| /* |
| * Copyright (C) 2006 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 android.text.style; |
| |
| import android.annotation.DrawableRes; |
| import android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.net.Uri; |
| import android.util.Log; |
| |
| import java.io.InputStream; |
| |
| public class ImageSpan extends DynamicDrawableSpan { |
| private Drawable mDrawable; |
| private Uri mContentUri; |
| private int mResourceId; |
| private Context mContext; |
| private String mSource; |
| |
| /** |
| * @deprecated Use {@link #ImageSpan(Context, Bitmap)} instead. |
| */ |
| @Deprecated |
| public ImageSpan(Bitmap b) { |
| this(null, b, ALIGN_BOTTOM); |
| } |
| |
| /** |
| * @deprecated Use {@link #ImageSpan(Context, Bitmap, int)} instead. |
| */ |
| @Deprecated |
| public ImageSpan(Bitmap b, int verticalAlignment) { |
| this(null, b, verticalAlignment); |
| } |
| |
| public ImageSpan(Context context, Bitmap b) { |
| this(context, b, ALIGN_BOTTOM); |
| } |
| |
| /** |
| * @param verticalAlignment one of {@link DynamicDrawableSpan#ALIGN_BOTTOM} or |
| * {@link DynamicDrawableSpan#ALIGN_BASELINE}. |
| */ |
| public ImageSpan(Context context, Bitmap b, int verticalAlignment) { |
| super(verticalAlignment); |
| mContext = context; |
| mDrawable = context != null |
| ? new BitmapDrawable(context.getResources(), b) |
| : new BitmapDrawable(b); |
| int width = mDrawable.getIntrinsicWidth(); |
| int height = mDrawable.getIntrinsicHeight(); |
| mDrawable.setBounds(0, 0, width > 0 ? width : 0, height > 0 ? height : 0); |
| } |
| |
| public ImageSpan(Drawable d) { |
| this(d, ALIGN_BOTTOM); |
| } |
| |
| /** |
| * @param verticalAlignment one of {@link DynamicDrawableSpan#ALIGN_BOTTOM} or |
| * {@link DynamicDrawableSpan#ALIGN_BASELINE}. |
| */ |
| public ImageSpan(Drawable d, int verticalAlignment) { |
| super(verticalAlignment); |
| mDrawable = d; |
| } |
| |
| public ImageSpan(Drawable d, String source) { |
| this(d, source, ALIGN_BOTTOM); |
| } |
| |
| /** |
| * @param verticalAlignment one of {@link DynamicDrawableSpan#ALIGN_BOTTOM} or |
| * {@link DynamicDrawableSpan#ALIGN_BASELINE}. |
| */ |
| public ImageSpan(Drawable d, String source, int verticalAlignment) { |
| super(verticalAlignment); |
| mDrawable = d; |
| mSource = source; |
| } |
| |
| public ImageSpan(Context context, Uri uri) { |
| this(context, uri, ALIGN_BOTTOM); |
| } |
| |
| /** |
| * @param verticalAlignment one of {@link DynamicDrawableSpan#ALIGN_BOTTOM} or |
| * {@link DynamicDrawableSpan#ALIGN_BASELINE}. |
| */ |
| public ImageSpan(Context context, Uri uri, int verticalAlignment) { |
| super(verticalAlignment); |
| mContext = context; |
| mContentUri = uri; |
| mSource = uri.toString(); |
| } |
| |
| public ImageSpan(Context context, @DrawableRes int resourceId) { |
| this(context, resourceId, ALIGN_BOTTOM); |
| } |
| |
| /** |
| * @param verticalAlignment one of {@link DynamicDrawableSpan#ALIGN_BOTTOM} or |
| * {@link DynamicDrawableSpan#ALIGN_BASELINE}. |
| */ |
| public ImageSpan(Context context, @DrawableRes int resourceId, int verticalAlignment) { |
| super(verticalAlignment); |
| mContext = context; |
| mResourceId = resourceId; |
| } |
| |
| @Override |
| public Drawable getDrawable() { |
| Drawable drawable = null; |
| |
| if (mDrawable != null) { |
| drawable = mDrawable; |
| } else if (mContentUri != null) { |
| Bitmap bitmap = null; |
| try { |
| InputStream is = mContext.getContentResolver().openInputStream( |
| mContentUri); |
| bitmap = BitmapFactory.decodeStream(is); |
| drawable = new BitmapDrawable(mContext.getResources(), bitmap); |
| drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), |
| drawable.getIntrinsicHeight()); |
| is.close(); |
| } catch (Exception e) { |
| Log.e("sms", "Failed to loaded content " + mContentUri, e); |
| } |
| } else { |
| try { |
| drawable = mContext.getDrawable(mResourceId); |
| drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), |
| drawable.getIntrinsicHeight()); |
| } catch (Exception e) { |
| Log.e("sms", "Unable to find resource: " + mResourceId); |
| } |
| } |
| |
| return drawable; |
| } |
| |
| /** |
| * Returns the source string that was saved during construction. |
| */ |
| public String getSource() { |
| return mSource; |
| } |
| |
| } |