[Android] Composited selection handle rendering

content/browser/android/content_view_core_impl.cc

Index: content/browser/android/content_view_core_impl.cc
diff --git a/content/browser/android/content_view_core_impl.cc b/content/browser/android/content_view_core_impl.cc
index 9c5692028381dbe26a36c0b582688c3230a1fed2..2ba4cc80bdc7f2769c8131b48fbef7b380b01316 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -21,6 +21,7 @@
 #include "content/browser/android/interstitial_page_delegate_android.h"
 #include "content/browser/android/java/gin_java_bridge_dispatcher_host.h"
 #include "content/browser/android/load_url_params.h"
+#include "content/browser/android/popup_touch_handle_drawable.h"
 #include "content/browser/frame_host/interstitial_page_impl.h"
 #include "content/browser/frame_host/navigation_controller_impl.h"
 #include "content/browser/frame_host/navigation_entry_impl.h"
@@ -558,9 +559,6 @@ void ContentViewCoreImpl::OnGestureEventAck(const blink::WebGestureEvent& event,
           event.x * dpi_scale(),
           event.y * dpi_scale());
       break;
-    case WebInputEvent::GestureDoubleTap:
-      Java_ContentViewCore_onDoubleTapEventAck(env, j_obj.obj());
-      break;
     default:
       break;
   }
@@ -607,22 +605,27 @@ void ContentViewCoreImpl::OnSelectionChanged(const std::string& text) {
   Java_ContentViewCore_onSelectionChanged(env, obj.obj(), jtext.obj());
 }
 
-void ContentViewCoreImpl::OnSelectionBoundsChanged(const gfx::PointF& start,
-                                                   const gfx::PointF& end,
-                                                   int start_dir,
-                                                   int end_dir) {
+void ContentViewCoreImpl::OnSelectionEvent(SelectionEventType event,
+                                           const gfx::PointF& position) {
   JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
-  if (obj.is_null())
+  ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
+  if (j_obj.is_null())
     return;
-  Java_ContentViewCore_onSelectionBoundsChanged(env,
-                                                obj.obj(),
-                                                start.x(),
-                                                start.y(),
-                                                end.x(),
-                                                end.y(),
-                                                start_dir,
-                                                end_dir);
+  Java_ContentViewCore_onSelectionEvent(
+      env, j_obj.obj(), event, position.x(), position.y());
+}
+
+scoped_ptr<TouchHandleDrawable>
+ContentViewCoreImpl::CreatePopupTouchHandleDrawable() {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null()) {
+    NOTREACHED();
+    return scoped_ptr<TouchHandleDrawable>();
+  }
+  return scoped_ptr<TouchHandleDrawable>(new PopupTouchHandleDrawable(
+      Java_ContentViewCore_createPopupTouchHandleDrawable(env, obj.obj()),
+      dpi_scale_));
 }
 
 void ContentViewCoreImpl::ShowPastePopup(int x_dip, int y_dip) {
@@ -788,7 +791,7 @@ float ContentViewCoreImpl::GetOverdrawBottomHeightDip() const {
 }
 
 void ContentViewCoreImpl::AttachLayer(scoped_refptr<cc::Layer> layer) {
-  root_layer_->AddChild(layer);
+  root_layer_->InsertChild(layer, 0);
   root_layer_->SetIsDrawable(false);
 }
 
@@ -799,6 +802,19 @@ void ContentViewCoreImpl::RemoveLayer(scoped_refptr<cc::Layer> layer) {
     root_layer_->SetIsDrawable(true);
 }
 
+void ContentViewCoreImpl::SelectBetweenCoordinates(const gfx::PointF& start,
+                                                   const gfx::PointF& end) {
+  if (!web_contents_)
+    return;
+
+  gfx::Point start_point = gfx::Point(start.x(), start.y());
+  gfx::Point end_point = gfx::Point(end.x(), end.y());
+  if (start_point == end_point)
+    return;
+
+  web_contents_->SelectRange(start_point, end_point);
+}
+
 void ContentViewCoreImpl::LoadUrl(
     NavigationController::LoadURLParams& params) {
   GetWebContents()->GetController().LoadURLWithParams(params);
@@ -952,7 +968,8 @@ jboolean ContentViewCoreImpl::OnTouchEvent(JNIEnv* env,
                                            jfloat raw_pos_y,
                                            jint android_tool_type_0,
                                            jint android_tool_type_1,
-                                           jint android_button_state) {
+                                           jint android_button_state,
+                                           jboolean is_touch_handle_event) {
   RenderWidgetHostViewAndroid* rwhv = GetRenderWidgetHostViewAndroid();
   // Avoid synthesizing a touch event if it cannot be forwarded.
   if (!rwhv)
@@ -980,7 +997,8 @@ jboolean ContentViewCoreImpl::OnTouchEvent(JNIEnv* env,
                            android_tool_type_1,
                            android_button_state);
 
-  return rwhv->OnTouchEvent(event);
+  return is_touch_handle_event ? rwhv->OnTouchHandleEvent(event)
+                               : rwhv->OnTouchEvent(event);
 }
 
 float ContentViewCoreImpl::GetDpiScale() const {
@@ -1144,22 +1162,23 @@ void ContentViewCoreImpl::PinchBy(JNIEnv* env, jobject obj, jlong time_ms,
 void ContentViewCoreImpl::SelectBetweenCoordinates(JNIEnv* env, jobject obj,
                                                    jfloat x1, jfloat y1,
                                                    jfloat x2, jfloat y2) {
-  if (!web_contents_)
-    return;
-
-  web_contents_->SelectRange(
-      gfx::Point(x1 / dpi_scale(), y1 / dpi_scale()),
-      gfx::Point(x2 / dpi_scale(), y2 / dpi_scale()));
+  SelectBetweenCoordinates(gfx::PointF(x1 / dpi_scale(), y1 / dpi_scale()),
+                           gfx::PointF(x2 / dpi_scale(), y2 / dpi_scale()));
 }
 
 void ContentViewCoreImpl::MoveCaret(JNIEnv* env, jobject obj,
                                     jfloat x, jfloat y) {
   if (GetRenderWidgetHostViewAndroid()) {
     GetRenderWidgetHostViewAndroid()->MoveCaret(
-        gfx::Point(x / dpi_scale(), y / dpi_scale()));
+        gfx::Point(x / dpi_scale_, y / dpi_scale_));
   }
 }
 
+void ContentViewCoreImpl::HideTextHandles(JNIEnv* env, jobject obj) {
+  if (GetRenderWidgetHostViewAndroid())
+    GetRenderWidgetHostViewAndroid()->HideTextHandles();
+}
+
 void ContentViewCoreImpl::ResetGestureDetection(JNIEnv* env, jobject obj) {
   RenderWidgetHostViewAndroid* rwhv = GetRenderWidgetHostViewAndroid();
   if (rwhv)
@@ -1494,14 +1513,6 @@ void ContentViewCoreImpl::SetAccessibilityEnabled(JNIEnv* env, jobject obj,
   SetAccessibilityEnabledInternal(enabled);
 }
 
-void ContentViewCoreImpl::ShowSelectionHandlesAutomatically() const {
-  JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jobject> obj(java_ref_.get(env));
-  if (obj.is_null())
-    return;
-  Java_ContentViewCore_showSelectionHandlesAutomatically(env, obj.obj());
-}
-
 bool ContentViewCoreImpl::IsFullscreenRequiredForOrientationLock() const {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);