kimi
2021-02-18 749a5510a9f014446a3cd6ba57b3cb0cc8148dc1
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package com.mylhyl.circledialog.view;
 
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.view.Gravity;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
 
import com.mylhyl.circledialog.internal.BackgroundHelper;
import com.mylhyl.circledialog.internal.CircleParams;
import com.mylhyl.circledialog.internal.Controller;
import com.mylhyl.circledialog.internal.Controller.OnDialogInternalListener;
import com.mylhyl.circledialog.params.DialogParams;
import com.mylhyl.circledialog.params.PopupParams;
import com.mylhyl.circledialog.res.drawable.TriangleDrawable;
import com.mylhyl.circledialog.view.listener.ItemsView;
 
import java.util.LinkedList;
import java.util.Queue;
 
import androidx.cardview.widget.CardView;
 
import static com.mylhyl.circledialog.params.PopupParams.TRIANGLE_BOTTOM_CENTER;
import static com.mylhyl.circledialog.params.PopupParams.TRIANGLE_BOTTOM_LEFT;
import static com.mylhyl.circledialog.params.PopupParams.TRIANGLE_BOTTOM_RIGHT;
import static com.mylhyl.circledialog.params.PopupParams.TRIANGLE_LEFT_BOTTOM;
import static com.mylhyl.circledialog.params.PopupParams.TRIANGLE_LEFT_CENTER;
import static com.mylhyl.circledialog.params.PopupParams.TRIANGLE_LEFT_TOP;
import static com.mylhyl.circledialog.params.PopupParams.TRIANGLE_RIGHT_BOTTOM;
import static com.mylhyl.circledialog.params.PopupParams.TRIANGLE_RIGHT_CENTER;
import static com.mylhyl.circledialog.params.PopupParams.TRIANGLE_RIGHT_TOP;
import static com.mylhyl.circledialog.params.PopupParams.TRIANGLE_TOP_CENTER;
import static com.mylhyl.circledialog.params.PopupParams.TRIANGLE_TOP_LEFT;
import static com.mylhyl.circledialog.params.PopupParams.TRIANGLE_TOP_RIGHT;
 
/**
 * Created by hupei on 2018/8/15.
 */
 
public final class BuildViewPopupImpl extends AbsBuildView {
 
    private static final int GRAVITY_TOP_CENTER = Gravity.TOP | Gravity.CENTER_HORIZONTAL;
    private static final int GRAVITY_BOTTOM_CENTER = Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL;
    private static final int GRAVITY_LEFT_TOP = Gravity.LEFT | Gravity.TOP;
    private static final int GRAVITY_LEFT_BOTTOM = Gravity.LEFT | Gravity.BOTTOM;
    private static final int GRAVITY_LEFT_CENTER = Gravity.LEFT | Gravity.CENTER_VERTICAL;
    private static final int GRAVITY_RIGHT_TOP = Gravity.RIGHT | Gravity.TOP;
    private static final int GRAVITY_RIGHT_BOTTOM = Gravity.RIGHT | Gravity.BOTTOM;
    private static final int GRAVITY_RIGHT_CENTER = Gravity.RIGHT | Gravity.CENTER_VERTICAL;
 
    private static final float TRIANGLE_WEIGHT = 0.1f;
    private LinearLayout mTriangleLinearLayout;
    private View mTriangleView;
    private ItemsView mItemsView;
    private int mTriangleDirection;
    private int mTriangleGravity;
    private int[] mScreenSize;
    private int mStatusBarHeight;
    private OnDialogInternalListener mDialogInternalListener;
    private Queue<Integer> mRemoveOnLayoutChangeListenerStrategy = new LinkedList<>();
 
    public BuildViewPopupImpl(Context context, OnDialogInternalListener listener, CircleParams params
            , int[] screenSize, int statusBarHeight) {
        super(context, params);
        this.mDialogInternalListener = listener;
        this.mScreenSize = screenSize;
        this.mStatusBarHeight = statusBarHeight;
    }
 
