Move PepperOutputProtectionMessageFilter::Delegate to OutputProtectionDelegate.

chrome/browser/chromeos/display/output_protection_delegate.cc

 // Copyright 2013 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/renderer_host/pepper/pepper_output_protection_message_filter.h"
+#include "chrome/browser/chromeos/display/output_protection_delegate.h"
 
+#include "ash/shell.h"
+#include "ash/shell_delegate.h"
 #include "build/build_config.h"
 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
-#include "content/public/browser/browser_ppapi_host.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
-#include "ppapi/c/pp_errors.h"
-#include "ppapi/c/private/ppb_output_protection_private.h"
-#include "ppapi/host/dispatch_host_message.h"
-#include "ppapi/host/host_message_context.h"
-#include "ppapi/host/ppapi_host.h"
-#include "ppapi/proxy/ppapi_messages.h"
+#include "ui/gfx/screen.h"
 
-#if defined(OS_CHROMEOS)
-#include "ash/shell.h"
-#include "ash/shell_delegate.h"
-#include "ui/aura/window.h"
-#include "ui/display/chromeos/display_configurator.h"
-#include "ui/gfx/screen.h"
-#endif
-
-namespace chrome {
+namespace chromeos {
 
 namespace {
 
-#if defined(OS_CHROMEOS)
-static_assert(static_cast<int>(PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_NONE) ==
-                   static_cast<int>(ui::DISPLAY_CONNECTION_TYPE_NONE),
-              "PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_NONE value mismatch");
-static_assert(
-    static_cast<int>(PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_UNKNOWN) ==
-        static_cast<int>(ui::DISPLAY_CONNECTION_TYPE_UNKNOWN),
-    "PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_UNKNOWN value mismatch");
-static_assert(
-    static_cast<int>(PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_INTERNAL) ==
-        static_cast<int>(ui::DISPLAY_CONNECTION_TYPE_INTERNAL),
-    "PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_INTERNAL value mismatch");
-static_assert(static_cast<int>(PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_VGA) ==
-                   static_cast<int>(ui::DISPLAY_CONNECTION_TYPE_VGA),
-               "PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_VGA value mismatch");
-static_assert(static_cast<int>(PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_HDMI) ==
-                   static_cast<int>(ui::DISPLAY_CONNECTION_TYPE_HDMI),
-               "PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_HDMI value mismatch");
-static_assert(static_cast<int>(PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_DVI) ==
-                   static_cast<int>(ui::DISPLAY_CONNECTION_TYPE_DVI),
-               "PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_DVI value mismatch");
-static_assert(
-    static_cast<int>(PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_DISPLAYPORT) ==
-        static_cast<int>(ui::DISPLAY_CONNECTION_TYPE_DISPLAYPORT),
-    "PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_DISPLAYPORT value mismatch");
-static_assert(
-    static_cast<int>(PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_NETWORK) ==
-        static_cast<int>(ui::DISPLAY_CONNECTION_TYPE_NETWORK),
-    "PP_OUTPUT_PROTECTION_LINK_TYPE_PRIVATE_NETWORK value mismatch");
-static_assert(static_cast<int>(PP_OUTPUT_PROTECTION_METHOD_PRIVATE_NONE) ==
-                   static_cast<int>(ui::CONTENT_PROTECTION_METHOD_NONE),
-               "PP_OUTPUT_PROTECTION_METHOD_PRIVATE_NONE value mismatch");
-static_assert(static_cast<int>(PP_OUTPUT_PROTECTION_METHOD_PRIVATE_HDCP) ==
-                   static_cast<int>(ui::CONTENT_PROTECTION_METHOD_HDCP),
-               "PP_OUTPUT_PROTECTION_METHOD_PRIVATE_HDCP value mismatch");
-
 bool GetCurrentDisplayId(content::RenderFrameHost* rfh, int64* display_id) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   gfx::NativeView native_view = rfh->GetNativeView();
   gfx::Screen* screen = gfx::Screen::GetScreenFor(native_view);
   if (!screen)
     return false;
   gfx::Display display = screen->GetDisplayNearestWindow(native_view);
   *display_id = display.id();
   return true;
 }
 
