[vr] Introduce VrTabHelper

chrome/browser/android/vr_shell/vr_shell.cc

 // 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 "chrome/browser/android/vr_shell/vr_shell.h"
 
 #include <android/native_window_jni.h>
 
 #include <string>
 #include <utility>
@@ skipping 10 matching lines @@
 #include "chrome/browser/android/tab_android.h"
 #include "chrome/browser/android/vr_shell/android_ui_gesture_target.h"
 #include "chrome/browser/android/vr_shell/ui_interface.h"
 #include "chrome/browser/android/vr_shell/ui_scene_manager.h"
 #include "chrome/browser/android/vr_shell/vr_compositor.h"
 #include "chrome/browser/android/vr_shell/vr_controller_model.h"
 #include "chrome/browser/android/vr_shell/vr_gl_thread.h"
 #include "chrome/browser/android/vr_shell/vr_input_manager.h"
 #include "chrome/browser/android/vr_shell/vr_shell_delegate.h"
 #include "chrome/browser/android/vr_shell/vr_shell_gl.h"
+#include "chrome/browser/android/vr_shell/vr_tab_helper.h"
 #include "chrome/browser/android/vr_shell/vr_usage_monitor.h"
 #include "chrome/browser/android/vr_shell/vr_web_contents_observer.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_features.h"
 #include "content/public/common/referrer.h"
@@ skipping 15 matching lines @@
 
 using base::android::JavaParamRef;
 using base::android::JavaRef;
 
 namespace vr_shell {
 
 namespace {
 vr_shell::VrShell* g_instance;
 
 void SetIsInVR(content::WebContents* contents, bool is_in_vr) {
-  if (contents && contents->GetRenderWidgetHostView())
+  if (contents && contents->GetRenderWidgetHostView()) {
+    // TODO(asimjour) Contents should not be aware of VR mode. Instead, we
+    // should add a flag for disabling specific UI such as the keyboard (see
+    // VrTabHelper for details).
     contents->GetRenderWidgetHostView()->SetIsInVR(is_in_vr);
+
+    VrTabHelper* vr_tab_helper = VrTabHelper::FromWebContents(contents);
+    DCHECK(vr_tab_helper);
+    vr_tab_helper->SetIsInVr(is_in_vr);
+  }
 }
 
 void LoadControllerModelTask(
     base::WeakPtr<VrShell> weak_vr_shell,
     scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner) {
   auto controller_model = VrControllerModel::LoadFromComponent();
   if (controller_model) {
     main_thread_task_runner->PostTask(
         FROM_HERE, base::Bind(&VrShell::SubmitControllerModel, weak_vr_shell,
                               base::Passed(&controller_model)));
@@ skipping 492 matching lines @@
            jlong gvr_api,
            jboolean reprojected_rendering) {
   return reinterpret_cast<intptr_t>(new VrShell(
       env, obj, reinterpret_cast<ui::WindowAndroid*>(window_android),
       for_web_vr, in_cct,
       VrShellDelegate::GetNativeVrShellDelegate(env, delegate),
       reinterpret_cast<gvr_context*>(gvr_api), reprojected_rendering));
 }
 
 }  // namespace vr_shell