mirror of
https://gitlab.opencode.de/bwi/bundesmessenger/clients/bundesmessenger-ios.git
synced 2026-05-05 23:47:44 +02:00
Moved code under a subdirectory: Console
This commit is contained in:
manuroe
@@ -0,0 +1,578 @@
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/*
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Copyright 2014 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "MXCImageView.h"
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#import "MediaManager.h"
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#import "AppDelegate.h"
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#import "PieChartView.h"
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@interface MXCImageView () {
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NSString *imageURL;
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UIImageOrientation imageOrientation;
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UIImage *currentImage;
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// the loading view is composed with the spinner and a pie chart
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// the spinner is display until progress > 0
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UIView *loadingView;
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UIActivityIndicatorView *waitingDownloadSpinner;
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PieChartView *pieChartView;
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UILabel *progressInfoLabel;
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// validation buttons
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UIButton *leftButton;
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UIButton *rightButton;
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NSString *leftButtonTitle;
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NSString *rightButtonTitle;
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blockMXCImageView_onClick leftHandler;
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blockMXCImageView_onClick rightHandler;
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UIView* bottomBarView;
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// Subviews
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UIScrollView *scrollView;
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UIImageView *imageView;
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BOOL useFullScreen;
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}
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@end
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@implementation MXCImageView
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@synthesize stretchable, mediaFolder;
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#define CUSTOM_IMAGE_VIEW_BUTTON_WIDTH 100
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- (id)initWithFrame:(CGRect)frame {
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self = [super initWithFrame:frame];
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if (self) {
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leftButtonTitle = nil;
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leftHandler = nil;
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rightButtonTitle = nil;
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rightHandler = nil;
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self.backgroundColor = [UIColor blackColor];
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self.contentMode = UIViewContentModeScaleAspectFit;
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self.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleTopMargin;
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}
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return self;
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}
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- (void)dealloc {
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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[self stopActivityIndicator];
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if (loadingView) {
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[loadingView removeFromSuperview];
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loadingView = nil;
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}
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if (bottomBarView) {
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[bottomBarView removeFromSuperview];
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bottomBarView = nil;
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}
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}
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- (void)startActivityIndicator {
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// create the views if they don't exist
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if (!waitingDownloadSpinner) {
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waitingDownloadSpinner = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
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CGRect frame = waitingDownloadSpinner.frame;
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frame.size.width += 30;
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frame.size.height += 30;
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waitingDownloadSpinner.bounds = frame;
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[waitingDownloadSpinner.layer setCornerRadius:5];
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}
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if (!loadingView) {
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loadingView = [[UIView alloc] init];
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loadingView.frame = waitingDownloadSpinner.bounds;
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waitingDownloadSpinner.frame = waitingDownloadSpinner.bounds;
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[loadingView addSubview:waitingDownloadSpinner];
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loadingView.backgroundColor = [UIColor clearColor];
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[self addSubview:loadingView];
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}
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if (!pieChartView) {
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pieChartView = [[PieChartView alloc] init];
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pieChartView.frame = loadingView.bounds;
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pieChartView.progress = 0;
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pieChartView.progressColor = [UIColor colorWithRed:1 green:1 blue:1 alpha:0.25];
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pieChartView.unprogressColor = [UIColor clearColor];
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[loadingView addSubview:pieChartView];
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}
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// display the download statistics
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if (useFullScreen && !progressInfoLabel) {
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progressInfoLabel = [[UILabel alloc] init];
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progressInfoLabel.backgroundColor = [UIColor whiteColor];
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progressInfoLabel.textColor = [UIColor blackColor];
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progressInfoLabel.font = [UIFont systemFontOfSize:8];
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progressInfoLabel.alpha = 0.25;
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progressInfoLabel.text = @"";
