ui/base/android/view_android.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/base/android/view_android.h"
   6
   7 #include "base/android/jni_android.h"
   8 #include "base/android/jni_weak_ref.h"
   9 #include "base/android/scoped_java_ref.h"
  10 #include "jni/ViewAndroid_jni.h"
  11 #include "ui/base/android/window_android.h"
  12
  13 namespace ui {
  14
  15 using base::android::AttachCurrentThread;
  16 using base::android::ScopedJavaLocalRef;
  17
  18 ViewAndroid::ViewAndroid(JNIEnv* env, jobject obj, WindowAndroid* window)
  19   : weak_java_view_(env, obj),
  20     window_android_(window) {}
  21
  22 void ViewAndroid::Destroy(JNIEnv* env, jobject obj) {
  23   DCHECK(obj && env->IsSameObject(weak_java_view_.get(env).obj(), obj));
  24   delete this;
  25 }
  26
  27 ScopedJavaLocalRef<jobject> ViewAndroid::GetJavaObject() {
  28   // It is mandatory to explicitly call destroy() before releasing the java
  29   // side object. This could be changed in future by adding CleanupReference
  30   // based destruct path;
  31   return weak_java_view_.get(AttachCurrentThread());
  32 }
  33
  34 WindowAndroid* ViewAndroid::GetWindowAndroid() {
  35   return window_android_;
  36 }
  37
  38 bool ViewAndroid::RegisterViewAndroid(JNIEnv* env) {
  39   return RegisterNativesImpl(env);
  40 }
  41
  42 ViewAndroid::~ViewAndroid() {
  43 }
  44
  45 jlong Init(JNIEnv* env, jobject obj, jlong window) {
  46   ViewAndroid* view = new ViewAndroid(
  47       env, obj, reinterpret_cast<ui::WindowAndroid*>(window));
  48   return reinterpret_cast<intptr_t>(view);
  49 }
  50
  51 }  // namespace ui