Chromium plumbing for Screen Orientation API orientationchange events.

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright (c) 2012 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 76 matching lines @@
 #include "content/browser/renderer_host/pepper/pepper_renderer_connection.h"
 #include "content/browser/renderer_host/render_message_filter.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_helper.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/socket_stream_dispatcher_host.h"
 #include "content/browser/renderer_host/text_input_client_message_filter.h"
 #include "content/browser/renderer_host/websocket_dispatcher_host.h"
 #include "content/browser/resolve_proxy_msg_helper.h"
+#include "content/browser/screen_orientation/screen_orientation_dispatcher_host.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/browser/service_worker/service_worker_dispatcher_host.h"
 #include "content/browser/speech/input_tag_speech_dispatcher_host.h"
 #include "content/browser/speech/speech_recognition_dispatcher_host.h"
 #include "content/browser/storage_partition_impl.h"
 #include "content/browser/streams/stream_context.h"
 #include "content/browser/tracing/trace_message_filter.h"
 #include "content/browser/vibration/vibration_message_filter.h"
 #include "content/browser/webui/web_ui_controller_factory_registry.h"
 #include "content/browser/worker_host/worker_message_filter.h"
@@ skipping 282 matching lines @@
           storage_partition_impl_(storage_partition_impl),
           sudden_termination_allowed_(true),
           ignore_input_events_(false),
           supports_browser_plugin_(supports_browser_plugin),
           is_guest_(is_guest),
           gpu_observer_registered_(false),
           delayed_cleanup_needed_(false),
           within_process_died_observer_(false),
           power_monitor_broadcaster_(this),
           geolocation_dispatcher_host_(NULL),
-          weak_factory_(this) {
+          weak_factory_(this),
+          screen_orientation_dispatcher_host_(NULL) {
   widget_helper_ = new RenderWidgetHelper();
 
   ChildProcessSecurityPolicyImpl::GetInstance()->Add(GetID());
 
   CHECK(!g_exited_main_message_loop);
   RegisterHost(GetID(), this);
   g_all_hosts.Get().set_check_on_null_data(true);
   // Initialize |child_process_activity_time_| to a reasonable value.
   mark_child_process_activity_time();
 
@@ skipping 370 matching lines @@
   AddFilter(new DeviceMotionMessageFilter());
   AddFilter(new DeviceOrientationMessageFilter());
   AddFilter(new ProfilerMessageFilter(PROCESS_TYPE_RENDERER));
   AddFilter(new HistogramMessageFilter());
 #if defined(USE_TCMALLOC) && (defined(OS_LINUX) || defined(OS_ANDROID))
   if (CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableMemoryBenchmarking))
     AddFilter(new MemoryBenchmarkMessageFilter());
 #endif
   AddFilter(new VibrationMessageFilter());
+  screen_orientation_dispatcher_host_ = new ScreenOrientationDispatcherHost();
+  AddFilter(screen_orientation_dispatcher_host_);
 }
 
 int RenderProcessHostImpl::GetNextRoutingID() {
   return widget_helper_->GetNextRoutingID();
 }
 
 
 void RenderProcessHostImpl::ResumeDeferredNavigation(
     const GlobalRequestID& request_id) {
   widget_helper_->ResumeDeferredNavigation(request_id);
@@ skipping 668 matching lines @@
     deleting_soon_ = true;
     // It's important not to wait for the DeleteTask to delete the channel
     // proxy. Kill it off now. That way, in case the profile is going away, the
     // rest of the objects attached to this RenderProcessHost start going
     // away first, since deleting the channel proxy will post a
     // OnChannelClosed() to IPC::ChannelProxy::Context on the IO thread.
     channel_.reset();
     gpu_message_filter_ = NULL;
     message_port_message_filter_ = NULL;
     geolocation_dispatcher_host_ = NULL;
+    screen_orientation_dispatcher_host_ = NULL;
 
     // Remove ourself from the list of renderer processes so that we can't be
     // reused in between now and when the Delete task runs.
     UnregisterHost(GetID());
   }
 }
 
 void RenderProcessHostImpl::AddPendingView() {
   pending_views_++;
 }
@@ skipping 367 matching lines @@
   FOR_EACH_OBSERVER(RenderProcessHostObserver,
                     observers_,
                     RenderProcessExited(this, GetHandle(), status, exit_code));
   within_process_died_observer_ = false;
 
   child_process_launcher_.reset();
   channel_.reset();
   gpu_message_filter_ = NULL;
   message_port_message_filter_ = NULL;
   geolocation_dispatcher_host_ = NULL;
+  screen_orientation_dispatcher_host_ = NULL;
 
   IDMap<IPC::Listener>::iterator iter(&listeners_);
   while (!iter.IsAtEnd()) {
     iter.GetCurrentValue()->OnMessageReceived(
         ViewHostMsg_RenderProcessGone(iter.GetCurrentKey(),
                                       static_cast<int>(status),
                                       exit_code));
     iter.Advance();
   }
 
@@ skipping 43 matching lines @@
 }
 
 #if defined(ENABLE_WEBRTC)
 void RenderProcessHostImpl::WebRtcLogMessage(const std::string& message) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!webrtc_log_message_callback_.is_null())
     webrtc_log_message_callback_.Run(message);
 }
 #endif
 
+scoped_refptr<ScreenOrientationDispatcherHost>
+RenderProcessHostImpl::screen_orientation_dispatcher_host() const {
+  return make_scoped_refptr(screen_orientation_dispatcher_host_);
+}
+
 void RenderProcessHostImpl::OnShutdownRequest() {
   // Don't shut down if there are active RenderViews, or if there are pending
   // RenderViews being swapped back in.
   // In single process mode, we never shutdown the renderer.
   int num_active_views = GetActiveViewCount();
   if (pending_views_ || num_active_views > 0 || run_renderer_in_process())
     return;
 
   // Notify any contents that might have swapped out renderers from this
   // process. They should not attempt to swap them back in.
@@ skipping 127 matching lines @@
     return;
   Send(new MediaStreamMsg_EnableAecDump(file_for_transit));
 }
 
 void RenderProcessHostImpl::SendDisableAecDumpToRenderer() {
   Send(new MediaStreamMsg_DisableAecDump());
 }
 #endif
 
 }  // namespace content