android_webview/native/external_video_surface_container_impl.cc

   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