Initial checkin of AOSP Messaging app.

b/23110861 Change-Id: I9aa980d7569247d6b2ca78f5dcb4502e1eaadb8a
2015-08-12 08:58:28 -07:00
parent 8b3e2b9c1b
commit 461a34b466
1645 changed files with 186271 additions and 0 deletions
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2015 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.messaging.datamodel.media;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.graphics.RectF;
+import android.media.ExifInterface;
+
+import com.android.messaging.util.Assert;
+import com.android.messaging.util.ImageUtils;
+
+import java.io.FileNotFoundException;
+import java.io.InputStream;
+import java.util.List;
+
+/**
+ * Requests a composite image resource. The composite image resource is constructed by first
+ * sequentially requesting a number of sub image resources specified by
+ * {@link CompositeImageRequestDescriptor#getChildRequestDescriptors()}. After this, the
+ * individual sub images are composed into the final image onto their respective target rects
+ * returned by {@link CompositeImageRequestDescriptor#getChildRequestTargetRects()}.
+ */
+public class CompositeImageRequest<D extends CompositeImageRequestDescriptor>
+        extends ImageRequest<D> {
+    private final Bitmap mBitmap;
+    private final Canvas mCanvas;
+    private final Paint mPaint;
+
+    public CompositeImageRequest(final Context context, final D descriptor) {
+        super(context, descriptor);
+        mBitmap = getBitmapPool().createOrReuseBitmap(
+                mDescriptor.desiredWidth, mDescriptor.desiredHeight);
+        mCanvas = new Canvas(mBitmap);
+        mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
+    }
+
+    @Override
+    protected ImageResource loadMediaInternal(List<MediaRequest<ImageResource>> chainedTask) {
+        final List<? extends ImageRequestDescriptor> descriptors =
+                mDescriptor.getChildRequestDescriptors();
+        final List<RectF> targetRects = mDescriptor.getChildRequestTargetRects();
+        Assert.equals(descriptors.size(), targetRects.size());
+        Assert.isTrue(descriptors.size() > 1);
+
+        for (int i = 0; i < descriptors.size(); i++) {
+            final MediaRequest<ImageResource> request =
+                    descriptors.get(i).buildSyncMediaRequest(mContext);
+            // Synchronously request the child image.
+            final ImageResource resource =
+                    MediaResourceManager.get().requestMediaResourceSync(request);
+            if (resource != null) {
+                try {
+                    final RectF avatarDestOnGroup = targetRects.get(i);
+
+                    // Draw the bitmap into a smaller size with a circle mask.
+                    final Bitmap resourceBitmap = resource.getBitmap();
+                    final RectF resourceRect = new RectF(
+                            0, 0, resourceBitmap.getWidth(), resourceBitmap.getHeight());
+                    final Bitmap smallCircleBitmap = getBitmapPool().createOrReuseBitmap(
+                            Math.round(avatarDestOnGroup.width()),
+                            Math.round(avatarDestOnGroup.height()));
+                    final RectF smallCircleRect = new RectF(
+                            0, 0, smallCircleBitmap.getWidth(), smallCircleBitmap.getHeight());
+                    final Canvas smallCircleCanvas = new Canvas(smallCircleBitmap);
+                    ImageUtils.drawBitmapWithCircleOnCanvas(resource.getBitmap(), smallCircleCanvas,
+                            resourceRect, smallCircleRect, null /* bitmapPaint */,
+                            false /* fillBackground */,
+                            ImageUtils.DEFAULT_CIRCLE_BACKGROUND_COLOR /* circleBackgroundColor */,
+                            ImageUtils.DEFAULT_CIRCLE_STROKE_COLOR /* circleStrokeColor */);
+                    final Matrix matrix = new Matrix();
+                    matrix.setRectToRect(smallCircleRect, avatarDestOnGroup,
+                            Matrix.ScaleToFit.FILL);
+                    mCanvas.drawBitmap(smallCircleBitmap, matrix, mPaint);
+                } finally {
+                    resource.release();
+                }
+            }
+        }
+
+        return new DecodedImageResource(getKey(), mBitmap, ExifInterface.ORIENTATION_NORMAL);
+    }
+
+    @Override
+    public int getCacheId() {
+        return BugleMediaCacheManager.AVATAR_IMAGE_CACHE;
+    }
+
+    @Override
+    protected InputStream getInputStreamForResource() throws FileNotFoundException {
+        throw new IllegalStateException("Composite image request doesn't support input stream!");
+    }
+}