 void DoNothing(bool status) {
 }
 
-#endif
-
 }  // namespace
 
-#if defined(OS_CHROMEOS)
-// Output protection delegate. All methods except constructor should be
-// invoked in UI thread.
-class PepperOutputProtectionMessageFilter::Delegate
-    : public aura::WindowObserver {
- public:
-  typedef base::Callback<void(int32_t /* result */,
-                              uint32_t /* link_mask */,
-                              uint32_t /* protection_mask*/)>
-      QueryStatusCallback;
-  typedef base::Callback<void(int32_t /* result */)> EnableProtectionCallback;
-
-  Delegate(int render_process_id, int render_frame_id);
-  ~Delegate() override;
-
-  // aura::WindowObserver overrides.
-  void OnWindowHierarchyChanged(
-      const aura::WindowObserver::HierarchyChangeParams& params) override;
-  void OnWindowDestroying(aura::Window* window) override;
-
-  void QueryStatus(const QueryStatusCallback& callback);
-  void EnableProtection(uint32_t desired_method_mask,
-                        const EnableProtectionCallback& callback);
-
- private:
-  ui::DisplayConfigurator::ContentProtectionClientId GetClientId();
-
-  void QueryStatusComplete(
-      const QueryStatusCallback& callback,
-      const ui::DisplayConfigurator::QueryProtectionResponse& response);
-  void EnableProtectionComplete(const EnableProtectionCallback& callback,
-                                bool success);
-
-  // Used to lookup the WebContents associated with this PP_Instance.
-  int render_process_id_;
-  int render_frame_id_;
-
-  // Native window being observed.
-  aura::Window* window_;
-
-  ui::DisplayConfigurator::ContentProtectionClientId client_id_;
-
-  // The display id which the renderer currently uses.
-  int64 display_id_;
-
-  // The last desired method mask. Will enable this mask on new display if
-  // renderer changes display.
-  uint32_t desired_method_mask_;
-
-  base::WeakPtrFactory<PepperOutputProtectionMessageFilter::Delegate>
-      weak_ptr_factory_;
-};
-
-PepperOutputProtectionMessageFilter::Delegate::Delegate(int render_process_id,
-                                                        int render_frame_id)
+OutputProtectionDelegate::OutputProtectionDelegate(int render_process_id,
+                                                   int render_frame_id)
     : render_process_id_(render_process_id),
       render_frame_id_(render_frame_id),
-      window_(NULL),
+      window_(nullptr),
       client_id_(ui::DisplayConfigurator::kInvalidClientId),
       display_id_(0),
       weak_ptr_factory_(this) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 }
 
-PepperOutputProtectionMessageFilter::Delegate::~Delegate() {
+OutputProtectionDelegate::~OutputProtectionDelegate() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   ui::DisplayConfigurator* configurator =
       ash::Shell::GetInstance()->display_configurator();
   configurator->UnregisterContentProtectionClient(client_id_);
 
   if (window_)
     window_->RemoveObserver(this);
 }
 
 ui::DisplayConfigurator::ContentProtectionClientId
-PepperOutputProtectionMessageFilter::Delegate::GetClientId() {
+OutputProtectionDelegate::GetClientId() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (client_id_ == ui::DisplayConfigurator::kInvalidClientId) {
     content::RenderFrameHost* rfh =
         content::RenderFrameHost::FromID(render_process_id_, render_frame_id_);
     if (!GetCurrentDisplayId(rfh, &display_id_))
       return ui::DisplayConfigurator::kInvalidClientId;
 
     window_ = rfh->GetNativeView();
     if (!window_)
       return ui::DisplayConfigurator::kInvalidClientId;
 
     ui::DisplayConfigurator* configurator =
         ash::Shell::GetInstance()->display_configurator();
     client_id_ = configurator->RegisterContentProtectionClient();
 
     if (client_id_ != ui::DisplayConfigurator::kInvalidClientId)
       window_->AddObserver(this);
   }
   return client_id_;
 }
 
-void PepperOutputProtectionMessageFilter::Delegate::QueryStatus(
+void OutputProtectionDelegate::QueryStatus(
     const QueryStatusCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   content::RenderFrameHost* rfh =
       content::RenderFrameHost::FromID(render_process_id_, render_frame_id_);
   if (!rfh) {
     LOG(WARNING) << "RenderFrameHost is not alive.";
-    callback.Run(PP_ERROR_FAILED, 0, 0);
+    callback.Run(false, 0, 0);
     return;
   }
 
   ui::DisplayConfigurator* configurator =
       ash::Shell::GetInstance()->display_configurator();
   configurator->QueryContentProtectionStatus(
       GetClientId(), display_id_,
-      base::Bind(
-          &PepperOutputProtectionMessageFilter::Delegate::QueryStatusComplete,
-          weak_ptr_factory_.GetWeakPtr(), callback));
+      base::Bind(&OutputProtectionDelegate::QueryStatusComplete,
+                 weak_ptr_factory_.GetWeakPtr(), callback));
 }
 
