From b2c71cf02243544b4cb7c40166c2b6a1dd3834dd Mon Sep 17 00:00:00 2001
From: Jeremy Elbourn <jelbourn@google.com>
Date: Fri, 15 Sep 2017 13:03:14 -0700
Subject: [PATCH] fix(overlay): rename OverlayState to OverlayConfig

BREAKING CHANGE: OverlayState has been renamed to OverlayConfig
---
 .../{overlay-state.ts => overlay-config.ts}   | 14 +++-------
 src/cdk/overlay/overlay-directives.ts         |  6 ++---
 src/cdk/overlay/overlay-ref.ts                |  6 ++---
 src/cdk/overlay/overlay.spec.ts               | 26 +++++++++----------
 src/cdk/overlay/overlay.ts                    |  6 ++---
 src/cdk/overlay/public_api.ts                 |  2 +-
 .../scroll/block-scroll-strategy.spec.ts      |  6 ++---
 .../scroll/close-scroll-strategy.spec.ts      |  6 ++---
 .../scroll/reposition-scroll-strategy.spec.ts |  6 ++---
 src/cdk/overlay/scroll/scroll-strategy.md     | 10 +++----
 src/demo-app/overlay/overlay-demo.ts          | 12 ++++-----
 src/lib/autocomplete/autocomplete-trigger.ts  |  6 ++---
 src/lib/datepicker/datepicker.ts              |  4 +--
 src/lib/dialog/dialog.ts                      |  6 ++---
 src/lib/menu/menu-trigger.ts                  |  8 +++---
 src/lib/snack-bar/snack-bar.ts                |  4 +--
 src/lib/tooltip/tooltip.ts                    |  4 +--
 17 files changed, 62 insertions(+), 70 deletions(-)
 rename src/cdk/overlay/{overlay-state.ts => overlay-config.ts} (86%)

diff --git a/src/cdk/overlay/overlay-state.ts b/src/cdk/overlay/overlay-config.ts
similarity index 86%
rename from src/cdk/overlay/overlay-state.ts
rename to src/cdk/overlay/overlay-config.ts
index 702468b90315..b314847d65cb 100644
--- a/src/cdk/overlay/overlay-state.ts
+++ b/src/cdk/overlay/overlay-config.ts
@@ -12,11 +12,8 @@ import {ScrollStrategy} from './scroll/scroll-strategy';
 import {NoopScrollStrategy} from './scroll/noop-scroll-strategy';
 
 
-/**
- * OverlayState is a bag of values for either the initial configuration or current state of an
- * overlay.
- */
-export class OverlayState {
+/** OverlayConfig captures the initial configuration used when opening an overlay. */
+export class OverlayConfig {
   /** Strategy with which to position the overlay. */
   positionStrategy?: PositionStrategy;
 
@@ -53,14 +50,9 @@ export class OverlayState {
   /** The direction of the text in the overlay panel. */
   direction?: Direction = 'ltr';
 
-  constructor(state?: OverlayState) {
+  constructor(state?: OverlayConfig) {
     if (state) {
       Object.keys(state).forEach(key => this[key] = state[key]);
     }
   }
-
-  // TODO(jelbourn): configuration still to add
-  // - focus trap
-  // - disable pointer events
-  // - z-index
 }
diff --git a/src/cdk/overlay/overlay-directives.ts b/src/cdk/overlay/overlay-directives.ts
index 76bfe87d841c..1e1c3abcd9f1 100644
--- a/src/cdk/overlay/overlay-directives.ts
+++ b/src/cdk/overlay/overlay-directives.ts
@@ -28,7 +28,7 @@ import {ESCAPE} from '@angular/cdk/keycodes';
 import {TemplatePortal} from '@angular/cdk/portal';
 import {Overlay} from './overlay';
 import {OverlayRef} from './overlay-ref';
-import {OverlayState} from './overlay-state';
+import {OverlayConfig} from './overlay-config';
 import {
   // This import is only used to define a generic type. The current TypeScript version incorrectly
   // considers such imports as unused (https://github.com/Microsoft/TypeScript/issues/14953)
@@ -271,9 +271,9 @@ export class ConnectedOverlayDirective implements OnDestroy, OnChanges {
   }
 