    @Override
    public void buildBodyView() {
        final DialogParams dialogParams = mParams.dialogParams;
        if (dialogParams.width != 1f) {
            dialogParams.width = LayoutParams.WRAP_CONTENT;
        }
        final PopupParams popupParams = mParams.popupParams;
        switch (popupParams.triangleGravity) {
            case TRIANGLE_LEFT_TOP:
                mTriangleDirection = Gravity.LEFT;
                mTriangleGravity = Gravity.TOP;
                dialogParams.gravity = GRAVITY_LEFT_TOP;
                break;
            case TRIANGLE_TOP_LEFT:
                mTriangleDirection = Gravity.TOP;
                mTriangleGravity = Gravity.LEFT;
                dialogParams.gravity = GRAVITY_LEFT_TOP;
                break;
            case TRIANGLE_LEFT_BOTTOM:
                mTriangleDirection = Gravity.LEFT;
                mTriangleGravity = Gravity.BOTTOM;
                dialogParams.gravity = GRAVITY_LEFT_BOTTOM;
                break;
            case TRIANGLE_BOTTOM_LEFT:
                mTriangleDirection = Gravity.BOTTOM;
                mTriangleGravity = Gravity.LEFT;
                dialogParams.gravity = GRAVITY_LEFT_BOTTOM;
                break;
            case TRIANGLE_LEFT_CENTER:
                mTriangleDirection = Gravity.LEFT;
                mTriangleGravity = Gravity.CENTER_VERTICAL;
                dialogParams.gravity = GRAVITY_LEFT_CENTER;
                break;
            case TRIANGLE_RIGHT_TOP:
                mTriangleDirection = Gravity.RIGHT;
                mTriangleGravity = Gravity.TOP;
                dialogParams.gravity = GRAVITY_RIGHT_TOP;
                break;
            case TRIANGLE_TOP_RIGHT:
                mTriangleDirection = Gravity.TOP;
                mTriangleGravity = Gravity.RIGHT;
                dialogParams.gravity = GRAVITY_RIGHT_TOP;
                break;
            case TRIANGLE_RIGHT_BOTTOM:
                mTriangleDirection = Gravity.RIGHT;
                mTriangleGravity = Gravity.BOTTOM;
                dialogParams.gravity = GRAVITY_RIGHT_BOTTOM;
                break;
            case TRIANGLE_BOTTOM_RIGHT:
                mTriangleDirection = Gravity.BOTTOM;
                mTriangleGravity = Gravity.RIGHT;
                dialogParams.gravity = GRAVITY_RIGHT_BOTTOM;
                break;
            case TRIANGLE_RIGHT_CENTER:
                mTriangleDirection = Gravity.RIGHT;
                mTriangleGravity = Gravity.CENTER_VERTICAL;
                dialogParams.gravity = GRAVITY_RIGHT_CENTER;
                break;
            case TRIANGLE_TOP_CENTER:
                mTriangleDirection = Gravity.TOP;
                mTriangleGravity = Gravity.CENTER_HORIZONTAL;
                dialogParams.gravity = GRAVITY_TOP_CENTER;
                break;
            case TRIANGLE_BOTTOM_CENTER:
                mTriangleDirection = Gravity.BOTTOM;
                mTriangleGravity = Gravity.CENTER_HORIZONTAL;
                dialogParams.gravity = GRAVITY_BOTTOM_CENTER;
                break;
        }
 
        View anchorView = popupParams.anchorView;
        final int[] location = new int[2];
        anchorView.getLocationOnScreen(location);
        final int screenWidth = mScreenSize[0];
        final int screenHeight = mScreenSize[1];
 
        int dialogX = mTriangleDirection == Gravity.TOP || mTriangleDirection == Gravity.BOTTOM
                ? anchorView.getWidth() / 2 : anchorView.getWidth();
        if (mTriangleGravity == Gravity.LEFT) {
            dialogX += location[0];
        } else if (mTriangleGravity == Gravity.RIGHT) {
            dialogX = screenWidth - location[0] - dialogX;
        } else if (mTriangleGravity == Gravity.CENTER_HORIZONTAL) {
            dialogX = -1 * (screenWidth / 2 - location[0]) + dialogX;
        } else {
            dialogX += 0;
        }
        dialogParams.xOff = dialogX;
 
        int dialogY;
        if (mTriangleGravity == Gravity.TOP) {
            dialogY = location[1] - mStatusBarHeight + anchorView.getHeight() / 2;
        } else if (mTriangleGravity == Gravity.BOTTOM) {
            dialogY = screenHeight - location[1] - anchorView.getHeight() / 2;
        } else if (mTriangleGravity == Gravity.CENTER_VERTICAL) {
            dialogY = -1 * (screenHeight / 2 - location[1]) - mStatusBarHeight / 2 + anchorView.getHeight() / 2;
        } else {
            if (mTriangleDirection == Gravity.TOP && (mTriangleGravity == Gravity.LEFT
                    || mTriangleGravity == Gravity.RIGHT || mTriangleGravity == Gravity.CENTER_HORIZONTAL)) {
                dialogY = location[1] - mStatusBarHeight + anchorView.getHeight();
            } else {
                dialogY = screenHeight - location[1];
            }
        }
        dialogParams.yOff = dialogY;
 
