499 lines
16 KiB
Objective-C
499 lines
16 KiB
Objective-C
//
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// GooglePlusSampleShareViewController.m
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//
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// Copyright 2012 Google Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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 "GooglePlusSampleShareViewController.h"
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#import "GooglePlusSampleAppDelegate.h"
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@interface GooglePlusSampleShareViewController()
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- (void)animateKeyboard:(NSNotification *)notification
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shouldShow:(BOOL)shouldShow;
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- (void)layout;
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- (void)placeView:(UIView *)view x:(CGFloat)x y:(CGFloat)y;
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- (void)populateTextFields;
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@end
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@implementation GooglePlusSampleShareViewController
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@synthesize attachDeepLinkSwitch = attachDeepLinkSwitch_;
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@synthesize deepLinkDescription = deepLinkDescription_;
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@synthesize deepLinkID = deepLinkID_;
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@synthesize deepLinkTitle = deepLinkTitle_;
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@synthesize deepLinkThumbnailURL = deepLinkThumbnailURL_;
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@synthesize sharePrefillText = sharePrefillText_;
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@synthesize shareURL = shareURL_;
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@synthesize shareStatus = shareStatus_;
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@synthesize shareToolbar = shareToolbar_;
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@synthesize shareScrollView = shareScrollView_;
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@synthesize shareView = shareView_;
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@synthesize attachDeepLinkDataLabel = attachDeepLinkDataLabel_;
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@synthesize urlToShareLabel = urlToShareLabel_;
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@synthesize prefillTextLabel = prefillTextLabel_;
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@synthesize deepLinkIDLabel = deepLinkIDLabel_;
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@synthesize deepLinkTitleLabel = deepLinkTitleLabel_;
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@synthesize deepLinkDescriptionLabel = deepLinkDescriptionLabel_;
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@synthesize deepLinkThumbnailURLLabel = deepLinkThumbnailURLLabel_;
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@synthesize shareButton = shareButton_;
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@synthesize urlForDeepLinkMetadataSwitch = urlForDeepLinkMetadataSwitch_;
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@synthesize urlForDeepLinkMetadataLabel = urlForDeepLinkMetadataLabel_;
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- (void)dealloc {
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[attachDeepLinkSwitch_ release];
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[deepLinkID_ release];
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[deepLinkTitle_ release];
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[deepLinkDescription_ release];
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[deepLinkThumbnailURL_ release];
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[sharePrefillText_ release];
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[shareURL_ release];
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[shareStatus_ release];
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[share_ release];
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[shareToolbar_ release];
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[shareScrollView_ release];
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[shareView_ release];
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[attachDeepLinkDataLabel_ release];
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[urlToShareLabel_ release];
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[prefillTextLabel_ release];
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[deepLinkIDLabel_ release];
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[deepLinkTitleLabel_ release];
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[deepLinkDescriptionLabel_ release];
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[deepLinkThumbnailURLLabel_ release];
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[shareButton_ release];
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[urlForDeepLinkMetadataSwitch_ release];
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[urlForDeepLinkMetadataLabel_ release];
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[super dealloc];
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}
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#pragma mark - View lifecycle
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- (void)viewDidLoad {
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// Set up Google+ share dialog.
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GooglePlusSampleAppDelegate *appDelegate = (GooglePlusSampleAppDelegate *)
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[[UIApplication sharedApplication] delegate];
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NSString *clientID = [GooglePlusSampleAppDelegate clientID];
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share_ = [[GPPShare alloc] initWithClientID:clientID];
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share_.delegate = self;
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appDelegate.share = share_;
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[attachDeepLinkSwitch_ setOn:NO];
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[self layout];
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[self populateTextFields];
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[super viewDidLoad];
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}
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- (void)viewDidUnload {
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GooglePlusSampleAppDelegate *appDelegate = (GooglePlusSampleAppDelegate *)
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[[UIApplication sharedApplication] delegate];
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appDelegate.share = nil;
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share_.delegate = nil;
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[share_ release];
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share_ = nil;
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[[NSNotificationCenter defaultCenter]
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removeObserver:self
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name:UIKeyboardWillShowNotification
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object:nil];
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[[NSNotificationCenter defaultCenter]
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removeObserver:self
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name:UIKeyboardWillHideNotification
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object:nil];
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[self setAttachDeepLinkSwitch:nil];
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[self setDeepLinkID:nil];
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[self setDeepLinkTitle:nil];
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[self setDeepLinkDescription:nil];
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[self setDeepLinkThumbnailURL:nil];
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[self setShareScrollView:nil];
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[self setShareView:nil];
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[self setShareToolbar:nil];
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[self setAttachDeepLinkDataLabel:nil];
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[self setUrlToShareLabel:nil];
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[self setPrefillTextLabel:nil];
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[self setDeepLinkIDLabel:nil];
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[self setDeepLinkTitleLabel:nil];
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[self setDeepLinkDescriptionLabel:nil];
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[self setDeepLinkThumbnailURLLabel:nil];
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[self setShareButton:nil];
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[self setUrlForDeepLinkMetadataSwitch:nil];
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[self setUrlForDeepLinkMetadataLabel:nil];
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[super viewDidUnload];
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}
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- (void)viewWillAppear:(BOOL)animated {
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if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad){
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shareScrollView_.frame = self.view.frame;
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}
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[super viewWillAppear:animated];
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// Register for keyboard notifications while visible.