   /** Builds the overlay config based on the directive's inputs */
-  private _buildConfig(): OverlayState {
+  private _buildConfig(): OverlayConfig {
     const positionStrategy = this._position = this._createPositionStrategy();
-    const overlayConfig = new OverlayState({
+    const overlayConfig = new OverlayConfig({
       positionStrategy,
       scrollStrategy: this.scrollStrategy,
       hasBackdrop: this.hasBackdrop
diff --git a/src/cdk/overlay/overlay-ref.ts b/src/cdk/overlay/overlay-ref.ts
index 352485df4203..8d1eae2687f1 100644
--- a/src/cdk/overlay/overlay-ref.ts
+++ b/src/cdk/overlay/overlay-ref.ts
@@ -8,7 +8,7 @@
 
 import {NgZone} from '@angular/core';
 import {PortalHost, Portal} from '@angular/cdk/portal';
-import {OverlayState} from './overlay-state';
+import {OverlayConfig} from './overlay-config';
 import {Observable} from 'rxjs/Observable';
 import {Subject} from 'rxjs/Subject';
 
@@ -26,7 +26,7 @@ export class OverlayRef implements PortalHost {
   constructor(
       private _portalHost: PortalHost,
       private _pane: HTMLElement,
-      private _state: OverlayState,
+      private _state: OverlayConfig,
       private _ngZone: NgZone) {
 
     if (_state.scrollStrategy) {
@@ -154,7 +154,7 @@ export class OverlayRef implements PortalHost {
   /**
    * Gets the current state config of the overlay.
    */
-  getState(): OverlayState {
+  getState(): OverlayConfig {
     return this._state;
   }
 
diff --git a/src/cdk/overlay/overlay.spec.ts b/src/cdk/overlay/overlay.spec.ts
index 8b1e3c4e2120..424c14385a39 100644
--- a/src/cdk/overlay/overlay.spec.ts
+++ b/src/cdk/overlay/overlay.spec.ts
@@ -11,7 +11,7 @@ import {
   OverlayContainer,
   OverlayModule,
   OverlayRef,
-  OverlayState,
+  OverlayConfig,
   PositionStrategy,
   ScrollStrategy,
 } from './index';
@@ -133,7 +133,7 @@ describe('Overlay', () => {
   });
 
   it('should set the direction', () => {
-    const state = new OverlayState({direction: 'rtl'});
+    const state = new OverlayConfig({direction: 'rtl'});
 
     overlay.create(state).attach(componentPortal);
 
@@ -152,7 +152,7 @@ describe('Overlay', () => {
   });
 
   it('should emit the attachment event after everything is added to the DOM', () => {
-    let state = new OverlayState({hasBackdrop: true});
+    let state = new OverlayConfig({hasBackdrop: true});
     let overlayRef = overlay.create(state);
 
     overlayRef.attachments().subscribe(() => {
@@ -220,10 +220,10 @@ describe('Overlay', () => {
   });
 
   describe('positioning', () => {
-    let state: OverlayState;
+    let state: OverlayConfig;
 
     beforeEach(() => {
-      state = new OverlayState();
+      state = new OverlayConfig();
     });
 
     it('should apply the positioning strategy', () => {
@@ -236,10 +236,10 @@ describe('Overlay', () => {
   });
 
   describe('size', () => {
-    let state: OverlayState;
+    let state: OverlayConfig;
 
     beforeEach(() => {
-      state = new OverlayState();
+      state = new OverlayConfig();
     });
 
     it('should apply the width set in the config', () => {
@@ -320,10 +320,10 @@ describe('Overlay', () => {
   });
 
   describe('backdrop', () => {
-    let config: OverlayState;
+    let config: OverlayConfig;
 
     beforeEach(() => {
-      config = new OverlayState();
+      config = new OverlayConfig();
       config.hasBackdrop = true;
     });
 
@@ -411,7 +411,7 @@ describe('Overlay', () => {
 
   describe('panelClass', () => {
     it('should apply a custom overlay pane class', () => {
-      const config = new OverlayState({panelClass: 'custom-panel-class'});
+      const config = new OverlayConfig({panelClass: 'custom-panel-class'});
 
       overlay.create(config).attach(componentPortal);
       viewContainerFixture.detectChanges();
@@ -421,7 +421,7 @@ describe('Overlay', () => {
     });
 
     it('should be able to apply multiple classes', () => {
-      const config = new OverlayState({panelClass: ['custom-class-one', 'custom-class-two']});
+      const config = new OverlayConfig({panelClass: ['custom-class-one', 'custom-class-two']});
 
