Show selection handles around selected text.

content/browser/android/content_view_core_impl.cc

 // Copyright (c) 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 "content/browser/android/content_view_core_impl.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 50 matching lines @@
   POPUP_ITEM_TYPE_ENABLED
 };
 
 namespace {
 jfieldID g_native_content_view;
 }  // namespace
 
 namespace content {
 
 struct ContentViewCoreImpl::JavaObject {
-
+  ScopedJavaGlobalRef<jclass> rect_clazz;
+  jmethodID rect_constructor;
 };
 
 ContentViewCore* ContentViewCore::GetNativeContentViewCore(JNIEnv* env,
                                                            jobject obj) {
   return reinterpret_cast<ContentViewCore*>(
       env->GetIntField(obj, g_native_content_view));
 }
 
 
 ContentViewCoreImpl::ContentViewCoreImpl(JNIEnv* env, jobject obj,
@@ skipping 73 matching lines @@
         Java_ContentViewCore_onEvaluateJavaScriptResult(env, j_obj.obj(),
             static_cast<jint>(result_pair->first), j_json.obj());
       }
       break;
     }
   }
 }
 
 void ContentViewCoreImpl::InitJNI(JNIEnv* env, jobject obj) {
   java_object_ = new JavaObject;
+  java_object_->rect_clazz.Reset(GetClass(env, "android/graphics/Rect"));
+  java_object_->rect_constructor =
+      GetMethodID(env, java_object_->rect_clazz, "<init>", "(IIII)V");

[bulach, 2012/10/05 12:50:59]

FYI: one of us :) will need to change this depending on when this lands:
http://codereview.chromium.org/11038015/

if that one gets in before this, s/GetMethodID/MethodID::Get<METHODTYPE_NORMAL>/

[Iain Merrick, 2012/10/05 19:01:52]

Thanks for the heads-up -- I'll rely on the trybot and commit queue to tell me
if this is needed.

 }
 
 RenderWidgetHostViewAndroid*
     ContentViewCoreImpl::GetRenderWidgetHostViewAndroid() {
   RenderWidgetHostView* rwhv = NULL;
   if (web_contents_)
     rwhv = web_contents_->GetRenderWidgetHostView();
   return static_cast<RenderWidgetHostViewAndroid*>(rwhv);
 }
 
@@ skipping 146 matching lines @@
 
 bool ContentViewCoreImpl::HasFocus() {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return false;
   return Java_ContentViewCore_hasFocus(env, obj.obj());
 }
 
 void ContentViewCoreImpl::OnSelectionChanged(const std::string& text) {
-  NOTIMPLEMENTED() << "not upstreamed yet";
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+  ScopedJavaLocalRef<jstring> jtext = ConvertUTF8ToJavaString(env, text);
+  Java_ContentViewCore_onSelectionChanged(env, obj.obj(), jtext.obj());
+}
+
+void ContentViewCoreImpl::OnSelectionBoundsChanged(
+    const gfx::Rect& start_rect, base::i18n::TextDirection start_dir,
+    const gfx::Rect& end_rect, base::i18n::TextDirection end_dir) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+  ScopedJavaLocalRef<jobject> start_rect_object(env,
+      env->NewObject(java_object_->rect_clazz.obj(),
+                     java_object_->rect_constructor,
+                     start_rect.x(),
+                     start_rect.y(),
+                     start_rect.right(),
+                     start_rect.bottom()));
+  ScopedJavaLocalRef<jobject> end_rect_object(env,
+      env->NewObject(java_object_->rect_clazz.obj(),
+                     java_object_->rect_constructor,
+                     end_rect.x(),
+                     end_rect.y(),
+                     end_rect.right(),
+                     end_rect.bottom()));
+  Java_ContentViewCore_onSelectionBoundsChanged(env, obj.obj(),
+                                                start_rect_object.obj(),
+                                                start_dir,
+                                                end_rect_object.obj(),
+                                                end_dir);
 }
 
 void ContentViewCoreImpl::StartContentIntent(const GURL& content_url) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
   if (j_obj.is_null())
     return;
   ScopedJavaLocalRef<jstring> jcontent_url =
       ConvertUTF8ToJavaString(env, content_url.spec());
   Java_ContentViewCore_startContentIntent(env,
@@ skipping 509 matching lines @@
   if (!HasField(env, clazz, "mNativeContentViewCore", "I")) {
     DLOG(ERROR) << "Unable to find ContentView.mNativeContentViewCore!";
     return false;
   }
   g_native_content_view = GetFieldID(env, clazz, "mNativeContentViewCore", "I");
 
   return RegisterNativesImpl(env) >= 0;
 }
 
 }  // namespace content