| /* |
| * Copyright (C) 2011 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.bars; |
| |
| import com.android.ide.common.rendering.api.RenderResources; |
| 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.android.BridgeContext; |
| import com.android.layoutlib.bridge.android.BridgeXmlBlockParser; |
| import com.android.layoutlib.bridge.impl.ResourceHelper; |
| import com.android.resources.Density; |
| import com.android.resources.ResourceType; |
| |
| import org.kxml2.io.KXmlParser; |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import android.content.Context; |
| import android.content.res.ColorStateList; |
| import android.graphics.Bitmap; |
| import android.graphics.Bitmap_Delegate; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.util.TypedValue; |
| import android.view.Gravity; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.widget.ImageView; |
| import android.widget.LinearLayout; |
| import android.widget.TextView; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| /** |
| * Base "bar" class for the window decor around the the edited layout. |
| * This is basically an horizontal layout that loads a given layout on creation (it is read |
| * through {@link Class#getResourceAsStream(String)}). |
| * |
| * The given layout should be a merge layout so that all the children belong to this class directly. |
| * |
| * It also provides a few utility methods to configure the content of the layout. |
| */ |
| abstract class CustomBar extends LinearLayout { |
| |
| protected abstract TextView getStyleableTextView(); |
| |
| protected CustomBar(Context context, Density density, String layoutPath) |
| throws XmlPullParserException { |
| super(context); |
| setOrientation(LinearLayout.HORIZONTAL); |
| setGravity(Gravity.CENTER_VERTICAL); |
| |
| LayoutInflater inflater = (LayoutInflater) getContext().getSystemService( |
| Context.LAYOUT_INFLATER_SERVICE); |
| |
| KXmlParser parser = new KXmlParser(); |
| parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true); |
| parser.setInput( |
| getClass().getResourceAsStream(layoutPath), |
| "UTF8"); //$NON-NLS-1$ |
| |
| BridgeXmlBlockParser bridgeParser = new BridgeXmlBlockParser( |
| parser, (BridgeContext) context, false /*platformFile*/); |
| |
| try { |
| inflater.inflate(bridgeParser, this, true); |
| } finally { |
| bridgeParser.ensurePopped(); |
| } |
| } |
| |
| private InputStream getIcon(String iconName, Density[] densityInOut, String[] pathOut, |
| boolean tryOtherDensities) { |
| // current density |
| Density density = densityInOut[0]; |
| |
| // bitmap url relative to this class |
| pathOut[0] = "/bars/" + density.getResourceValue() + "/" + iconName; |
| |
| InputStream stream = getClass().getResourceAsStream(pathOut[0]); |
| if (stream == null && tryOtherDensities) { |
| for (Density d : Density.values()) { |
| if (d != density) { |
| densityInOut[0] = d; |
| stream = getIcon(iconName, densityInOut, pathOut, false /*tryOtherDensities*/); |
| if (stream != null) { |
| return stream; |
| } |
| } |
| } |
| } |
| |
| return stream; |
| } |
| |
| protected void loadIcon(int index, String iconName, Density density) { |
| View child = getChildAt(index); |
| if (child instanceof ImageView) { |
| ImageView imageView = (ImageView) child; |
| |
| String[] pathOut = new String[1]; |
| Density[] densityInOut = new Density[] { density }; |
| InputStream stream = getIcon(iconName, densityInOut, pathOut, |
| true /*tryOtherDensities*/); |
| density = densityInOut[0]; |
| |
| if (stream != null) { |
| // look for a cached bitmap |
| Bitmap bitmap = Bridge.getCachedBitmap(pathOut[0], true /*isFramework*/); |
| if (bitmap == null) { |
| try { |
| bitmap = Bitmap_Delegate.createBitmap(stream, false /*isMutable*/, density); |
| Bridge.setCachedBitmap(pathOut[0], bitmap, true /*isFramework*/); |
| } catch (IOException e) { |
| return; |
| } |