-void PepperOutputProtectionMessageFilter::Delegate::EnableProtection(
+void OutputProtectionDelegate::EnableProtection(
     uint32_t desired_method_mask,
     const EnableProtectionCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   ui::DisplayConfigurator* configurator =
       ash::Shell::GetInstance()->display_configurator();
   configurator->EnableContentProtection(
       GetClientId(), display_id_, desired_method_mask,
-      base::Bind(&PepperOutputProtectionMessageFilter::Delegate::
-                     EnableProtectionComplete,
+      base::Bind(&OutputProtectionDelegate::EnableProtectionComplete,
                  weak_ptr_factory_.GetWeakPtr(), callback));
   desired_method_mask_ = desired_method_mask;
 }
 
-void PepperOutputProtectionMessageFilter::Delegate::QueryStatusComplete(
+void OutputProtectionDelegate::QueryStatusComplete(
     const QueryStatusCallback& callback,
     const ui::DisplayConfigurator::QueryProtectionResponse& response) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+
   content::RenderFrameHost* rfh =
       content::RenderFrameHost::FromID(render_process_id_, render_frame_id_);
   if (!rfh) {
     LOG(WARNING) << "RenderFrameHost is not alive.";
-    callback.Run(PP_ERROR_FAILED, 0, 0);
+    callback.Run(false, 0, 0);
     return;
   }
 
   uint32_t link_mask = response.link_mask;
   // If we successfully retrieved the device level status, check for capturers.
   if (response.success) {
     const bool capture_detected =
         // Check for tab capture on the current tab.
         content::WebContents::FromRenderFrameHost(rfh)->GetCapturerCount() >
             0 ||
         // Check for desktop capture.
         MediaCaptureDevicesDispatcher::GetInstance()
             ->IsDesktopCaptureInProgress();
     if (capture_detected)
       link_mask |= ui::DISPLAY_CONNECTION_TYPE_NETWORK;
   }
 
-  callback.Run(response.success ? PP_OK : PP_ERROR_FAILED, link_mask,
-               response.protection_mask);
+  callback.Run(response.success, link_mask, response.protection_mask);
 }
 
-void PepperOutputProtectionMessageFilter::Delegate::EnableProtectionComplete(
+void OutputProtectionDelegate::EnableProtectionComplete(
     const EnableProtectionCallback& callback,
-    bool result) {
-  callback.Run(result ? PP_OK : PP_ERROR_FAILED);
+    bool success) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+
+  callback.Run(success);
 }
 
-void PepperOutputProtectionMessageFilter::Delegate::OnWindowHierarchyChanged(
+void OutputProtectionDelegate::OnWindowHierarchyChanged(
     const aura::WindowObserver::HierarchyChangeParams& params) {
   content::RenderFrameHost* rfh =
       content::RenderFrameHost::FromID(render_process_id_, render_frame_id_);
   if (!rfh) {
     LOG(WARNING) << "RenderFrameHost is not alive.";
     return;
   }
 
   int64 new_display_id = 0;
   if (!GetCurrentDisplayId(rfh, &new_display_id))
     return;
   if (display_id_ == new_display_id)
     return;
 
   if (desired_method_mask_ != ui::CONTENT_PROTECTION_METHOD_NONE) {
     // Display changed and should enable output protections on new display.
     ui::DisplayConfigurator* configurator =
         ash::Shell::GetInstance()->display_configurator();
     configurator->EnableContentProtection(GetClientId(), new_display_id,
                                           desired_method_mask_,
                                           base::Bind(&DoNothing));
     configurator->EnableContentProtection(GetClientId(), display_id_,
                                           ui::CONTENT_PROTECTION_METHOD_NONE,
                                           base::Bind(&DoNothing));
   }
   display_id_ = new_display_id;
 }
 