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progressInfoLabel.numberOfLines = 0;
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[progressInfoLabel sizeToFit];
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[self addSubview:progressInfoLabel];
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}
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// initvalue
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loadingView.hidden = NO;
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pieChartView.progress = 0;
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// Adjust color
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if ([self.backgroundColor isEqual:[UIColor blackColor]]) {
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waitingDownloadSpinner.activityIndicatorViewStyle = UIActivityIndicatorViewStyleWhite;
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// a preview image could be displayed
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// ensure that the white spinner is visible
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// it could be drawn on a white area
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waitingDownloadSpinner.backgroundColor = [UIColor darkGrayColor];
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} else {
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waitingDownloadSpinner.activityIndicatorViewStyle = UIActivityIndicatorViewStyleGray;
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}
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// ensure that the spinner is drawn at the top
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[loadingView.superview bringSubviewToFront:loadingView];
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// Adjust position
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CGPoint center = CGPointMake(self.frame.size.width / 2, self.frame.size.height / 2);
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loadingView.center = center;
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// Start
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[waitingDownloadSpinner startAnimating];
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}
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- (void)stopActivityIndicator {
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if (waitingDownloadSpinner && waitingDownloadSpinner.isAnimating) {
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[waitingDownloadSpinner stopAnimating];
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}
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pieChartView.progress = 0;
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loadingView.hidden = YES;
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if (progressInfoLabel) {
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[progressInfoLabel removeFromSuperview];
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progressInfoLabel = nil;
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}
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}
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#pragma mark - setters/getters
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- (void)setImage:(UIImage *)anImage {
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currentImage = anImage;
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imageView.image = anImage;
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[self initScrollZoomFactors];
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}
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- (UIImage*)image {
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return currentImage;
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}
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- (void)setFullScreen:(BOOL)fullScreen {
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useFullScreen = fullScreen;
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[self initLayout];
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if (useFullScreen) {
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[self removeFromSuperview];
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[UIApplication sharedApplication].statusBarHidden = YES;
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self.frame = [AppDelegate theDelegate].window.rootViewController.view.bounds;
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[[AppDelegate theDelegate].window.rootViewController.view addSubview:self];
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}
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}
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- (BOOL)fullScreen {
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return useFullScreen;
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}
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#pragma mark -
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- (IBAction)onButtonToggle:(id)sender
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{
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if (sender == leftButton) {
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dispatch_async(dispatch_get_main_queue(), ^{
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leftHandler(self, leftButtonTitle);
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});
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} else if (sender == rightButton) {
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dispatch_async(dispatch_get_main_queue(), ^{
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rightHandler(self, rightButtonTitle);
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});
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}
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}
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// add a generic button to the bottom view
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// return the added UIButton
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- (UIButton*) addbuttonWithTitle:(NSString*)title {
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UIButton* button = [[UIButton alloc] init];
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[button setTitle:title forState:UIControlStateNormal];
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[button setTitle:title forState:UIControlStateHighlighted];
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if (useFullScreen) {
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// use the same text color as the tabbar
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[button setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
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[button setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
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}
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else {
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// use the same text color as the tabbar
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[button setTitleColor:[AppDelegate theDelegate].masterTabBarController.tabBar.tintColor forState:UIControlStateNormal];
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[button setTitleColor:[AppDelegate theDelegate].masterTabBarController.tabBar.tintColor forState:UIControlStateHighlighted];
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}
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// keep the bottomView background color
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button.backgroundColor = [UIColor clearColor];
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[button addTarget:self action:@selector(onButtonToggle:) forControlEvents:UIControlEventTouchUpInside];