       overlay.create(config).attach(componentPortal);
       viewContainerFixture.detectChanges();
@@ -435,12 +435,12 @@ describe('Overlay', () => {
 
   describe('scroll strategy', () => {
     let fakeScrollStrategy: FakeScrollStrategy;
-    let config: OverlayState;
+    let config: OverlayConfig;
     let overlayRef: OverlayRef;
 
     beforeEach(() => {
       fakeScrollStrategy = new FakeScrollStrategy();
-      config = new OverlayState({scrollStrategy: fakeScrollStrategy});
+      config = new OverlayConfig({scrollStrategy: fakeScrollStrategy});
       overlayRef = overlay.create(config);
     });
 
diff --git a/src/cdk/overlay/overlay.ts b/src/cdk/overlay/overlay.ts
index 3af90a695d1b..1de3690e71f0 100644
--- a/src/cdk/overlay/overlay.ts
+++ b/src/cdk/overlay/overlay.ts
@@ -14,7 +14,7 @@ import {
   NgZone,
 } from '@angular/core';
 import {DomPortalHost} from '@angular/cdk/portal';
-import {OverlayState} from './overlay-state';
+import {OverlayConfig} from './overlay-config';
 import {OverlayRef} from './overlay-ref';
 import {OverlayPositionBuilder} from './position/overlay-position-builder';
 import {OverlayContainer} from './overlay-container';
@@ -25,7 +25,7 @@ import {ScrollStrategyOptions} from './scroll/index';
 let nextUniqueId = 0;
 
 /** The default state for newly created overlays. */
-let defaultState = new OverlayState();
+let defaultState = new OverlayConfig();
 
 
 /**
@@ -51,7 +51,7 @@ export class Overlay {
    * @param state State to apply to the overlay.
    * @returns Reference to the created overlay.
    */
-  create(state: OverlayState = defaultState): OverlayRef {
+  create(state: OverlayConfig = defaultState): OverlayRef {
     const pane = this._createPaneElement();
     const portalHost = this._createPortalHost(pane);
     return new OverlayRef(portalHost, pane, state, this._ngZone);
diff --git a/src/cdk/overlay/public_api.ts b/src/cdk/overlay/public_api.ts
index f376b761e4ab..cd7cea149563 100644
--- a/src/cdk/overlay/public_api.ts
+++ b/src/cdk/overlay/public_api.ts
@@ -40,7 +40,7 @@ export {Overlay} from './overlay';
 export {OverlayContainer} from './overlay-container';
 export {FullscreenOverlayContainer} from './fullscreen-overlay-container';
 export {OverlayRef} from './overlay-ref';
-export {OverlayState} from './overlay-state';
+export {OverlayConfig} from './overlay-config';
 export {ConnectedOverlayDirective, OverlayOrigin} from './overlay-directives';
 export {ViewportRuler} from '@angular/cdk/scrolling';
 export {ComponentType} from '@angular/cdk/portal';
diff --git a/src/cdk/overlay/scroll/block-scroll-strategy.spec.ts b/src/cdk/overlay/scroll/block-scroll-strategy.spec.ts
index b7eefac45c2e..ef2d9e131f8b 100644
--- a/src/cdk/overlay/scroll/block-scroll-strategy.spec.ts
+++ b/src/cdk/overlay/scroll/block-scroll-strategy.spec.ts
@@ -3,7 +3,7 @@ import {async, inject, TestBed} from '@angular/core/testing';
 import {ComponentPortal, PortalModule} from '@angular/cdk/portal';
 import {Platform} from '@angular/cdk/platform';
 import {ViewportRuler} from '@angular/cdk/scrolling';
-import {Overlay, OverlayContainer, OverlayModule, OverlayRef, OverlayState} from '../index';
+import {Overlay, OverlayContainer, OverlayModule, OverlayRef, OverlayConfig} from '../index';
 
 
 describe('BlockScrollStrategy', () => {
@@ -23,9 +23,9 @@ describe('BlockScrollStrategy', () => {
   }));
 
   beforeEach(inject([Overlay, ViewportRuler], (overlay: Overlay, viewportRuler: ViewportRuler) => {
-    let overlayState = new OverlayState({scrollStrategy: overlay.scrollStrategies.block()});
+    let overlayConfig = new OverlayConfig({scrollStrategy: overlay.scrollStrategies.block()});
 
