First import

.gitignore

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+# Xcode
+build/*
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+*.xcworkspace
+!default.xcworkspace
+xcuserdata
+profile
+*.moved-aside

BWStatusBarOverlay/BWStatusBarOverlay.h

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+//
+// Created by Bruno Wernimont on 2012
+// Copyright 2012 BWLongTextViewController
+//
+// 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
+// distributed under the License is distributed on an "AS IS" BASIS,
+// 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.
+//
+
+#import <Foundation/Foundation.h>
+
+@class BWStatusBarOverlay;
+
+typedef void (^BWStatusBarBasicBlock)(void);
+
+typedef enum {
+    BWStatusBarOverlayAnimationTypeNone, /* No animation */
+    BWStatusBarOverlayAnimationTypeFromTop, /* Element appear from top */
+    BWStatusBarOverlayAnimationTypeFade /* Element appear with alpha transition */
+} BWStatusBarOverlayAnimationType;
+
+typedef enum {
+    BWStatusBarOverlayStatusSuccess, /* Show success overlay */
+    BWStatusBarOverlayStatusError /* Show error overlay */
+} BWStatusBarOverlayStatus;
+
+@interface BWStatusBarOverlay : UIWindow {
+    UIView *_progressView;
+}
+
+@property (nonatomic, assign) float progress;
+
+@property (nonatomic, readonly) UIView *contentView;
+
+/**
+ TextLabel readonly property
+ */
+@property (nonatomic, readonly) UILabel *textLabel; 
+
+/**
+ StatusLabel used to show status
+ Not implemented yet
+ */
+@property (nonatomic, readonly) UILabel *statusLabel;
+
+/**
+ Activity view readonly property
+ */
+@property (nonatomic, readonly) UIActivityIndicatorView *activityView;
+
+/**
+ Animation type from overlay
+ */
+@property (nonatomic, assign) BWStatusBarOverlayAnimationType animation;
+
+/**
+ Background color from progress view
+ */
+@property (nonatomic, assign) UIColor *progressBackgroundColor;
+
+/**
+ Block that will be execute if user press the overlay
+ */
+@property (nonatomic, copy) BWStatusBarBasicBlock actionBlock;
+
+/**
+ Return a shared instance of BWStatusBarOverlay class
+ 
+ @return Return a shared instance of BWStatusBarOverlay class
+ */
++ (BWStatusBarOverlay *)shared;
+
+/**
+ Show the overlay on the status bar with a message
+ 
+ @param message Message that will appear on the label
+ @param loading Show an activity view
+ @param animated Show with an animation
+ */
+- (void)showWithMessage:(NSString *)message loading:(BOOL)loading animated:(BOOL)animated;
+
+/**
+ Show the overlay on the status bar with a message
+ 
+ @param message Message that will appear on the label
+ @param animated Show with an animation
+ */
+- (void)showWithMessage:(NSString *)message animated:(BOOL)animated;
+
+/**
+ Show the overlay on the status bar with a message and activity view
+ 
+ @param message Message that will appear on the label
+ @param animated Show with an animation
+ */
+- (void)showLoadingWithMessage:(NSString *)message animated:(BOOL)animated;
+
+/**
+ Change the text message
+ 
+ @param message Message that will appear on the label
+ @param animated Show the message with an animation
+ */
+- (void)setMessage:(NSString *)message animated:(BOOL)animated;
+
+/**
+ Show message with a success icon
+ 
+ @param message Message that will appear on the label
+ @param duration Time in second after the message will be hidden
+ @param animated Show the message with an animation
+ */
+- (void)showSuccessWithMessage:(NSString *)message duration:(NSTimeInterval)duration animated:(BOOL)animated;
+
+/**
+ Show message with a error icon
+ 
+ @param message Message that will appear on the label
+ @param duration Time in second after the message will be hidden
+ @param animated Show the message with an animation
+ */
+- (void)showErrorWithMessage:(NSString *)message duration:(NSTimeInterval)duration animated:(BOOL)animated;
+
+/**
+ Hide the overlay from status bar
+ 
+ @param animated Hide with an animation
+ */
+- (void)dismissAnimated:(BOOL)animated;
+
+/**
+ Hide the overlay from status bar with an animation
+ */
+- (void)dismissAnimated;
+
+/**
+ Hide the overlay from status bar without animation
+ */
+- (void)dismiss;
+
+/**
+ Change the progress value
+ 
+ @param progress Progression value between 1 and 0
+ @param animated Change value with animation
+ */
+- (void)setProgress:(float)progress animated:(BOOL)animated;
+
+/**
+ Show the activity view
+ 
+ @param show Show or hide activity
+ @param animated Show or hide with an animation
+ */
+- (void)showActivity:(BOOL)show animated:(BOOL)animated;
+
+/**
+ Change the background color from overlay
+ 
+ @param backgroundColor Background color from overlay
+ */
+- (void)setBackgroundColor:(UIColor *)backgroundColor;
+
+/**
+ Change overlay style
+ 
+ @param statusBarStyle @see UIStatusBarStyle
+ @param animated Animate status bar style change
+ */
+- (void)setStatusBarStyle:(UIStatusBarStyle)statusBarStyle animated:(BOOL)animated;
+
+/* Class methods */
+
++ (void)showWithMessage:(NSString *)message loading:(BOOL)loading animated:(BOOL)animated;
+
++ (void)showWithMessage:(NSString *)message animated:(BOOL)animated;
+
++ (void)showLoadingWithMessage:(NSString *)message animated:(BOOL)animated;
+
++ (void)setMessage:(NSString *)message animated:(BOOL)animated;
+
++ (void)showSuccessWithMessage:(NSString *)message duration:(NSTimeInterval)duration animated:(BOOL)animated;
+
++ (void)showErrorWithMessage:(NSString *)message duration:(NSTimeInterval)duration animated:(BOOL)animated;
+
++ (void)dismissAnimated:(BOOL)animated;
+
++ (void)dismissAnimated;
+
++ (void)dismiss;
+
++ (void)setAnimation:(BWStatusBarOverlayAnimationType)animation;
+
++ (void)setProgress:(float)progress animated:(BOOL)animated;
+
++ (void)showActivity:(BOOL)show animated:(BOOL)animated;
+
++ (void)setBackgroundColor:(UIColor *)backgroundColor;
+
++ (void)setStatusBarStyle:(UIStatusBarStyle)statusBarStyle animated:(BOOL)animated;
+
++ (void)setActionBlock:(BWStatusBarBasicBlock)actionBlock;
+
++ (void)setProgressBackgroundColor:(UIColor *)backgroundColor;
+
+@end