Open source FIAM headless SDK (#2312)

InAppMessaging/Example/App/InAppMessaging-Example-iOS/AutoDisplayMesagesTableVC.m

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+/*
+ * Copyright 2017 Google
+ *
+ * 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 "AutoDisplayMesagesTableVC.h"
+#import "FIRIAMDisplayTriggerDefinition.h"
+#import "FIRIAMMessageContentData.h"
+
+@interface AutoDisplayMesagesTableVC ()
+@end
+
+@implementation AutoDisplayMesagesTableVC
+
+- (void)dataChanged {
+  dispatch_async(dispatch_get_main_queue(), ^{
+    [self.tableView reloadData];
+  });
+}
+
+- (void)viewDidLoad {
+  [super viewDidLoad];
+
+  // Uncomment the following line to preserve selection between presentations.
+  // self.clearsSelectionOnViewWillAppear = NO;
+
+  // Uncomment the following line to display an Edit button in the navigation bar for this view
+  // controller. self.navigationItem.rightBarButtonItem = self.editButtonItem;
+}
+
+- (void)didReceiveMemoryWarning {
+  [super didReceiveMemoryWarning];
+  // Dispose of any resources that can be recreated.
+}
+
+#pragma mark - Table view data source
+- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
+  return 1;
+}
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+  NSArray<FIRIAMMessageDefinition *> *messages = self.messageCache.allRegularMessages;
+  if (messages) {
+    return messages.count;
+  } else {
+    return 0;
+  }
+}
+
+static NSString *CellIdentifier = @"CellIdentifier";
+
+- (NSString *)viewModeDisplayString:(FIRIAMRenderingMode)viewMode {
+  switch (viewMode) {
+    case FIRIAMRenderAsBannerView:
+      return @"Banner";
+    case FIRIAMRenderAsModalView:
+      return @"Modal";
+    case FIRIAMRenderAsImageOnlyView:
+      return @"Image";
+    default:
+      return @"Unknown";
+  }
+}
+
+- (NSString *)triggerDisplayString:(NSArray<FIRIAMDisplayTriggerDefinition *> *)triggers {
+  NSMutableString *s = [[NSMutableString alloc] init];
+  for (FIRIAMDisplayTriggerDefinition *trigger in triggers) {
+    [s appendString:[self triggerDisplayStringForOneTrigger:trigger]];
+    [s appendString:@","];
+  }
+  return [s copy];
+}
+
+- (NSString *)triggerDisplayStringForOneTrigger:
+    (FIRIAMDisplayTriggerDefinition *)triggerDefinition {
+  switch (triggerDefinition.triggerType) {
+    case FIRIAMRenderTriggerOnAppForeground:
+      return @"app_foreground";
+    case FIRIAMRenderTriggerOnFirebaseAnalyticsEvent:
+      return triggerDefinition.firebaseEventName;
+    default:
+      return @"Unknown";
+  }
+}
+- (UITableViewCell *)tableView:(UITableView *)tableView
+         cellForRowAtIndexPath:(NSIndexPath *)indexPath {
+  NSArray<FIRIAMMessageDefinition *> *messageDefs = self.messageCache.allRegularMessages;
+
+  NSInteger rowIndex = [indexPath row];
+  if (messageDefs.count > rowIndex) {
+    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
+
+    if (cell == nil) {
+      cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle
+                                    reuseIdentifier:CellIdentifier];
+    }
+
+    UILabel *titleLabel = (UILabel *)[cell.contentView viewWithTag:10];
+    UILabel *modeLabel = (UILabel *)[cell.contentView viewWithTag:20];
+    UIImageView *imageView = (UIImageView *)[cell.contentView viewWithTag:30];
+    UILabel *triggerLabel = (UILabel *)[cell.contentView viewWithTag:40];
+
+    titleLabel.text = messageDefs[rowIndex].renderData.contentData.titleText;
+    modeLabel.text = [self
+        viewModeDisplayString:messageDefs[rowIndex].renderData.renderingEffectSettings.viewMode];
+
+    triggerLabel.text = [self triggerDisplayString:messageDefs[rowIndex].renderTriggers];
+
+    [messageDefs[rowIndex].renderData.contentData
+        loadImageDataWithBlock:^(NSData *_Nullable imageData, NSError *error) {
+          if (error) {
+            NSLog(@"error in loading image: %@", error.localizedDescription);
+          } else {
+            UIImage *image = [UIImage imageWithData:imageData];
+            dispatch_async(dispatch_get_main_queue(), ^{
+              [imageView setImage:image];
+            });
+          }
+        }];
+    return cell;
+  } else {
+    return nil;
+  }
+}
+
+@end