fix: capture screen edge back for ToolApp

code/th_02_core.js

@@ -56,6 +56,7 @@ function FloatBallAppWM(logger) {
     toolAppBackPreviewView: null,
     toolAppBackPreviewRoute: null,
     toolAppBackPreviewReady: false,
+    toolAppScreenBackStrips: [],
     toolAppTitleView: null,
     toolAppBackButton: null,
     settingsGroupKey: null,

code/th_09_animation.js

@@ -128,6 +128,7 @@ FloatBallAppWM.prototype.safeRemoveView = function(v, whichName) {
   try {
     if (!v) return { ok: true, skipped: true };
     try { if (this.unregisterPanelPredictiveBack) this.unregisterPanelPredictiveBack(v); } catch (eBack) {}
+    try { if (whichName === "viewerPanel" && this.state && String(this.state.viewerPanelType || "") === "tool_app" && this.hideToolAppScreenBackStrips) this.hideToolAppScreenBackStrips(); } catch (eStrip) {}
     this.state.wm.removeView(v);
     return { ok: true };
   } catch (e) {
@@ -195,6 +196,7 @@ FloatBallAppWM.prototype.hideViewerPanel = function() {
     this.state.toolAppBackPreviewView = null;
     this.state.toolAppBackPreviewRoute = null;
     this.state.toolAppBackPreviewReady = false;
+    try { if (this.hideToolAppScreenBackStrips) this.hideToolAppScreenBackStrips(); } catch (eStrip) {}
     this.state.toolAppTitleView = null;
     this.state.toolAppBackButton = null;
   }
@@ -535,6 +537,7 @@ FloatBallAppWM.prototype._clearHeavyCachesIfAllHidden = function(reason) {
 };
 
 FloatBallAppWM.prototype.hideAllPanels = function() {
+  try { if (this.hideToolAppScreenBackStrips) this.hideToolAppScreenBackStrips(); } catch (eStrip) {}
   this.hideMainPanel();
   this.hideSettingsPanel();
   this.hideViewerPanel();

code/th_15_extra.js

@@ -520,6 +520,7 @@ FloatBallAppWM.prototype.closeToolApp = function() {
     this.state.toolAppBackPreviewView = null;
     this.state.toolAppBackPreviewRoute = null;
     this.state.toolAppBackPreviewReady = false;
+    try { if (this.hideToolAppScreenBackStrips) this.hideToolAppScreenBackStrips(); } catch (eStrip) {}
     this.state.toolAppTitleView = null;
     this.state.toolAppBackButton = null;
   } catch (e) { safeLog(this.L, 'e', "closeToolApp fail: " + String(e)); }
@@ -760,6 +761,69 @@ FloatBallAppWM.prototype.createToolAppEdgeBackStrip = function(edge) {
   return strip;
 };
 
