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authorsyuilo <Syuilotan@yahoo.co.jp>2021-12-05 13:10:19 +0900
committersyuilo <Syuilotan@yahoo.co.jp>2021-12-05 13:10:19 +0900
commitfbe4869d1ed336d3fb7d08d3d2f75710eb0fb1a4 (patch)
tree15b0257d2c6e51d015bf5780e4b2f82147eac351 /packages/client/src/scripts/touch.ts
parentFix(client): APIコンソールで with credential がオフだとiが付与... (diff)
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fix(client): タッチ機能付きディスプレイを使っていてマウス操作をしている場合に一部機能が動作しない問題を修正
Diffstat (limited to 'packages/client/src/scripts/touch.ts')
-rw-r--r--packages/client/src/scripts/touch.ts19
1 files changed, 19 insertions, 0 deletions
diff --git a/packages/client/src/scripts/touch.ts b/packages/client/src/scripts/touch.ts
new file mode 100644
index 0000000000..06b4f8b2ed
--- /dev/null
+++ b/packages/client/src/scripts/touch.ts
@@ -0,0 +1,19 @@
+const isTouchSupported = 'maxTouchPoints' in navigator && navigator.maxTouchPoints > 0;
+
+export let isTouchUsing = false;
+
+export let isScreenTouching = false;
+
+if (isTouchSupported) {
+ window.addEventListener('touchstart', () => {
+ // maxTouchPointsなどでの判定だけだと、「タッチ機能付きディスプレイを使っているがマウスでしか操作しない」場合にも
+ // タッチで使っていると判定されてしまうため、実際に一度でもタッチされたらtrueにする
+ isTouchUsing = true;
+
+ isScreenTouching = true;
+ }, { passive: true });
+
+ window.addEventListener('touchend', () => {
+ isScreenTouching = false;
+ }, { passive: true });
+}