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[bottomBarView addSubview:button];
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return button;
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}
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- (void)initScrollZoomFactors {
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// check if the image can be zoomed
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if (self.image && self.stretchable && imageView.frame.size.width && imageView.frame.size.height) {
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// ensure that the content size is properly initialized
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scrollView.contentSize = scrollView.frame.size;
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// compute the appliable zoom factor
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// assume that the user does not expect to zoom more than 100%
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CGSize imageSize = self.image.size;
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CGFloat scaleX = imageSize.width / imageView.frame.size.width;
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CGFloat scaleY = imageSize.height / imageView.frame.size.height;
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if (scaleX < scaleY)
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{
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scaleX = scaleY;
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}
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if (scaleX < 1.0)
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{
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scaleX = 1.0;
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}
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scrollView.zoomScale = 1.0;
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scrollView.minimumZoomScale = 1.0;
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scrollView.maximumZoomScale = scaleX;
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// update the image frame to ensure that it fits to the scrollview frame
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imageView.frame = scrollView.bounds;
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}
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}
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- (void)removeFromSuperview {
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[super removeFromSuperview];
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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if (useFullScreen) {
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[UIApplication sharedApplication].statusBarHidden = NO;
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}
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[self stopActivityIndicator];
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}
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- (void)initLayout {
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// create the subviews if they don't exist
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if (!scrollView) {
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scrollView = [[UIScrollView alloc] init];
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scrollView.delegate = self;
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scrollView.backgroundColor = [UIColor clearColor];
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[self addSubview:scrollView];
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imageView = [[UIImageView alloc] init];
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imageView.backgroundColor = [UIColor clearColor];
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imageView.contentMode = self.contentMode;
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[scrollView addSubview:imageView];
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}
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}
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- (void)layoutSubviews {
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// call upper layer
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[super layoutSubviews];
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[self initLayout];
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// the image has been updated
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if (imageView.image != self.image) {
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imageView.image = self.image;
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}
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CGRect tabBarFrame = [AppDelegate theDelegate].masterTabBarController.tabBar.frame;
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// update the scrollview frame
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CGRect oneSelfFrame = self.frame;
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CGRect scrollViewFrame = CGRectIntegral(scrollView.frame);
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if (leftButtonTitle || rightButtonTitle) {
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oneSelfFrame.size.height -= tabBarFrame.size.height;
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}
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oneSelfFrame = CGRectIntegral(oneSelfFrame);
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oneSelfFrame.origin = scrollViewFrame.origin = CGPointZero;
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// use integral rect to avoid rounded value issue (float precision)
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if (!CGRectEqualToRect(oneSelfFrame, scrollViewFrame)) {
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scrollView.frame = oneSelfFrame;
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imageView.frame = oneSelfFrame;
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[self initScrollZoomFactors];
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}
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// check if the dedicated buttons are already added
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if (leftButtonTitle || rightButtonTitle) {
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if (!bottomBarView) {
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bottomBarView = [[UIView alloc] init];
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if (leftButtonTitle) {
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leftButton = [self addbuttonWithTitle:leftButtonTitle];
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}
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rightButton = [[UIButton alloc] init];
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if (rightButtonTitle) {
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rightButton = [self addbuttonWithTitle:rightButtonTitle];
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}
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// in fullscreen, display both buttons above the view
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if (useFullScreen) {
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bottomBarView.backgroundColor = [UIColor blackColor];
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[self addSubview:bottomBarView];
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}
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// display them above the tabbar
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else {
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// default tabbar background color
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CGFloat base = 248.0 / 255.0f;
