mirror of
https://gitlab.opencode.de/bwi/bundesmessenger/clients/bundesmessenger-ios.git
synced 2026-04-19 16:13:42 +02:00
Merge MatrixKit develop with commit hash: b85b736313bec0592bd1cabc68035d97f5331137
This commit is contained in:
SBiOSoftWhare
@@ -0,0 +1,925 @@
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/*
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Copyright 2015 OpenMarket Ltd
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Copyright 2017 Vector Creations Ltd
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Copyright 2018 New Vector 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 "MXKImageView.h"
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#import "MXKPieChartView.h"
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#import "MXKAttachment.h"
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#import "MXKTools.h"
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@interface MXKImageView ()
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{
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NSString *mxcURI;
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NSString *mimeType;
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UIImageOrientation imageOrientation;
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// additional settings used in case of thumbnail.
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CGSize thumbnailViewSize;
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MXThumbnailingMethod thumbnailMethod;
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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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MXKPieChartView *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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blockMXKImageView_onClick leftHandler;
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blockMXKImageView_onClick rightHandler;
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UIView* bottomBarView;
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// Subviews
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UIScrollView *scrollView;
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// Current attachment being displayed in the MXKImageView
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MXKAttachment *currentAttachment;
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}
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@end
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@implementation MXKImageView
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@synthesize stretchable, mediaFolder, imageView;
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#define CUSTOM_IMAGE_VIEW_BUTTON_WIDTH 100
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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[self stopActivityIndicator];
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if (loadingView)
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{
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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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{
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[bottomBarView removeFromSuperview];
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bottomBarView = nil;
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}
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pieChartView = nil;
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}
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#pragma mark - Override MXKView
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-(void)customizeViewRendering
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{
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[super customizeViewRendering];
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self.backgroundColor = (_defaultBackgroundColor ? _defaultBackgroundColor : [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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#pragma mark -
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- (void)startActivityIndicator
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{
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// create the views if they don't exist
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if (!waitingDownloadSpinner)
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{
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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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{
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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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{
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pieChartView = [[MXKPieChartView 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 (_fullScreen && !progressInfoLabel)
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{
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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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{
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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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}
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else
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{
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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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{
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if (waitingDownloadSpinner && waitingDownloadSpinner.isAnimating)
|
||||
{
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||||
[waitingDownloadSpinner stopAnimating];
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}
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||||
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pieChartView.progress = 0;
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loadingView.hidden = YES;
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||||
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||||
if (progressInfoLabel)
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||||
{
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||||
[progressInfoLabel removeFromSuperview];
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||||
progressInfoLabel = nil;
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||||
}
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||||
}
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||||
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||||
#pragma mark - setters/getters
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||||
|
||||
- (void)setDefaultBackgroundColor:(UIColor *)defaultBackgroundColor
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||||
{
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_defaultBackgroundColor = defaultBackgroundColor;
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[self customizeViewRendering];
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}
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||||
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- (void)setImage:(UIImage *)anImage
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{
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// remove the observers
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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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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{
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||||
return currentImage;
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}
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- (void)showFullScreen
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{
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// The full screen display mode is supported only if the shared application instance is available.
