Add left drawer

app/src/main/java/com/hippo/ehviewer/widget/DrawerLeftPanel.java

@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2015 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
+ * 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.ehviewer.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Rect;
+import android.os.Bundle;
+import android.os.Parcelable;
+import android.support.annotation.NonNull;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.facebook.drawee.view.SimpleDraweeView;
+import com.hippo.effect.ripple.RippleSalon;
+import com.hippo.ehviewer.R;
+import com.hippo.widget.DrawerListView;
+
+public class DrawerLeftPanel extends LinearLayout {
+
+    private static final String STATE_KEY_SUPER = "super";
+    private static final String STATE_KEY_DRAWER_LIST_VIEW = "drawer_list_view";
+
+    private static final int[] MAX_ATTRS = {android.R.attr.maxWidth};
+
+    private int mMaxWidth = -1;
+
+    private ViewGroup mSuperUserPanel;
+    private ViewGroup mUserPanel;
+    private SimpleDraweeView mAvatar;
+    private TextView mUsename;
+    private TextView mAction;
+    private DrawerListView mDrawerListView;
+
+    private int mFitPaddingTop;
+    private int mFitPaddingBottom;
+
+    private int mSuperUserPanelHeight;
+    private int mUserPanelOriginalPaddingTop;
+    private int mDrawerListViewOriginalPaddingBottom;
+
+    public DrawerLeftPanel(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context, attrs);
+    }
+
+    public DrawerLeftPanel(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(context, attrs);
+    }
+
+    private void init(Context context, AttributeSet attrs) {
+        final TypedArray a = context.obtainStyledAttributes(attrs, MAX_ATTRS);
+        mMaxWidth = a.getDimensionPixelSize(0, -1);
+        a.recycle();
+
+        setOrientation(LinearLayout.VERTICAL);
+
+        LayoutInflater.from(context).inflate(R.layout.widget_drawer_left_panel, this);
+
+        mSuperUserPanel = (ViewGroup) getChildAt(0);
+        mUserPanel = (ViewGroup) mSuperUserPanel.getChildAt(1);
+        mAvatar = (SimpleDraweeView) mUserPanel.getChildAt(0);
+        mUsename = (TextView) mUserPanel.getChildAt(1);
+        mAction = (TextView) mUserPanel.getChildAt(2);
+        mDrawerListView = (DrawerListView) getChildAt(1);
+
+        RippleSalon.addRipple(mAction, false);
+
+        mAvatar.getHierarchy().setPlaceholderImage(R.drawable.theme_primary);
+        mUsename.setText("速度速度加快");
+        mAction.setText("登出");
+
+        mSuperUserPanelHeight = mSuperUserPanel.getLayoutParams().height;
+        mUserPanelOriginalPaddingTop = mUserPanel.getPaddingTop();
+        mDrawerListViewOriginalPaddingBottom = mDrawerListView.getPaddingBottom();
+    }
+
+    public DrawerListView getDrawerListView() {
+        return mDrawerListView;
+    }
+
+    @Override
+    public Parcelable onSaveInstanceState() {
+        final Bundle state = new Bundle();
+        state.putParcelable(STATE_KEY_SUPER, super.onSaveInstanceState());
+        state.putParcelable(STATE_KEY_DRAWER_LIST_VIEW, mDrawerListView.onSaveInstanceState());
+        return state;
+    }
+
+    @Override
+    public void onRestoreInstanceState(Parcelable state) {
+        if (state instanceof Bundle) {
+            final Bundle savedState = (Bundle) state;
+            super.onRestoreInstanceState(savedState.getParcelable(STATE_KEY_SUPER));
+            mDrawerListView.onRestoreInstanceState(savedState.getParcelable(STATE_KEY_DRAWER_LIST_VIEW));
+        }
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec);
+
+        if (mMaxWidth > 0) {
+            widthSpecSize = Math.min(mMaxWidth, widthSpecSize);
+            widthMeasureSpec = MeasureSpec.makeMeasureSpec(widthSpecSize,
+                    MeasureSpec.EXACTLY);
+        }
+
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    }
+
+    @SuppressWarnings("deprecation")
+    @Override
+    protected boolean fitSystemWindows(@NonNull Rect insets) {
+        int fitPaddingTop = insets.top;
+        int fitPaddingBottom = insets.bottom;
+
+        if (mFitPaddingTop != fitPaddingTop) {
+            mFitPaddingTop = fitPaddingTop;
+
+            ViewGroup.LayoutParams lp = mSuperUserPanel.getLayoutParams();
+            lp.height = mSuperUserPanelHeight + fitPaddingTop;
+            mSuperUserPanel.setLayoutParams(lp);
+
+            mUserPanel.setPadding(mUserPanel.getPaddingLeft(),
+                    mUserPanelOriginalPaddingTop + fitPaddingTop,
+                    mUserPanel.getPaddingRight(),
+                    mUserPanel.getPaddingBottom());
+        }
+
+        if (mFitPaddingBottom != fitPaddingBottom) {
+            mDrawerListView.setPadding(mDrawerListView.getPaddingLeft(),
+                    mDrawerListView.getPaddingTop(),
+                    mDrawerListView.getPaddingRight(),
+                    mDrawerListViewOriginalPaddingBottom + fitPaddingBottom);
+        }
+
+        insets.set(insets.left, 0, insets.right, 0);
+
+        return super.fitSystemWindows(insets);
+    }
+}