| /* |
| * 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.ImPlugin; |
| 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. |
| ClassLoader classLoader = context.getClassLoader(); |
| try { |
| Class cls = classLoader.loadClass(pluginInfo.mClassName); |
| Method m = cls.getMethod("onBind", Intent.class); |
| ImPlugin plugin = (ImPlugin)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); |
| } |
| } |
| |
| /** |
| * 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) { |
| this(context.getResources(), resMapping, null, defaultRes); |
| } |
| |
| public BrandingResources(Resources packageRes, Map<Integer, Integer> resMapping, |
| int[] smileyIcons, BrandingResources defaultRes) { |
| mPackageRes = packageRes; |
| mResMapping = resMapping; |
| mSmileyIcons = smileyIcons; |
| 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; |
| } |
| |
| } |