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UIApplication *sharedApplication = [UIApplication performSelector:@selector(sharedApplication)];
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if (sharedApplication)
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{
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_fullScreen = YES;
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[self initLayout];
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||||
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||||
if (self.superview)
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||||
{
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||||
[super removeFromSuperview];
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||||
}
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||||
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||||
UIWindow *window = [sharedApplication keyWindow];
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||||
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||||
self.frame = window.bounds;
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[window addSubview:self];
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}
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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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{
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dispatch_async(dispatch_get_main_queue(), ^{
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self->leftHandler(self, self->leftButtonTitle);
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});
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}
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else if (sender == rightButton)
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{
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dispatch_async(dispatch_get_main_queue(), ^{
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self->rightHandler(self, 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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{
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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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||||
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||||
if (_fullScreen)
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{
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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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// TODO
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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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||||
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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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||||
{
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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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{
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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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||||
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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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||||
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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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||||
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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
|
||||
{
|
||||
[super removeFromSuperview];
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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if (pieChartView)
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{
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[self stopActivityIndicator];
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}
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}
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|
||||
- (void)initLayout
|
||||
{
|
||||
// create the subviews if they don't exist
|
||||
if (!scrollView)
|
||||
{
|
||||
scrollView = [[UIScrollView alloc] init];
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||||
scrollView.delegate = self;
|
||||
scrollView.backgroundColor = [UIColor clearColor];
|
||||
[self addSubview:scrollView];
|
||||
|
||||
imageView = [[UIImageView alloc] init];
|
||||
imageView.backgroundColor = [UIColor clearColor];
|
||||
imageView.userInteractionEnabled = YES;
|
||||
imageView.contentMode = self.contentMode;
|
||||
[scrollView addSubview:imageView];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)layoutSubviews
|
||||
{
|
||||
// call upper layer
|
||||
[super layoutSubviews];
|
||||
|
||||
[self initLayout];
|
||||
|
||||
// the image has been updated
|
||||
if (imageView.image != self.image)
|
||||
{
|
||||
imageView.image = self.image;
|
||||
}
|
||||
|
||||
CGRect tabBarFrame = CGRectZero;
|
||||
UITabBarController *tabBarController = nil;
|
||||
UIEdgeInsets safeAreaInsets = UIEdgeInsetsZero;
|
||||
|
||||
if (leftButtonTitle || rightButtonTitle)
|
||||
{
|
||||
UIApplication *sharedApplication = [UIApplication performSelector:@selector(sharedApplication)];
|
||||
if (sharedApplication)
|
||||
{
|
||||
safeAreaInsets = [sharedApplication keyWindow].safeAreaInsets;
|
||||
|
||||
UIViewController *rootViewController = [sharedApplication keyWindow].rootViewController;
|
||||
tabBarController = rootViewController.tabBarController;
|
||||
if (!tabBarController && [rootViewController isKindOfClass:[UITabBarController class]])
|
||||
{
|
||||
tabBarController = (UITabBarController*)rootViewController;
|
||||
}
|
||||
}
|
||||
|
||||
if (tabBarController)
|
||||
{
|
||||