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[[NSNotificationCenter defaultCenter]
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addObserver:self
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selector:@selector(keyboardWillShow:)
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name:UIKeyboardWillShowNotification
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object:nil];
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[[NSNotificationCenter defaultCenter]
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addObserver:self
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selector:@selector(keyboardWillHide:)
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name:UIKeyboardWillHideNotification
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object:nil];
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}
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- (void)viewWillDisappear:(BOOL)animated {
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// Unregister for keyboard notifications while not visible.
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[[NSNotificationCenter defaultCenter]
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removeObserver:self
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name:UIKeyboardWillShowNotification
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object:nil];
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[[NSNotificationCenter defaultCenter]
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removeObserver:self
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name:UIKeyboardWillHideNotification
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object:nil];
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[super viewWillDisappear:animated];
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}
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#pragma mark - UITextFieldDelegate
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- (BOOL)textFieldShouldReturn:(UITextField *)textField {
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[textField resignFirstResponder];
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return YES;
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}
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- (void)textFieldDidBeginEditing:(UITextField *)textField {
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activeField_ = textField;
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}
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- (void)textFieldDidEndEditing:(UITextField *)textField {
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activeField_ = nil;
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}
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#pragma mark - GPPShareDelegate
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- (void)finishedSharing:(BOOL)shared {
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NSString *text = shared ? @"Success" : @"Canceled";
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shareStatus_.text = [NSString stringWithFormat:@"Status: %@", text];
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}
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#pragma mark - UIActionSheetDelegate
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- (void)actionSheet:(UIActionSheet *)actionSheet
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didDismissWithButtonIndex:(NSInteger)buttonIndex {
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if (buttonIndex == 0) {
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[self shareButton:nil];
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} else if (buttonIndex == 1) {
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shareStatus_.text = @"Status: Sharing...";
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MFMailComposeViewController *picker =
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[[[MFMailComposeViewController alloc] init] autorelease];
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picker.mailComposeDelegate = self;
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[picker setSubject:sharePrefillText_.text];
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[picker setMessageBody:shareURL_.text isHTML:NO];
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[self presentModalViewController:picker animated:YES];
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}
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}
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#pragma mark - MFMailComposeViewControllerDelegate
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- (void)mailComposeController:(MFMailComposeViewController *)controller
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didFinishWithResult:(MFMailComposeResult)result
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error:(NSError*)error {
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NSString *text;
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switch (result) {
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case MFMailComposeResultCancelled:
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text = @"Canceled";
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break;
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case MFMailComposeResultSaved:
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text = @"Saved";
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break;
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case MFMailComposeResultSent:
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text = @"Sent";
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break;
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case MFMailComposeResultFailed:
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text = @"Failed";
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break;
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default:
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text = @"Not sent";
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break;
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}
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shareStatus_.text = [NSString stringWithFormat:@"Status: %@", text];
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[self dismissModalViewControllerAnimated:YES];
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}
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#pragma mark - UIKeyboard
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- (void)keyboardWillShow:(NSNotification *)notification {
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[self animateKeyboard:notification shouldShow:YES];
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}
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- (void)keyboardWillHide:(NSNotification *)notification {
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[self animateKeyboard:notification shouldShow:NO];
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}
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#pragma mark - IBActions
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- (IBAction)shareButton:(id)sender {
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shareStatus_.text = @"Status: Sharing...";
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id<GPPShareBuilder> shareBuilder = [share_ shareDialog];
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NSString *inputURL = shareURL_.text;
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NSURL *urlToShare = [inputURL length] ? [NSURL URLWithString:inputURL] : nil;
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if (urlToShare) {
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shareBuilder = [shareBuilder setURLToShare:urlToShare];
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}
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if ([deepLinkID_ text]) {
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shareBuilder = [shareBuilder setContentDeepLinkID:[deepLinkID_ text]];
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NSString *title = [deepLinkTitle_ text];
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NSString *description = [deepLinkDescription_ text];
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if (title && description) {
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NSURL *thumbnailURL = [NSURL URLWithString:[deepLinkThumbnailURL_ text]];