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bottomBarView.backgroundColor = [UIColor colorWithRed:base green:base blue:base alpha:1.0];
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[[AppDelegate theDelegate].masterTabBarController.tabBar addSubview:bottomBarView];
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}
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}
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if (useFullScreen) {
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tabBarFrame.origin.y = self.frame.size.height - tabBarFrame.size.height;
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}
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else {
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tabBarFrame.origin.y = 0;
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}
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bottomBarView.frame = tabBarFrame;
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if (leftButton) {
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leftButton.frame = CGRectMake(0, 0, CUSTOM_IMAGE_VIEW_BUTTON_WIDTH, bottomBarView.frame.size.height);
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}
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if (rightButton) {
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rightButton.frame = CGRectMake(bottomBarView.frame.size.width - CUSTOM_IMAGE_VIEW_BUTTON_WIDTH, 0, CUSTOM_IMAGE_VIEW_BUTTON_WIDTH, bottomBarView.frame.size.height);
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}
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}
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if (!loadingView.hidden) {
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// ensure that the spinner is drawn at the top
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[loadingView.superview bringSubviewToFront:loadingView];
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// Adjust positions
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CGPoint center = CGPointMake(self.frame.size.width / 2, self.frame.size.height / 2);
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loadingView.center = center;
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CGRect progressInfoLabelFrame = progressInfoLabel.frame;
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progressInfoLabelFrame.origin.x = center.x - (progressInfoLabelFrame.size.width / 2);
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progressInfoLabelFrame.origin.y = 10 + loadingView.frame.origin.y + loadingView.frame.size.height;
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progressInfoLabel.frame = progressInfoLabelFrame;
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}
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}
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- (void)setHideActivityIndicator:(BOOL)hideActivityIndicator {
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_hideActivityIndicator = hideActivityIndicator;
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if (hideActivityIndicator) {
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[self stopActivityIndicator];
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} else if ([MediaManager existingDownloaderForURL:imageURL inFolder:mediaFolder]) {
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// Loading is in progress, start activity indicator
|
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[self startActivityIndicator];
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}
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}
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- (void)setImageURL:(NSString *)anImageURL withImageOrientation:(UIImageOrientation)orientation andPreviewImage:(UIImage*)previewImage {
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// Remove any pending observers
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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imageURL = anImageURL;
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if (!imageURL) {
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// Set preview by default
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self.image = previewImage;
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return;
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}
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// Store image orientation
|
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imageOrientation = orientation;
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|
||||
// Check whether the image download is in progress
|
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MediaLoader* loader = [MediaManager existingDownloaderForURL:imageURL inFolder:mediaFolder];
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if (loader) {
|
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// Set preview until the image is loaded
|
||||
self.image = previewImage;
|
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// update the progress UI with the current info
|
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[self updateProgressUI:loader.statisticsDict];
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// Add observers
|
||||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onMediaDownloadProgress:) name:kMediaDownloadProgressNotification object:nil];
|
||||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onMediaDownloadEnd:) name:kMediaDownloadDidFinishNotification object:nil];
|
||||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onMediaDownloadEnd:) name:kMediaDownloadDidFailNotification object:nil];
|
||||
} else {
|
||||
// Retrieve the image from cache
|
||||
UIImage* image = [MediaManager loadCachePictureForURL:imageURL inFolder:mediaFolder];
|
||||
if (image) {
|
||||
if (imageOrientation != UIImageOrientationUp) {
|
||||
self.image = [UIImage imageWithCGImage:image.CGImage scale:1.0 orientation:imageOrientation];
|
||||
} else {
|
||||
self.image = image;
|
||||
}
|
||||
|
||||
[self stopActivityIndicator];
|
||||
} else {
|
||||
// Set preview until the image is loaded
|
||||
self.image = previewImage;
|
||||
// Trigger image downloading
|
||||
if (!_hideActivityIndicator) {
|
||||
[self startActivityIndicator];
|
||||
}
|
||||
// Add observers
|
||||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onMediaDownloadProgress:) name:kMediaDownloadProgressNotification object:nil];
|
||||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onMediaDownloadEnd:) name:kMediaDownloadDidFinishNotification object:nil];
|
||||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onMediaDownloadEnd:) name:kMediaDownloadDidFailNotification object:nil];
|
||||
[MediaManager downloadMediaFromURL:imageURL withType:@"image/jpeg" inFolder:mediaFolder];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
- (void)onMediaDownloadEnd:(NSNotification *)notif {
|
||||
// sanity check
|
||||
if ([notif.object isKindOfClass:[NSString class]]) {
|
||||
NSString* url = notif.object;
|
||||
|
||||
if ([url isEqualToString:imageURL]) {
|
||||
[self stopActivityIndicator];
|
||||
// update the image
|
||||
UIImage* image = [MediaManager loadCachePictureForURL:imageURL inFolder:mediaFolder];
|
||||
if (image) {
|
||||
if (imageOrientation != UIImageOrientationUp) {
|
||||
self.image = [UIImage imageWithCGImage:image.CGImage scale:1.0 orientation:imageOrientation];
|
||||
} else {
|
||||
self.image = image;
|
||||
}
|
||||
}
|
||||
// remove the observers
|
||||
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
- (void)updateProgressUI:(NSDictionary*)downloadStatsDict {
|
||||
|
||||
// Sanity check: updateProgressUI may be called while there is no stats available
|
||||
// This happens when the download failed at the very beginning.