tabBarFrame = tabBarController.tabBar.frame;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Define a default tabBar frame
|
||||
tabBarFrame = CGRectMake(0, 0, self.frame.size.width, 44 + safeAreaInsets.bottom);
|
||||
}
|
||||
}
|
||||
|
||||
// update the scrollview frame
|
||||
CGRect oneSelfFrame = self.frame;
|
||||
CGRect scrollViewFrame = CGRectIntegral(scrollView.frame);
|
||||
|
||||
if (leftButtonTitle || rightButtonTitle)
|
||||
{
|
||||
oneSelfFrame.size.height -= tabBarFrame.size.height;
|
||||
}
|
||||
|
||||
oneSelfFrame = CGRectIntegral(oneSelfFrame);
|
||||
oneSelfFrame.origin = scrollViewFrame.origin = CGPointZero;
|
||||
|
||||
// use integral rect to avoid rounded value issue (float precision)
|
||||
if (!CGRectEqualToRect(oneSelfFrame, scrollViewFrame))
|
||||
{
|
||||
scrollView.frame = oneSelfFrame;
|
||||
imageView.frame = oneSelfFrame;
|
||||
|
||||
[self initScrollZoomFactors];
|
||||
}
|
||||
|
||||
// check if the dedicated buttons are already added
|
||||
if (leftButtonTitle || rightButtonTitle)
|
||||
{
|
||||
|
||||
if (!bottomBarView)
|
||||
{
|
||||
bottomBarView = [[UIView alloc] init];
|
||||
|
||||
if (leftButtonTitle)
|
||||
{
|
||||
leftButton = [self addbuttonWithTitle:leftButtonTitle];
|
||||
}
|
||||
|
||||
rightButton = [[UIButton alloc] init];
|
||||
|
||||
if (rightButtonTitle)
|
||||
{
|
||||
rightButton = [self addbuttonWithTitle:rightButtonTitle];
|
||||
}
|
||||
|
||||
// in fullscreen, display both buttons above the view (do the same if there is no tab bar)
|
||||
if (_fullScreen || tabBarController == nil)
|
||||
{
|
||||
bottomBarView.backgroundColor = [UIColor blackColor];
|
||||
[self addSubview:bottomBarView];
|
||||
}
|
||||
else
|
||||
{
|
||||
// default tabbar background color
|
||||
CGFloat base = 248.0 / 255.0f;
|
||||
bottomBarView.backgroundColor = [UIColor colorWithRed:base green:base blue:base alpha:1.0];
|
||||
|
||||
// Display them over the tabbar
|
||||
[tabBarController.tabBar addSubview:bottomBarView];
|
||||
}
|
||||
}
|
||||
|
||||
if (_fullScreen)
|
||||
{
|
||||
tabBarFrame.origin.y = self.frame.size.height - tabBarFrame.size.height;
|
||||
}
|
||||
else
|
||||
{
|
||||
tabBarFrame.origin.y = 0;
|
||||
}
|
||||
bottomBarView.frame = tabBarFrame;
|
||||
|
||||
if (leftButton)
|
||||
{
|
||||
leftButton.frame = CGRectMake(safeAreaInsets.left, 0, CUSTOM_IMAGE_VIEW_BUTTON_WIDTH, bottomBarView.frame.size.height - safeAreaInsets.bottom);
|
||||
}
|
||||
|
||||
if (rightButton)
|
||||
{
|
||||
rightButton.frame = CGRectMake(bottomBarView.frame.size.width - CUSTOM_IMAGE_VIEW_BUTTON_WIDTH - safeAreaInsets.right, 0, CUSTOM_IMAGE_VIEW_BUTTON_WIDTH, bottomBarView.frame.size.height - safeAreaInsets.bottom);
|
||||
}
|
||||
}
|
||||
|
||||
if (!loadingView.hidden)
|
||||
{
|
||||
// ensure that the spinner is drawn at the top
|
||||
[loadingView.superview bringSubviewToFront:loadingView];
|
||||
|
||||
// Adjust positions
|
||||
CGPoint center = CGPointMake(self.frame.size.width / 2, self.frame.size.height / 2);
|
||||
loadingView.center = center;
|
||||
|
||||
CGRect progressInfoLabelFrame = progressInfoLabel.frame;
|
||||
progressInfoLabelFrame.origin.x = center.x - (progressInfoLabelFrame.size.width / 2);
|
||||
progressInfoLabelFrame.origin.y = 10 + loadingView.frame.origin.y + loadingView.frame.size.height;
|
||||
progressInfoLabel.frame = progressInfoLabelFrame;
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setHideActivityIndicator:(BOOL)hideActivityIndicator
|
||||
{
|
||||
_hideActivityIndicator = hideActivityIndicator;
|
||||
if (hideActivityIndicator)
|
||||
{
|
||||
[self stopActivityIndicator];
|
||||
}
|
||||
else if (mxcURI)
|
||||
{
|
||||
NSString *downloadId = [MXMediaManager downloadIdForMatrixContentURI:mxcURI inFolder:mediaFolder];
|
||||
if ([MXMediaManager existingDownloaderWithIdentifier:downloadId])
|
||||
{
|
||||
// Loading is in progress, start activity indicator
|
||||
[self startActivityIndicator];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setImageURI:(NSString *)mxContentURI
|
||||
withType:(NSString *)mimeType
|
||||
andImageOrientation:(UIImageOrientation)orientation
|
||||
previewImage:(UIImage*)previewImage
|
||||
mediaManager:(MXMediaManager*)mediaManager
|
||||
{
|
||||
[self setImageURI:mxContentURI
|
||||
withType:mimeType
|
||||
andImageOrientation:orientation
|
||||
isThumbnail:NO
|
||||
previewImage:previewImage
|
||||
mediaManager:mediaManager];
|
||||
}
|
||||
|
||||
- (void)setImageURI:(NSString *)mxContentURI
|
||||
withType:(NSString *)mimeType
|
||||
andImageOrientation:(UIImageOrientation)orientation
|
||||
toFitViewSize:(CGSize)viewSize
|
||||
withMethod:(MXThumbnailingMethod)thumbnailingMethod
|
||||
previewImage:(UIImage*)previewImage
|
||||
mediaManager:(MXMediaManager*)mediaManager
|
||||
{
|
||||
// Store the thumbnail settings
|
||||
thumbnailViewSize = viewSize;
|
||||
thumbnailMethod = thumbnailingMethod;
|
||||
|
||||
[self setImageURI:mxContentURI
|
||||
withType:mimeType
|
||||
andImageOrientation:orientation
|
||||
isThumbnail:YES
|
||||
previewImage:previewImage
|
||||
mediaManager:mediaManager];
|
||||
}
|
||||
|
||||
- (void)setImageURI:(NSString *)mxContentURI
|
||||
withType:(NSString *)mimeType
|
||||
andImageOrientation:(UIImageOrientation)orientation
|
||||
isThumbnail:(BOOL)isThumbnail
|
||||
previewImage:(UIImage*)previewImage
|
||||
mediaManager:(MXMediaManager*)mediaManager
|
||||
{
|
||||
// Remove any pending observers
|
||||
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
||||
|
||||
// Reset other data
|
||||
currentAttachment = nil;
|
||||
|
||||
mxcURI = mxContentURI;
|
||||
if (!mxcURI)
|
||||
{
|
||||
// Set preview by default
|
||||
self.image = previewImage;
|
||||
return;
|
||||
}
|
||||
|
||||
// Store image orientation
|
||||
imageOrientation = orientation;
|
||||
|
||||
// Store the mime type used to define the cache path of the image.
