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 android_webview::ExternalVideoSurfaceContainerImpl;
  13 using base::android::AttachCurrentThread;
  14 using content::ContentViewCore;
  15
  16 DEFINE_WEB_CONTENTS_USER_DATA_KEY(ExternalVideoSurfaceContainerImpl);
  17
  18 namespace content {
  19
  20 // static
  21 void ExternalVideoSurfaceContainer::CreateForWebContents(
  22     WebContents* web_contents) {
  23   WebContentsUserData<ExternalVideoSurfaceContainerImpl>::CreateForWebContents(
  24       web_contents);
  25 }
  26
  27 // static
  28 ExternalVideoSurfaceContainer* ExternalVideoSurfaceContainer::FromWebContents(
  29     WebContents* web_contents) {
  30   return WebContentsUserData<ExternalVideoSurfaceContainerImpl>::
  31       FromWebContents(web_contents);
  32 }
  33
  34 } // namespace content
  35
  36 namespace android_webview {
  37
  38 ExternalVideoSurfaceContainerImpl::ExternalVideoSurfaceContainerImpl(
  39     content::WebContents* web_contents) {
  40   ContentViewCore* cvc = ContentViewCore::FromWebContents(web_contents);
  41   if (cvc) {
  42     JNIEnv* env = AttachCurrentThread();
  43     jobject_.Reset(
  44         Java_ExternalVideoSurfaceContainer_create(
  45             env, reinterpret_cast<intptr_t>(this), cvc->GetJavaObject().obj()));
  46   }
  47 }
  48
  49 ExternalVideoSurfaceContainerImpl::~ExternalVideoSurfaceContainerImpl() {
  50   JNIEnv* env = AttachCurrentThread();
  51   Java_ExternalVideoSurfaceContainer_destroy(env, jobject_.obj());
  52   jobject_.Reset();
  53 }
  54
  55 void ExternalVideoSurfaceContainerImpl::RequestExternalVideoSurface(
  56     int player_id,
  57     const SurfaceCreatedCB& surface_created_cb,
  58     const SurfaceDestroyedCB& surface_destroyed_cb) {
  59   surface_created_cb_ = surface_created_cb;
  60   surface_destroyed_cb_ = surface_destroyed_cb;
  61
  62   JNIEnv* env = AttachCurrentThread();
  63   Java_ExternalVideoSurfaceContainer_requestExternalVideoSurface(
  64       env, jobject_.obj(), static_cast<jint>(player_id));
  65 }
  66
  67 void ExternalVideoSurfaceContainerImpl::ReleaseExternalVideoSurface(
  68     int player_id) {
  69   JNIEnv* env = AttachCurrentThread();
  70   Java_ExternalVideoSurfaceContainer_releaseExternalVideoSurface(
  71       env, jobject_.obj(), static_cast<jint>(player_id));
  72
  73   surface_created_cb_.Reset();
  74   surface_destroyed_cb_.Reset();
  75 }
  76
  77 void ExternalVideoSurfaceContainerImpl::OnFrameInfoUpdated() {
  78   JNIEnv* env = AttachCurrentThread();
  79   Java_ExternalVideoSurfaceContainer_onFrameInfoUpdated(env, jobject_.obj());
  80 }
  81
  82 void ExternalVideoSurfaceContainerImpl::OnExternalVideoSurfacePositionChanged(
  83     int player_id, const gfx::RectF& rect) {
  84   JNIEnv* env = AttachCurrentThread();
  85   Java_ExternalVideoSurfaceContainer_onExternalVideoSurfacePositionChanged(
  86       env,
  87       jobject_.obj(),
  88       static_cast<jint>(player_id),
  89       static_cast<jfloat>(rect.x()),
  90       static_cast<jfloat>(rect.y()),
  91       static_cast<jfloat>(rect.x() + rect.width()),
  92       static_cast<jfloat>(rect.y() + rect.height()));
  93 }
  94
  95 // Methods called from Java.
  96 void ExternalVideoSurfaceContainerImpl::SurfaceCreated(
  97     JNIEnv* env, jobject obj, jint player_id, jobject jsurface) {
  98   if (!surface_created_cb_.is_null())
  99     surface_created_cb_.Run(static_cast<int>(player_id), jsurface);
 100 }
 101
 102 void ExternalVideoSurfaceContainerImpl::SurfaceDestroyed(
 103     JNIEnv* env, jobject obj, jint player_id) {
 104   if (!surface_destroyed_cb_.is_null())
 105     surface_destroyed_cb_.Run(static_cast<int>(player_id));
 106 }
 107
 108 bool RegisterExternalVideoSurfaceContainer(JNIEnv* env) {
 109   return RegisterNativesImpl(env) >= 0;
 110 }
 111
 112 }  // namespace android_webview