| /* |
| * 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.LayoutLog; |
| 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.layoutlib.bridge.resources.IconLoader; |
| import com.android.layoutlib.bridge.resources.SysUiResources; |
| import com.android.resources.Density; |
| import com.android.resources.LayoutDirection; |
| import com.android.resources.ResourceType; |
| |
| import android.annotation.NonNull; |
| 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; |
| |
| import static android.os._Original_Build.VERSION_CODES.LOLLIPOP; |
| |
| /** |
| * 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)}). |
| * <p> |
| * The given layout should be a merge layout so that all the children belong to this class directly. |
| * <p> |
| * It also provides a few utility methods to configure the content of the layout. |
| */ |
| abstract class CustomBar extends LinearLayout { |
| private final int mSimulatedPlatformVersion; |
| |
| protected CustomBar(BridgeContext context, int orientation, String layoutName, |
| int simulatedPlatformVersion) { |
| super(context); |
| mSimulatedPlatformVersion = simulatedPlatformVersion; |
| setOrientation(orientation); |
| if (orientation == LinearLayout.HORIZONTAL) { |
| setGravity(Gravity.CENTER_VERTICAL); |
| } else { |
| setGravity(Gravity.CENTER_HORIZONTAL); |
| } |
| |
| LayoutInflater inflater = LayoutInflater.from(mContext); |
| BridgeXmlBlockParser bridgeParser = loadXml(layoutName); |
| try { |
| inflater.inflate(bridgeParser, this, true); |
| } finally { |
| bridgeParser.ensurePopped(); |
| } |
| } |
| |
| protected abstract TextView getStyleableTextView(); |
| |
| protected BridgeXmlBlockParser loadXml(String layoutName) { |
| return SysUiResources.loadXml((BridgeContext) mContext, mSimulatedPlatformVersion, |
| layoutName); |
| } |
| |
| protected ImageView loadIcon(ImageView imageView, String iconName, Density density) { |
| return SysUiResources.loadIcon(mContext, mSimulatedPlatformVersion, imageView, iconName, |
| density, false); |
| } |
| |
| protected ImageView loadIcon(int index, String iconName, Density density, boolean isRtl) { |
| View child = getChildAt(index); |
| if (child instanceof ImageView) { |
| ImageView imageView = (ImageView) child; |
| return SysUiResources.loadIcon(mContext, mSimulatedPlatformVersion, imageView, iconName, |
| density, isRtl); |
| } |
| |
| return null; |
| } |
| |
| protected ImageView loadIcon(ImageView imageView, String iconName, Density density, |
| boolean isRtl) { |
| LayoutDirection dir = isRtl ? LayoutDirection.RTL : null; |
| IconLoader iconLoader = new IconLoader(iconName, density, mSimulatedPlatformVersion, dir); |
| InputStream stream = iconLoader.getIcon(); |
| |
| if (stream != null) { |
| density = iconLoader.getDensity(); |
| String path = iconLoader.getPath(); |
| // look for a cached bitmap |
| Bitmap bitmap = Bridge.getCachedBitmap(path, Boolean.TRUE /*isFramework*/); |
| if (bitmap == null) { |
| try { |
| bitmap = Bitmap_Delegate.createBitmap(stream, false /*isMutable*/, density); |
| Bridge.setCachedBitmap(path, bitmap, Boolean.TRUE /*isFramework*/); |
| } catch (IOException e) { |
| return imageView; |
| } |
| } |
| |
| if (bitmap != null) { |
| BitmapDrawable drawable = new BitmapDrawable(getContext().getResources(), bitmap); |
| imageView.setImageDrawable(drawable); |
| } |
| } |
| |
| return imageView; |
| } |
| |
| protected TextView setText(int index, String string) { |
| View child = getChildAt(index); |
| if (child instanceof TextView) { |
| TextView textView = (TextView) child; |
| textView.setText(string); |
| return textView; |
| } |
| |
| return null; |
| } |
| |
| protected void setStyle(String themeEntryName) { |
| BridgeContext bridgeContext = getContext(); |
| RenderResources res = bridgeContext.getRenderResources(); |
| |
| ResourceValue value = |
| res.findItemInTheme(BridgeContext.createFrameworkAttrReference(themeEntryName)); |
| value = res.resolveResValue(value); |
| |
| if (!(value instanceof StyleResourceValue)) { |
| return; |
| } |
| |
| StyleResourceValue style = (StyleResourceValue) value; |
| |
