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MasterPassword/External/google-plus-ios-sdk/SampleCode/GooglePlusSampleMomentsViewController.m

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//
// GooglePlusSampleMomentsViewController.m
//
// Copyright 2012 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#import "GooglePlusSampleMomentsViewController.h"
#import <QuartzCore/QuartzCore.h>
#import "GooglePlusSampleAppDelegate.h"
#import "GTLPlus.h"
#import "GTLPlusConstants.h"
#import "GTLPlusItemScope.h"
#import "GTLPlusMoment.h"
#import "GTLQueryPlus.h"
#import "GTLServicePlus.h"
#import "GTMLogger.h"
#import "GTMOAuth2Authentication.h"
@interface GooglePlusSampleMomentsViewController ()
- (GTLPlusItemScope *)resultFor:(NSString *)selectedMoment;
- (void)animateKeyboard:(NSNotification *)notification
shouldShow:(BOOL)shouldShow;
- (NSString *)momentURLForIndex:(int)i;
- (void)reportAuthStatus;
@end
@implementation GooglePlusSampleMomentsViewController
@synthesize momentsTable = momentsTable_;
@synthesize momentURL = momentURL_;
@synthesize momentStatus = momentStatus_;
@synthesize addButton = addButton_;
// The different kinds of moments.
static const int kNumMomentTypes = 9;
static NSString * const kMomentTypes[kNumMomentTypes] = {
@"AddActivity",
@"BuyActivity",
@"CheckInActivity",
@"CommentActivity",
@"CreateActivity",
@"ListenActivity",
@"ReserveActivity",
@"ReviewActivity",
@"ViewActivity" };
static NSString * const kMomentURLs[kNumMomentTypes] = {
@"thing",
@"a-book",
@"place",
@"blog-entry",
@"photo",
@"song",
@"restaurant",
@"widget",
@"video" };
static NSString * const kMomentURLFormat =
@"https://developers.google.com/+/plugins/snippet/examples/%@";
#pragma mark - Object lifecycle
- (void)dealloc {
// Unregister for keyboard notifications while not visible.
[[NSNotificationCenter defaultCenter]
removeObserver:self
name:UIKeyboardWillShowNotification
object:nil];
[[NSNotificationCenter defaultCenter]
removeObserver:self
name:UIKeyboardWillHideNotification
object:nil];
[momentsTable_ release];
[momentURL_ release];
[momentStatus_ release];
[addButton_ release];
[super dealloc];
}
#pragma mark - View lifecycle
- (void)viewDidLoad {
// Set up "Add Moment" button.
[[addButton_ layer] setCornerRadius:5];
[[addButton_ layer] setMasksToBounds:YES];
CGColorRef borderColor = [[UIColor colorWithWhite:203.0/255.0
alpha:1.0] CGColor];
[[addButton_ layer] setBorderColor:borderColor];
[[addButton_ layer] setBorderWidth:1.0];
// Set up sample view of writing moments.
int selectedRow = [[momentsTable_ indexPathForSelectedRow] row];
momentURL_.text = [self momentURLForIndex:selectedRow];
[self reportAuthStatus];
[super viewDidLoad];
}
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
// Register for keyboard notifications while visible.
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(keyboardWillShow:)
name:UIKeyboardWillShowNotification
object:nil];
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(keyboardWillHide:)
name:UIKeyboardWillHideNotification
object:nil];
}
- (void)viewWillDisappear:(BOOL)animated {
// Unregister for keyboard notifications while not visible.
[[NSNotificationCenter defaultCenter]
removeObserver:self
name:UIKeyboardWillShowNotification
object:nil];
[[NSNotificationCenter defaultCenter]
removeObserver:self
name:UIKeyboardWillHideNotification
object:nil];
[super viewWillDisappear:animated];
}
#pragma mark - IBActions
- (IBAction)momentButton:(id)sender {
GooglePlusSampleAppDelegate *appDelegate = (GooglePlusSampleAppDelegate *)
[[UIApplication sharedApplication] delegate];
if (!appDelegate.auth) {
// To authenticate, use Google+ sign-in button.
momentStatus_.text = @"Status: Not authenticated";
return;
}
// Here is an example of writing a moment to Google+ history:
// 1. Create a |GTLServicePlus| instance to send a request to Google+.
GTLServicePlus* plusService = [[[GTLServicePlus alloc] init] autorelease];
plusService.retryEnabled = YES;
// 2. Set a valid |GTMOAuth2Authentication| object as the authorizer.
[plusService setAuthorizer:appDelegate.auth];
// 3. Create a |GTLPlusMoment| object with required fields. For reference, see
// https://developers.google.com/+/history/ .
int selectedRow = [[momentsTable_ indexPathForSelectedRow] row];
NSString *selectedMoment = kMomentTypes[selectedRow];
GTLPlusMoment *moment = [[[GTLPlusMoment alloc] init] autorelease];
moment.type = [NSString stringWithFormat:@"http://schemas.google.com/%@",
selectedMoment];
GTLPlusItemScope *target = [[[GTLPlusItemScope alloc] init] autorelease];
target.url = momentURL_.text;
if ([target.url isEqualToString:@""]) {
target.url = [self momentURLForIndex:selectedRow];
}
moment.target = target;
// CommentActivity, ReserveActivity, and ReviewActivity require setting a
// |result| field in the request.
