Inline hippo's glcomponents

* Replace android support with androidx as well

app/src/main/java/com/hippo/glgallery/SimpleAdapter.java

@@ -0,0 +1,163 @@
+/*
+ * Copyright 2016 Hippo Seven
+ *
+ * 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.hippo.glgallery;
+
+import androidx.annotation.NonNull;
+
+import com.hippo.glview.image.ImageTexture;
+import com.hippo.glview.image.ImageWrapper;
+import com.hippo.glview.view.GLRootView;
+
+public class SimpleAdapter extends GalleryView.Adapter implements GalleryProvider.Listener {
+
+    private final GalleryProvider mProvider;
+    private final ImageTexture.Uploader mUploader;
+    private boolean mShowIndex = true;
+
+    public SimpleAdapter(@NonNull GLRootView glRootView, @NonNull GalleryProvider provider) {
+        mProvider = provider;
+        mUploader = new ImageTexture.Uploader(glRootView);
+    }
+
+    public void clearUploader() {
+        mUploader.clear();
+    }
+
+    public void setShowIndex(boolean show) {
+        mShowIndex = show;
+    }
+
+    @Override
+    public void onBind(GalleryPageView view, int index) {
+        mProvider.request(index);
+        view.showInfo();
+        view.setImage(null);
+        if (mShowIndex) {
+            view.setPage(index + 1);
+        } else {
+            view.hidePage();
+        }
+        view.setProgress(GalleryPageView.PROGRESS_INDETERMINATE);
+        view.setError(null, null);
+    }
+
+    @Override
+    public void onUnbind(GalleryPageView view, int index) {
+        mProvider.cancelRequest(index);
+        view.setImage(null);
+        view.setError(null, null);
+    }
+
+    @Override
+    public String getError() {
+        return mProvider.getError();
+    }
+
+    @Override
+    public int size() {
+        return mProvider.size();
+    }
+
+    @Override
+    public void onDataChanged() {
+        mGalleryView.onDataChanged();
+    }
+
+    @Override
+    public void onPageWait(int index) {
+        GalleryPageView page = findPageByIndex(index);
+        if (page != null) {
+            page.showInfo();
+            page.setImage(null);
+            if (mShowIndex) {
+                page.setPage(index + 1);
+            } else {
+                page.hidePage();
+            }
+            page.setProgress(GalleryPageView.PROGRESS_INDETERMINATE);
+            page.setError(null, null);
+        }
+    }
+
+    @Override
+    public void onPagePercent(int index, float percent) {
+        GalleryPageView page = findPageByIndex(index);
+        if (page != null) {
+            page.showInfo();
+            page.setImage(null);
+            if (mShowIndex) {
+                page.setPage(index + 1);
+            } else {
+                page.hidePage();
+            }
+            page.setProgress(percent);
+            page.setError(null, null);
+        }
+    }
+
+    @Override
+    public void onPageSucceed(int index, ImageWrapper image) {
+        GalleryPageView page = findPageByIndex(index);
+        if (page != null) {
+            if (image.obtain()) {
+                ImageTexture imageTexture = new ImageTexture(image);
+                mUploader.addTexture(imageTexture);
+                page.showImage();
+                page.setImage(imageTexture);
+                if (mShowIndex) {
+                    page.setPage(index + 1);
+                } else {
+                    page.hidePage();
+                }
+                page.setProgress(GalleryPageView.PROGRESS_GONE);
+                page.setError(null, null);
+            } else {
+                // The image is recycled, request again.
+                // TODO request loop ?
+                mProvider.request(index);
+            }
+        }
+    }
+
+    @Override
+    public void onPageFailed(int index, String error) {
+        GalleryPageView page = findPageByIndex(index);
+        if (page != null) {
+            page.showInfo();
+            page.setImage(null);
+            if (mShowIndex) {
+                page.setPage(index + 1);
+            } else {
+                page.hidePage();
+            }
+            page.setProgress(GalleryPageView.PROGRESS_GONE);
+            page.setError(error, mGalleryView);
+        }
+    }
+
+    @Override
+    public void onDataChanged(int index) {
+        GalleryPageView page = findPageByIndex(index);
+        if (page != null) {
+            mProvider.request(index);
+        }
+    }
+
+    private GalleryPageView findPageByIndex(int index) {
+        return mGalleryView != null ? mGalleryView.findPageByIndex(index) : null;
+    }
+}