yenru0/EhViewer
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seven332 committed 2015-05-12 01:10:09 +08:00
1 parent 4ef644837f
commit a5bcad9296
15 files changed
+429 -45
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app/src/main/java/com/hippo/ehviewer/widget/ContentLayout.java
+93 -22
View File
@@ -16,6 +16,8 @@
package com.hippo.ehviewer.widget;
import android.content.Context;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v7.widget.RecyclerView;
import android.util.AttributeSet;
import android.view.LayoutInflater;
@@ -27,6 +29,7 @@ import android.widget.TextView;
import com.hippo.effect.ViewTransition;
import com.hippo.ehviewer.R;
import com.hippo.util.AssertUtils;
import com.hippo.util.IntIdGenerator;
import com.hippo.util.LayoutManagerUtils;
import com.hippo.util.UiUtils;
@@ -47,6 +50,8 @@ public class ContentLayout extends FrameLayout {
private TextView mTextView;
private Snackbar mSnackbar;
private ContentHelper mContentHelper;
private int mRecyclerViewOriginTop;
private int mRecyclerViewOriginBottom;
private int mSnackbarOriginBottom;
@@ -83,12 +88,6 @@ public class ContentLayout extends FrameLayout {
// Snackbar
mSnackbarOriginBottom = mSnackbar.getPaddingBottom();
mSnackbar.setAction(context.getString(R.string.retry), new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO
}
});
}
public EasyRecyclerView getRecyclerView() {
@@ -96,6 +95,7 @@ public class ContentLayout extends FrameLayout {
}
public void setHelper(ContentHelper helper) {
mContentHelper = helper;
helper.init(this);
}
@@ -115,10 +115,25 @@ public class ContentLayout extends FrameLayout {
mSnackbar.setPadding(mSnackbar.getPaddingLeft(), mSnackbar.getPaddingTop(), mSnackbar.getPaddingRight(), mSnackbarOriginBottom + fitPaddingBottom);
}
@Override
public Parcelable onSaveInstanceState() {
return mContentHelper.onSaveInstanceState(super.onSaveInstanceState());
}
@Override
public void onRestoreInstanceState(Parcelable state) {
super.onRestoreInstanceState(mContentHelper.onRestoreInstanceState(state));
}
public abstract static class ContentHelper<E, VH extends RecyclerView.ViewHolder>
extends EasyRecyclerView.Adapter<VH>
implements RefreshLayout.OnHeaderRefreshListener,
RefreshLayout.OnFooterRefreshListener {
RefreshLayout.OnFooterRefreshListener, View.OnClickListener {
private static final String STATE_KEY_SUPER = "super";
private static final String STATE_KEY_SHOWN_VIEW = "shown_view";
private static final String STATE_KEY_RECYCLER_VIEW = "recycler_view";
private static final String STATE_KEY_TIP_MESSAGE = "tip_message";
public static final int TYPE_REFRESH = 0;
public static final int TYPE_PRE_PAGE = 1;
@@ -127,6 +142,8 @@ public class ContentLayout extends FrameLayout {
public static final int TYPE_NEXT_PAGE_KEEP_POS = 4;
public static final int TYPE_SOMEWHERE = 5;
private Context mContext;
private ProgressBar mProgressBar;
private ViewGroup mTipView;
private RefreshLayout mRefreshLayout;
@@ -168,6 +185,7 @@ public class ContentLayout extends FrameLayout {
private int mCurrentPage;
private int mPageVolume;
// TODO save mCurrentTaskId mCurrentTaskType mCurrentTaskPage
private int mCurrentTaskId;
private int mCurrentTaskType;
private int mCurrentTaskPage;
@@ -204,11 +222,17 @@ public class ContentLayout extends FrameLayout {
}
};
public ContentHelper() {
public ContentHelper(Context context) {
mContext = context;
mData = new ArrayList<>();
mIdGenerator = IntIdGenerator.create();
}
protected ContentHelper(Context context, List<E> data) {
this(context);
mData.addAll(data);
}
private void init(ContentLayout contentLayout) {
mProgressBar = contentLayout.mProgressBar;
mTipView = contentLayout.mTipView;
@@ -227,10 +251,19 @@ public class ContentLayout extends FrameLayout {
mRecyclerView.addOnScrollListener(mOnScrollListener);
mRefreshLayout.setOnHeaderRefreshListener(this);
mRefreshLayout.setOnFooterRefreshListener(this);
mTipView.setOnClickListener(this);
mSnackbar.setAction(mContext.getString(R.string.retry), this);
}
protected List<E> getData() {
return mData;
}
protected abstract RecyclerView.LayoutManager generateLayoutManager();
protected abstract void onScrollToPosition();
public void showContent() {
mViewTransition.showView(0);
}
@@ -272,6 +305,10 @@ public class ContentLayout extends FrameLayout {
return mPageSize;
}
