ui: Add remaining Ahat heap analysis views

Add allocations, objects, object detail, rooted, bitmap gallery,
strings, and search views. Expand query layer with instance detail,
field extraction, bitmap pixel decoding, and download helpers.

Change-Id: I4d85f0ce2fa65e71e4da6a4a5fbc42b5ec16b413

Author: zezeozue

ui/src/plugins/com.android.Ahat/download.ts

@@ -0,0 +1,23 @@
+// Copyright (C) 2026 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+export function downloadBlob(name: string, data: Uint8Array): void {
+  const blob = new Blob([data], {type: 'application/octet-stream'});
+  const url = URL.createObjectURL(blob);
+  const a = document.createElement('a');
+  a.href = url;
+  a.download = name;
+  a.click();
+  URL.revokeObjectURL(url);
+}

ui/src/plugins/com.android.Ahat/heap_dump_page.ts

@@ -29,6 +29,13 @@ import {
 } from './nav_state';
 import * as queries from './queries';
 import OverviewView from './views/overview_view';
+import RootedView from './views/rooted_view';
+import ObjectView from './views/object_view';
+import SearchView from './views/search_view';
+import ObjectsView from './views/objects_view';
+import BitmapGalleryView from './views/bitmap_gallery_view';
+import AllocationsView from './views/allocations_view';
+import StringsView from './views/strings_view';
 
 // ─── Content View Router ──────────────────────────────────────────────────────
 
@@ -40,8 +47,38 @@ function renderContentView(
   switch (state.view) {
     case 'overview':
       return m(OverviewView, {overview, name: 'Heap Dump', navigate});
-    default:
-      return m(OverviewView, {overview, name: 'Heap Dump', navigate});
+    case 'allocations':
+      return m(AllocationsView, {
+        engine,
+        navigate,
+        heaps: overview.heaps,
+        params: state.params,
+      });
+    case 'rooted':
+      return m(RootedView, {engine, heaps: overview.heaps, navigate});
+    case 'object':
+      return m(ObjectView, {
+        engine,
+        heaps: overview.heaps,
+        navigate,
+        params: state.params,
+      });
+    case 'objects':
+      return m(ObjectsView, {engine, navigate, params: state.params});
+    case 'search':
+      return m(SearchView, {
+        engine,
+        navigate,
+        initialQuery: state.params.q,
+      });
+    case 'bitmaps':
+      return m(BitmapGalleryView, {engine, navigate});
+    case 'strings':
+      return m(StringsView, {
+        engine,
+        navigate,
+        initialQuery: state.params.q,
+      });
   }
 }
 

ui/src/plugins/com.android.Ahat/index.ts

@@ -20,6 +20,7 @@ import {SidebarManager} from '../../public/sidebar';
 import {NUM} from '../../trace_processor/query_result';
 import {HeapDumpPage} from './heap_dump_page';
 import {nav} from './nav_state';
+import {resetBitmapDumpDataCache} from './queries';
 
 let sidebarManager: SidebarManager;
 
@@ -49,15 +50,41 @@ export default class implements PerfettoPlugin {
 
     HeapDumpPage.engine = ctx.engine;
     HeapDumpPage.hasHeapData = true;
+    resetBitmapDumpDataCache();
 
-    ctx.trash.use(
-      sidebarManager.addMenuItem({
-        section: 'ahat',
-        text: 'Overview',
-        href: '#!/ahat',
-        icon: 'dashboard',
-        cssClass: () => (nav.view === 'overview' ? 'ah-sidebar-active' : ''),
-      }),
-    );
+    const viewItems = [
+      {label: 'Overview', subpage: '', view: 'overview', icon: 'dashboard'},
+      {
+        label: 'Allocations',
+        subpage: 'allocations',
+        view: 'allocations',
+        icon: 'bar_chart',
+      },
+      {
+        label: 'Rooted',
+        subpage: 'rooted',
+        view: 'rooted',
+        icon: 'account_tree',
+      },
+      {label: 'Bitmaps', subpage: 'bitmaps', view: 'bitmaps', icon: 'image'},
+      {
+        label: 'Strings',
+        subpage: 'strings',
+        view: 'strings',
+        icon: 'text_fields',
+      },
+      {label: 'Search', subpage: 'search', view: 'search', icon: 'search'},
+    ];
+    for (const v of viewItems) {
+      ctx.trash.use(
+        sidebarManager.addMenuItem({
+          section: 'ahat',
+          text: v.label,
+          href: v.subpage ? `#!/ahat/${v.subpage}` : '#!/ahat',
+          icon: v.icon,
+          cssClass: () => (nav.view === v.view ? 'ah-sidebar-active' : ''),
+        }),
+      );
+    }
   }
 }