|
||||
mimeType = mimeType;
|
||||
if (!mimeType.length)
|
||||
{
|
||||
// Set default mime type if no information is available
|
||||
mimeType = @"image/jpeg";
|
||||
}
|
||||
|
||||
// Retrieve the image from cache if any
|
||||
NSString *cacheFilePath;
|
||||
if (isThumbnail)
|
||||
{
|
||||
cacheFilePath = [MXMediaManager thumbnailCachePathForMatrixContentURI:mxcURI
|
||||
andType:mimeType
|
||||
inFolder:mediaFolder
|
||||
toFitViewSize:thumbnailViewSize
|
||||
withMethod:thumbnailMethod];
|
||||
}
|
||||
else
|
||||
{
|
||||
cacheFilePath = [MXMediaManager cachePathForMatrixContentURI:mxcURI
|
||||
andType:mimeType
|
||||
inFolder:mediaFolder];
|
||||
}
|
||||
|
||||
UIImage* image = _enableInMemoryCache ? [MXMediaManager loadThroughCacheWithFilePath:cacheFilePath] : [MXMediaManager loadPictureFromFilePath:cacheFilePath];
|
||||
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;
|
||||
|
||||
// Check whether the image download is in progress
|
||||
NSString *downloadId;
|
||||
if (isThumbnail)
|
||||
{
|
||||
downloadId = [MXMediaManager thumbnailDownloadIdForMatrixContentURI:mxcURI
|
||||
inFolder:mediaFolder
|
||||
toFitViewSize:thumbnailViewSize
|
||||
withMethod:thumbnailMethod];
|
||||
}
|
||||
else
|
||||
{
|
||||
downloadId = [MXMediaManager downloadIdForMatrixContentURI:mxcURI inFolder:mediaFolder];
|
||||
}
|
||||
|
||||
MXMediaLoader* loader = [MXMediaManager existingDownloaderWithIdentifier:downloadId];
|
||||
if (!loader && mediaManager)
|
||||
{
|
||||
// Trigger the download
|
||||
if (isThumbnail)
|
||||
{
|
||||
loader = [mediaManager downloadThumbnailFromMatrixContentURI:mxcURI
|
||||
withType:mimeType
|
||||
inFolder:mediaFolder
|
||||
toFitViewSize:thumbnailViewSize
|
||||
withMethod:thumbnailMethod
|
||||
success:nil
|
||||
failure:nil];
|
||||
}
|
||||
else
|
||||
{
|
||||
loader = [mediaManager downloadMediaFromMatrixContentURI:mxcURI
|
||||
withType:mimeType
|
||||
inFolder:mediaFolder];
|
||||
}
|
||||
}
|
||||
|
||||
if (loader)
|
||||
{
|
||||
// update the progress UI with the current info
|
||||
if (!_hideActivityIndicator)
|
||||
{
|
||||
[self startActivityIndicator];
|
||||
}
|
||||
[self updateProgressUI:loader.statisticsDict];
|
||||
|
||||
[[NSNotificationCenter defaultCenter] removeObserver:self name:kMXMediaLoaderStateDidChangeNotification object:loader];
|
||||
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onMediaLoaderStateDidChange:) name:kMXMediaLoaderStateDidChangeNotification object:loader];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setAttachment:(MXKAttachment *)attachment
|
||||
{
|
||||
// Remove any pending observers
|
||||
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
||||
|
||||
// Set default orientation
|
||||
imageOrientation = UIImageOrientationUp;
|
||||
|
||||
mediaFolder = attachment.eventRoomId;
|
||||
mxcURI = attachment.contentURL;
|
||||
mimeType = attachment.contentInfo[@"mimetype"];
|
||||
if (!mimeType.length)
|
||||
{
|
||||
// Set default mime type if no information is available
|
||||
mimeType = @"image/jpeg";
|
||||
}
|
||||
|
||||
// while we wait for the content to download
|
||||
self.image = [attachment getCachedThumbnail];
|
||||
|
||||
if (!_hideActivityIndicator)
|
||||
{
|
||||
[self startActivityIndicator];
|
||||
}
|
||||
|
||||
currentAttachment = attachment;
|
||||
|
||||
MXWeakify(self);
|
||||
