DevTools: [Android] implement RenderWidgetHostViewAndroid::CopyFromCompositingSurface

content/browser/android/content_view_core_impl.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 "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 43 matching lines @@
 #include "ui/gfx/screen.h"
 #include "ui/gfx/size_conversions.h"
 #include "ui/gfx/size_f.h"
 #include "webkit/common/user_agent/user_agent_util.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertJavaStringToUTF16;
 using base::android::ConvertJavaStringToUTF8;
 using base::android::ConvertUTF16ToJavaString;
 using base::android::ConvertUTF8ToJavaString;
+using base::android::JavaByteArrayToByteVector;
 using base::android::ScopedJavaGlobalRef;
 using base::android::ScopedJavaLocalRef;
+using base::android::HasException;
 using WebKit::WebGestureEvent;
 using WebKit::WebInputEvent;
 
 // Describes the type and enabled state of a select popup item.
 // Keep in sync with the value defined in SelectPopupDialog.java
 enum PopupItemType {
   POPUP_ITEM_TYPE_GROUP = 0,
   POPUP_ITEM_TYPE_DISABLED,
   POPUP_ITEM_TYPE_ENABLED
 };
@@ skipping 616 matching lines @@
 }
 
 void ContentViewCoreImpl::SetNeedsAnimate() {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return;
   Java_ContentViewCore_setNeedsAnimate(env, obj.obj());
 }
 
+bool ContentViewCoreImpl::GrabSnapshot(std::vector<unsigned uint8>* png) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return false;
+  ScopedJavaLocalRef<jbyteArray> data_ref =
+      Java_ContentViewCore_grabSnapshot(env, obj.obj());
+  if (HasException(env) || data_ref.is_null())
+    return false;
+  JavaByteArrayToByteVector(env, data_ref.obj(), png);
+  return true;
+}
+
 ui::ViewAndroid* ContentViewCoreImpl::GetViewAndroid() const {
   // view_android_ should never be null for Chrome.
   DCHECK(view_android_);
   return view_android_;
 }
 
 ui::WindowAndroid* ContentViewCoreImpl::GetWindowAndroid() const {
   // This should never be NULL for Chrome, but will be NULL for WebView.
   DCHECK(window_android_);
   return window_android_;
@@ skipping 874 matching lines @@
       reinterpret_cast<ui::ViewAndroid*>(view_android),
       reinterpret_cast<ui::WindowAndroid*>(window_android));
   return reinterpret_cast<jint>(view);
 }
 
 bool RegisterContentViewCore(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content