Index: ios/chrome/browser/ui/context_menu/context_menu_coordinator.mm |
diff --git a/ios/chrome/browser/ui/context_menu/context_menu_coordinator.mm b/ios/chrome/browser/ui/context_menu/context_menu_coordinator.mm |
new file mode 100644 |
index 0000000000000000000000000000000000000000..46065782b39bdd68a189bfb14c68a4485dc0143e |
--- /dev/null |
+++ b/ios/chrome/browser/ui/context_menu/context_menu_coordinator.mm |
@@ -0,0 +1,114 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#import "ios/chrome/browser/ui/context_menu/context_menu_coordinator.h" |
+ |
+#include "base/ios/weak_nsobject.h" |
+#include "base/mac/scoped_nsobject.h" |
+#include "base/strings/sys_string_conversions.h" |
+#import "ios/web/public/web_state/context_menu_params.h" |
+#include "ui/base/l10n/l10n_util.h" |
+#include "ui/strings/grit/ui_strings.h" |
+ |
+@interface ContextMenuCoordinator () { |
+ // Underlying system alert. |
+ base::scoped_nsobject<UIAlertController> _alertController; |
+ // View controller which will be used to present the |_alertController|. |
+ base::WeakNSObject<UIViewController> _presentingViewController; |
+ // Parameters that define what is shown in the context menu. |
+ web::ContextMenuParams _params; |
+} |
+// Redefined to readwrite. |
+@property(nonatomic, readwrite, getter=isVisible) BOOL visible; |
+// Lazy initializer to create the |_alert|. |
+@property(nonatomic, readonly) UIAlertController* alertController; |
+// Called when the alert is dismissed to perform cleanup. |
+- (void)alertDismissed; |
+@end |
+ |
+@implementation ContextMenuCoordinator |
+@synthesize visible = _visible; |
+ |
+- (instancetype)initWithViewController:(UIViewController*)viewController |
+ params:(const web::ContextMenuParams&)params { |
+ self = [super init]; |
+ if (self) { |
+ _params = params; |
+ _presentingViewController.reset(viewController); |
+ } |
+ return self; |
+} |
+ |
+#pragma mark - Object Lifecycle |
+- (void)dealloc { |
+ [self stop]; |
+ [super dealloc]; |
+} |
+ |
+#pragma mark - Public Methods |
+- (void)addItemWithTitle:(NSString*)title action:(ProceduralBlock)actionBlock { |
+ base::WeakNSObject<ContextMenuCoordinator> weakSelf(self); |
+ void (^actionHandler)(UIAlertAction*) = ^(UIAlertAction*) { |
+ [weakSelf alertDismissed]; |
+ actionBlock(); |
+ }; |
+ [self.alertController |
+ addAction:[UIAlertAction actionWithTitle:title |
+ style:UIAlertActionStyleDefault |
+ handler:actionHandler]]; |
+} |
+ |
+- (void)start { |
+ // Check that the view is still visible on screen, otherwise just return and |
+ // don't show the context menu. |
+ if (![_params.view window] && |
+ ![_params.view isKindOfClass:[UIWindow class]]) { |
+ return; |
+ } |
+ |
+ [_presentingViewController presentViewController:self.alertController |
+ animated:YES |
+ completion:nil]; |
+ self.visible = YES; |
+} |
+ |
+- (void)stop { |
+ [_alertController dismissViewControllerAnimated:NO completion:nil]; |
+ [self setVisible:NO]; |
+ _alertController.reset(); |
+} |
+ |
+#pragma mark - Property Implementation |
+- (UIAlertController*)alertController { |
+ if (!_alertController) { |
+ DCHECK([_params.view isDescendantOfView:[_presentingViewController view]]); |
+ UIAlertController* alert = [UIAlertController |
+ alertControllerWithTitle:_params.menu_title |
+ message:nil |
+ preferredStyle:UIAlertControllerStyleActionSheet]; |
+ alert.popoverPresentationController.sourceView = _params.view; |
+ alert.popoverPresentationController.sourceRect = |
+ CGRectMake(_params.location.x, _params.location.y, 1.0, 1.0); |
+ |
+ base::WeakNSObject<ContextMenuCoordinator> weakSelf(self); |
+ UIAlertAction* cancelAction = |
+ [UIAlertAction actionWithTitle:l10n_util::GetNSString(IDS_APP_CANCEL) |
+ style:UIAlertActionStyleCancel |
+ handler:^(UIAlertAction*) { |
+ [weakSelf alertDismissed]; |
+ }]; |
+ [alert addAction:cancelAction]; |
+ |
+ _alertController.reset([alert retain]); |
+ } |
+ return _alertController; |
+} |
+ |
+#pragma mark - Private Methods |
+- (void)alertDismissed { |
+ self.visible = NO; |
+ _alertController.reset(); |
+} |
+ |
+@end |