package com.special.ResideMenu;
import java.util.ArrayList;
import java.util.List;
import android.content.Context;
import android.content.res.Configuration;
import android.graphics.Rect;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.util.DisplayMetrics;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AnimationUtils;
import android.widget.FrameLayout;
import android.widget.ImageView;
import com.nineoldandroids.animation.Animator;
import com.nineoldandroids.animation.AnimatorSet;
import com.nineoldandroids.animation.ObjectAnimator;
import com.nineoldandroids.view.ViewHelper;
import com.qmusic.R;
/**
* Improved by Weicheng Mail:weicheng.qian@hotmail.com User: special Date:
* 13-12-10 Time: 下午10:44 Mail: specialcyci@gmail.com
*/
public class ResideMenu extends FrameLayout {
static final String TAG = "ResideMenu";
public static final int DIRECTION_LEFT = 0;
public static final int DIRECTION_RIGHT = 1;
private static final int PRESSED_MOVE_HORIZANTAL = 2;
private static final int PRESSED_DOWN = 3;
private static final int PRESSED_DONE = 4;
private static final int PRESSED_MOVE_VERTICAL = 5;
private ImageView imageViewShadow;
private ImageView imageViewBackground;
private FragmentActivity activity;
/** the decorview of the activity */
private ViewGroup viewDecor;
/** the viewgroup of the activity */
private TouchDisableView viewActivity;
/** the flag of menu open status */
private boolean isOpened;
private float shadowAdjustScaleX;
private float shadowAdjustScaleY;
/** the view which don't want to intercept touch event */
private List<View> ignoredViews;
private DisplayMetrics displayMetrics = new DisplayMetrics();
private float lastRawX;
private boolean isInIgnoredView = false;
private int scaleDirection = DIRECTION_LEFT;
private int pressedState = PRESSED_DOWN;
private List<Integer> disabledSwipeDirection = new ArrayList<Integer>();
// valid scale factor is between 0.0f and 1.0f.
private float mScaleValue = 0.5f;
private Fragment leftFragment, rightFragment;
private OnMenuListener onMenuListener;
public ResideMenu(Context context) {
super(context);
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
inflater.inflate(R.layout.residemenu, this);
imageViewShadow = (ImageView) findViewById(R.id.residemenu_shadow);
imageViewBackground = (ImageView) findViewById(R.id.residemenu_background);
}
@Override
protected boolean fitSystemWindows(Rect insets) {
// Applies the content insets to the view's padding, consuming that
// content (modifying the insets to be 0),
// and returning true. This behavior is off by default and can be
// enabled through setFitsSystemWindows(boolean)
// in api14+ devices.
this.setPadding(viewActivity.getPaddingLeft() + insets.left, viewActivity.getPaddingTop() + insets.top, viewActivity.getPaddingRight() + insets.right,
viewActivity.getPaddingBottom() + insets.bottom);
insets.left = insets.top = insets.right = insets.bottom = 0;
return true;
}
/**
* use the method to set up the activity which residemenu need to show;
*
* @param activity
*/
public void attachToActivity(FragmentActivity activity) {
this.activity = activity;
ignoredViews = new ArrayList<View>();
viewDecor = (ViewGroup) activity.getWindow().getDecorView();
viewActivity = new TouchDisableView(this.activity);
View mContent = viewDecor.getChildAt(0);
viewDecor.removeViewAt(0);
viewActivity.setContent(mContent);
addView(viewActivity);
setShadowAdjustScaleXByOrientation();
viewDecor.addView(this, 0);
}
private void setShadowAdjustScaleXByOrientation() {
