[Presentation API] 1-UA presentation support + presenter APIs.

chrome/browser/media/router/incognito_presentation_service_delegate.cc

+// Copyright 2015 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/media/router/incognito_presentation_service_delegate.h"
+
+#include "chrome/browser/media/router/one_ua_presentation_router.h"
+#include "chrome/browser/media/router/one_ua_presentation_router_factory.h"
+#include "chrome/browser/profiles/profile.h"
+
+DEFINE_WEB_CONTENTS_USER_DATA_KEY(
+    media_router::IncognitoPresentationServiceDelegate);
+
+using content::PresentationServiceDelegate;
+using content::RenderFrameHost;
+
+namespace media_router {
+
+// static
+IncognitoPresentationServiceDelegate*
+IncognitoPresentationServiceDelegate::GetOrCreateForWebContents(
+    content::WebContents* web_contents) {
+  DCHECK(web_contents);
+  // CreateForWebContents does nothing if the delegate instance already exists.
+  IncognitoPresentationServiceDelegate::CreateForWebContents(web_contents);
+  return IncognitoPresentationServiceDelegate::FromWebContents(web_contents);
+}
+
+IncognitoPresentationServiceDelegate::~IncognitoPresentationServiceDelegate() {
+  for (auto& observer_pair : observers_)
+    observer_pair.second->OnDelegateDestroyed();
+}
+
+void IncognitoPresentationServiceDelegate::AddObserver(
+    int render_process_id,
+    int render_frame_id,
+    content::PresentationServiceDelegate::Observer* observer) {
+  DCHECK(observer);
+
+  RenderFrameHostId rfh_id(render_process_id, render_frame_id);
+  DCHECK(!ContainsKey(observers_, rfh_id));
+  observers_[rfh_id] = observer;
+}
+
+void IncognitoPresentationServiceDelegate::RemoveObserver(int render_process_id,
+                                                          int render_frame_id) {
+  observers_.erase(RenderFrameHostId(render_process_id, render_frame_id));
+}
+
+bool IncognitoPresentationServiceDelegate::AddScreenAvailabilityListener(
+    int render_process_id,
+    int render_frame_id,
+    content::PresentationScreenAvailabilityListener* listener) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+void IncognitoPresentationServiceDelegate::RemoveScreenAvailabilityListener(
+    int render_process_id,
+    int render_frame_id,
+    content::PresentationScreenAvailabilityListener* listener) {
+  NOTIMPLEMENTED();
+}
+
+void IncognitoPresentationServiceDelegate::Reset(int render_process_id,
+                                                 int render_frame_id) {
+  DVLOG(2) << __FUNCTION__ << render_process_id << ", " << render_frame_id;
+  one_ua_presentation_router_->Reset(
+      RenderFrameHostId(render_process_id, render_frame_id));
+}
+
+void IncognitoPresentationServiceDelegate::SetDefaultPresentationUrl(
+    int render_process_id,
+    int render_frame_id,
+    const std::string& default_presentation_url) {
+  NOTIMPLEMENTED();
+}
+
+void IncognitoPresentationServiceDelegate::StartSession(
+    int render_process_id,
+    int render_frame_id,
+    const std::string& presentation_url,
+    const PresentationSessionSuccessCallback& success_cb,
+    const PresentationSessionErrorCallback& error_cb) {
+  NOTIMPLEMENTED();
+  error_cb.Run(content::PresentationError(content::PRESENTATION_ERROR_UNKNOWN,
+                                          "Not implemented"));
+}
+
+void IncognitoPresentationServiceDelegate::JoinSession(
+    int render_process_id,
+    int render_frame_id,
+    const std::string& presentation_url,
+    const std::string& presentation_id,
+    const PresentationSessionSuccessCallback& success_cb,
+    const PresentationSessionErrorCallback& error_cb) {
+  NOTIMPLEMENTED();
+  error_cb.Run(content::PresentationError(content::PRESENTATION_ERROR_UNKNOWN,
+                                          "Not implemented"));
+}
+
+void IncognitoPresentationServiceDelegate::CloseSession(
+    int render_process_id,
