| // Copyright 2014 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. |
| |
| #ifndef IOS_CHROME_BROWSER_AUTOFILL_FORM_INPUT_ACCESSORY_VIEW_CONTROLLER_H_ |
| #define IOS_CHROME_BROWSER_AUTOFILL_FORM_INPUT_ACCESSORY_VIEW_CONTROLLER_H_ |
| |
| #import <UIKit/UIKit.h> |
| |
| #import "ios/chrome/browser/autofill/form_input_accessory_view_delegate.h" |
| #import "ios/web/public/web_state/web_state_observer_bridge.h" |
| |
| @protocol CRWWebViewProxy; |
| |
| namespace autofill { |
| extern NSString* const kFormSuggestionAssistButtonPreviousElement; |
| extern NSString* const kFormSuggestionAssistButtonNextElement; |
| extern NSString* const kFormSuggestionAssistButtonDone; |
| extern CGFloat const kInputAccessoryHeight; |
| } // namespace autofill |
| |
| @protocol FormInputAccessoryViewProvider; |
| @class FormInputAccessoryViewController; |
| |
| // Block type to indicate that a FormInputAccessoryViewProvider has an accessory |
| // view to provide. |
| typedef void (^AccessoryViewAvailableCompletion)( |
| BOOL inputAccessoryViewAvailable); |
| |
| // Block type to provide an accessory view asynchronously. |
| typedef void (^AccessoryViewReadyCompletion)( |
| UIView* view, |
| id<FormInputAccessoryViewProvider> provider); |
| |
| // Represents an object that can provide a custom keyboard input accessory view. |
| @protocol FormInputAccessoryViewProvider<NSObject> |
| |
| // A delegate for form navigation. |
| @property(nonatomic, assign) |
| id<FormInputAccessoryViewDelegate> accessoryViewDelegate; |
| |
| // Determines asynchronously if this provider has a view available for the |
| // specified form/field and invokes |completionHandler| with the answer. |
| - (void) |
| checkIfAccessoryViewIsAvailableForForm:(const web::FormActivityParams&)params |
| webState:(web::WebState*)webState |
| completionHandler: |
| (AccessoryViewAvailableCompletion)completionHandler; |
| |
| // Asynchronously retrieves an accessory view from this provider for the |
| // specified form/field and returns it via |accessoryViewUpdateBlock|. |
| - (void)retrieveAccessoryViewForForm:(const web::FormActivityParams&)params |
| webState:(web::WebState*)webState |
| accessoryViewUpdateBlock: |
| (AccessoryViewReadyCompletion)accessoryViewUpdateBlock; |
| |
| // Notifies this provider that the accessory view is going away. |
| - (void)inputAccessoryViewControllerDidReset: |
| (FormInputAccessoryViewController*)controller; |
| |
| // Notifies this provider that the accessory view frame is changing. If the |
| // view provided by this provider needs to change, the updated view should be |
| // set using |accessoryViewUpdateBlock|. |
| - (void)resizeAccessoryView; |
| |
| // Returns YES if UMA metrics for keyboard accessory button presses should be |
| // logged for this provider. |
| - (BOOL)getLogKeyboardAccessoryMetrics; |
| |
| @end |
| |
| // Creates and manages a custom input accessory view while the user is |
| // interacting with a form. Also handles hiding and showing the default |
| // accessory view elements. |
| @interface FormInputAccessoryViewController |
| : NSObject<CRWWebStateObserver, FormInputAccessoryViewDelegate> |
| |
| // The current web view proxy. |
| // TODO(crbug.com/727716): This property should not be a part of the public |
| // interface, it is used in tests as a backdoor. |
| @property(nonatomic, readonly) id<CRWWebViewProxy> webViewProxy; |
| |
| // Initializes a new controller with the specified |providers| of input |
| // accessory views. |
| - (instancetype)initWithWebState:(web::WebState*)webState |
| providers:(NSArray*)providers; |
| |
| // Notifies the controller that the owning tab was shown. |
| - (void)wasShown; |
| |
| // Notifies the controller that the owning tab was hidden. |
| - (void)wasHidden; |
| |
| // Instructs the controller to detach itself from the WebState. |
| - (void)detachFromWebState; |
| |
| // Hides the default input accessory view and replaces it with one that shows |
| // |customView| and form navigation controls. |
| - (void)showCustomInputAccessoryView:(UIView*)customView; |
| |
| // Restores the default input accessory view, removing (if necessary) any |
| // previously-added custom view. |
| - (void)restoreDefaultInputAccessoryView; |
| |
| @end |
| |
| #endif // IOS_CHROME_BROWSER_AUTOFILL_FORM_INPUT_ACCESSORY_VIEW_CONTROLLER_H_ |