-void PepperOutputProtectionMessageFilter::Delegate::OnWindowDestroying(
-    aura::Window* window) {
+void OutputProtectionDelegate::OnWindowDestroying(aura::Window* window) {
   DCHECK_EQ(window, window_);
   window_->RemoveObserver(this);
-  window_ = NULL;
-}
-#endif  // defined(OS_CHROMEOS)
-
-PepperOutputProtectionMessageFilter::PepperOutputProtectionMessageFilter(
-    content::BrowserPpapiHost* host,
-    PP_Instance instance)
-    : weak_ptr_factory_(this) {
-#if defined(OS_CHROMEOS)
-  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
-  int render_process_id = 0;
-  int render_frame_id = 0;
-  host->GetRenderFrameIDsForInstance(
-      instance, &render_process_id, &render_frame_id);
-  delegate_ = new Delegate(render_process_id, render_frame_id);
-#else
-  NOTIMPLEMENTED();
-#endif
+  window_ = nullptr;
 }
 
-PepperOutputProtectionMessageFilter::~PepperOutputProtectionMessageFilter() {
-#if defined(OS_CHROMEOS)
-  content::BrowserThread::DeleteSoon(
-      content::BrowserThread::UI, FROM_HERE, delegate_);
-  delegate_ = NULL;
-#endif
-}
-
-scoped_refptr<base::TaskRunner>
-PepperOutputProtectionMessageFilter::OverrideTaskRunnerForMessage(
-    const IPC::Message& message) {
-  return content::BrowserThread::GetMessageLoopProxyForThread(
-      content::BrowserThread::UI);
-}
-
-int32_t PepperOutputProtectionMessageFilter::OnResourceMessageReceived(
-    const IPC::Message& msg,
-    ppapi::host::HostMessageContext* context) {
-  PPAPI_BEGIN_MESSAGE_MAP(PepperOutputProtectionMessageFilter, msg)
-    PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(
-        PpapiHostMsg_OutputProtection_QueryStatus, OnQueryStatus);
-    PPAPI_DISPATCH_HOST_RESOURCE_CALL(
-        PpapiHostMsg_OutputProtection_EnableProtection, OnEnableProtection);
-  PPAPI_END_MESSAGE_MAP()
-  return PP_ERROR_FAILED;
-}
-
-int32_t PepperOutputProtectionMessageFilter::OnQueryStatus(
-    ppapi::host::HostMessageContext* context) {
-#if defined(OS_CHROMEOS)
-  ppapi::host::ReplyMessageContext reply_context =
-      context->MakeReplyMessageContext();
-  delegate_->QueryStatus(
-      base::Bind(&PepperOutputProtectionMessageFilter::OnQueryStatusComplete,
-                 weak_ptr_factory_.GetWeakPtr(), reply_context));
-  return PP_OK_COMPLETIONPENDING;
-#else
-  NOTIMPLEMENTED();
-  return PP_ERROR_NOTSUPPORTED;
-#endif
-}
-
-int32_t PepperOutputProtectionMessageFilter::OnEnableProtection(
-    ppapi::host::HostMessageContext* context,
-    uint32_t desired_method_mask) {
-#if defined(OS_CHROMEOS)
-  ppapi::host::ReplyMessageContext reply_context =
-      context->MakeReplyMessageContext();
-  delegate_->EnableProtection(
-      desired_method_mask,
-      base::Bind(
-          &PepperOutputProtectionMessageFilter::OnEnableProtectionComplete,
-          weak_ptr_factory_.GetWeakPtr(), reply_context));
-  return PP_OK_COMPLETIONPENDING;
-#else
-  NOTIMPLEMENTED();
-  return PP_ERROR_NOTSUPPORTED;
-#endif
-}
-
-void PepperOutputProtectionMessageFilter::OnQueryStatusComplete(
-    ppapi::host::ReplyMessageContext reply_context,
-    int32_t result,
-    uint32_t link_mask,
-    uint32_t protection_mask) {
-  reply_context.params.set_result(result);
-  SendReply(reply_context, PpapiPluginMsg_OutputProtection_QueryStatusReply(
-                               link_mask, protection_mask));
-}
-
-void PepperOutputProtectionMessageFilter::OnEnableProtectionComplete(
-    ppapi::host::ReplyMessageContext reply_context,
-    int32_t result) {
-  reply_context.params.set_result(result);
-  SendReply(reply_context,
-            PpapiPluginMsg_OutputProtection_EnableProtectionReply());
-}
-
-}  // namespace chrome
+}  // namespace chromeos