-    overlayRef = overlay.create(overlayState);
+    overlayRef = overlay.create(overlayConfig);
     componentPortal = new ComponentPortal(FocacciaMsg);
 
     viewport = viewportRuler;
diff --git a/src/cdk/overlay/scroll/close-scroll-strategy.spec.ts b/src/cdk/overlay/scroll/close-scroll-strategy.spec.ts
index d2b686eb4e95..995a241d665f 100644
--- a/src/cdk/overlay/scroll/close-scroll-strategy.spec.ts
+++ b/src/cdk/overlay/scroll/close-scroll-strategy.spec.ts
@@ -5,7 +5,7 @@ import {ComponentPortal, PortalModule} from '@angular/cdk/portal';
 import {ScrollDispatcher} from '@angular/cdk/scrolling';
 import {
   Overlay,
-  OverlayState,
+  OverlayConfig,
   OverlayRef,
   OverlayModule,
   OverlayContainer,
@@ -33,8 +33,8 @@ describe('CloseScrollStrategy', () => {
   }));
 
   beforeEach(inject([Overlay], (overlay: Overlay) => {
-    let overlayState = new OverlayState({scrollStrategy: overlay.scrollStrategies.close()});
-    overlayRef = overlay.create(overlayState);
+    let overlayConfig = new OverlayConfig({scrollStrategy: overlay.scrollStrategies.close()});
+    overlayRef = overlay.create(overlayConfig);
     componentPortal = new ComponentPortal(MozarellaMsg);
   }));
 
diff --git a/src/cdk/overlay/scroll/reposition-scroll-strategy.spec.ts b/src/cdk/overlay/scroll/reposition-scroll-strategy.spec.ts
index 9405f3752855..042089de1db3 100644
--- a/src/cdk/overlay/scroll/reposition-scroll-strategy.spec.ts
+++ b/src/cdk/overlay/scroll/reposition-scroll-strategy.spec.ts
@@ -7,7 +7,7 @@ import {
   OverlayContainer,
   OverlayModule,
   OverlayRef,
-  OverlayState,
+  OverlayConfig,
   ScrollDispatcher,
 } from '../index';
 
@@ -33,8 +33,8 @@ describe('RepositionScrollStrategy', () => {
   }));
 
   beforeEach(inject([Overlay], (overlay: Overlay) => {
-    let overlayState = new OverlayState({scrollStrategy: overlay.scrollStrategies.reposition()});
-    overlayRef = overlay.create(overlayState);
+    let overlayConfig = new OverlayConfig({scrollStrategy: overlay.scrollStrategies.reposition()});
+    overlayRef = overlay.create(overlayConfig);
     componentPortal = new ComponentPortal(PastaMsg);
   }));
 
diff --git a/src/cdk/overlay/scroll/scroll-strategy.md b/src/cdk/overlay/scroll/scroll-strategy.md
index 72d912d1cec2..35c259832259 100644
--- a/src/cdk/overlay/scroll/scroll-strategy.md
+++ b/src/cdk/overlay/scroll/scroll-strategy.md
@@ -7,15 +7,15 @@ recalculate the position, close the overlay, block scrolling, etc.
 
 ## Usage
 To associate an overlay with a scroll strategy, you have to pass in a function, that returns a
-scroll strategy, to the `OverlayState`. By default, all overlays will use the `noop` strategy which
+scroll strategy, to the `OverlayConfig`. By default, all overlays will use the `noop` strategy which
 doesn't do anything. The other available strategies are `reposition`, `block` and `close`:
 
 ```ts
-let overlayState = new OverlayState({
+let overlayConfig = new OverlayConfig({
   scrollStrategy: overlay.scrollStrategies.block()
 });
 
-this._overlay.create(overlayState).attach(yourPortal);
+this._overlay.create(overlayConfig).attach(yourPortal);
 ```
 
 ## Creating a custom scroll strategy
@@ -35,6 +35,6 @@ export class CustomScrollStrategy implements ScrollStrategy {
   // your implementation
 }
 
