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[WIP] Add event buffering on scroll/resume

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This commit is contained in:
gconsidine
2018-02-26 11:18:02 -05:00
committed by Jake McDermott
parent 60a43015e2
commit a5bd905f18
2 changed files with 25 additions and 17 deletions
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37
awx/ui/client/features/output/index.controller.js
View File

@@ -106,33 +106,32 @@ function JobsIndexController (
} }
function processWebSocketEvents (scope, data) { function processWebSocketEvents (scope, data) {
vm.scroll.isActive = true;
if (data.event === JOB_START) { if (data.event === JOB_START) {
vm.scroll.isActive = true;
vm.stream.isActive = true; vm.stream.isActive = true;
vm.scroll.isLocked = true; vm.scroll.isLocked = true;
} else if (data.event === JOB_END) { } else if (data.event === JOB_END) {
vm.stream.isActive = false; vm.stream.isActive = false;
} }
if (!vm.scroll.isLocked) { // TODO: Determine how to manage buffered events (store in page cache vs. separate)
vm.scroll.isActive = false; // Leaning towards keeping separate (same as they come in over WS). On resume of scroll,
// Clear/reset cache, append buffered events, then back to normal render cycle
return;
}
if (vm.stream.count % resource.page.size === 0) { if (vm.stream.count % resource.page.size === 0) {
cache.push({ cache.push({ page: vm.stream.page });
page: vm.stream.page
});
vm.stream.page++; vm.stream.page++;
if (buffer.length > (resource.page.resultLimit - resource.page.size)) {
buffer.splice(0, (buffer.length - resource.page.resultLimit) + resource.page.size);
}
} }
vm.stream.count++; vm.stream.count++;
buffer.push(data); buffer.push(data);
if (vm.stream.isRendering) { if (vm.stream.isRendering || !vm.scroll.isLocked) {
return; return;
} }
@@ -280,7 +279,7 @@ function prepend (events) {
function pop () { function pop () {
// console.log('[3] popping old page'); // console.log('[3] popping old page');
return $q(resolve => { return $q(resolve => {
if (cache.length <= resource.page.limit) { if (cache.length <= resource.page.pageLimit) {
// console.log('[3.1] nothing to pop'); // console.log('[3.1] nothing to pop');
return resolve(); return resolve();
} }
@@ -299,16 +298,16 @@ function pop () {
} }
function shift () { function shift () {
// console.log('[3] shifting old page'); console.log('[3] shifting old page', cache.length);
return $q(resolve => { return $q(resolve => {
if (cache.length <= resource.page.limit) { if (cache.length <= resource.page.pageLimit) {
// console.log('[3.1] nothing to shift'); // console.log('[3.1] nothing to shift');
return resolve(); return resolve();
} }
window.requestAnimationFrame(() => { window.requestAnimationFrame(() => {
const ejected = cache.shift(); const ejected = cache.shift();
// console.log('[3.1] shifting', ejected); console.log('[3.1] shifting', ejected);
const rows = $(ELEMENT_TBODY).children().slice(0, ejected.lines); const rows = $(ELEMENT_TBODY).children().slice(0, ejected.lines);
rows.empty(); rows.empty();
@@ -639,8 +638,16 @@ function scrollHome () {
function scrollEnd () { function scrollEnd () {
if (vm.scroll.isLocked) { if (vm.scroll.isLocked) {
vm.scroll.isLocked = false; vm.scroll.isLocked = false;
vm.scroll.isActive = false;
return; return;
} else if (!vm.scroll.isLocked && vm.stream.isActive) {
vm.scroll.isActive = true;
return clear()
.then(() => {
vm.scroll.isLocked = true;
});
} }
const config = { const config = {

5
awx/ui/client/features/output/index.js
View File

@@ -59,8 +59,9 @@ function resolveResource (Job, ProjectUpdate, AdHocCommand, SystemJob, WorkflowJ
ws: getWebSocketResource(type), ws: getWebSocketResource(type),
page: { page: {
cache: PAGE_CACHE, cache: PAGE_CACHE,
limit: PAGE_LIMIT, size: PAGE_SIZE,
size: PAGE_SIZE pageLimit: PAGE_LIMIT,
resultLimit: PAGE_SIZE * PAGE_LIMIT
} }
}; };
}); });