        LinearLayout rootLinearLayout = createLinearLayout();
        rootLinearLayout.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
        //箭头在左右情况,布局改为水平
        if (mTriangleDirection == Gravity.LEFT || mTriangleDirection == Gravity.RIGHT) {
            rootLinearLayout.setOrientation(LinearLayout.HORIZONTAL);
        }
 
        mRoot = rootLinearLayout;
        if (popupParams.triangleShow) {
            mTriangleLinearLayout = new LinearLayout(mContext);
            mTriangleLinearLayout.setGravity(mTriangleGravity);
            if (mTriangleDirection == Gravity.TOP || mTriangleDirection == Gravity.BOTTOM) {
                LayoutParams layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
                mTriangleLinearLayout.setLayoutParams(layoutParams);
            } else {
                LayoutParams layoutParams = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
                mTriangleLinearLayout.setLayoutParams(layoutParams);
            }
            mTriangleView = new View(mContext);
            mTriangleLinearLayout.addView(mTriangleView);
            int backgroundColor = popupParams.backgroundColor != 0
                    ? popupParams.backgroundColor : dialogParams.backgroundColor;
            Drawable triangleDrawable = new TriangleDrawable(mTriangleDirection, backgroundColor);
            BackgroundHelper.handleBackground(mTriangleView, triangleDrawable);
        }
        CardView cardView = createCardView();
        cardView.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT, 1));
        mItemsView = new BodyRecyclerView(mContext, popupParams, dialogParams);
        final View recyclerView = mItemsView.getView();
        cardView.addView(recyclerView);
 
        if (mTriangleDirection == Gravity.LEFT || mTriangleDirection == Gravity.TOP) {
            if (popupParams.triangleShow) {
                mRoot.addView(mTriangleLinearLayout);
            }
            mRoot.addView(cardView);
        } else {
            mRoot.addView(cardView);
            if (popupParams.triangleShow) {
                mRoot.addView(mTriangleLinearLayout);
            }
        }
        mRoot.addOnLayoutChangeListener(new View.OnLayoutChangeListener() {
            @Override
            public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, int oldTop
                    , int oldRight, int oldBottom) {
                final float dialogWidth = dialogParams.width;
                if (dialogWidth == LayoutParams.WRAP_CONTENT || dialogWidth != LayoutParams.MATCH_PARENT) {
                    dialogParams.width = mRoot.getWidth();
                }
                handleAtLocation(dialogParams, popupParams, bottom, oldBottom, this);
            }
        });
    }
 
    @Override
    public ItemsView getBodyView() {
        return mItemsView;
    }
 
    @Override
    public void refreshContent() {
        if (mItemsView != null) {
            mItemsView.refreshItems();
        }
    }
 
    private void handleAtLocation(DialogParams dialogParams, PopupParams popupParams, int bottom, int oldBottom
            , View.OnLayoutChangeListener layoutChangeListener) {
 
        if (popupParams.triangleShow && mTriangleLinearLayout != null && mTriangleView != null) {
            final LayoutParams triangleViewLayoutParams = (LayoutParams) mTriangleView.getLayoutParams();
            if (popupParams.triangleSize == null) {
                int triangleWidth = (int) (dialogParams.width * TRIANGLE_WEIGHT);
                triangleViewLayoutParams.width = triangleWidth;
                triangleViewLayoutParams.height = triangleWidth;
            } else {
                int[] triangleSize = popupParams.triangleSize;
                triangleViewLayoutParams.width = Controller.dp2px(mContext, triangleSize[0]);
                triangleViewLayoutParams.height = Controller.dp2px(mContext, triangleSize[1]);
            }
 