-overlayState.scrollStrategy = new CustomScrollStrategy();
-this._overlay.create(overlayState).attach(yourPortal);
+overlayConfig.scrollStrategy = new CustomScrollStrategy();
+this._overlay.create(overlayConfig).attach(yourPortal);
 ```
diff --git a/src/demo-app/overlay/overlay-demo.ts b/src/demo-app/overlay/overlay-demo.ts
index 1cf11b4796aa..1247fd6d2c61 100644
--- a/src/demo-app/overlay/overlay-demo.ts
+++ b/src/demo-app/overlay/overlay-demo.ts
@@ -1,4 +1,4 @@
-import {Overlay, OverlayOrigin, OverlayState} from '@angular/cdk/overlay';
+import {Overlay, OverlayOrigin, OverlayConfig} from '@angular/cdk/overlay';
 import {
   ComponentPortal,
   // This import is only used to define a generic type. The current TypeScript version incorrectly
@@ -37,7 +37,7 @@ export class OverlayDemo {
   constructor(public overlay: Overlay, public viewContainerRef: ViewContainerRef) { }
 
   openRotiniPanel() {
-    let config = new OverlayState();
+    let config = new OverlayConfig();
 
     config.positionStrategy = this.overlay.position()
         .global()
@@ -51,7 +51,7 @@ export class OverlayDemo {
   }
 
   openFusilliPanel() {
-    let config = new OverlayState();
+    let config = new OverlayConfig();
 
     config.positionStrategy = this.overlay.position()
         .global()
@@ -72,7 +72,7 @@ export class OverlayDemo {
             {originX: 'start', originY: 'bottom'},
             {overlayX: 'start', overlayY: 'top'} );
 
-    let config = new OverlayState({positionStrategy: strategy});
+    let config = new OverlayConfig({positionStrategy: strategy});
     let overlayRef = this.overlay.create(config);
 
     overlayRef.attach(new ComponentPortal(SpagettiPanel, this.viewContainerRef));
@@ -85,14 +85,14 @@ export class OverlayDemo {
             {originX: 'start', originY: 'bottom'},
             {overlayX: 'end', overlayY: 'top'} );
 
-    let config = new OverlayState({positionStrategy: strategy});
+    let config = new OverlayConfig({positionStrategy: strategy});
     let overlayRef = this.overlay.create(config);
 
     overlayRef.attach(this.tortelliniTemplate);
   }
 
   openPanelWithBackdrop() {
-    let config = new OverlayState({
+    let config = new OverlayConfig({
       hasBackdrop: true,
       backdropClass: 'cdk-overlay-transparent-backdrop',
       positionStrategy: this.overlay.position().global().centerHorizontally()
diff --git a/src/lib/autocomplete/autocomplete-trigger.ts b/src/lib/autocomplete/autocomplete-trigger.ts
index 972b78fe9823..89e8d3487b90 100644
--- a/src/lib/autocomplete/autocomplete-trigger.ts
+++ b/src/lib/autocomplete/autocomplete-trigger.ts
@@ -12,7 +12,7 @@ import {
   ConnectedPositionStrategy,
   Overlay,
   OverlayRef,
-  OverlayState,
+  OverlayConfig,
   PositionStrategy,
   RepositionScrollStrategy,
   ScrollStrategy,
@@ -464,8 +464,8 @@ export class MdAutocompleteTrigger implements ControlValueAccessor, OnDestroy {
     this._panelOpen = true;
   }
 
-  private _getOverlayConfig(): OverlayState {
-    return new OverlayState({
+  private _getOverlayConfig(): OverlayConfig {
+    return new OverlayConfig({
       positionStrategy: this._getOverlayPosition(),
       scrollStrategy: this._scrollStrategy(),
       width: this._getHostWidth(),
diff --git a/src/lib/datepicker/datepicker.ts b/src/lib/datepicker/datepicker.ts
index df5c6190499e..6dc3fa084e9c 100644
--- a/src/lib/datepicker/datepicker.ts
+++ b/src/lib/datepicker/datepicker.ts
@@ -12,7 +12,7 @@ import {ESCAPE} from '@angular/cdk/keycodes';
 import {
   Overlay,
   OverlayRef,
-  OverlayState,
+  OverlayConfig,
   PositionStrategy,
   RepositionScrollStrategy,
   ScrollStrategy,
@@ -329,7 +329,7 @@ export class MdDatepicker<D> implements OnDestroy {
 
   /** Create the popup. */
   private _createPopup(): void {