int orientation = getResources().getConfiguration().orientation;
if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
shadowAdjustScaleX = 0.034f;
shadowAdjustScaleY = 0.12f;
} else if (orientation == Configuration.ORIENTATION_PORTRAIT) {
shadowAdjustScaleX = 0.06f;
shadowAdjustScaleY = 0.07f;
}
}
public void setMenuListener(OnMenuListener listener) {
this.onMenuListener = listener;
}
/**
* set the menu background picture;
*
* @param imageResrouce
*/
public void setBackground(int imageResrouce) {
imageViewBackground.setImageResource(imageResrouce);
}
/**
* the visiblity of shadow under the activity view;
*
* @param isVisible
*/
public void setShadowVisible(boolean isVisible) {
if (isVisible)
imageViewShadow.setBackgroundResource(R.drawable.shadow);
else
imageViewShadow.setBackgroundResource(0);
}
/**
* add a single items;
*
* @param menuItem
* @param direction
*/
public void addMenuItem(Fragment fragment, int direction) {
if (direction == DIRECTION_LEFT) {
this.leftFragment = fragment;
} else {
this.rightFragment = fragment;
}
}
/**
* get the menu items;
*
* @return
*/
public Fragment getMenuFragment(int direction) {
if (direction == DIRECTION_LEFT)
return leftFragment;
else
return rightFragment;
}
/**
* show the reside menu;
*/
public void openMenu(int direction) {
setScaleDirection(direction);
isOpened = true;
AnimatorSet scaleDown_activity = buildScaleDownAnimation(viewActivity, mScaleValue, mScaleValue);
AnimatorSet scaleDown_shadow = buildScaleDownAnimation(imageViewShadow, mScaleValue + shadowAdjustScaleX, mScaleValue + shadowAdjustScaleY);
AnimatorSet alpha_menu = buildMenuAnimation(1.0f);
scaleDown_shadow.addListener(animationListener);
scaleDown_activity.playTogether(scaleDown_shadow);
scaleDown_activity.playTogether(alpha_menu);
scaleDown_activity.start();
}
/**
* close the menu;
*/
public void closeMenu() {
isOpened = false;
AnimatorSet scaleUp_activity = buildScaleUpAnimation(viewActivity, 1.0f, 1.0f);
AnimatorSet scaleUp_shadow = buildScaleUpAnimation(imageViewShadow, 1.0f, 1.0f);
AnimatorSet alpha_menu = buildMenuAnimation(0.0f);
scaleUp_activity.addListener(animationListener);
scaleUp_activity.playTogether(scaleUp_shadow);
scaleUp_activity.playTogether(alpha_menu);
scaleUp_activity.start();
}
public void setSwipeDirectionDisable(int direction) {
disabledSwipeDirection.add(direction);
}
private boolean isInDisableDirection(int direction) {
return disabledSwipeDirection.contains(direction);
}
private void setScaleDirection(int direction) {
int screenWidth = getScreenWidth();
float pivotX;
float pivotY = getScreenHeight() * 0.5f;
if (direction == DIRECTION_LEFT) {
pivotX = screenWidth * 1.5f;
} else {
pivotX = screenWidth * -0.5f;
}
ViewHelper.setPivotX(viewActivity, pivotX);
ViewHelper.setPivotY(viewActivity, pivotY);
ViewHelper.setPivotX(imageViewShadow, pivotX);
ViewHelper.setPivotY(imageViewShadow, pivotY);
scaleDirection = direction;
}
/**
* return the flag of menu status;
*
* @return
*/
public boolean isOpened() {
return isOpened;
}
private OnClickListener viewActivityOnClickListener = new OnClickListener() {
@Override
public void onClick(View view) {
if (isOpened())
closeMenu();
}
};
private Animator.AnimatorListener animationListener = new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
if (isOpened()) {
showScrollViewMenu();
if (onMenuListener != null)
onMenuListener.openMenu();
}
}
@Override
public void onAnimationEnd(Animator animation) {
// reset the view;
if (isOpened()) {