| // get the background |
| ResourceValue backgroundValue = res.findItemInStyle(style, |
| BridgeContext.createFrameworkAttrReference("background")); |
| backgroundValue = res.resolveResValue(backgroundValue); |
| if (backgroundValue != null) { |
| Drawable d = ResourceHelper.getDrawable(backgroundValue, bridgeContext); |
| if (d != null) { |
| setBackground(d); |
| } |
| } |
| |
| TextView textView = getStyleableTextView(); |
| if (textView != null) { |
| // get the text style |
| ResourceValue textStyleValue = res.findItemInStyle(style, |
| BridgeContext.createFrameworkAttrReference("titleTextStyle")); |
| textStyleValue = res.resolveResValue(textStyleValue); |
| if (textStyleValue instanceof StyleResourceValue) { |
| StyleResourceValue textStyle = (StyleResourceValue) textStyleValue; |
| |
| ResourceValue textSize = res.findItemInStyle(textStyle, |
| BridgeContext.createFrameworkAttrReference("textSize")); |
| textSize = res.resolveResValue(textSize); |
| |
| if (textSize != null) { |
| TypedValue out = new TypedValue(); |
| if (ResourceHelper.parseFloatAttribute("textSize", textSize.getValue(), out, |
| true /*requireUnit*/)) { |
| textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, |
| out.getDimension(bridgeContext.getResources().getDisplayMetrics())); |
| } |
| } |
| |
| ResourceValue textColor = res.findItemInStyle(textStyle, |
| BridgeContext.createFrameworkAttrReference("textColor")); |
| textColor = res.resolveResValue(textColor); |
| if (textColor != null) { |
| ColorStateList stateList = |
| ResourceHelper.getColorStateList(textColor, bridgeContext, null); |
| if (stateList != null) { |
| textView.setTextColor(stateList); |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public BridgeContext getContext() { |
| return (BridgeContext) mContext; |
| } |
| |
| /** |
| * Find the background color for this bar from the theme attributes. Only relevant to StatusBar |
| * and NavigationBar. |
| * <p/> |
| * Returns 0 if not found. |
| * |
| * @param colorAttrName the attribute name for the background color |
| * @param translucentAttrName the attribute name for the translucency property of the bar. |
| * |
| * @throws NumberFormatException if color resolved to an invalid string. |
| */ |
| protected int getBarColor(@NonNull String colorAttrName, @NonNull String translucentAttrName) { |
| if (!Config.isGreaterOrEqual(mSimulatedPlatformVersion, LOLLIPOP)) { |
| return 0; |
| } |
| RenderResources renderResources = getContext().getRenderResources(); |
| // First check if the bar is translucent. |
| boolean translucent = ResourceHelper.getBooleanThemeFrameworkAttrValue(renderResources, |
| translucentAttrName, false); |
| if (translucent) { |
| // Keep in sync with R.color.system_bar_background_semi_transparent from system ui. |
| return 0x66000000; // 40% black. |
| } |
| boolean transparent = ResourceHelper.getBooleanThemeFrameworkAttrValue(renderResources, |
| "windowDrawsSystemBarBackgrounds", false); |
| if (transparent) { |
| return getColor(renderResources, colorAttrName); |
| } |
| return 0; |
| } |
| |
| private static int getColor(RenderResources renderResources, String attr) { |
| // From ?attr/foo to @color/bar. This is most likely an StyleItemResourceValue. |
| ResourceValue resource = |
| renderResources.findItemInTheme(BridgeContext.createFrameworkAttrReference(attr)); |
| // Form @color/bar to the #AARRGGBB |
| resource = renderResources.resolveResValue(resource); |
| if (resource != null) { |
| ResourceType type = resource.getResourceType(); |
| if (type == null || type == ResourceType.COLOR) { |
| // if no type is specified, the value may have been specified directly in the style |
| // file, rather than referencing a color resource value. |
| try { |
| return ResourceHelper.getColor(resource.getValue()); |
| } catch (NumberFormatException e) { |
| // Conversion failed. |
| Bridge.getLog().warning(LayoutLog.TAG_RESOURCES_FORMAT, |
| "Theme attribute @android:" + attr + |
| " does not reference a color, instead is '" + |
| resource.getValue() + "'.", null, resource); |
| } |
| } |
| } |
| return 0; |
| } |
| } |