-    const overlayState = new OverlayState({
+    const overlayState = new OverlayConfig({
       positionStrategy: this._createPopupPositionStrategy(),
       hasBackdrop: true,
       backdropClass: 'md-overlay-transparent-backdrop',
diff --git a/src/lib/dialog/dialog.ts b/src/lib/dialog/dialog.ts
index 86865578919c..5ff66f717a0b 100644
--- a/src/lib/dialog/dialog.ts
+++ b/src/lib/dialog/dialog.ts
@@ -11,7 +11,7 @@ import {
   BlockScrollStrategy,
   Overlay,
   OverlayRef,
-  OverlayState,
+  OverlayConfig,
   ScrollStrategy,
 } from '@angular/cdk/overlay';
 import {ComponentPortal, ComponentType, TemplatePortal} from '@angular/cdk/portal';
@@ -181,8 +181,8 @@ export class MdDialog {
    * @param dialogConfig The dialog configuration.
    * @returns The overlay configuration.
    */
-  private _getOverlayState(dialogConfig: MdDialogConfig): OverlayState {
-    const state = new OverlayState({
+  private _getOverlayState(dialogConfig: MdDialogConfig): OverlayConfig {
+    const state = new OverlayConfig({
       positionStrategy: this._overlay.position().global(),
       scrollStrategy: this._scrollStrategy(),
       panelClass: dialogConfig.panelClass,
diff --git a/src/lib/menu/menu-trigger.ts b/src/lib/menu/menu-trigger.ts
index 7c3b7385f275..4d6c8e9d475b 100644
--- a/src/lib/menu/menu-trigger.ts
+++ b/src/lib/menu/menu-trigger.ts
@@ -14,7 +14,7 @@ import {
   HorizontalConnectionPos,
   Overlay,
   OverlayRef,
-  OverlayState,
+  OverlayConfig,
   RepositionScrollStrategy,
   ScrollStrategy,
   VerticalConnectionPos,
@@ -317,10 +317,10 @@ export class MdMenuTrigger implements AfterViewInit, OnDestroy {
 
   /**
    * This method builds the configuration object needed to create the overlay, the OverlayState.
-   * @returns OverlayState
+   * @returns OverlayConfig
    */
-  private _getOverlayConfig(): OverlayState {
-    return new OverlayState({
+  private _getOverlayConfig(): OverlayConfig {
+    return new OverlayConfig({
       positionStrategy: this._getPosition(),
       hasBackdrop: !this.triggersSubmenu(),
       backdropClass: 'cdk-overlay-transparent-backdrop',
diff --git a/src/lib/snack-bar/snack-bar.ts b/src/lib/snack-bar/snack-bar.ts
index a4ed737b2add..e4e3a13a3d86 100644
--- a/src/lib/snack-bar/snack-bar.ts
+++ b/src/lib/snack-bar/snack-bar.ts
@@ -7,7 +7,7 @@
  */
 
 import {ComponentRef, Injectable, Injector, Optional, SkipSelf } from '@angular/core';
-import {Overlay, OverlayRef, OverlayState} from '@angular/cdk/overlay';
+import {Overlay, OverlayRef, OverlayConfig} from '@angular/cdk/overlay';
 import {ComponentPortal, ComponentType} from '@angular/cdk/portal';
 import {LiveAnnouncer} from '@angular/cdk/a11y';
 import {PortalInjector} from '@angular/material/core';
@@ -153,7 +153,7 @@ export class MdSnackBar {
    * @param config The user-specified snack bar config.
    */
   private _createOverlay(config: MdSnackBarConfig): OverlayRef {
-    const state = new OverlayState();
+    const state = new OverlayConfig();
     state.direction = config.direction;
 
     let positionStrategy = this._overlay.position().global();
diff --git a/src/lib/tooltip/tooltip.ts b/src/lib/tooltip/tooltip.ts
index 7cca6e1c9fb9..6162f12cf6af 100644
--- a/src/lib/tooltip/tooltip.ts
+++ b/src/lib/tooltip/tooltip.ts
@@ -16,7 +16,7 @@ import {
   Overlay,
   OverlayConnectionPosition,
   OverlayRef,
-  OverlayState,
+  OverlayConfig,
   RepositionScrollStrategy,
   ScrollStrategy,
 } from '@angular/cdk/overlay';
@@ -309,7 +309,7 @@ export class MdTooltip implements OnDestroy {
       }
     });
 
-    const config = new OverlayState({
+    const config = new OverlayConfig({
       direction: this._dir ? this._dir.value : 'ltr',
       positionStrategy: strategy,
       panelClass: TOOLTIP_PANEL_CLASS,