viewActivity.setTouchDisable(true);
viewActivity.setOnClickListener(viewActivityOnClickListener);
} else {
viewActivity.setTouchDisable(false);
viewActivity.setOnClickListener(null);
hideScrollViewMenu();
if (onMenuListener != null)
onMenuListener.closeMenu();
}
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
};
/**
* a helper method to build scale down animation;
*
* @param target
* @param targetScaleX
* @param targetScaleY
* @return
*/
private AnimatorSet buildScaleDownAnimation(View target, float targetScaleX, float targetScaleY) {
AnimatorSet scaleDown = new AnimatorSet();
scaleDown.playTogether(ObjectAnimator.ofFloat(target, "scaleX", targetScaleX), ObjectAnimator.ofFloat(target, "scaleY", targetScaleY));
scaleDown.setInterpolator(AnimationUtils.loadInterpolator(activity, android.R.anim.decelerate_interpolator));
scaleDown.setDuration(250);
return scaleDown;
}
/**
* a helper method to build scale up animation;
*
* @param target
* @param targetScaleX
* @param targetScaleY
* @return
*/
private AnimatorSet buildScaleUpAnimation(View target, float targetScaleX, float targetScaleY) {
AnimatorSet scaleUp = new AnimatorSet();
scaleUp.playTogether(ObjectAnimator.ofFloat(target, "scaleX", targetScaleX), ObjectAnimator.ofFloat(target, "scaleY", targetScaleY));
scaleUp.setDuration(250);
return scaleUp;
}
private AnimatorSet buildMenuAnimation(float alpha) {
AnimatorSet alphaAnimation = new AnimatorSet();
View view = null;
if (scaleDirection == DIRECTION_LEFT) {
if (leftFragment != null) {
view = leftFragment.getView();
}
} else {
if (rightFragment != null) {
view = rightFragment.getView();
}
}
if (view != null) {
alphaAnimation.playTogether(ObjectAnimator.ofFloat(view, "alpha", alpha));
alphaAnimation.setDuration(250);
}
return alphaAnimation;
}
/**
* if there ware some view you don't want reside menu to intercept their
* touch event,you can use the method to set.
*
* @param v
*/
public void addIgnoredView(View v) {
ignoredViews.add(v);
}
/**
* remove the view from ignored view list;
*
* @param v
*/
public void removeIgnoredView(View v) {
ignoredViews.remove(v);
}
/**
* clear the ignored view list;
*/
public void clearIgnoredViewList() {
ignoredViews.clear();
}
/**
* if the motion evnent was relative to the view which in ignored view
* list,return true;
*
* @param ev
* @return
*/
private boolean isInIgnoredView(MotionEvent ev) {
Rect rect = new Rect();
for (View v : ignoredViews) {
v.getGlobalVisibleRect(rect);
if (rect.contains((int) ev.getX(), (int) ev.getY()))
return true;
}
return false;
}
private void setScaleDirectionByRawX(float currentRawX) {
if (currentRawX < lastRawX)
setScaleDirection(DIRECTION_RIGHT);
else
setScaleDirection(DIRECTION_LEFT);
}
private float getTargetScale(float currentRawX) {
float scaleFloatX = ((currentRawX - lastRawX) / getScreenWidth()) * 0.75f;
scaleFloatX = scaleDirection == DIRECTION_RIGHT ? -scaleFloatX : scaleFloatX;
float targetScale = ViewHelper.getScaleX(viewActivity) - scaleFloatX;
targetScale = targetScale > 1.0f ? 1.0f : targetScale;
targetScale = targetScale < 0.5f ? 0.5f : targetScale;
return targetScale;
}
private float lastActionDownX, lastActionDownY;
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
float currentActivityScaleX = ViewHelper.getScaleX(viewActivity);
if (currentActivityScaleX == 1.0f) {
setScaleDirectionByRawX(ev.getRawX());
}
switch (ev.getAction()) {
case MotionEvent.ACTION_DOWN:
lastActionDownX = ev.getX();
lastActionDownY = ev.getY();
isInIgnoredView = isInIgnoredView(ev) && !isOpened();
