From 4ef4d06413169971a3919aa0c935eb321be7288b Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Sun, 14 Feb 2021 21:48:55 -0500
Subject: fixed freeformview focus to not pan annotation documents or
 layoutEngine freeform views. fixed some exceptions.  cleaned up focus()
 return value.

---
 src/client/views/nodes/DocumentView.tsx | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

(limited to 'src/client/views/nodes')

diff --git a/src/client/views/nodes/DocumentView.tsx b/src/client/views/nodes/DocumentView.tsx
index 9d91311f6..7dea3784e 100644
--- a/src/client/views/nodes/DocumentView.tsx
+++ b/src/client/views/nodes/DocumentView.tsx
@@ -42,14 +42,19 @@ import { PresBox } from './PresBox';
 import { RadialMenu } from './RadialMenu';
 import React = require("react");
 
+export enum ViewAdjustment {
+    resetView = 1,
+    doNothing = 0
+
+}
 export interface DocFocusOptions {
-    originalTarget?: Doc;
-    willZoom?: boolean;
-    scale?: number;
-    afterFocus?: DocAfterFocusFunc;
-    docTransform?: Transform;
+    originalTarget?: Doc; // set in JumpToDocument, used by TabDocView to determine whether to fit contents to tab
+    willZoom?: boolean;   // determines whether to zoom in on target document
+    scale?: number;       // percent of containing frame to zoom into document
+    afterFocus?: DocAfterFocusFunc;  // function to call after focusing on a document
+    docTransform?: Transform; // when a document can't be panned and zoomed within its own container (say a group), then we need to continue to move up the render hierarchy to find something that can pan and zoom.  when this happens the docTransform must accumulate all the transforms of each level of the hierarchy
 }
-export type DocAfterFocusFunc = (notFocused: boolean) => Promise<boolean>;
+export type DocAfterFocusFunc = (notFocused: boolean) => Promise<ViewAdjustment>;
 export type DocFocusFunc = (doc: Doc, options?: DocFocusOptions) => void;
 export type StyleProviderFunc = (doc: Opt<Doc>, props: Opt<DocumentViewProps | FieldViewProps>, property: string) => any;
 export interface DocComponentView {
@@ -385,10 +390,10 @@ export class DocumentViewInternal extends DocComponent<DocumentViewInternalProps
 
     focus = (doc: Doc, options?: DocFocusOptions) => {
         const focusSpeed = this._componentView?.scrollFocus?.(doc, !LinkDocPreview.LinkInfo); // bcz: smooth parameter should really be passed into focus() instead of inferred here      
-        const endFocus = focusSpeed === undefined ? options?.afterFocus : async (moved: boolean) => options?.afterFocus ? options?.afterFocus(true) : false;
+        const endFocus = focusSpeed === undefined ? options?.afterFocus : async (moved: boolean) => options?.afterFocus ? options?.afterFocus(true) : ViewAdjustment.doNothing;
         this.props.focus(options?.docTransform ? doc : this.rootDoc, {
             ...options, afterFocus: (didFocus: boolean) =>
-                new Promise<boolean>(res => setTimeout(async () => res(endFocus ? await endFocus(didFocus) : false), focusSpeed ?? 0))
+                new Promise<ViewAdjustment>(res => setTimeout(async () => res(endFocus ? await endFocus(didFocus) : ViewAdjustment.doNothing), focusSpeed ?? 0))
         });
 
     }
-- 
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