* @return the cached Bitmap or null if not found.
*/
static Bitmap getCachedBitmap(String value, Object projectKey) {
if (projectKey != null) {
Map<String, SoftReference<Bitmap>> map = sProjectBitmapCache.get(projectKey);
if (map != null) {
SoftReference<Bitmap> ref = map.get(value);
if (ref != null) {
return ref.get();
}
}
} else {
SoftReference<Bitmap> ref = sFrameworkBitmapCache.get(value);
if (ref != null) {
return ref.get();
}
}
return null;
}
/**
* Sets a bitmap in a project cache or in the framework cache.
* @param value the path of the bitmap
* @param bmp the Bitmap object
* @param projectKey the key of the project, or null to put the bitmap in the framework cache.
*/
static void setCachedBitmap(String value, Bitmap bmp, Object projectKey) {
if (projectKey != null) {
Map<String, SoftReference<Bitmap>> map = sProjectBitmapCache.get(projectKey);
if (map == null) {
map = new HashMap<String, SoftReference<Bitmap>>();
sProjectBitmapCache.put(projectKey, map);
}
map.put(value, new SoftReference<Bitmap>(bmp));
} else {
sFrameworkBitmapCache.put(value, new SoftReference<Bitmap>(bmp));
}
}
/**
* Returns the 9 patch for a specific path, from a specific project cache, or from the
* framework cache.
* @param value the path of the 9 patch
* @param projectKey the key of the project, or null to query the framework cache.
* @return the cached 9 patch or null if not found.
*/
static NinePatch getCached9Patch(String value, Object projectKey) {
if (projectKey != null) {
Map<String, SoftReference<NinePatch>> map = sProject9PatchCache.get(projectKey);
if (map != null) {
SoftReference<NinePatch> ref = map.get(value);
if (ref != null) {
return ref.get();
}
}
} else {
SoftReference<NinePatch> ref = sFramework9PatchCache.get(value);
if (ref != null) {
return ref.get();
}
}
return null;
}
/**
* Sets a 9 patch in a project cache or in the framework cache.
* @param value the path of the 9 patch
* @param ninePatch the 9 patch object
* @param projectKey the key of the project, or null to put the bitmap in the framework cache.
*/
static void setCached9Patch(String value, NinePatch ninePatch, Object projectKey) {
if (projectKey != null) {
Map<String, SoftReference<NinePatch>> map = sProject9PatchCache.get(projectKey);
if (map == null) {
map = new HashMap<String, SoftReference<NinePatch>>();
sProject9PatchCache.put(projectKey, map);
}
map.put(value, new SoftReference<NinePatch>(ninePatch));
} else {
sFramework9PatchCache.put(value, new SoftReference<NinePatch>(ninePatch));
}
}
/**
* Implementation of {@link IWindowSession} so that mSession is not null in
* the {@link SurfaceView}.
*/
private static final class WindowSession implements IWindowSession {
@SuppressWarnings("unused")
public int add(IWindow arg0, LayoutParams arg1, int arg2, Rect arg3)
throws RemoteException {
// pass for now.
return 0;
}
@SuppressWarnings("unused")
public void finishDrawing(IWindow arg0) throws RemoteException {
// pass for now.
}
@SuppressWarnings("unused")
public void finishKey(IWindow arg0) throws RemoteException {
// pass for now.
}
@SuppressWarnings("unused")
public boolean getInTouchMode() throws RemoteException {
// pass for now.
return false;
}
@SuppressWarnings("unused")
public boolean performHapticFeedback(IWindow window, int effectId, boolean always) {
// pass for now.
return false;
}
@SuppressWarnings("unused")
public MotionEvent getPendingPointerMove(IWindow arg0) throws RemoteException {
// pass for now.
return null;
}
@SuppressWarnings("unused")
public MotionEvent getPendingTrackballMove(IWindow arg0) throws RemoteException {
// pass for now.
return null;
}
@SuppressWarnings("unused")
public int relayout(IWindow arg0, LayoutParams arg1, int arg2, int arg3, int arg4,
boolean arg4_5, Rect arg5, Rect arg6, Rect arg7, Surface arg8)
throws RemoteException {
// pass for now.
return 0;
}
public void getDisplayFrame(IWindow window, Rect outDisplayFrame) {
// pass for now.
}
@SuppressWarnings("unused")
public void remove(IWindow arg0) throws RemoteException {
// pass for now.
}
@SuppressWarnings("unused")
public void setInTouchMode(boolean arg0) throws RemoteException {
// pass for now.
}
@SuppressWarnings("unused")
public void setTransparentRegion(IWindow arg0, Region arg1) throws RemoteException {
// pass for now.
}
public void setInsets(IWindow window, int touchable, Rect contentInsets,
Rect visibleInsets) {
// pass for now.
}
public IBinder asBinder() {
// pass for now.
return null;
}
}
/**
* Implementation of {@link IWindow} to pass to the {@link AttachInfo}.
*/
private static final class Window implements IWindow {
@SuppressWarnings("unused")
public void dispatchAppVisibility(boolean arg0) throws RemoteException {
// pass for now.
}
@SuppressWarnings("unused")
public void dispatchGetNewSurface() throws RemoteException {
// pass for now.
}
@SuppressWarnings("unused")
public void dispatchKey(KeyEvent arg0) throws RemoteException {
// pass for now.
}
@SuppressWarnings("unused")
public void dispatchPointer(MotionEvent arg0, long arg1) throws RemoteException {
// pass for now.
}
@SuppressWarnings("unused")
public void dispatchTrackball(MotionEvent arg0, long arg1) throws RemoteException {
// pass for now.
}
@SuppressWarnings("unused")
public void executeCommand(String arg0, String arg1, ParcelFileDescriptor arg2)
throws RemoteException {
// pass for now.
}
@SuppressWarnings("unused")
public void resized(int arg0, int arg1, Rect arg2, Rect arg3, boolean arg4)
throws RemoteException {
// pass for now.
}
@SuppressWarnings("unused")
public void windowFocusChanged(boolean arg0, boolean arg1) throws RemoteException {
// pass for now.
}
public IBinder asBinder() {
// pass for now.
return null;
}
}
}