pressedState = PRESSED_DOWN;
break;
case MotionEvent.ACTION_MOVE:
if (isInIgnoredView || isInDisableDirection(scaleDirection))
break;
if (pressedState != PRESSED_DOWN && pressedState != PRESSED_MOVE_HORIZANTAL)
break;
int xOffset = (int) (ev.getX() - lastActionDownX);
int yOffset = (int) (ev.getY() - lastActionDownY);
if (pressedState == PRESSED_DOWN) {
if (yOffset > 25 || yOffset < -25) {
pressedState = PRESSED_MOVE_VERTICAL;
break;
}
if (xOffset < -50 || xOffset > 50) {
pressedState = PRESSED_MOVE_HORIZANTAL;
ev.setAction(MotionEvent.ACTION_CANCEL);
}
} else if (pressedState == PRESSED_MOVE_HORIZANTAL) {
if (currentActivityScaleX < 0.95) {
showScrollViewMenu();
}
float targetScale = getTargetScale(ev.getRawX());
ViewHelper.setScaleX(viewActivity, targetScale);
ViewHelper.setScaleY(viewActivity, targetScale);
ViewHelper.setScaleX(imageViewShadow, targetScale + shadowAdjustScaleX);
ViewHelper.setScaleY(imageViewShadow, targetScale + shadowAdjustScaleY);
if (scaleDirection == DIRECTION_LEFT) {
if (leftFragment != null) {
View view = leftFragment.getView();
if (view != null) {
ViewHelper.setAlpha(view, (1 - targetScale) * 2.0f);
}
}
} else {
if (rightFragment != null) {
View view = rightFragment.getView();
if (view != null) {
ViewHelper.setAlpha(view, (1 - targetScale) * 2.0f);
}
}
}
lastRawX = ev.getRawX();
return true;
}
break;
case MotionEvent.ACTION_UP:
if (isInIgnoredView)
break;
if (pressedState != PRESSED_MOVE_HORIZANTAL)
break;
pressedState = PRESSED_DONE;
if (isOpened()) {
if (currentActivityScaleX > 0.56f)
closeMenu();
else
openMenu(scaleDirection);
} else {
if (currentActivityScaleX < 0.94f) {
openMenu(scaleDirection);
} else {
closeMenu();
}
}
break;
}
lastRawX = ev.getRawX();
return super.dispatchTouchEvent(ev);
}
public int getScreenHeight() {
activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
return displayMetrics.heightPixels;
}
public int getScreenWidth() {
activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
return displayMetrics.widthPixels;
}
public void setScaleValue(float scaleValue) {
this.mScaleValue = scaleValue;
}
private void showScrollViewMenu() {
FragmentManager fragmentManager = activity.getSupportFragmentManager();
FragmentTransaction transaction = fragmentManager.beginTransaction();
if (scaleDirection == DIRECTION_LEFT) {
if (rightFragment != null && rightFragment.isAdded()) {
transaction.hide(rightFragment);
}
if (leftFragment.isAdded()) {
transaction.show(leftFragment);
} else {
transaction.add(R.id.residemenu_content, leftFragment);
}
} else if (scaleDirection == DIRECTION_RIGHT) {
if (leftFragment != null && leftFragment.isAdded()) {
transaction.hide(leftFragment);
}
if (rightFragment.isAdded()) {
transaction.show(rightFragment);
} else {
transaction.add(R.id.residemenu_content, rightFragment);
}
}
transaction.commit();
}
private void hideScrollViewMenu() {
FragmentManager fragmentManager = activity.getSupportFragmentManager();
FragmentTransaction transaction = fragmentManager.beginTransaction();
if (leftFragment != null && leftFragment.isVisible()) {
transaction.hide(leftFragment);
}
if (leftFragment != null && rightFragment.isVisible()) {
transaction.hide(rightFragment);
}
transaction.commit();
}
public static interface OnMenuListener {
/**
* the method will call on the finished time of opening menu's
* animation.
*/
public void openMenu();
/**
* the method will call on the finished time of closing menu's animation
* .
*/
public void closeMenu();
}
}