GTLPlusItemScope *result = [self resultFor:selectedMoment];
if (result) {
moment.result = result;
}
// 4. Create a |GTLQuery| object to write a moment.
GTLQueryPlus *query =
[GTLQueryPlus queryForMomentsInsertWithObject:moment
userId:@"me"
collection:kGTLPlusCollectionVault];
[plusService executeQuery:query
completionHandler:^(GTLServiceTicket *ticket,
id object,
NSError *error) {
if (error) {
GTMLoggerError(@"Error: %@", error);
momentStatus_.text =
[NSString stringWithFormat:@"Status: Error: %@", error];
} else {
momentStatus_.text = [NSString stringWithFormat:
@"Status: Saved to Google+ history (%@)",
selectedMoment];
}
}];
}
#pragma mark - UITableViewDelegate/UITableViewDataSource
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView
numberOfRowsInSection:(NSInteger)section {
return kNumMomentTypes;
}
- (UITableViewCell *)tableView:(UITableView *)tableView
cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString * const kCellIdentifier = @"Cell";
UITableViewCell *cell =
[tableView dequeueReusableCellWithIdentifier:kCellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
reuseIdentifier:kCellIdentifier]
autorelease];
cell.accessoryType = UITableViewCellAccessoryNone;
}
// Configure the cell.
cell.textLabel.text = kMomentTypes[indexPath.row];
return cell;
}
- (void)tableView:(UITableView *)tableView
didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
int selectedRow = [[momentsTable_ indexPathForSelectedRow] row];
momentURL_.text = [self momentURLForIndex:selectedRow];
}
#pragma mark - UITextFieldDelegate
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
[textField resignFirstResponder];
return YES;
}
#pragma mark - UIKeyboard
- (void)keyboardWillShow:(NSNotification *)notification {
[self animateKeyboard:notification shouldShow:YES];
}
- (void)keyboardWillHide:(NSNotification *)notification {
[self animateKeyboard:notification shouldShow:NO];
}
#pragma mark - Private methods
// Helps set required result field for select moment types.
- (GTLPlusItemScope *)resultFor:(NSString *)selectedMoment {
GTLPlusItemScope *result = [[[GTLPlusItemScope alloc] init] autorelease];
if ([selectedMoment isEqualToString:@"CommentActivity"]) {
result.type = @"http://schema.org/Comment";
result.url = @"https://developers.google.com/+/plugins/snippet/"
@"examples/blog-entry#comment-1";
result.name = @"This is amazing!";
result.text = @"I can't wait to use it on my site :)";
return result;
} else if ([selectedMoment isEqualToString:@"ReserveActivity"]) {
result.type = @"http://schema.org/Reservation";
result.startDate = @"2012-06-28T19:00:00-08:00";
result.attendeeCount = [[[NSNumber alloc] initWithInt:3] autorelease];
return result;
} else if ([selectedMoment isEqualToString:@"ReviewActivity"]) {
result.type = @"http://schema.org/Review";
result.name = @"A Humble Review of Widget";
result.url =
@"https://developers.google.com/+/plugins/snippet/examples/review";
result.text =
@"It's amazingly effective at whatever it is that it's supposed to do.";
GTLPlusItemScope *rating = [[[GTLPlusItemScope alloc] init] autorelease];
rating.type = @"http://schema.org/Rating";
rating.ratingValue = @"100";
rating.bestRating = @"100";
rating.worstRating = @"0";
result.reviewRating = rating;
return result;
}
return nil;
}
// Helps animate keyboard for target URL text field.
- (void)animateKeyboard:(NSNotification *)notification
shouldShow:(BOOL)shouldShow {
NSDictionary *userInfo = [notification userInfo];
CGFloat height = [[userInfo objectForKey:UIKeyboardFrameBeginUserInfoKey]
CGRectValue].size.height;
CGFloat duration = [[userInfo
objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue];
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:duration];
CGRect newFrame = self.view.frame;
if (shouldShow) {
newFrame.size.height -= height;
} else {
newFrame.size.height += height;
}
self.view.frame = newFrame;
[UIView commitAnimations];
if (shouldShow) {
keyboardVisible_ = YES;
} else {
keyboardVisible_ = NO;
}
}
- (NSString *)momentURLForIndex:(int)i {
return [NSString stringWithFormat:kMomentURLFormat, kMomentURLs[i]];
}
- (void)reportAuthStatus {
NSString *authStatus = @"";
GooglePlusSampleAppDelegate *appDelegate = (GooglePlusSampleAppDelegate *)
[[UIApplication sharedApplication] delegate];
if (appDelegate.auth) {
authStatus = @"Status: Authenticated";
} else {
// To authenticate, use Google+ sign-in button.
authStatus = @"Status: Not authenticated";
}
momentStatus_.text = authStatus;
}
@end