From e3a04138f73eafde91db86d521be93ac090512e3 Mon Sep 17 00:00:00 2001
From: chimingzi <chimingzi@126.com>
Date: Wed, 24 Apr 2019 16:50:43 +0800
Subject: [PATCH] =?UTF-8?q?20190424=20=E6=B7=BB=E5=8A=A0=E4=BA=86=E5=85=A8?=
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---
 .../ESPictureBrowser/ESPictureBrowser.h           |  7 +++++++
 .../ESPictureBrowser/ESPictureBrowser.m           | 15 +++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/ESPictureBrowserDemo/ESPictureBrowserDemo/ESPictureBrowser/ESPictureBrowser.h b/ESPictureBrowserDemo/ESPictureBrowserDemo/ESPictureBrowser/ESPictureBrowser.h
index e709d87..e6d5474 100644
--- a/ESPictureBrowserDemo/ESPictureBrowserDemo/ESPictureBrowser/ESPictureBrowser.h
+++ b/ESPictureBrowserDemo/ESPictureBrowserDemo/ESPictureBrowser/ESPictureBrowser.h
@@ -38,6 +38,13 @@
 - (NSString *)pictureView:(ESPictureBrowser *)pictureBrowser highQualityUrlStringForIndex:(NSInteger)index;
 
 @optional
+/**
+ 是否允许在打开图片浏览器时隐藏状态栏
+ 
+ @param pictureBrowser 图片浏览器
+ @return 是否允许的布尔值
+ */
+-(BOOL)pictureViewShouldAllowHideStatusBar:(ESPictureBrowser *)pictureBrowser;
 
 /**
  获取对应索引的视图
diff --git a/ESPictureBrowserDemo/ESPictureBrowserDemo/ESPictureBrowser/ESPictureBrowser.m b/ESPictureBrowserDemo/ESPictureBrowserDemo/ESPictureBrowser/ESPictureBrowser.m
index db50adc..d976059 100644
--- a/ESPictureBrowserDemo/ESPictureBrowserDemo/ESPictureBrowser/ESPictureBrowser.m
+++ b/ESPictureBrowserDemo/ESPictureBrowserDemo/ESPictureBrowser/ESPictureBrowser.m
@@ -41,6 +41,8 @@ @interface ESPictureBrowser()<UIScrollViewDelegate, ESPictureViewDelegate>
 @property (nonatomic, weak) UILabel *pageTextLabel;
 /// 消失的 tap 手势
 @property (nonatomic, weak) UITapGestureRecognizer *dismissTapGes;
+/// 唤起照片浏览器前的keywindow的层级,用于隐藏状态栏
+@property(nonatomic, assign) CGFloat windowLevelBeforeBrowserShown;
 
 
 @end
@@ -107,6 +109,15 @@ - (void)showFromView:(UIView *)fromView picturesCount:(NSInteger)picturesCount c
     [self setPageText:currentPictureIndex];
     // 添加到 window 上
     [[UIApplication sharedApplication].keyWindow addSubview:self];
+    // 隐藏状态栏
+    if([_delegate respondsToSelector:@selector(pictureViewShouldAllowHideStatusBar:)])
+    {
+        if([_delegate pictureViewShouldAllowHideStatusBar:self])
+        {
+            self.windowLevelBeforeBrowserShown = [UIApplication sharedApplication].keyWindow.windowLevel;
+            [UIApplication sharedApplication].keyWindow.windowLevel = UIWindowLevelAlert;
+        }
+    }
     // 计算 scrollView 的 contentSize
     self.scrollView.contentSize = CGSizeMake(picturesCount * _scrollView.frame.size.width, _scrollView.frame.size.height);
     // 滚动到指定位置
@@ -163,6 +174,10 @@ - (void)dismiss {
         self.backgroundColor = [UIColor clearColor];
         self.pageTextLabel.alpha = 0;
     } completionBlock:^{
+        // 恢复状态栏
+        if([self.delegate respondsToSelector:@selector(pictureViewShouldAllowHideStatusBar:)]
+           && [self.delegate pictureViewShouldAllowHideStatusBar:self])
+            [UIApplication sharedApplication].keyWindow.windowLevel = self.windowLevelBeforeBrowserShown;
         [self removeFromSuperview];
     }];
 }