            if (bottom != 0 && oldBottom != 0 && bottom == oldBottom) {
                popupParams.triangleOffSet = triangleViewLayoutParams.width;
                if (mTriangleGravity == Gravity.LEFT) {
                    triangleViewLayoutParams.leftMargin = popupParams.triangleOffSet;
                } else if (mTriangleGravity == Gravity.TOP) {
                    triangleViewLayoutParams.topMargin = popupParams.triangleOffSet;
                } else if (mTriangleGravity == Gravity.RIGHT) {
                    triangleViewLayoutParams.rightMargin = popupParams.triangleOffSet;
                } else if (mTriangleGravity == Gravity.BOTTOM) {
                    triangleViewLayoutParams.bottomMargin = popupParams.triangleOffSet;
                }
 
                mRemoveOnLayoutChangeListenerStrategy.add(oldBottom);
                boolean removeOnLayoutChangeListener = true;
                if (mRemoveOnLayoutChangeListenerStrategy.size() == 3) {
                    int pollFirst = mRemoveOnLayoutChangeListenerStrategy.poll();
                    while (!mRemoveOnLayoutChangeListenerStrategy.isEmpty()) {
                        Integer poll = mRemoveOnLayoutChangeListenerStrategy.poll();
                        if (poll != null && pollFirst != poll.intValue()) {
                            removeOnLayoutChangeListener = false;
                            break;
                        }
                    }
                    if (removeOnLayoutChangeListener) {
                        mRoot.removeOnLayoutChangeListener(layoutChangeListener);
                    }
                }
                resizeDialogSize(dialogParams, popupParams.anchorView, mTriangleDirection, mTriangleGravity
                        , popupParams.triangleOffSet, triangleViewLayoutParams.width);
            }
            mTriangleView.setLayoutParams(triangleViewLayoutParams);
        } else {
            mRoot.removeOnLayoutChangeListener(layoutChangeListener);
            resizeDialogSize(mParams.dialogParams, popupParams.anchorView, mTriangleDirection, mTriangleGravity
                    , popupParams.triangleOffSet, 0);
        }
    }
 
    private void resizeDialogSize(DialogParams dialogParams, View anchorView, int triangleDirection
            , int triangleGravity, int triangleOffSet, int triangleSize) {
        final View view = anchorView;
        final int[] location = new int[2];
        view.getLocationOnScreen(location);
        final int screenWidth = mScreenSize[0];
        final int screenHeight = mScreenSize[1];
        final int popupHeight = mRoot.getHeight();
 
        if (screenHeight - location[1] < popupHeight) {
 
        }
        int dialogX = triangleDirection == Gravity.TOP || triangleDirection == Gravity.BOTTOM
                ? view.getWidth() / 2 : view.getWidth();
        if (triangleGravity == Gravity.LEFT) {
            dialogX += location[0] - triangleSize / 2 - triangleOffSet;
        } else if (triangleGravity == Gravity.RIGHT) {
            dialogX = screenWidth - location[0] - dialogX - triangleSize / 2 - triangleOffSet;
        } else if (triangleGravity == Gravity.CENTER_HORIZONTAL) {
            dialogX = -1 * (screenWidth / 2 - location[0]) + dialogX;
        } else {
            dialogX += 0;
        }
        dialogParams.xOff = dialogX;
 
        int dialogY;
        if (triangleGravity == Gravity.TOP) {
            dialogY = location[1] - mStatusBarHeight + view.getHeight() / 2 - triangleSize / 2 - triangleOffSet;
        } else if (triangleGravity == Gravity.BOTTOM) {
            dialogY = screenHeight - location[1] - view.getHeight() / 2 - triangleSize / 2 - triangleOffSet;
        } else if (triangleGravity == Gravity.CENTER_VERTICAL) {
            dialogY = -1 * (screenHeight / 2 - location[1]) - mStatusBarHeight / 2 + view.getHeight() / 2;
        } else {
            if (triangleDirection == Gravity.TOP
                    && (triangleGravity == Gravity.LEFT || triangleGravity == Gravity.RIGHT
                    || triangleGravity == Gravity.CENTER_HORIZONTAL)) {
                dialogY = location[1] - mStatusBarHeight + view.getHeight();
            } else {
                dialogY = screenHeight - location[1];
            }
        }
        dialogParams.yOff = dialogY;
 
        if (mDialogInternalListener != null) {
            mDialogInternalListener.dialogAtLocation(dialogParams.xOff, dialogParams.yOff);
        }
    }
}