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Add the pitch to zoom gesture to a zoomed image

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This commit is contained in:
ylecollen
2015-01-06 09:41:44 +01:00
parent 62bb0aad45
commit 66bee3a228
3 changed files with 162 additions and 41 deletions
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matrixConsole/ViewController/RoomViewController.m
+51 -38
View File
@@ -85,6 +85,9 @@ NSString *const kCmdResetUserPowerLevel = @"/deop";
// Local echo
NSMutableArray *pendingOutgoingEvents;
NSMutableArray *tmpCachedAttachments;
// the left bar button is replaced by a custom one when the image is zoomed
UIBarButtonItem* defaultLeftBarButtonItem;
}
@property (weak, nonatomic) IBOutlet UINavigationItem *roomNavItem;
@@ -837,6 +840,7 @@ NSString *const kCmdResetUserPowerLevel = @"/deop";
NSString *url = content[@"url"];
if (url.length) {
highResImage = [[CustomImageView alloc] initWithFrame:self.membersView.frame];
highResImage.canBeZoomed = YES;
highResImage.imageURL = url;
[self.view addSubview:highResImage];
@@ -847,6 +851,8 @@ NSString *const kCmdResetUserPowerLevel = @"/deop";
[highResImage addGestureRecognizer:tap];
highResImage.userInteractionEnabled = YES;
defaultLeftBarButtonItem = self.navigationItem.leftBarButtonItem;
// add a button to close the ImageView
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]
initWithTitle:@"Close"
@@ -2203,13 +2209,13 @@ NSString *const kCmdResetUserPowerLevel = @"/deop";
[self.imageValidationView dismissSelection];
[self.imageValidationView removeFromSuperview];
self.imageValidationView = nil;
self.navigationItem.leftBarButtonItem = nil;
self.navigationItem.leftBarButtonItem = defaultLeftBarButtonItem;
}
if (highResImage) {
[highResImage removeFromSuperview];
highResImage = nil;
self.navigationItem.leftBarButtonItem = nil;
self.navigationItem.leftBarButtonItem = defaultLeftBarButtonItem;
}
}
@@ -2225,43 +2231,50 @@ NSString *const kCmdResetUserPowerLevel = @"/deop";
// so add a preview to let the user validates his selection
if (picker.sourceType == UIImagePickerControllerSourceTypePhotoLibrary) {
self.imageValidationView = [[CustomImageView alloc] initWithFrame:self.membersView.frame];
// the user validates the image
[self.imageValidationView setRightButtonTitle:@"OK" handler:^(CustomImageView* imageView, NSString* buttonTitle) {
// dismiss the image view
[weakSelf dismissCustomImageView];
[weakSelf sendImage:selectedImage];
}];
// the user wants to use an other image
[self.imageValidationView setLeftButtonTitle:@"Cancel" handler:^(CustomImageView* imageView, NSString* buttonTitle) {
// dismiss the image view
[weakSelf dismissCustomImageView];
// Open again media gallery
UIImagePickerController *mediaPicker = [[UIImagePickerController alloc] init];
mediaPicker.delegate = weakSelf;
mediaPicker.sourceType = picker.sourceType;
mediaPicker.allowsEditing = NO;
mediaPicker.mediaTypes = [NSArray arrayWithObjects:(NSString *)kUTTypeImage, (NSString *)kUTTypeMovie, nil];
[[AppDelegate theDelegate].masterTabBarController presentMediaPicker:mediaPicker];
}];
self.imageValidationView.image = selectedImage;
// add a button to close the ImageView
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]
initWithTitle:@"Close"
style:UIBarButtonItemStylePlain
target:self
action:@selector(dismissCustomImageView)];
// wait that the media picker is dismissed to have the valid membersView frame
// else it would include a status bar height offset
dispatch_async(dispatch_get_main_queue(), ^{
[self.view addSubview:self.imageValidationView];
self.imageValidationView = [[CustomImageView alloc] initWithFrame:self.membersView.frame];
self.imageValidationView.canBeZoomed = YES;
// the user validates the image
[self.imageValidationView setRightButtonTitle:@"OK" handler:^(CustomImageView* imageView, NSString* buttonTitle) {
// dismiss the image view
[weakSelf dismissCustomImageView];
[weakSelf sendImage:selectedImage];
}];
// the user wants to use an other image
[self.imageValidationView setLeftButtonTitle:@"Cancel" handler:^(CustomImageView* imageView, NSString* buttonTitle) {
// dismiss the image view
[weakSelf dismissCustomImageView];
// Open again media gallery
UIImagePickerController *mediaPicker = [[UIImagePickerController alloc] init];
mediaPicker.delegate = weakSelf;
mediaPicker.sourceType = picker.sourceType;
mediaPicker.allowsEditing = NO;
mediaPicker.mediaTypes = [NSArray arrayWithObjects:(NSString *)kUTTypeImage, (NSString *)kUTTypeMovie, nil];
[[AppDelegate theDelegate].masterTabBarController presentMediaPicker:mediaPicker];
}];
self.imageValidationView.image = selectedImage;
defaultLeftBarButtonItem = self.navigationItem.leftBarButtonItem;
// add a button to close the ImageView
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]
initWithTitle:@"Close"
style:UIBarButtonItemStylePlain
target:self
action:@selector(dismissCustomImageView)];
dispatch_async(dispatch_get_main_queue(), ^{
[self.view addSubview:self.imageValidationView];
});
});
} else {
[weakSelf sendImage:selectedImage];