[attachment getImage:^(MXKAttachment *attachment2, UIImage *img) {
|
||||
MXStrongifyAndReturnIfNil(self);
|
||||
|
||||
if (self->currentAttachment != attachment2)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
self.image = img;
|
||||
[self stopActivityIndicator];
|
||||
[[NSNotificationCenter defaultCenter] removeObserver:self name:kMXMediaLoaderStateDidChangeNotification object:nil];
|
||||
} failure:^(MXKAttachment *attachment2, NSError *error) {
|
||||
MXLogDebug(@"Unable to fetch image attachment! %@", error);
|
||||
MXStrongifyAndReturnIfNil(self);
|
||||
|
||||
if (self->currentAttachment != attachment2)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
[self stopActivityIndicator];
|
||||
[[NSNotificationCenter defaultCenter] removeObserver:self name:kMXMediaLoaderStateDidChangeNotification object:nil];
|
||||
}];
|
||||
|
||||
// Check whether the image download is in progress
|
||||
NSString *downloadId = attachment.downloadId;
|
||||
MXMediaLoader* loader = [MXMediaManager existingDownloaderWithIdentifier:downloadId];
|
||||
if (loader)
|
||||
{
|
||||
// Observer this loader to display progress
|
||||
[[NSNotificationCenter defaultCenter] addObserver:self
|
||||
selector:@selector(checkProgressOnMediaLoaderStateChange:)
|
||||
name:kMXMediaLoaderStateDidChangeNotification
|
||||
object:loader];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setAttachmentThumb:(MXKAttachment *)attachment
|
||||
{
|
||||
// Remove any pending observers
|
||||
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
||||
|
||||
// Store image orientation
|
||||
imageOrientation = attachment.thumbnailOrientation;
|
||||
|
||||
mediaFolder = attachment.eventRoomId;
|
||||
|
||||
// Remove the existing image (if any) by using the potential preview.
|
||||
self.image = attachment.previewImage;
|
||||
|
||||
if (!_hideActivityIndicator)
|
||||
{
|
||||
[self startActivityIndicator];
|
||||
}
|
||||
|
||||
currentAttachment = attachment;
|
||||
|
||||
MXWeakify(self);
|
||||
[attachment getThumbnail:^(MXKAttachment *attachment2, UIImage *img) {
|
||||
MXStrongifyAndReturnIfNil(self);
|
||||
|
||||
dispatch_async(dispatch_get_main_queue(), ^{
|
||||
|
||||
if (self->currentAttachment != attachment2)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
if (img && self->imageOrientation != UIImageOrientationUp)
|
||||
{
|
||||
self.image = [UIImage imageWithCGImage:img.CGImage scale:1.0 orientation:self->imageOrientation];
|
||||
}
|
||||
else
|
||||
{
|
||||
self.image = img;
|
||||
}
|
||||
[self stopActivityIndicator];
|
||||
});
|
||||
|
||||
} failure:^(MXKAttachment *attachment2, NSError *error) {
|
||||
MXStrongifyAndReturnIfNil(self);
|
||||
|
||||
dispatch_async(dispatch_get_main_queue(), ^{
|
||||
if (self->currentAttachment != attachment2)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
[self stopActivityIndicator];
|
||||
});
|
||||
}];
|
||||
}
|
||||
|
||||
- (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:kMXMediaLoaderProgressValueKey];
|
||||
|
||||
if (progressNumber)
|
||||
{
|
||||
pieChartView.progress = progressNumber.floatValue;
|
||||
waitingDownloadSpinner.hidden = YES;
|
||||
}
|
||||
|
||||
if (progressInfoLabel)
|
||||
{
|
||||
NSNumber* downloadRate = [downloadStatsDict valueForKey:kMXMediaLoaderCurrentDataRateKey];
|
||||
|
||||
NSNumber* completedBytesCount = [downloadStatsDict valueForKey:kMXMediaLoaderCompletedBytesCountKey];
