feat: remove the need for forRoot on material NgModules

Author: jelbourn

src/lib/autocomplete/index.ts

@@ -15,6 +15,7 @@ export * from './autocomplete-trigger';
   declarations: [MdAutocomplete, MdAutocompleteTrigger],
 })
 export class MdAutocompleteModule {
+  /** @deprecated */
   static forRoot(): ModuleWithProviders {
     return {
       ngModule: MdAutocompleteModule,

src/lib/button-toggle/button-toggle.ts

@@ -24,6 +24,7 @@ import {
   UniqueSelectionDispatcher,
   coerceBooleanProperty,
   DefaultStyleCompatibilityModeModule,
+  UNIQUE_SELECTION_DISPATCHER_PROVIDER,
 } from '../core';
 
 /** Acceptable types for a button toggle. */
@@ -463,12 +464,14 @@ export class MdButtonToggle implements OnInit {
     DefaultStyleCompatibilityModeModule,
   ],
   declarations: [MdButtonToggleGroup, MdButtonToggleGroupMultiple, MdButtonToggle],
+  providers: [UNIQUE_SELECTION_DISPATCHER_PROVIDER]
 })
 export class MdButtonToggleModule {
+  /** @deprecated */
   static forRoot(): ModuleWithProviders {
     return {
       ngModule: MdButtonToggleModule,
-      providers: [UniqueSelectionDispatcher]
+      providers: []
     };
   }
 }

src/lib/button/button.ts

@@ -11,7 +11,6 @@ import {
 } from '@angular/core';
 import {CommonModule} from '@angular/common';
 import {MdRippleModule, coerceBooleanProperty, DefaultStyleCompatibilityModeModule} from '../core';
-import {ViewportRuler} from '../core/overlay/position/viewport-ruler';
 
 
 // TODO(jelbourn): Make the `isMouseDown` stuff done with one global listener.
@@ -167,10 +166,11 @@ export class MdAnchor extends MdButton {
   declarations: [MdButton, MdAnchor],
 })
 export class MdButtonModule {
+  /** @deprecated */
   static forRoot(): ModuleWithProviders {
     return {
       ngModule: MdButtonModule,
-      providers: [ViewportRuler]
+      providers: []
     };
   }
 }

src/lib/card/card.ts

@@ -119,6 +119,7 @@ export class MdCardTitleGroup {}
   ],
 })
 export class MdCardModule {
+  /** @deprecated */
   static forRoot(): ModuleWithProviders {
     return {
       ngModule: MdCardModule,

src/lib/checkbox/checkbox.ts

@@ -17,7 +17,6 @@ import {CommonModule} from '@angular/common';
 import {NG_VALUE_ACCESSOR, ControlValueAccessor} from '@angular/forms';
 import {coerceBooleanProperty} from '../core/coercion/boolean-property';
 import {MdRippleModule, DefaultStyleCompatibilityModeModule} from '../core';
-import {ViewportRuler} from '../core/overlay/position/viewport-ruler';
 
 
 /** Monotonically increasing integer used to auto-generate unique ids for checkbox components. */
@@ -399,10 +398,11 @@ export class MdCheckbox implements ControlValueAccessor {
   declarations: [MdCheckbox],
 })
 export class MdCheckboxModule {
+  /** @deprecated */
   static forRoot(): ModuleWithProviders {
     return {
       ngModule: MdCheckboxModule,
-      providers: [ViewportRuler]
+      providers: []
     };
   }
 }

src/lib/chips/chip-list.ts

@@ -215,6 +215,7 @@ export class MdChipList implements AfterContentInit {
   declarations: [MdChipList, MdChip]
 })
 export class MdChipsModule {
+  /** @deprecated */
   static forRoot(): ModuleWithProviders {
     return {
       ngModule: MdChipsModule,

src/lib/core/a11y/index.ts

@@ -1,25 +1,22 @@
 import {NgModule, ModuleWithProviders} from '@angular/core';
 import {FocusTrap} from './focus-trap';
-import {LiveAnnouncer} from './live-announcer';
+import {LIVE_ANNOUNCER_PROVIDER} from './live-announcer';
 import {InteractivityChecker} from './interactivity-checker';
 import {CommonModule} from '@angular/common';
 import {PlatformModule} from '../platform/index';
 
-export const A11Y_PROVIDERS = [LiveAnnouncer, InteractivityChecker];
-
 @NgModule({
   imports: [CommonModule, PlatformModule],
   declarations: [FocusTrap],
   exports: [FocusTrap],
+  providers: [InteractivityChecker, LIVE_ANNOUNCER_PROVIDER]
 })
 export class A11yModule {
+  /** @deprecated */
   static forRoot(): ModuleWithProviders {
     return {
       ngModule: A11yModule,
-      providers: [
-        PlatformModule.forRoot().providers,
-        A11Y_PROVIDERS,
-      ],
+      providers: [],
     };
   }
 }

src/lib/core/a11y/live-announcer.spec.ts

@@ -115,4 +115,3 @@ class TestApp {
     this.live.announce(message);
   }
 }
-

src/lib/core/a11y/live-announcer.ts

@@ -2,7 +2,8 @@ import {
   Injectable,
   OpaqueToken,
   Optional,
-  Inject
+  Inject,
+  SkipSelf,
 } from '@angular/core';
 
 export const LIVE_ANNOUNCER_ELEMENT_TOKEN  = new OpaqueToken('liveAnnouncerElement');
@@ -62,3 +63,17 @@ export class LiveAnnouncer {
   }
 
 }
+
+export function LIVE_ANNOUNCER_PROVIDER_FACTORY(parentDispatcher: LiveAnnouncer, liveElement: any) {
+  return parentDispatcher || new LiveAnnouncer(liveElement);
+};
+
+export const LIVE_ANNOUNCER_PROVIDER = {
+  // If there is already a LiveAnnouncer available, use that. Otherwise, provide a new one.
+  provide: LiveAnnouncer,
+  deps: [
+    [new Optional(), new SkipSelf(), LiveAnnouncer],
+    [new Optional(), new Inject(LIVE_ANNOUNCER_ELEMENT_TOKEN)]
+  ],
+  useFactory: LIVE_ANNOUNCER_PROVIDER_FACTORY
+};

src/lib/core/compatibility/default-mode.ts

@@ -71,6 +71,7 @@ export class MatPrefixEnforcer {
   }]
 })
 export class DefaultStyleCompatibilityModeModule {
+  /** @deprecated */
   static forRoot(): ModuleWithProviders {
     return {
       ngModule: DefaultStyleCompatibilityModeModule,