+FloatBallAppWM.prototype.hideToolAppScreenBackStrips = function() {
+  try {
+    var arr = this.state.toolAppScreenBackStrips || [];
+    for (var i = 0; i < arr.length; i++) {
+      try { if (arr[i] && this.state.wm) this.state.wm.removeView(arr[i]); } catch (eRm) {}
+    }
+    this.state.toolAppScreenBackStrips = [];
+  } catch (e) { safeLog(this.L, 'w', "hide tool app screen back strips fail: " + String(e)); }
+};
+
+FloatBallAppWM.prototype.showToolAppScreenBackStrips = function() {
+  try {
+    if (!this.state.wm || !this.state.toolAppActive) return false;
+    if (!this.getToolAppPreviousStackEntry || !this.getToolAppPreviousStackEntry()) {
+      this.hideToolAppScreenBackStrips();
+      return false;
+    }
+    if (this.state.toolAppScreenBackStrips && this.state.toolAppScreenBackStrips.length === 2) return true;
+    this.hideToolAppScreenBackStrips();
+
+    var sw = Math.max(1, Number(this.state.screen && this.state.screen.w || 0));
+    if (sw <= 1) {
+      try { var ss = this.getScreenSizePx(); sw = ss.w; } catch (eScreen) {}
+    }
+    var stripW = this.dp(22);
+    var flags = android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
+      android.view.WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS;
+
+    var left = this.createToolAppEdgeBackStrip(0);
+    var lpL = new android.view.WindowManager.LayoutParams(
+      stripW,
+      android.view.WindowManager.LayoutParams.MATCH_PARENT,
+      android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY,
+      flags,
+      android.graphics.PixelFormat.TRANSLUCENT
+    );
+    lpL.gravity = android.view.Gravity.START | android.view.Gravity.TOP;
+    lpL.x = 0;
+    lpL.y = 0;
+
+    var right = this.createToolAppEdgeBackStrip(1);
+    var lpR = new android.view.WindowManager.LayoutParams(
+      stripW,
+      android.view.WindowManager.LayoutParams.MATCH_PARENT,
+      android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY,
+      flags,
+      android.graphics.PixelFormat.TRANSLUCENT
+    );
+    lpR.gravity = android.view.Gravity.START | android.view.Gravity.TOP;
+    lpR.x = Math.max(0, sw - stripW);
+    lpR.y = 0;
+
+    this.state.wm.addView(left, lpL);
+    this.state.wm.addView(right, lpR);
+    this.state.toolAppScreenBackStrips = [left, right];
+    return true;
+  } catch (e) {
+    this.hideToolAppScreenBackStrips();
+    safeLog(this.L, 'w', "show tool app screen back strips fail: " + String(e));
+  }
+  return false;
+};
+
 FloatBallAppWM.prototype.buildToolAppShell = function(contentView, title, canBack) {
   var self = this;
   var isDark = this.isDarkTheme();
@@ -973,6 +1037,7 @@ FloatBallAppWM.prototype.showToolApp = function(route, resetStack) {
       } catch (eUpd) { safeLog(this.L, 'w', "tool_app update layout fail: " + String(eUpd)); }
       try { shell.requestFocus(); } catch (eFocus) {}
     }
+    try { this.showToolAppScreenBackStrips(); } catch (eScreenBack) { safeLog(this.L, 'w', "show screen edge back fail: " + String(eScreenBack)); }
   } catch (e) {
     this.state.toolAppActive = false;
     safeLog(this.L, 'e', "showToolApp fail route=" + r + " err=" + String(e));

manifest.json

@@ -6,8 +6,8 @@
       "size": 52546
     },
     "th_02_core.js": {
-      "sha256": "c8d823e135a4b58a50336586ab13265e5ff4b72531633908b635b243401f461a",
-      "size": 4551
+      "sha256": "15bb9bfbd19a673d442e221b0a00a456ed5f87af2666b9c73b117d6223faeecd",
+      "size": 4584
     },
     "th_03_icon.js": {
       "sha256": "717f7f37474d3616c2cd944581455f600020a850ec8812100d0546ec1302c987",
@@ -34,8 +34,8 @@
       "size": 7938
     },
     "th_09_animation.js": {
-      "sha256": "f5f0f87c7bfefd1a434d6cc14c87464c32d5419dc5381e6a771974abcc65a003",
-      "size": 36270
+      "sha256": "5f5e8743438af92238c377d864a8ab54ba0f5c1fb9198e4003f2530ee1fb4bf5",
+      "size": 36684
     },
     "th_10_shell.js": {
       "sha256": "0ed793079c2f6ba7d29f4c0d411705cb72419f45f572cbe37ed32ac16527a8bc",
@@ -58,8 +58,8 @@
       "size": 239523
     },
     "th_15_extra.js": {
-      "sha256": "2f440db325b0349e86bdfdfcea98c96aa84b1c4457b623d9e4219cd67c9d045a",
-      "size": 87017
+      "sha256": "c46b15ddd46fe548813a927f45d525b5b799b209b56c6f05b355ef59c37770e1",
+      "size": 89681
     },
     "th_16_entry.js": {
       "sha256": "e7c99c3dfbd6aedab05551426955081ae6cae034754f2f557cefa01dc75dc001",
@@ -68,5 +68,5 @@
   },
   "keyId": "toolhub-targets-2026-rsa3072",
   "schema": 2,
-  "version": 20260513190421
+  "version": 20260513191013
 }

manifest.sig

@@ -1 +1 @@
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