| } |
| |
| if (bitmap != null) { |
| BitmapDrawable drawable = new BitmapDrawable(getContext().getResources(), |
| bitmap); |
| imageView.setBackgroundDrawable(drawable); |
| } |
| } |
| } |
| } |
| |
| protected void loadIcon(int index, String iconReference) { |
| ResourceValue value = getResourceValue(iconReference); |
| if (value != null) { |
| loadIcon(index, value); |
| } |
| } |
| |
| protected Drawable loadIcon(int index, ResourceType type, String name) { |
| BridgeContext bridgeContext = (BridgeContext) mContext; |
| RenderResources res = bridgeContext.getRenderResources(); |
| |
| // find the resource |
| ResourceValue value = res.getFrameworkResource(type, name); |
| |
| // resolve it if needed |
| value = res.resolveResValue(value); |
| return loadIcon(index, value); |
| } |
| |
| private Drawable loadIcon(int index, ResourceValue value) { |
| View child = getChildAt(index); |
| if (child instanceof ImageView) { |
| ImageView imageView = (ImageView) child; |
| |
| Drawable drawable = ResourceHelper.getDrawable( |
| value, (BridgeContext) mContext); |
| if (drawable != null) { |
| imageView.setBackgroundDrawable(drawable); |
| } |
| |
| return drawable; |
| } |
| |
| return null; |
| } |
| |
| protected TextView setText(int index, String stringReference) { |
| View child = getChildAt(index); |
| if (child instanceof TextView) { |
| TextView textView = (TextView) child; |
| ResourceValue value = getResourceValue(stringReference); |
| if (value != null) { |
| textView.setText(value.getValue()); |
| } else { |
| textView.setText(stringReference); |
| } |
| return textView; |
| } |
| |
| return null; |
| } |
| |
| protected void setStyle(String themeEntryName) { |
| |
| BridgeContext bridgeContext = (BridgeContext) mContext; |
| RenderResources res = bridgeContext.getRenderResources(); |
| |
| ResourceValue value = res.findItemInTheme(themeEntryName); |
| value = res.resolveResValue(value); |
| |
| if (value instanceof StyleResourceValue == false) { |
| return; |
| } |
| |
| StyleResourceValue style = (StyleResourceValue) value; |
| |
| // get the background |
| ResourceValue backgroundValue = res.findItemInStyle(style, "background"); |
| backgroundValue = res.resolveResValue(backgroundValue); |
| if (backgroundValue != null) { |
| Drawable d = ResourceHelper.getDrawable(backgroundValue, bridgeContext); |
| if (d != null) { |
| setBackgroundDrawable(d); |
| } |
| } |
| |
| TextView textView = getStyleableTextView(); |
| if (textView != null) { |
| // get the text style |
| ResourceValue textStyleValue = res.findItemInStyle(style, "titleTextStyle"); |
| textStyleValue = res.resolveResValue(textStyleValue); |
| if (textStyleValue instanceof StyleResourceValue) { |
| StyleResourceValue textStyle = (StyleResourceValue) textStyleValue; |
| |
| ResourceValue textSize = res.findItemInStyle(textStyle, "textSize"); |
| textSize = res.resolveResValue(textSize); |
| |
| if (textSize != null) { |
| TypedValue out = new TypedValue(); |
| if (ResourceHelper.stringToFloat(textSize.getValue(), out)) { |
| textView.setTextSize( |
| out.getDimension(bridgeContext.getResources().mMetrics)); |
| } |
| } |
| |
| |
| ResourceValue textColor = res.findItemInStyle(textStyle, "textColor"); |
| textColor = res.resolveResValue(textColor); |
| if (textColor != null) { |
| ColorStateList stateList = ResourceHelper.getColorStateList( |
| textColor, bridgeContext); |
| if (stateList != null) { |
| textView.setTextColor(stateList); |
| } |
| } |
| } |
| } |
| } |
| |
| private ResourceValue getResourceValue(String reference) { |
| BridgeContext bridgeContext = (BridgeContext) mContext; |
| RenderResources res = bridgeContext.getRenderResources(); |
| |
| // find the resource |
| ResourceValue value = res.findResValue(reference, false /*isFramework*/); |
| |
| // resolve it if needed |
| return res.resolveResValue(value); |
| } |
| } |