+    int render_frame_id,
+    const std::string& presentation_id) {
+  NOTIMPLEMENTED();
+}
+
+void IncognitoPresentationServiceDelegate::ListenForSessionMessages(
+    int render_process_id,
+    int render_frame_id,
+    const content::PresentationSessionInfo& session,
+    const content::PresentationSessionMessageCallback& message_cb) {
+  DVLOG(2) << __FUNCTION__ << render_process_id << ", " << render_frame_id;
+  DCHECK(one_ua_presentation_router_->IsPresenter(
+      RenderFrameHostId(render_process_id, render_frame_id)));
+  DCHECK(session.presentation_url.empty());
+
+  one_ua_presentation_router_->ListenForMessages(session, message_cb);
+}
+
+void IncognitoPresentationServiceDelegate::SendMessage(
+    int render_process_id,
+    int render_frame_id,
+    const content::PresentationSessionInfo& session,
+    scoped_ptr<content::PresentationSessionMessage> message,
+    const content::SendMessageCallback& send_message_cb) {
+  DVLOG(2) << __FUNCTION__ << render_process_id << ", " << render_frame_id;
+  DCHECK(one_ua_presentation_router_->IsPresenter(
+      RenderFrameHostId(render_process_id, render_frame_id)));
+  DCHECK(session.presentation_url.empty());
+
+  one_ua_presentation_router_->SendMessage(session, message.Pass(),
+                                           send_message_cb);
+}
+
+void IncognitoPresentationServiceDelegate::ListenForSessionStateChange(
+    int render_process_id,
+    int render_frame_id,
+    const content::SessionStateChangedCallback& state_changed_cb) {
+  DVLOG(2) << __FUNCTION__ << render_process_id << ", " << render_frame_id;
+  NOTIMPLEMENTED();
+  // TODO(imcheng): Implement when ListenForSessionStateChange takes a
+  // PresentationSessionInfo as input.
+}
+
+void IncognitoPresentationServiceDelegate::GetPresenterSession(
+    int render_process_id,
+    int render_frame_id,
+    const content::PresenterSessionAvailableCallback& success_callback,
+    const base::Callback<void(const std::string&)>& error_callback) {
+  DVLOG(2) << __FUNCTION__ << render_process_id << ", " << render_frame_id;
+
+  RenderFrameHostId rfh_id(render_process_id, render_frame_id);
+  if (!one_ua_presentation_router_->IsPresenter(rfh_id)) {
+    DVLOG(1) << "Not a presenter: " << render_process_id << ", "
+             << render_frame_id;
+    error_callback.Run("Not a presenter frame");
+    return;
+  }
+
+  one_ua_presentation_router_->GetSinglePresenterSession(rfh_id,
+                                                         success_callback);
+}
+
+std::vector<content::PresentationSessionInfo>
+IncognitoPresentationServiceDelegate::GetPresenterSessions(
+    int render_process_id,
+    int render_frame_id) {
+  DVLOG(2) << __FUNCTION__ << render_process_id << ", " << render_frame_id;
+
+  RenderFrameHostId rfh_id(render_process_id, render_frame_id);
+  if (!one_ua_presentation_router_->IsPresenter(rfh_id)) {
+    DVLOG(1) << "Not a presenter: " << render_process_id << ", "
+             << render_frame_id;
+    return std::vector<content::PresentationSessionInfo>();
+  }
+
+  return one_ua_presentation_router_->GetPresenterSessions(rfh_id);
+}
+
+IncognitoPresentationServiceDelegate::IncognitoPresentationServiceDelegate(
+    content::WebContents* web_contents)
+    : web_contents_(web_contents),
+      // Get the OneUAPresentationRouter keyed off the controller profile, since
+      // it is where the 1-UA presentation is registered.
+      // Per OffscreenPresentationsOwner, the controller profile is the
+      // presenter
+      // tab's original profile.
+      one_ua_presentation_router_(
+          OneUAPresentationRouterFactory::GetOrCreateForBrowserContext(
+              Profile::FromBrowserContext(web_contents_->GetBrowserContext())
+                  ->GetOriginalProfile())) {
+  DCHECK(web_contents_);
+  DCHECK(one_ua_presentation_router_);
+}
+
+}  // namespace media_router