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      1 // Copyright 2014 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 "android_webview/native/external_video_surface_container_impl.h"
      6 
      7 #include "base/android/jni_android.h"
      8 #include "content/public/browser/android/content_view_core.h"
      9 #include "jni/ExternalVideoSurfaceContainer_jni.h"
     10 #include "ui/gfx/rect_f.h"
     11 
     12 using base::android::AttachCurrentThread;
     13 using content::ContentViewCore;
     14 
     15 namespace android_webview {
     16 
     17 ExternalVideoSurfaceContainerImpl::ExternalVideoSurfaceContainerImpl(
     18     content::WebContents* web_contents) {
     19   ContentViewCore* cvc = ContentViewCore::FromWebContents(web_contents);
     20   if (cvc) {
     21     JNIEnv* env = AttachCurrentThread();
     22     jobject_.Reset(
     23         Java_ExternalVideoSurfaceContainer_create(
     24             env, reinterpret_cast<intptr_t>(this), cvc->GetJavaObject().obj()));
     25   }
     26 }
     27 
     28 ExternalVideoSurfaceContainerImpl::~ExternalVideoSurfaceContainerImpl() {
     29   JNIEnv* env = AttachCurrentThread();
     30   Java_ExternalVideoSurfaceContainer_destroy(env, jobject_.obj());
     31   jobject_.Reset();
     32 }
     33 
     34 void ExternalVideoSurfaceContainerImpl::RequestExternalVideoSurface(
     35     int player_id,
     36     const SurfaceCreatedCB& surface_created_cb,
     37     const SurfaceDestroyedCB& surface_destroyed_cb) {
     38   surface_created_cb_ = surface_created_cb;
     39   surface_destroyed_cb_ = surface_destroyed_cb;
     40 
     41   JNIEnv* env = AttachCurrentThread();
     42   Java_ExternalVideoSurfaceContainer_requestExternalVideoSurface(
     43       env, jobject_.obj(), static_cast<jint>(player_id));
     44 }
     45 
     46 void ExternalVideoSurfaceContainerImpl::ReleaseExternalVideoSurface(
     47     int player_id) {
     48   JNIEnv* env = AttachCurrentThread();
     49   Java_ExternalVideoSurfaceContainer_releaseExternalVideoSurface(
     50       env, jobject_.obj(), static_cast<jint>(player_id));
     51 
     52   surface_created_cb_.Reset();
     53   surface_destroyed_cb_.Reset();
     54 }
     55 
     56 void ExternalVideoSurfaceContainerImpl::OnFrameInfoUpdated() {
     57   JNIEnv* env = AttachCurrentThread();
     58   Java_ExternalVideoSurfaceContainer_onFrameInfoUpdated(env, jobject_.obj());
     59 }
     60 
     61 void ExternalVideoSurfaceContainerImpl::OnExternalVideoSurfacePositionChanged(
     62     int player_id, const gfx::RectF& rect) {
     63   JNIEnv* env = AttachCurrentThread();
     64   Java_ExternalVideoSurfaceContainer_onExternalVideoSurfacePositionChanged(
     65       env,
     66       jobject_.obj(),
     67       static_cast<jint>(player_id),
     68       static_cast<jfloat>(rect.x()),
     69       static_cast<jfloat>(rect.y()),
     70       static_cast<jfloat>(rect.x() + rect.width()),
     71       static_cast<jfloat>(rect.y() + rect.height()));
     72 }
     73 
     74 // Methods called from Java.
     75 void ExternalVideoSurfaceContainerImpl::SurfaceCreated(
     76     JNIEnv* env, jobject obj, jint player_id, jobject jsurface) {
     77   if (!surface_created_cb_.is_null())
     78     surface_created_cb_.Run(static_cast<int>(player_id), jsurface);
     79 }
     80 
     81 void ExternalVideoSurfaceContainerImpl::SurfaceDestroyed(
     82     JNIEnv* env, jobject obj, jint player_id) {
     83   if (!surface_destroyed_cb_.is_null())
     84     surface_destroyed_cb_.Run(static_cast<int>(player_id));
     85 }
     86 
     87 bool RegisterExternalVideoSurfaceContainer(JNIEnv* env) {
     88   return RegisterNativesImpl(env);
     89 }
     90 
     91 }  // namespace android_webview
     92