Provide URL-related info to the VR HTML UI.

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 "base/metrics/histogram_macros.h"
 #include "chrome/browser/android/vr_shell/ui_elements.h"
 #include "chrome/browser/android/vr_shell/ui_interface.h"
 #include "chrome/browser/android/vr_shell/ui_scene.h"
 #include "chrome/browser/android/vr_shell/vr_compositor.h"
 #include "chrome/browser/android/vr_shell/vr_controller.h"
 #include "chrome/browser/android/vr_shell/vr_gesture.h"
 #include "chrome/browser/android/vr_shell/vr_gl_util.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_renderer.h"
+#include "chrome/browser/android/vr_shell/vr_web_contents_observer.h"
 #include "content/public/browser/navigation_controller.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/referrer.h"
 #include "content/public/common/screen_info.h"
 #include "jni/VrShellImpl_jni.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/android/view_android.h"
 #include "ui/android/window_android.h"
@@ skipping 90 matching lines @@
     : main_contents_(main_contents),
       ui_contents_(ui_contents),
       weak_ptr_factory_(this) {
   DCHECK(g_instance == nullptr);
   g_instance = this;
   j_vr_shell_.Reset(env, obj);
   scene_.reset(new UiScene);
   html_interface_.reset(new UiInterface);
   content_compositor_.reset(new VrCompositor(content_window, false));
   ui_compositor_.reset(new VrCompositor(ui_window, true));
+  vr_web_contents_observer_.reset(
+      new VrWebContentsObserver(main_contents, html_interface_.get()));
 
   LoadUIContent();
 
   gvr::Mat4f identity;
   SetIdentityM(identity);
   webvr_head_pose_.resize(kPoseRingBufferSize, identity);
 }
 
 void VrShell::UpdateCompositorLayers(JNIEnv* env,
                                      const JavaParamRef<jobject>& obj) {
@@ skipping 533 matching lines @@
 void VrShell::OnDomContentsLoaded() {
   // TODO(mthiesse): Setting the background to transparent after the DOM content
   // has loaded is a hack to work around the background not updating when we set
   // it to transparent unless we perform a very specific sequence of events.
   // First the page background must load as not transparent, then we set the
   // background of the renderer to transparent, then we update the page
   // background to be transparent. This is probably a bug in blink that we
   // should fix.
   ui_contents_->GetRenderWidgetHostView()->SetBackgroundColor(
       SK_ColorTRANSPARENT);
+  html_interface_->SetURL(main_contents_->GetVisibleURL());
+  html_interface_->SetLoading(main_contents_->IsLoading());
   html_interface_->OnDomContentsLoaded();
 }
 
 void VrShell::SetWebVrMode(JNIEnv* env,
                            const base::android::JavaParamRef<jobject>& obj,
                            bool enabled) {
   webvr_mode_ = enabled;
   if (enabled) {
     html_interface_->SetMode(UiInterface::Mode::WEB_VR);
   } else {
@@ skipping 86 matching lines @@
         controller.GoForward();
       break;
     case RELOAD:
       controller.Reload(false);
       break;
 #if defined(ENABLE_VR_SHELL_UI_DEV)
     case RELOAD_UI:
       ui_contents_->GetController().Reload(false);
       html_interface_.reset(new UiInterface);
       html_interface_->SetMode(UiInterface::Mode::STANDARD);
+      vr_web_contents_observer_->SetUiInterface(html_interface_.get());
       break;
 #endif
     case ZOOM_OUT:  // Not handled yet.
     case ZOOM_IN:  // Not handled yet.
       break;
     default:
       NOTREACHED();
   }
 }
 
 // ----------------------------------------------------------------------------
 // Native JNI methods
 // ----------------------------------------------------------------------------
 
 jlong Init(JNIEnv* env,
            const JavaParamRef<jobject>& obj,
            const JavaParamRef<jobject>& content_web_contents,
            jlong content_window_android,
            const JavaParamRef<jobject>& ui_web_contents,
            jlong ui_window_android) {
   return reinterpret_cast<intptr_t>(new VrShell(
       env, obj, content::WebContents::FromJavaWebContents(content_web_contents),
       reinterpret_cast<ui::WindowAndroid*>(content_window_android),
       content::WebContents::FromJavaWebContents(ui_web_contents),
       reinterpret_cast<ui::WindowAndroid*>(ui_window_android)));
 }
 
 }  // namespace vr_shell