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shareBuilder = [shareBuilder setTitle:title
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description:description
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thumbnailURL:thumbnailURL];
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}
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}
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NSString *inputText = sharePrefillText_.text;
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NSString *text = [inputText length] ? inputText : nil;
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if (text) {
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shareBuilder = [shareBuilder setPrefillText:text];
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}
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if (![shareBuilder open]) {
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shareStatus_.text = @"Status: Error (see console).";
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}
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}
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- (IBAction)shareToolbar:(id)sender {
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UIActionSheet *actionSheet =
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[[[UIActionSheet alloc] initWithTitle:@"Share this post"
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delegate:self
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cancelButtonTitle:@"Cancel"
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destructiveButtonTitle:nil
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otherButtonTitles:@"Google+", @"Email", nil]
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autorelease];
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[actionSheet showFromToolbar:shareToolbar_];
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}
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- (IBAction)urlForDeepLinkMetadataSwitchToggle:(id)sender {
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[self layout];
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[self populateTextFields];
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}
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- (IBAction)deepLinkSwitchToggle:(id)sender {
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if (!attachDeepLinkSwitch_.on) {
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[urlForDeepLinkMetadataSwitch_ setOn:YES];
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}
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[self layout];
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[self populateTextFields];
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}
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#pragma mark - helper methods
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- (void) placeView:(UIView *)view x:(CGFloat)x y:(CGFloat)y {
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CGSize frameSize = view.frame.size;
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view.frame = CGRectMake(x, y, frameSize.width, frameSize.height);
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}
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- (void) layout {
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CGFloat originX = 20.0;
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CGFloat originY = 20.0;
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CGFloat yPadding = 20.0;
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CGFloat currentY = originY;
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CGFloat middleX = 150;
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// Place the switch for attaching deep-link data.
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[self placeView:attachDeepLinkDataLabel_ x:originX y:currentY];
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[self placeView:attachDeepLinkSwitch_ x:middleX + 50 y:currentY];
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CGSize frameSize = attachDeepLinkSwitch_.frame.size;
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currentY += frameSize.height + yPadding;
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// Place the switch for preview URL.
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if (attachDeepLinkSwitch_.on) {
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[self placeView:urlForDeepLinkMetadataLabel_ x:originX y:currentY];
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[self placeView:urlForDeepLinkMetadataSwitch_ x:middleX + 50 y:currentY];
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frameSize = urlForDeepLinkMetadataSwitch_.frame.size;
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currentY += frameSize.height + yPadding;
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urlForDeepLinkMetadataSwitch_.hidden = NO;
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urlForDeepLinkMetadataLabel_.hidden = NO;
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} else {
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urlForDeepLinkMetadataSwitch_.hidden = YES;
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urlForDeepLinkMetadataLabel_.hidden = YES;
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}
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// Place the field for URL to share.
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if (urlForDeepLinkMetadataSwitch_.on) {
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[self placeView:urlToShareLabel_ x:originX y:currentY];
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frameSize = urlToShareLabel_.frame.size;
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currentY += frameSize.height + 0.5 * yPadding;
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[self placeView:shareURL_ x:originX y:currentY];
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frameSize = shareURL_.frame.size;
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currentY += frameSize.height + yPadding;
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urlToShareLabel_.hidden = NO;
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shareURL_.hidden = NO;
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} else {
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urlToShareLabel_.hidden = YES;
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shareURL_.hidden = YES;
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}
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// Place the field for prefill text.
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[self placeView:prefillTextLabel_ x:originX y:currentY];
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frameSize = prefillTextLabel_.frame.size;
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currentY += frameSize.height + 0.5 * yPadding;
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[self placeView:sharePrefillText_ x:originX y:currentY];
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frameSize = sharePrefillText_.frame.size;
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currentY += frameSize.height + yPadding;
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// Place the content deep-link ID field.
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if (attachDeepLinkSwitch_.on) {
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[self placeView:deepLinkIDLabel_ x:originX y:currentY];
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frameSize = deepLinkIDLabel_.frame.size;
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currentY += frameSize.height + 0.5 * yPadding;
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[self placeView:deepLinkID_ x:originX y:currentY];
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frameSize = deepLinkID_.frame.size;
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currentY += frameSize.height + yPadding;
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deepLinkIDLabel_.hidden = NO;
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deepLinkID_.hidden = NO;
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} else {
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deepLinkIDLabel_.hidden = YES;
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deepLinkID_.hidden = YES;
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}
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// Place fields for content deep-link metadata.
