82 lines
2.2 KiB
Java
82 lines
2.2 KiB
Java
/*
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* Copyright 2015 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.ehviewer.gallery;
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import android.graphics.Bitmap;
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public interface GalleryProvider {
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/**
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* There is no worker to get the page now.
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* There is no guarantee that the {@link GalleryProviderListener} will be
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* called, so do some reactions after get it.
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*/
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Object RESULT_NONE = new Object();
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/**
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* Worker failed to get the page
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* There is no guarantee that the {@link GalleryProviderListener} will be
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* called, so do some reactions after get it.
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*/
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Object RESULT_FAILED = new Object();
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/**
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* {@link GalleryProviderListener} will be calls soon.
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*/
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Object RESULT_WAIT = new Object();
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/**
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* Request is out of range
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*/
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Object RESULT_OUT_OF_RANGE = new Object();
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/**
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* Request special index page
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*
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* @param index the index to request
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* @return Might be on of {@link #RESULT_NONE}, {@link #RESULT_FAILED},
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* {@link #RESULT_WAIT}, {@link #RESULT_OUT_OF_RANGE}. It could be
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* {@link Float} it means the percent of getting the page
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*/
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Object request(int index);
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/**
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* Just like {@link #request(int)}, but it ignores cache or local file
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*
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* @param index the index to request
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* @return just like {@link #request(int)}
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*/
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Object forceRequest(int index);
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/**
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* Gallery provider may fails, so we need
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*/
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void restart();
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void retry();
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int size();
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void setPause(boolean pause);
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void releaseBitmap(Bitmap bitmap);
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void addGalleryProviderListener(GalleryProviderListener listener);
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void removeGalleryProviderListener(GalleryProviderListener listener);
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}
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