android_webview: Let AwContents manage TouchHandleDrawable

android_webview/native/aw_contents.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "android_webview/native/aw_contents.h"
 
 #include <limits>
 #include <utility>
 
 #include "android_webview/browser/aw_browser_context.h"
@@ skipping 1042 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return;
   Java_AwContents_didOverscroll(env, obj, overscroll_delta.x(),
                                 overscroll_delta.y(), overscroll_velocity.x(),
                                 overscroll_velocity.y());
 }
 
+ui::TouchHandleDrawable* AwContents::CreateDrawable() {
+  JNIEnv* env = AttachCurrentThread();
+  const ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return nullptr;
+  return reinterpret_cast<ui::TouchHandleDrawable*>(
+      Java_AwContents_onCreateTouchHandle(env, obj));
+}
+
+void AwContents::DestroyAllDrawables() {
+  JNIEnv* env = AttachCurrentThread();
+  const ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+  Java_AwContents_onDestroyAllTouchHandles(env, obj);
+}
+
 void AwContents::SetDipScale(JNIEnv* env,
                              const JavaParamRef<jobject>& obj,
                              jfloat dip_scale) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   SetDipScaleInternal(dip_scale);
 }
 
 void AwContents::SetDipScaleInternal(float dip_scale) {
   browser_view_renderer_.SetDipScale(dip_scale);
 }
@@ skipping 212 matching lines @@
   int routing_id = new_host->GetRoutingID();
   // At this point, the current RVH may or may not contain a compositor. So
   // compositor_ may be nullptr, in which case
   // BrowserViewRenderer::DidInitializeCompositor() callback is time when the
   // new compositor is constructed.
   browser_view_renderer_.SetActiveCompositorID(
       CompositorID(process_id, routing_id));
 }
 
 }  // namespace android_webview