BrandingResources.java
上传用户:szyujian
上传日期:2016-09-20
资源大小:320k
文件大小:7k
- /*
- * Copyright (C) 2008 Esmertec AG.
- * 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.im.app;
- import com.android.im.plugin.IImPlugin;
- import com.android.im.plugin.ImPluginInfo;
- import dalvik.system.PathClassLoader;
- import android.content.Context;
- import android.content.Intent;
- import android.content.pm.PackageManager;
- import android.content.pm.PackageManager.NameNotFoundException;
- import android.content.res.Resources;
- import android.graphics.drawable.Drawable;
- import android.os.RemoteException;
- import android.util.Log;
- import java.lang.reflect.InvocationTargetException;
- import java.lang.reflect.Method;
- import java.util.Map;
- /**
- * The provider specific branding resources.
- */
- public class BrandingResources {
- private static final String TAG = ImApp.LOG_TAG;
- private Map<Integer, Integer> mResMapping;
- private Resources mPackageRes;
- private int[] mSmileyIcons;
- private BrandingResources mDefaultRes;
- /**
- * Creates a new BrandingResource of a specific plug-in. The resources will
- * be retrieved from the plug-in package.
- *
- * @param context The current application context.
- * @param pluginInfo The info about the plug-in.
- * @param defaultRes The default branding resources. If the resource is not
- * found in the plug-in, the default resource will be returned.
- */
- public BrandingResources(Context context, ImPluginInfo pluginInfo,
- BrandingResources defaultRes) {
- mDefaultRes = defaultRes;
- PackageManager pm = context.getPackageManager();
- try {
- mPackageRes = pm.getResourcesForApplication(pluginInfo.mPackageName);
- } catch (NameNotFoundException e) {
- Log.e(TAG, "Can not load resources from package: " + pluginInfo.mPackageName);
- }
- // Load the plug-in directly from the apk instead of binding the service
- // and calling through the IPC binder API. It's more effective in this way
- // and we can avoid the async behaviors of binding service.
- PathClassLoader classLoader = new PathClassLoader(pluginInfo.mSrcPath,
- context.getClassLoader());
- try {
- Class cls = classLoader.loadClass(pluginInfo.mClassName);
- Method m = cls.getMethod("onBind", Intent.class);
- IImPlugin plugin = (IImPlugin)m.invoke(cls.newInstance(), new Object[]{null});
- mResMapping = plugin.getResourceMap();
- mSmileyIcons = plugin.getSmileyIconIds();
- } catch (ClassNotFoundException e) {
- Log.e(TAG, "Failed load the plugin resource map", e);
- } catch (IllegalAccessException e) {
- Log.e(TAG, "Failed load the plugin resource map", e);
- } catch (InstantiationException e) {
- Log.e(TAG, "Failed load the plugin resource map", e);
- } catch (SecurityException e) {
- Log.e(TAG, "Failed load the plugin resource map", e);
- } catch (NoSuchMethodException e) {
- Log.e(TAG, "Failed load the plugin resource map", e);
- } catch (IllegalArgumentException e) {
- Log.e(TAG, "Failed load the plugin resource map", e);
- } catch (InvocationTargetException e) {
- Log.e(TAG, "Failed load the plugin resource map", e);
- } catch (RemoteException e) {
- Log.e(TAG, "Failed load the plugin resource map", e);
- }
- }
- /**
- * Creates a BrandingResource with application context and the resource ID map.
- * The resource will be retrieved from the context directly instead from the plug-in package.
- *
- * @param context
- * @param resMapping
- */
- public BrandingResources(Context context, Map<Integer, Integer> resMapping,
- BrandingResources defaultRes) {
- mPackageRes = context.getResources();
- mResMapping = resMapping;
- mDefaultRes = defaultRes;
- }
- /**
- * Gets a drawable object associated with a particular resource ID defined
- * in {@link com.android.im.plugin.BrandingResourceIDs}
- *
- * @param id The ID defined in
- * {@link com.android.im.plugin.BrandingResourceIDs}
- * @return Drawable An object that can be used to draw this resource.
- */
- public Drawable getDrawable(int id) {
- int resId = getPackageResourceId(id);
- if (resId != 0) {
- return mPackageRes.getDrawable(resId);
- } else if (mDefaultRes != null){
- return mDefaultRes.getDrawable(id);
- } else {
- return null;
- }
- }
- /**
- * Gets an array of the IDs of the supported smiley of the provider. Use
- * {@link #getSmileyIcon(int)} to get the drawable object of the smiley.
- *
- * @return An array of the IDs of the supported smileys.
- */
- public int[] getSmileyIcons() {
- return mSmileyIcons;
- }
- /**
- * Gets the drawable associated with particular smiley ID.
- *
- * @param smileyId The ID of the smiley returned in
- * {@link #getSmileyIcons()}
- * @return Drawable An object that can be used to draw this smiley.
- */
- public Drawable getSmileyIcon(int smileyId){
- if (mPackageRes == null) {
- return null;
- }
- return mPackageRes.getDrawable(smileyId);
- }
- /**
- * Gets the string value associated with a particular resource ID defined in
- * {@link com.android.im.plugin.BrandingResourceIDs}
- *
- * @param id The ID of the string resource defined in
- * {@link com.android.im.plugin.BrandingResourceIDs}
- * @param formatArgs The format arguments that will be used for
- * substitution.
- * @return The string data associated with the resource
- */
- public String getString(int id, Object... formatArgs) {
- int resId = getPackageResourceId(id);
- if (resId != 0) {
- return mPackageRes.getString(resId, formatArgs);
- } else if (mDefaultRes != null){
- return mDefaultRes.getString(id, formatArgs);
- } else {
- return null;
- }
- }
- /**
- * Gets the string array associated with a particular resource ID defined in
- * {@link com.android.im.plugin.BrandingResourceIDs}
- *
- * @param id The ID of the string resource defined in
- * {@link com.android.im.plugin.BrandingResourceIDs}
- * @return The string array associated with the resource.
- */
- public String[] getStringArray(int id) {
- int resId = getPackageResourceId(id);
- if (resId != 0) {
- return mPackageRes.getStringArray(resId);
- } else if (mDefaultRes != null){
- return mDefaultRes.getStringArray(id);
- } else {
- return null;
- }
- }
- private int getPackageResourceId(int id) {
- if (mResMapping == null || mPackageRes == null) {
- return 0;
- }
- Integer resId = mResMapping.get(id);
- return resId == null ? 0 : resId;
- }
- }