DialogSurfaceManager implementation.

content/browser/media/android/dialog_surface_window_token_provider_impl.cc

Index: content/browser/media/android/dialog_surface_window_token_provider_impl.cc
diff --git a/content/browser/media/android/dialog_surface_window_token_provider_impl.cc b/content/browser/media/android/dialog_surface_window_token_provider_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..435c59cb0d23eea38eef10e7d6e2b3e74f961920
--- /dev/null
+++ b/content/browser/media/android/dialog_surface_window_token_provider_impl.cc
@@ -0,0 +1,100 @@
+// Copyright 2016 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/media/android/dialog_surface_window_token_provider_impl.h"
+
+#include "base/lazy_instance.h"
+#include "base/threading/thread_task_runner_handle.h"
+// TODO(liberato): browser_media_player_manager only does this if !USE_AURA
+#include "content/browser/android/content_view_core_impl.h"
+#include "content/browser/frame_host/render_frame_host_impl.h"
+#include "content/public/browser/render_process_host.h"
+#include "content/public/browser/web_contents.h"
+#include "jni/DialogSurfaceWindowTokenProviderImpl_jni.h"
+
+namespace {
+
+static base::android::ScopedJavaGlobalRef<jobject> GetContentViewCore(
+    jint renderer_pid,
+    jint render_frame_id) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+
+  // Get the id from the handle.  On android, the handle is the pid.
+  content::RenderProcessHost::iterator it =
+      content::RenderProcessHost::AllHostsIterator();
+  int render_process_id = 0;
+  while (!it.IsAtEnd()) {
+    if (it.GetCurrentValue()->GetHandle() == renderer_pid) {
+      render_process_id = it.GetCurrentValue()->GetID();
+      break;
+    }
+    it.Advance();
+  }
+  if (!render_process_id) {
+    DVLOG(1) << "Cannot find render process for renderer_pid " << renderer_pid;
+    return nullptr;
+  }
+
+  // Get the frame from the id.
+  content::RenderFrameHostImpl* frame =
+      content::RenderFrameHostImpl::FromID(render_process_id, render_frame_id);
+  if (!frame) {
+    DVLOG(1) << "Cannot find frame for renderer_pid " << renderer_pid
+             << " render_frame_id " << render_frame_id;
+    return nullptr;
+  }
+
+  content::WebContents* web_contents =
+      content::WebContents::FromRenderFrameHost(frame);
+  if (!web_contents) {
+    DVLOG(1) << "Cannot find web_contents for renderer_pid " << renderer_pid
+             << " render_frame_id " << render_frame_id;
+    return nullptr;
+  }
+
+  content::ContentViewCore* cvc =
+      content::ContentViewCoreImpl::FromWebContents(web_contents);
+  if (!cvc) {
+    DVLOG(1) << "Cannot find cvc for renderer_pid " << renderer_pid
+             << " render_frame_id " << render_frame_id;
+    return nullptr;
+  }
+
+  return base::android::ScopedJavaGlobalRef<jobject>(cvc->GetJavaObject());
+}
+
+static void PostContentViewCore(
+    jint renderer_pid,
+    jint render_frame_id,
+    const base::android::ScopedJavaGlobalRef<jobject>& token_provider,
+    const base::android::ScopedJavaGlobalRef<jobject>& client) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  base::android::ScopedJavaGlobalRef<jobject> cvc =
+      GetContentViewCore(renderer_pid, render_frame_id);
+  content::Java_DialogSurfaceWindowTokenProviderImpl_onContentViewCore(
+      env, token_provider.obj(), client.obj(), cvc.obj());
+}
+}
+
+namespace content {
+
+static void CallBackWithContentViewCore(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jclass>& jcaller,
+    jint renderer_pid,
+    jint render_frame_id,
+    const base::android::JavaParamRef<jobject>& token_provider,
+    const base::android::JavaParamRef<jobject>& client) {
+  content::BrowserThread::PostTask(
+      content::BrowserThread::UI, FROM_HERE,
+      base::Bind(PostContentViewCore, renderer_pid, render_frame_id,
+                 base::android::ScopedJavaGlobalRef<jobject>(token_provider),
+                 base::android::ScopedJavaGlobalRef<jobject>(client)));
+}
+
+bool RegisterDialogSurfaceWindowTokenProviderImpl(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+}  // namespace content