|
||||
if (nil == downloadStatsDict) {
|
||||
return;
|
||||
}
|
||||
|
||||
NSNumber* progressNumber = [downloadStatsDict valueForKey:kMediaLoaderProgressRateKey];
|
||||
|
||||
if (progressNumber) {
|
||||
pieChartView.progress = progressNumber.floatValue;
|
||||
waitingDownloadSpinner.hidden = YES;
|
||||
}
|
||||
|
||||
if (progressInfoLabel) {
|
||||
NSString* downloadRate = [downloadStatsDict valueForKey:kMediaLoaderProgressDownloadRateKey];
|
||||
NSString* remaingTime = [downloadStatsDict valueForKey:kMediaLoaderProgressRemaingTimeKey];
|
||||
NSString* progressString = [downloadStatsDict valueForKey:kMediaLoaderProgressStringKey];
|
||||
|
||||
NSMutableString* text = [[NSMutableString alloc] init];
|
||||
|
||||
[text appendString:progressString];
|
||||
|
||||
if (remaingTime) {
|
||||
[text appendFormat:@" (%@)", remaingTime];
|
||||
}
|
||||
|
||||
if (downloadRate) {
|
||||
[text appendFormat:@"\n %@", downloadRate];
|
||||
}
|
||||
|
||||
progressInfoLabel.text = text;
|
||||
|
||||
// on multilines, sizeToFit uses the current width
|
||||
// so reset it
|
||||
progressInfoLabel.frame = CGRectZero;
|
||||
|
||||
[progressInfoLabel sizeToFit];
|
||||
|
||||
//
|
||||
CGRect progressInfoLabelFrame = progressInfoLabel.frame;
|
||||
progressInfoLabelFrame.origin.x = self.center.x - (progressInfoLabelFrame.size.width / 2);
|
||||
progressInfoLabelFrame.origin.y = 10 + loadingView.frame.origin.y + loadingView.frame.size.height;
|
||||
progressInfoLabel.frame = progressInfoLabelFrame;
|
||||
}
|
||||
}
|
||||
|
||||
- (void)onMediaDownloadProgress:(NSNotification *)notif {
|
||||
// sanity check
|
||||
if ([notif.object isKindOfClass:[NSString class]]) {
|
||||
NSString* url = notif.object;
|
||||
|
||||
if ([url isEqualToString:imageURL]) {
|
||||
[self updateProgressUI:notif.userInfo];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#pragma mark - buttons management
|
||||
|
||||
- (void)setLeftButtonTitle: aLeftButtonTitle handler:(blockMXCImageView_onClick)handler {
|
||||
leftButtonTitle = aLeftButtonTitle;
|
||||
leftHandler = handler;
|
||||
}
|
||||
|
||||
- (void)setRightButtonTitle:aRightButtonTitle handler:(blockMXCImageView_onClick)handler {
|
||||
rightButtonTitle = aRightButtonTitle;
|
||||
rightHandler = handler;
|
||||
}
|
||||
|
||||
- (void)dismissSelection {
|
||||
if (bottomBarView) {
|
||||
[bottomBarView removeFromSuperview];
|
||||
bottomBarView = nil;
|
||||
}
|
||||
|
||||
if (useFullScreen) {
|
||||
[UIApplication sharedApplication].statusBarHidden = NO;
|
||||
}
|
||||
}
|
||||
|
||||
#pragma mark - UIScrollViewDelegate
|
||||
// require to be able to zoom an image
|
||||
- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView
|
||||
{
|
||||
return self.stretchable ? imageView : nil;
|
||||
}
|
||||
|
||||
@end
|
||||
Reference in New Issue
Block a user