Fix input toolbar margins issue.

Signal/Signal-Info.plist

@@ -47,7 +47,7 @@
 		</dict>
 	</array>
 	<key>CFBundleVersion</key>
-	<string>2.34.0.14</string>
+	<string>2.34.0.20</string>
 	<key>ITSAppUsesNonExemptEncryption</key>
 	<false/>
 	<key>LOGS_EMAIL</key>

Signal/src/ViewControllers/ConversationView/ConversationInputToolbar.h

@@ -1,5 +1,5 @@
 //
-//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
+//  Copyright (c) 2019 Open Whisper Systems. All rights reserved.
 //
 
 NS_ASSUME_NONNULL_BEGIN
@@ -53,6 +53,8 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (void)updateFontSizes;
 
+- (void)updateLayoutWithIsLandscape:(BOOL)isLandscape safeAreaInsets:(UIEdgeInsets)safeAreaInsets;
+
 #pragma mark - Voice Memo
 
 - (void)ensureTextViewHeight;

Signal/src/ViewControllers/ConversationView/ConversationInputToolbar.m

@@ -1,5 +1,5 @@
 //
-//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
+//  Copyright (c) 2019 Open Whisper Systems. All rights reserved.
 //
 
 #import "ConversationInputToolbar.h"
@@ -53,6 +53,9 @@ const CGFloat kMaxTextViewHeight = 98;
 @property (nonatomic, nullable) UILabel *recordingLabel;
 @property (nonatomic) BOOL isRecordingVoiceMemo;
 @property (nonatomic) CGPoint voiceMemoGestureStartLocation;
+@property (nonatomic, nullable) NSArray<NSLayoutConstraint *> *layoutContraints;
+@property (nonatomic) BOOL isLandscapeLayout;
+@property (nonatomic) UIEdgeInsets receivedSafeAreaInsets;
 
 @end
 
@@ -68,7 +71,9 @@ const CGFloat kMaxTextViewHeight = 98;
     self = [super initWithFrame:CGRectZero];
 
     _conversationStyle = conversationStyle;
-    
+    _isLandscapeLayout = NO;
+    _receivedSafeAreaInsets = UIEdgeInsetsZero;
+
     if (self) {
         [self createContents];
     }
@@ -163,7 +168,18 @@ const CGFloat kMaxTextViewHeight = 98;
     self.contentRows.axis = UILayoutConstraintAxisVertical;
 
     [self addSubview:self.contentRows];
-    [self.contentRows autoPinEdgesToSuperviewEdges];
+    [self.contentRows autoPinEdgeToSuperviewEdge:ALEdgeTop];
+    [self.contentRows autoPinEdgeToSuperviewSafeArea:ALEdgeBottom];
+
+    // See comments on updateContentLayout:.
+    if (@available(iOS 11, *)) {
+        self.contentRows.insetsLayoutMarginsFromSafeArea = NO;
+        self.composeRow.insetsLayoutMarginsFromSafeArea = NO;
+        self.insetsLayoutMarginsFromSafeArea = NO;
+    }
+    self.contentRows.preservesSuperviewLayoutMargins = NO;
+    self.composeRow.preservesSuperviewLayoutMargins = NO;
+    self.preservesSuperviewLayoutMargins = NO;
 
     [self ensureShouldShowVoiceMemoButtonAnimated:NO doLayout:NO];
 }
@@ -322,6 +338,37 @@ const CGFloat kMaxTextViewHeight = 98;
     }
 }
 
+// iOS doesn't always update the safeAreaInsets correctly & in a timely
+// way for the inputAccessoryView after a orientation change.  The best
+// workaround appears to be to use the safeAreaInsets from
+// ConversationViewController's view.  ConversationViewController updates
+// this input toolbar using updateLayoutWithIsLandscape:.
+- (void)updateContentLayout
+{
+    if (self.layoutContraints) {
+        [NSLayoutConstraint deactivateConstraints:self.layoutContraints];
+    }
+
+    self.layoutContraints = @[
+        [self.contentRows autoPinEdgeToSuperviewEdge:ALEdgeLeft withInset:self.receivedSafeAreaInsets.left],
+        [self.contentRows autoPinEdgeToSuperviewEdge:ALEdgeRight withInset:self.receivedSafeAreaInsets.right],
+    ];
+}
+
+- (void)updateLayoutWithIsLandscape:(BOOL)isLandscape safeAreaInsets:(UIEdgeInsets)safeAreaInsets
+{
+    BOOL didChange = (self.isLandscapeLayout != isLandscape
+        || !UIEdgeInsetsEqualToEdgeInsets(self.receivedSafeAreaInsets, safeAreaInsets));
+    BOOL hasLayout = self.layoutContraints != nil;
+
+    self.isLandscapeLayout = isLandscape;
+    self.receivedSafeAreaInsets = safeAreaInsets;
+
+    if (didChange || !hasLayout) {
+        [self updateContentLayout];
+    }
+}
+
 - (void)handleLongPress:(UIGestureRecognizer *)sender
 {
     switch (sender.state) {

Signal/src/ViewControllers/ConversationView/ConversationViewController.m

@@ -747,6 +747,7 @@ typedef enum : NSUInteger {
         NSTimeInterval appearenceDuration = CACurrentMediaTime() - self.viewControllerCreatedAt;
         OWSLogVerbose(@"First viewWillAppear took: %.2fms", appearenceDuration * 1000);
     }
+    [self updateInputToolbarLayout];
 }
 
 - (NSArray<id<ConversationViewItem>> *)viewItems
@@ -1249,6 +1250,8 @@ typedef enum : NSUInteger {
 
     // Clear the "on open" state after the view has been presented.
     self.actionOnOpen = ConversationViewActionNone;
+
+    [self updateInputToolbarLayout];
 }
 
 // `viewWillDisappear` is called whenever the view *starts* to disappear,
@@ -4844,6 +4847,8 @@ typedef enum : NSUInteger {
             // new size.
             [strongSelf resetForSizeOrOrientationChange];
 
+            [strongSelf updateInputToolbarLayout];
+
             if (lastVisibleIndexPath) {
                 [strongSelf.collectionView scrollToItemAtIndexPath:lastVisibleIndexPath
                                                   atScrollPosition:UICollectionViewScrollPositionBottom
@@ -4876,6 +4881,24 @@ typedef enum : NSUInteger {
         // Try to update the lastKnownDistanceFromBottom; the content size may have changed.
         [self updateLastKnownDistanceFromBottom];
     }
+    [self updateInputToolbarLayout];
+}
+
+- (void)viewSafeAreaInsetsDidChange
+{
+    [super viewSafeAreaInsetsDidChange];
+
+    [self updateInputToolbarLayout];
+}
+
+- (void)updateInputToolbarLayout
+{
+    BOOL isLandscape = self.view.width > self.view.height;
+    UIEdgeInsets safeAreaInsets = UIEdgeInsetsZero;
+    if (@available(iOS 11, *)) {
+        safeAreaInsets = self.view.safeAreaInsets;
+    }
+    [self.inputToolbar updateLayoutWithIsLandscape:isLandscape safeAreaInsets:safeAreaInsets];
 }
 
 @end

SignalShareExtension/Info.plist

@@ -19,7 +19,7 @@
 	<key>CFBundleShortVersionString</key>
 	<string>2.34.0</string>
 	<key>CFBundleVersion</key>
-	<string>2.34.0.14</string>
+	<string>2.34.0.20</string>
 	<key>ITSAppUsesNonExemptEncryption</key>
 	<false/>
 	<key>NSAppTransportSecurity</key>