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virtual-scroll: only move views that need to be moved #10099

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Merged
merged 2 commits into from
Feb 27, 2018

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mmalerba
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@mmalerba mmalerba requested review from amcdnl and jelbourn February 22, 2018 21:48
@googlebot googlebot added the cla: yes PR author has agreed to Google's Contributor License Agreement label Feb 22, 2018
@mmalerba mmalerba requested a review from crisbeto February 23, 2018 16:24
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LGTM

// left is the unchanged items that we queue up to be re-inserted.
i = previousViews.length;
// Update the context variables on all items.
let i = this._viewContainerRef.length, count = this._data.length;
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I don't think we do these kinds of declarations anywhere else in the codebase.

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We don't, but this is a very performance-sensitive part, so we want to be as efficient as possible.

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I think he mean't the comma definition.

});

// Update $implicit for any items that had an identity change.
changes.forEachIdentityChange((record: any) => {
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@crisbeto crisbeto Feb 24, 2018

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The record param is an IterableChangeRecord instead of an any.

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LGTM

@mmalerba mmalerba merged commit 234414c into angular:virtual-scroll Feb 27, 2018
mmalerba added a commit that referenced this pull request Mar 7, 2018
* virtual-scroll: only move views that need to be moved

* address comments
mmalerba added a commit that referenced this pull request Mar 9, 2018
* virtual-scroll: only move views that need to be moved

* address comments
mmalerba added a commit that referenced this pull request Mar 19, 2018
* virtual-scroll: only move views that need to be moved

* address comments
mmalerba added a commit to mmalerba/components that referenced this pull request Apr 5, 2018
* virtual-scroll: only move views that need to be moved

* address comments
mmalerba added a commit that referenced this pull request May 22, 2018
* feat(virtual-scroll): fixed size virtual scroll (#9316)

* feat(virtual-scroll): fixed size virtual scroll

* address some comments

* change VirtualScrollStrategy interface a bit

* address some more comments

* fix lint & build

* chore: move virtual-scroll to cdk-experimental (#9974)

* virtual-scroll: simplify scroll listener logic (#10102)

* virtual-scroll: only move views that need to be moved (#10099)

* virtual-scroll: only move views that need to be moved

* address comments

* virtual-scroll: switch `throttleTime` to `sampleTime` (#10179)

* virtual-scroll: switch throttleTime to sampleTime

* add comment

* virtual-scroll: allow user to pass `Observable<T[]>` (#10158)

* virtual-scroll: rename `Range` to `ListRange` to avoid confusion with native `Range` (#10220)

* virtual-scroll: add autosize scroll strategy (#10219)

* rename fixed size virtual scroll directive

* add autosize virtual scroll strategy

* add item size estimator class

* add logic for jumping rendered content based on scroll position

* address comments

* virtual-scroll: add `onContentRendered` hook to `VirtualScrollStrategy` (#10290)

* virtual-scroll: add `onContentRendered` hook to `VirtualScrollStrategy`

* address comemnts

* virtual-scroll: add incremental scroll logic in `AutosizeVirtualScrollStrategy` (#10504)

* virtual-scroll: add incremental scroll logic in `AutosizeVirtualScrollStrategy`.

This still has a couple issues that need to be ironed out and it doesn't
have the code for correcting the error between the predicted and actual
scroll position. (See various TODOs for additional things that need
work).

* fix lint

* address comments

* address comments

* fix bazel

* fix devapp

* fix lint

* cleanup

* virtual-scroll: rewrite offset in terms of "to-top" and fix a bug where items were removed too soon (#10986)

* rewrite offsets to the end of the rendered content as offsets to the
start

* add some more autosize demos for testing

* make sure not to remove too many items

* address comments

* virtual-scroll: address amcdnl's feedback (#10988)

* rewrite offsets to the end of the rendered content as offsets to the
start

* add some more autosize demos for testing

* make sure not to remove too many items

* virtual-scroll: address amcdnl's feedback

* virtual-scroll: fix updating when data changes and add trackBy demos (#11085)

* virtual-scroll: add logic to correct the scroll position as user move… (#11137)

* virtual-scroll: add logic to correct the scroll position as user moves toward the top

* address comments

* fix(scrolling): adds right to fix pushed content (#11192)

* fix(scrolling): adds right to fix pushed content

* chore: address feedback

* chore: address pr feedback

* virtual-scroll: add tests for fixed size items (#11255)

* virtual-scroll: add tests for fixed size items

* address comments

* fix bug in fixed size strategy

* fix bazel build

* virtual-scroll: add tests for `cdkVirtualFor` logic (#11275)

* merge fixed size test components into one

* add tests for cdkVirtualFor logic

* allow undefined to be explicitly passed as trackBy

* fix bazel build

* address comments

* add some basic tests (#11295)

* fix lint

* virtual-scroll: add e2e tests for autosize scroll strategy (#11345)

* set up virtual scroll page in e2e app

* add gulp task for e2e:watch

* add e2e tests for autosize

* address comments

* address comments

* fix lint and tests

* fix bad rebase

* fix(scrolling): scrollbar jump when data change on scroll (#11193)

* fix(scrolling): data change not updating size

* chore: remove todo

* chore: more performant fix for jump
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5 participants