|
||||
NSNumber* totalBytesCount = [downloadStatsDict valueForKey:kMXMediaLoaderTotalBytesCountKey];
|
||||
|
||||
NSMutableString* text = [[NSMutableString alloc] init];
|
||||
|
||||
if (completedBytesCount && totalBytesCount)
|
||||
{
|
||||
NSString* progressString = [NSString stringWithFormat:@"%@ / %@", [NSByteCountFormatter stringFromByteCount:completedBytesCount.longLongValue countStyle:NSByteCountFormatterCountStyleFile], [NSByteCountFormatter stringFromByteCount:totalBytesCount.longLongValue countStyle:NSByteCountFormatterCountStyleFile]];
|
||||
|
||||
[text appendString:progressString];
|
||||
}
|
||||
|
||||
if (downloadRate)
|
||||
{
|
||||
if (completedBytesCount && totalBytesCount)
|
||||
{
|
||||
CGFloat remainimgTime = ((totalBytesCount.floatValue - completedBytesCount.floatValue)) / downloadRate.floatValue;
|
||||
[text appendFormat:@" (%@)", [MXKTools formatSecondsInterval:remainimgTime]];
|
||||
}
|
||||
|
||||
[text appendFormat:@"\n %@/s", [NSByteCountFormatter stringFromByteCount:downloadRate.longLongValue countStyle:NSByteCountFormatterCountStyleFile]];
|
||||
}
|
||||
|
||||
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)onMediaLoaderStateDidChange:(NSNotification *)notif
|
||||
{
|
||||
MXMediaLoader *loader = (MXMediaLoader*)notif.object;
|
||||
switch (loader.state) {
|
||||
case MXMediaLoaderStateDownloadInProgress:
|
||||
[self updateProgressUI:loader.statisticsDict];
|
||||
break;
|
||||
case MXMediaLoaderStateDownloadCompleted:
|
||||
{
|
||||
[self stopActivityIndicator];
|
||||
// update the image
|
||||
UIImage* image = [MXMediaManager loadPictureFromFilePath:loader.downloadOutputFilePath];
|
||||
if (image)
|
||||
{
|
||||
if (imageOrientation != UIImageOrientationUp)
|
||||
{
|
||||
self.image = [UIImage imageWithCGImage:image.CGImage scale:1.0 orientation:imageOrientation];
|
||||
}
|
||||
else
|
||||
{
|
||||
self.image = image;
|
||||
}
|
||||
}
|
||||
[[NSNotificationCenter defaultCenter] removeObserver:self name:kMXMediaLoaderStateDidChangeNotification object:loader];
|
||||
break;
|
||||
}
|
||||
case MXMediaLoaderStateDownloadFailed:
|
||||
case MXMediaLoaderStateCancelled:
|
||||
[self stopActivityIndicator];
|
||||
[[NSNotificationCenter defaultCenter] removeObserver:self name:kMXMediaLoaderStateDidChangeNotification object:loader];
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
- (void)checkProgressOnMediaLoaderStateChange:(NSNotification *)notif
|
||||
{
|
||||
MXMediaLoader *loader = (MXMediaLoader*)notif.object;
|
||||
switch (loader.state) {
|
||||
case MXMediaLoaderStateDownloadInProgress:
|
||||
[self updateProgressUI:loader.statisticsDict];
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#pragma mark - buttons management
|
||||
|
||||
- (void)setLeftButtonTitle: aLeftButtonTitle handler:(blockMXKImageView_onClick)handler
|
||||
{
|
||||
leftButtonTitle = aLeftButtonTitle;
|
||||
leftHandler = handler;
|
||||
}
|
||||
|
||||
- (void)setRightButtonTitle:aRightButtonTitle handler:(blockMXKImageView_onClick)handler
|
||||
{
|
||||
rightButtonTitle = aRightButtonTitle;
|
||||
rightHandler = handler;
|
||||
}
|
||||
|
||||
- (void)dismissSelection
|
||||
{
|
||||
if (bottomBarView)
|
||||
{
|
||||
[bottomBarView removeFromSuperview];
|
||||
bottomBarView = nil;
|
||||
}
|
||||
}
|
||||
|
||||
#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