public int getCurrentPage() {
return mCurrentPage;
}
public void resetPageSize() {
mPageSize = Integer.MAX_VALUE;
}
@@ -295,6 +332,7 @@ public class ContentLayout extends FrameLayout {
mRecyclerView.stopScroll();
LayoutManagerUtils.scrollToPositionWithOffset(mLayoutManager, 0, 0);
onScrollToPosition();
break;
case TYPE_PRE_PAGE:
case TYPE_PRE_PAGE_KEEP_POS:
@@ -313,6 +351,7 @@ public class ContentLayout extends FrameLayout {
mRecyclerView.stopScroll();
LayoutManagerUtils.scrollToPositionWithOffset(mLayoutManager, 0, 0);
onScrollToPosition();
}
break;
case TYPE_NEXT_PAGE:
@@ -329,6 +368,7 @@ public class ContentLayout extends FrameLayout {
mRecyclerView.stopScroll();
LayoutManagerUtils.scrollToPositionWithOffset(mLayoutManager, mFirstIndex, 0);
onScrollToPosition();
}
break;
case TYPE_SOMEWHERE:
@@ -344,6 +384,7 @@ public class ContentLayout extends FrameLayout {
mRecyclerView.stopScroll();
LayoutManagerUtils.scrollToPositionWithOffset(mLayoutManager, 0, 0);
onScrollToPosition();
break;
}
}
@@ -385,6 +426,13 @@ public class ContentLayout extends FrameLayout {
}
}
@Override
public void onClick(View v) {
if (v == mTipView) {
refreshWithSameSearch();
}
}
private void doRefresh() {
mCurrentTaskId = mIdGenerator.nextId();
mCurrentTaskType = TYPE_REFRESH;
@@ -421,20 +469,12 @@ public class ContentLayout extends FrameLayout {
}
}
/**
* Only work when data is loaded
*/
public void goToTopAndRefresh() {
if (mViewTransition.getShownViewIndex() == 0 &&
!mRefreshLayout.isRefreshing()) {
// Go to top
mRecyclerView.stopScroll();
mLayoutManager.smoothScrollToPosition(mRecyclerView, null, 0);
// Show header refresh
mRefreshLayout.setHeaderRefreshing(true);
// Do refresh
doRefresh();
}
public void cancelCurrentTask() {
mCurrentTaskId = mIdGenerator.nextId();
}
public boolean canGoTo() {
return mViewTransition.getShownViewIndex() == 0;
}
/**
@@ -444,23 +484,35 @@ public class ContentLayout extends FrameLayout {
if (page < 0 || page >= mPageSize) {
throw new IndexOutOfBoundsException("Page size is " + mPageSize + ", page is " + page);
} else if (page >= mFirstPage && page < mLastPage) {
cancelCurrentTask();
mCurrentPage = page;
mFirstIndex = mPageVolume * (page - mFirstPage);
mLastIndex = mFirstIndex + mPageVolume;
int position = mFirstIndex;
mRecyclerView.stopScroll();
LayoutManagerUtils.scrollToPositionWithOffset(mLayoutManager, position, 0);
onScrollToPosition();
} else if (page == mFirstPage - 1) {
mRefreshLayout.setFooterRefreshing(false);
mRefreshLayout.setHeaderRefreshing(true);
mCurrentTaskId = mIdGenerator.nextId();
mCurrentTaskType = TYPE_PRE_PAGE;
mCurrentTaskPage = page;
getPageData(mCurrentTaskId, mCurrentTaskType, mCurrentTaskPage);
} else if (page == mLastPage) {
mRefreshLayout.setFooterRefreshing(false);
mRefreshLayout.setHeaderRefreshing(true);
mCurrentTaskId = mIdGenerator.nextId();
mCurrentTaskType = TYPE_NEXT_PAGE;
mCurrentTaskPage = page;
getPageData(mCurrentTaskId, mCurrentTaskType, mCurrentTaskPage);
} else {
mRefreshLayout.setFooterRefreshing(false);
mRefreshLayout.setHeaderRefreshing(true);
mCurrentTaskId = mIdGenerator.nextId();
mCurrentTaskType = TYPE_SOMEWHERE;
mCurrentTaskPage = page;
@@ -478,11 +530,30 @@ public class ContentLayout extends FrameLayout {
mLastIndex = mPageVolume;
mRecyclerView.stopScroll();
LayoutManagerUtils.scrollToPositionWithOffset(mLayoutManager, 0, 0);
onScrollToPosition();
}
@Override
public int getItemCount() {
return mData.size();
}
protected Parcelable onSaveInstanceState(Parcelable superParcelable) {
final Bundle state = new Bundle();
state.putParcelable(STATE_KEY_SUPER, superParcelable);
state.putInt(STATE_KEY_SHOWN_VIEW, mViewTransition.getShownViewIndex());
state.putParcelable(STATE_KEY_RECYCLER_VIEW, mRecyclerView.onSaveInstanceState());
state.putString(STATE_KEY_TIP_MESSAGE, mTextView.getText().toString());
return state;
}
protected Parcelable onRestoreInstanceState(Parcelable state) {
AssertUtils.assertInstanceof("state must be Bundle", state, Bundle.class);
final Bundle savedState = (Bundle) state;
mViewTransition.showView(savedState.getInt(STATE_KEY_SHOWN_VIEW), false);
mRecyclerView.onRestoreInstanceState(savedState.getParcelable(STATE_KEY_RECYCLER_VIEW));
mTextView.setText(savedState.getString(STATE_KEY_TIP_MESSAGE));
return savedState.getParcelable(STATE_KEY_SUPER);
}
}
}