diff --git a/src/bloom-player-core.tsx b/src/bloom-player-core.tsx index a76a130..847ae9c 100644 --- a/src/bloom-player-core.tsx +++ b/src/bloom-player-core.tsx @@ -74,6 +74,7 @@ import { playAllSentences } from "./narration"; import { logSound } from "./videoRecordingSupport"; +import { playSoundOf } from "./dragActivityRuntime"; // BloomPlayer takes a URL param that directs it to Bloom book. // (See comment on sourceUrl for exactly how.) // It displays pages from the book and allows them to be turned by dragging. @@ -2102,7 +2103,13 @@ export class BloomPlayerCore extends React.Component { if ( !this.state.ignorePhonyClick && // if we're dragging, that isn't a click we want to propagate this.props.onContentClick && - !this.activityManager.getActivityAbsorbsClicking() + !this.activityManager.getActivityAbsorbsClicking() && + // clicks in video containers are probably aimed at the video controls. + // I tried adding another click handler to the video container with stopPropagation, + // but for some reason it didn't work. + !(e.target as HTMLElement).closest( + ".bloom-videoContainer" + ) ) { this.props.onContentClick(e); } @@ -2501,6 +2508,12 @@ export class BloomPlayerCore extends React.Component { } BloomPlayerCore.addScrollbarsToPage(bloomPage); + const soundItems = Array.from( + bloomPage.querySelectorAll("[data-sound]") + ); + soundItems.forEach((elt: HTMLElement) => { + elt.addEventListener("click", playSoundOf); + }); }, 0); // do this on the next cycle, so we don't block scrolling and display of the next page } diff --git a/src/dragActivityRuntime.ts b/src/dragActivityRuntime.ts index f26b212..01bfa63 100644 --- a/src/dragActivityRuntime.ts +++ b/src/dragActivityRuntime.ts @@ -18,7 +18,12 @@ import { urlPrefix } from "./narration"; -let targetPositions: { x: number; y: number }[] = []; +let targetPositions: { + x: number; + y: number; + width: number; + height: number; +}[] = []; let originalPositions = new Map(); let currentPage: HTMLElement | undefined; // Action to invoke if the user clicks a change page button. @@ -82,6 +87,12 @@ export function prepareActivity( } ); + // By default, a shadow of any image can be dragged (e.g., to a paint program). + // We want only dragging that is part of the game to be possible. + Array.from(page.getElementsByTagName("img")).forEach((img: HTMLElement) => { + img.setAttribute("draggable", "false"); + }); + // Record the positions of targets as snap locations and the original positions of draggables. // Add event listeners to draggables to start dragging. targetPositions = []; @@ -96,7 +107,12 @@ export function prepareActivity( if (target) { const x = target.offsetLeft; const y = target.offsetTop; - targetPositions.push({ x, y }); + targetPositions.push({ + x, + y, + width: target.offsetWidth, + height: target.offsetHeight + }); targets.push(target); } // if it has data-bubble-id, it should be draggable, just not needed @@ -105,6 +121,20 @@ export function prepareActivity( elt.addEventListener("pointerdown", startDrag, { capture: true }); }); + const videos = Array.from(page.getElementsByTagName("video")); + videos.forEach(video => { + video.addEventListener("pointerdown", playVideo); + if ( + video + .closest(".bloom-textOverPicture") + ?.hasAttribute("data-bubble-id") + ) { + // don't want to show controls on these, because they are typically too small, + // and the play time is short enough that just click-to-play is fine + video.classList.add("bloom-ui-no-controls"); + } + }); + // Add event listeners to (other) text items that should play audio when clicked. const dontPlayWhenClicked = draggables.concat(targets); const otherTextItems = Array.from( @@ -194,6 +224,11 @@ const prepareOrderSentenceActivity = (page: HTMLElement) => { ); }; +const playVideo = (e: MouseEvent) => { + const video = e.currentTarget as HTMLVideoElement; + video.play(); +}; + // Cleans up whatever prepareACtivity() did, especially when switching to another tab. // May also be useful to do when switching pages in player. If not, we may want to move // this out of this runtime file; but it's nice to keep it with prepareActivity. @@ -215,6 +250,16 @@ export function undoPrepareActivity(page: HTMLElement) { page.querySelectorAll("[data-bubble-id]").forEach((elt: HTMLElement) => { elt.removeEventListener("pointerdown", startDrag, { capture: true }); }); + + Array.from(page.getElementsByTagName("img")).forEach((img: HTMLElement) => { + img.removeAttribute("draggable"); + }); + + const videos = Array.from(page.getElementsByTagName("video")); + videos.forEach(video => { + video.removeEventListener("pointerdown", playVideo); + video.classList.remove("bloom-ui-no-controls"); + }); const checkButtons = Array.from( page.getElementsByClassName("check-button") ); @@ -235,6 +280,9 @@ export function undoPrepareActivity(page: HTMLElement) { elt.removeEventListener("click", performTryAgain); }); + // In Bloom Player, this will have been done by other play code, since data-sound is not + // specfic to games. But we're adding a listener for the same function, so it doesn't matter. + // In Bloom desktop, we need this to make cliking data-sound elements work in Play mode. const soundItems = Array.from(page.querySelectorAll("[data-sound]")); soundItems.forEach((elt: HTMLElement) => { elt.removeEventListener("click", playSoundOf); @@ -252,12 +300,16 @@ export function undoPrepareActivity(page: HTMLElement) { // }); } -const playSoundOf = (e: MouseEvent) => { +export const playSoundOf = (e: MouseEvent) => { const elt = e.currentTarget as HTMLElement; const soundFile = elt.getAttribute("data-sound"); if (soundFile) { playSound(elt, soundFile); } + // Not needed in Play tab, but in Bloom Player, the click would otherwise cause + // a toggle between full screen and showing toolbars. + e.preventDefault(); + e.stopPropagation(); }; const playAudioOfTarget = (e: PointerEvent) => { @@ -316,6 +368,9 @@ export function playInitialElements(page: HTMLElement) { if (top.classList.contains("draggable-text")) { return false; // draggable items are played only when clicked } + if (top.hasAttribute("data-bubble-id")) { + return false; // another indication of a draggable item; in fact, the one above might be obsolete + } if (top.classList.contains("drag-item-order-sentence")) { return false; // This would give away the answer } @@ -413,8 +468,10 @@ const showCorrect = (e: MouseEvent) => { if (!target) { return; // this one is not required to be in a right place } - const x = target.offsetLeft; - const y = target.offsetTop; + const x = + target.offsetLeft + (target.offsetWidth - elt.offsetWidth) / 2; + const y = + target.offsetTop + (target.offsetHeight - elt.offsetHeight) / 2; elt.style.left = x + "px"; elt.style.top = y + "px"; }); @@ -464,6 +521,7 @@ const startDrag = (e: PointerEvent) => { target.addEventListener("pointerup", stopDrag); target.addEventListener("pointermove", elementDrag); playAudioOf(target); + target.classList.add("bloom-ui-dragging"); }; const elementDrag = (e: PointerEvent) => { @@ -477,13 +535,16 @@ const elementDrag = (e: PointerEvent) => { let xBest = x; let yBest = y; for (const slot of targetPositions) { - const deltaX = slot.x - x; - const deltaY = slot.y - y; + const offsetX = (slot.width - dragTarget.offsetWidth) / 2; + const offsetY = (slot.height - dragTarget.offsetHeight) / 2; + // if this target were centered in this slot, it would be at slot.x + offsetX, slot.y + offsetY + const deltaX = slot.x + offsetX - x; + const deltaY = slot.y + offsetY - y; const delta = Math.sqrt(deltaX * deltaX + deltaY * deltaY); if (delta < deltaMin) { deltaMin = delta; - xBest = slot.x; - yBest = slot.y; + xBest = slot.x + offsetX; + yBest = slot.y + offsetY; } } if (deltaMin < 50) { @@ -503,6 +564,7 @@ const stopDrag = (e: PointerEvent) => { dragTarget.style.top = oldPosition?.y + "px"; dragTarget.style.left = oldPosition?.x + "px"; } + dragTarget.classList.remove("bloom-ui-dragging"); dragTarget.removeEventListener("pointerup", stopDrag); dragTarget.removeEventListener("pointermove", elementDrag); @@ -515,10 +577,7 @@ const stopDrag = (e: PointerEvent) => { if (elt === dragTarget) { return; } - if ( - elt.offsetLeft === dragTarget.offsetLeft && - elt.offsetTop === dragTarget.offsetTop - ) { + if (rightPosition(elt, dragTarget)) { const originalPosition = originalPositions.get(elt); if (originalPosition) { elt.style.left = originalPosition.x + "px"; @@ -535,16 +594,18 @@ const getVisibleText = (elt: HTMLElement): string => { .join(" "); }; -const rightPosition = ( - elt: HTMLElement, - correctX: number, - correctY: number -) => { - const actualX = elt.offsetLeft; - const actualY = elt.offsetTop; +const rightPosition = (draggableToCheck: HTMLElement, target: HTMLElement) => { + const actualX = draggableToCheck.offsetLeft; + const actualY = draggableToCheck.offsetTop; + const correctX = + target.offsetLeft + + (target.offsetWidth - draggableToCheck.offsetWidth) / 2; + const correctY = + target.offsetTop + + (target.offsetHeight - draggableToCheck.offsetHeight) / 2; return ( - // Since anything correct should be snapped, using a range probably isn't necessary - Math.abs(correctX - actualX) < 0.5 && Math.abs(correctY - actualY) < 0.5 + // At least a half-pixel error can occur just from centering the draggable in the target. + Math.abs(correctX - actualX) < 0.6 && Math.abs(correctY - actualY) < 0.6 ); }; @@ -647,10 +708,7 @@ function checkDraggables(page: HTMLElement) { return; } - const correctX = target.offsetLeft; - const correctY = target.offsetTop; - - if (!rightPosition(draggableToCheck, correctX, correctY)) { + if (!rightPosition(draggableToCheck, target)) { // It's not in the expected place. But perhaps one with the same text is? // This only applies if it's a text item. // (don't use getElementsByClassName here...there could be a TG on an image description of @@ -673,7 +731,7 @@ function checkDraggables(page: HTMLElement) { if (getVisibleText(otherDraggable) !== visibleText) { return false; // only interested in ones with the same text } - return rightPosition(otherDraggable, correctX, correctY); + return rightPosition(otherDraggable, target); }) ) { allCorrect = false; @@ -937,43 +995,60 @@ export function copyContentToTarget(draggable: HTMLElement) { if (!target) { return; } - // We want to copy the content of the draggale, with several exceptions. + // We want to copy the content of the draggable, with several exceptions. // To reduce flicker, we do the manipulations on a temporary element, and // only copy into the actual target if there is actually a change. // (Flicker is particularly likely with changes that don't affect the // target, like adding and removing the image editing buttons.) - const temp = target.ownerDocument.createElement("div"); - temp.innerHTML = draggable.innerHTML; + let throwAway = target.ownerDocument.createElement("div"); + throwAway.innerHTML = draggable.innerHTML; // Don't need the bubble controls - Array.from(temp.getElementsByClassName("bloom-ui")).forEach(e => { + Array.from(throwAway.getElementsByClassName("bloom-ui")).forEach(e => { e.remove(); }); // Nor the image editing controls. - Array.from(temp.getElementsByClassName("imageOverlayButton")).forEach(e => { - e.remove(); - }); - Array.from(temp.getElementsByClassName("imageButton")).forEach(e => { + Array.from(throwAway.getElementsByClassName("imageOverlayButton")).forEach( + e => { + e.remove(); + } + ); + Array.from(throwAway.getElementsByClassName("imageButton")).forEach(e => { e.remove(); }); // Bloom has integrity checks for duplicate ids, and we don't need them in the duplicate content. - Array.from(temp.querySelectorAll("[id]")).forEach(e => { + Array.from(throwAway.querySelectorAll("[id]")).forEach(e => { e.removeAttribute("id"); }); - Array.from(temp.getElementsByClassName("hoverUp")).forEach(e => { + Array.from(throwAway.getElementsByClassName("hoverUp")).forEach(e => { // Produces at least a change in background color that we don't want. e.classList.remove("hoverUp"); }); // Content is not editable inside the target. - Array.from(temp.querySelectorAll("[contenteditable]")).forEach(e => { + Array.from(throwAway.querySelectorAll("[contenteditable]")).forEach(e => { e.removeAttribute("contenteditable"); }); // Nor should we able to tab to it, or focus it. - Array.from(temp.querySelectorAll("[tabindex]")).forEach(e => { + Array.from(throwAway.querySelectorAll("[tabindex]")).forEach(e => { e.removeAttribute("tabindex"); }); - if (target.innerHTML !== temp.innerHTML) { - target.innerHTML = temp.innerHTML; + const imageContainer = throwAway.getElementsByClassName( + "bloom-imageContainer" + )[0] as HTMLElement; + if (imageContainer) { + // We need another layer to manage clipping and centering. The one we were going to + // throw away becomes the wrapper, and we add a new throwAway outside it + const wrapper = throwAway; + throwAway = target.ownerDocument.createElement("div"); + throwAway.appendChild(wrapper); + wrapper.classList.add("bloom-targetWrapper"); + // We need the image container size to match the draggable size so that we get the + // same cropping. + imageContainer.style.width = draggable.style.width; + imageContainer.style.height = draggable.style.height; + } + if (target.innerHTML !== throwAway.innerHTML) { + target.innerHTML = throwAway.innerHTML; } }