refactor(chat): remove keyboard compatibility layer

2026-07-16 14:36:33 +08:00
parent aec7cee9cf
commit 8b6bcab05c
9 changed files with 26 additions and 629 deletions
@@ -1,95 +0,0 @@
-export const CHAT_KEYBOARD_FOCUS_GAP_PX = 14;
-export const CHAT_KEYBOARD_VISIBLE_THRESHOLD_PX = 80;
-export const CHAT_KEYBOARD_ZOOM_THRESHOLD = 1.05;
-export const CHAT_KEYBOARD_FALLBACK_RATIO = 0.42;
-export const CHAT_KEYBOARD_FALLBACK_MIN_PX = 260;
-export const CHAT_KEYBOARD_FALLBACK_MAX_PX = 380;
-
-const CHAT_KEYBOARD_MAX_LIFT_RATIO = 0.55;
-
-export interface ChatKeyboardViewportBaseline {
-  layoutHeight: number;
-  visualHeight: number;
-}
-
-export interface ChatKeyboardViewportSnapshot {
-  layoutHeight: number;
-  visualHeight: number;
-  visualScale: number;
-  virtualKeyboardHeight: number;
-}
-
-export type ChatKeyboardLiftSource =
-  | "content-resize"
-  | "visual-viewport"
-  | "virtual-keyboard"
-  | "none";
-
-export interface ChatKeyboardLiftResolution {
-  keyboardVisible: boolean;
-  lift: number;
-  source: ChatKeyboardLiftSource;
-}
-
-export function resolveChatKeyboardLift(
-  baseline: ChatKeyboardViewportBaseline,
-  snapshot: ChatKeyboardViewportSnapshot,
-): ChatKeyboardLiftResolution {
-  const contentResize = baseline.layoutHeight - snapshot.layoutHeight;
-  if (contentResize > CHAT_KEYBOARD_VISIBLE_THRESHOLD_PX) {
-    return {
-      keyboardVisible: true,
-      lift: 0,
-      source: "content-resize",
-    };
-  }
-
-  const virtualKeyboardHeight = Math.max(
-    0,
-    snapshot.virtualKeyboardHeight,
-  );
-  const visualViewportHeight =
-    snapshot.visualScale <= CHAT_KEYBOARD_ZOOM_THRESHOLD
-      ? Math.max(0, baseline.visualHeight - snapshot.visualHeight)
-      : 0;
-  const occludedHeight = Math.max(
-    virtualKeyboardHeight,
-    visualViewportHeight,
-  );
-
-  if (occludedHeight <= CHAT_KEYBOARD_VISIBLE_THRESHOLD_PX) {
-    return {
-      keyboardVisible: false,
-      lift: 0,
-      source: "none",
-    };
-  }
-
-  const maxLift = Math.round(
-    baseline.layoutHeight * CHAT_KEYBOARD_MAX_LIFT_RATIO,
-  );
-
-  return {
-    keyboardVisible: true,
-    lift: Math.min(
-      maxLift,
-      Math.round(occludedHeight + CHAT_KEYBOARD_FOCUS_GAP_PX),
-    ),
-    source:
-      virtualKeyboardHeight >= visualViewportHeight
-        ? "virtual-keyboard"
-        : "visual-viewport",
-  };
-}
-
-export function resolveChatKeyboardFallbackLift(
-  layoutHeight: number,
-): number {
-  return Math.min(
-    CHAT_KEYBOARD_FALLBACK_MAX_PX,
-    Math.max(
-      CHAT_KEYBOARD_FALLBACK_MIN_PX,
-      Math.round(layoutHeight * CHAT_KEYBOARD_FALLBACK_RATIO),
-    ),
-  );
-}