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if (attachDeepLinkSwitch_.on && !urlForDeepLinkMetadataSwitch_.on) {
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[self placeView:deepLinkTitleLabel_ x:originX y:currentY];
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frameSize = deepLinkTitleLabel_.frame.size;
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currentY += frameSize.height + 0.5 * yPadding;
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[self placeView:deepLinkTitle_ x:originX y:currentY];
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frameSize = deepLinkTitle_.frame.size;
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currentY += frameSize.height + yPadding;
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[self placeView:deepLinkDescriptionLabel_ x:originX y:currentY];
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frameSize = deepLinkDescriptionLabel_.frame.size;
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currentY += frameSize.height + 0.5 * yPadding;
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[self placeView:deepLinkDescription_ x:originX y:currentY];
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frameSize = deepLinkDescription_.frame.size;
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currentY += frameSize.height + yPadding;
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[self placeView:deepLinkThumbnailURLLabel_ x:originX y:currentY];
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frameSize = deepLinkThumbnailURLLabel_.frame.size;
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currentY += frameSize.height + 0.5 * yPadding;
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[self placeView:deepLinkThumbnailURL_ x:originX y:currentY];
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frameSize = deepLinkThumbnailURL_.frame.size;
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currentY += frameSize.height + yPadding;
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deepLinkTitle_.hidden = NO;
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deepLinkTitleLabel_.hidden = NO;
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deepLinkDescriptionLabel_.hidden = NO;
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deepLinkDescription_.hidden = NO;
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deepLinkThumbnailURLLabel_.hidden = NO;
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deepLinkThumbnailURL_.hidden = NO;
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} else {
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deepLinkTitle_.hidden = YES;
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deepLinkTitleLabel_.hidden = YES;
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deepLinkDescriptionLabel_.hidden = YES;
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deepLinkDescription_.hidden = YES;
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deepLinkThumbnailURLLabel_.hidden = YES;
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deepLinkThumbnailURL_.hidden = YES;
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}
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// Place the share button and status.
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[self placeView:shareButton_ x:originX y:currentY];
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frameSize = shareButton_.frame.size;
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currentY += frameSize.height + yPadding;
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[self placeView:shareStatus_ x:originX y:currentY];
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frameSize = shareStatus_.frame.size;
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currentY += frameSize.height + yPadding;
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shareScrollView_.contentSize =
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CGSizeMake(shareScrollView_.frame.size.width, currentY);
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}
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- (void)populateTextFields {
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// Pre-populate text fields for Google+ share sample.
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if (sharePrefillText_.hidden) {
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sharePrefillText_.text = @"";
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} else {
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sharePrefillText_.text = @"Welcome to Google+ Platform";
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}
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if (shareURL_.hidden) {
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shareURL_.text = @"";
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} else {
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shareURL_.text = @"http://developers.google.com";
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}
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if (deepLinkID_.hidden) {
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deepLinkID_.text = @"";
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} else {
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deepLinkID_.text = @"reviews/314159265358";
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}
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if (deepLinkTitle_.hidden) {
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deepLinkTitle_.text = @"";
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} else {
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deepLinkTitle_.text = @"Joe's Diner Review";
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}
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if (deepLinkDescription_.hidden) {
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deepLinkDescription_.text = @"";
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} else {
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deepLinkDescription_.text = @"Check out my review of the awesome toast!";
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}
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if (deepLinkThumbnailURL_.hidden) {
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deepLinkThumbnailURL_.text = @"";
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} else {
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deepLinkThumbnailURL_.text =
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@"http://www.google.com/logos/2012/childrensday-2012-hp.jpg";
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}
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}
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- (void)animateKeyboard:(NSNotification *)notification
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shouldShow:(BOOL)shouldShow {
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if (!shouldShow) {
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UIEdgeInsets contentInsets = UIEdgeInsetsZero;
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shareScrollView_.contentInset = contentInsets;
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shareScrollView_.scrollIndicatorInsets = contentInsets;
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return;
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}
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NSDictionary *userInfo = [notification userInfo];
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CGRect kbFrame =
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[[userInfo objectForKey:UIKeyboardFrameBeginUserInfoKey] CGRectValue];
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CGSize kbSize = kbFrame.size;
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UIEdgeInsets contentInsets = UIEdgeInsetsMake(0.0, 0.0, kbSize.height, 0.0);
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shareScrollView_.contentInset = contentInsets;
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shareScrollView_.scrollIndicatorInsets = contentInsets;
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// If active text field is hidden by keyboard, scroll so it's visible.
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CGRect aRect = self.view.frame;
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aRect.size.height -= kbSize.height;
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CGPoint bottomLeft =
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CGPointMake(0.0, activeField_.frame.origin.y +
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activeField_.frame.size.height + 10);
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if (!CGRectContainsPoint(aRect, bottomLeft)) {
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CGPoint scrollPoint = CGPointMake(0.0, bottomLeft.y - aRect.size.height);
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[shareScrollView_ setContentOffset:scrollPoint animated:YES];
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}
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return;
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}
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@end
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