Manual cherry-pick of two androidx.pdf commits

- http://aosp/3471470
- http://aosp/3491411

Bug: 396239227
Change-Id: Iff8ffc7f128b171660d5ca7523cd5d5f8f3ad2d4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6262110
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Shu Yang <shuyng@google.com>
Cr-Commit-Position: refs/heads/main@{#1419919}

build/config/android/internal_rules.gni

@@ -4016,6 +4016,7 @@ if (enable_java_templates) {
           "*/AsyncTabParamsManagerImpl.kt",
           "//third_party/androidx/*",
           "*/webengine_shell_apk/*",
+          "local_modifications/pdf/java/androidx/pdf/viewer/fragment/PdfViewerFragment.kt",
         ]
         _found_kt = filter_exclude(_abs_kt_files, _kt_allowlist)
         assert(

chrome/browser/ui/android/pdf/BUILD.gn

@@ -46,6 +46,7 @@ android_library("java") {
     "//third_party/androidx:androidx_core_core_java",
     "//third_party/androidx:androidx_fragment_fragment_java",
     "//third_party/androidx:androidx_pdf_pdf_viewer_fragment_java",
+    "//third_party/androidx:pdf_cherry_pick_crbug_394147799_java",
     "//third_party/jni_zero:jni_zero_java",
     "//ui/android:ui_java",
     "//url:url_java",

third_party/androidx/BUILD.gn

@@ -68,3 +68,29 @@ android_library("core_overrides_java") {
     "//third_party/kotlin_stdlib:kotlin_stdlib_java",
   ]
 }
+
+android_library("pdf_cherry_pick_crbug_394147799_java") {
+  resources_package = "androidx.pdf"
+  sources = [
+    "local_modifications/pdf/java/androidx/pdf/viewer/fragment/PdfViewerFragment.kt",
+
+    # Need to include this due to "internal" visibilty.
+    "local_modifications/pdf/java/androidx/pdf/viewer/fragment/insets/TranslateInsetsAnimationCallback.kt",
+  ]
+
+  jar_excluded_patterns = [ "*TranslateInsetsAnimationCallback*" ]
+
+  deps = [
+    ":androidx_annotation_annotation_jvm_java",
+    ":androidx_core_core_java",
+    ":androidx_fragment_fragment_ktx_java",
+    ":androidx_pdf_pdf_viewer_fragment_java",
+    ":androidx_pdf_pdf_viewer_java",
+    "//third_party/android_deps:material_design_java",
+    "//third_party/android_deps:org_jetbrains_kotlinx_kotlinx_coroutines_core_jvm_java",
+    "//third_party/androidx:androidx_fragment_fragment_java",
+    "//third_party/androidx:androidx_lifecycle_lifecycle_common_jvm_java",
+    "//third_party/androidx:androidx_lifecycle_lifecycle_viewmodel_android_java",
+    "//third_party/kotlin_stdlib:kotlin_stdlib_java",
+  ]
+}

third_party/androidx/customizations.gni

@@ -149,6 +149,11 @@ template("androidx_android_aar_prebuilt") {
       # Target has AIDL, but we do not support it yet: http://crbug.com/644439
       ignore_aidl = true
     }
+
+    if (target_name == "androidx_pdf_pdf_viewer_fragment_java") {
+      jar_excluded_patterns =
+          [ "androidx/pdf/viewer/fragment/PdfViewerFragment*" ]
+    }
   }
 }
 

third_party/androidx/local_modifications/pdf/java/androidx/pdf/viewer/fragment/insets/TranslateInsetsAnimationCallback.kt

@@ -0,0 +1,84 @@
+/*
+ * Copyright 2024 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.
+ */
+
+package androidx.pdf.viewer.fragment.insets
+
+import android.view.View
+import android.view.ViewGroup
+import android.view.WindowManager
+import androidx.core.view.WindowInsetsAnimationCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.updateLayoutParams
+
+/**
+ * A callback that will update bottom margin for provided view as per keyboard visibility.
+ *
+ * @param view: A view whose bottom margin needs to be updated with keyboard.
+ * @param windowManager: An interface to interact with window params, here helps to fetch screen
+ *   height.
+ * @param pdfContainer: Container view where PDF is hosted.
+ * @param dispatchMode: Specifies whether children view should get callback, by default callback
+ *   will be propagated.
+ */
+internal class TranslateInsetsAnimationCallback(
+    private val view: View,
+    private val windowManager: WindowManager?,
+    private val pdfContainer: View?,
+    dispatchMode: Int = DISPATCH_MODE_CONTINUE_ON_SUBTREE
+) : WindowInsetsAnimationCompat.Callback(dispatchMode) {
+
+    override fun onProgress(
+        insets: WindowInsetsCompat,
+        runningAnimations: List<WindowInsetsAnimationCompat>
+    ): WindowInsetsCompat {
+        // onProgress() is called when any of the running animations progress...
+
+        var absoluteContainerBottom = 0
+        /*
+        Calculate absolute pdfContainer bottom on screen
+        This is necessary as our fragment may not span the complete screen
+         */
+        pdfContainer?.let {
+            val containerLocation = IntArray(2)
+            pdfContainer.getLocationInWindow(containerLocation)
+            absoluteContainerBottom = pdfContainer.height + containerLocation[1]
+        }
+
+        // Extract keyboard insets
+        val keyboardInsets = insets.getInsets(WindowInsetsCompat.Type.ime())
+
+        /*
+        By default the keyboard top should be aligned with container bottom;
+        This is same as keyboard is in closed state
+         */
+        var keyboardTop = absoluteContainerBottom
+
+        // Calculate keyboard top wrt screen height
+        windowManager?.let {
+            val screenHeight = windowManager.currentWindowMetrics.bounds.height()
+            keyboardTop = screenHeight - keyboardInsets.bottom
+        }
+
+        // Net margin wrt pdf container bottom
+        val margin =
+            if (absoluteContainerBottom >= keyboardTop) absoluteContainerBottom - keyboardTop else 0
+
+        // Update bottom margin for view
+        view.updateLayoutParams<ViewGroup.MarginLayoutParams> { bottomMargin = margin }
+
+        return insets
+    }
+}