[Ozone] Adding display related IPC messages

ui/ozone/common/gpu/ozone_gpu_messages.h

 // Copyright 2014 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.
 
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
+#include <vector>
+
 #include "ipc/ipc_message_macros.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 #include "ui/gfx/native_widget_types.h"
+#include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
 #include "ui/ozone/ozone_export.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT OZONE_EXPORT
 
 #define IPC_MESSAGE_START OzoneGpuMsgStart
 
+IPC_ENUM_TRAITS_MAX_VALUE(ui::DisplayConnectionType,
+                          ui::DISPLAY_CONNECTION_TYPE_LAST)
+
+IPC_STRUCT_TRAITS_BEGIN(ui::DisplayMode_Params)
+  IPC_STRUCT_TRAITS_MEMBER(size)
+  IPC_STRUCT_TRAITS_MEMBER(is_interlaced)
+  IPC_STRUCT_TRAITS_MEMBER(refresh_rate)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_TRAITS_BEGIN(ui::DisplaySnapshot_Params)
+  IPC_STRUCT_TRAITS_MEMBER(display_id)
+  IPC_STRUCT_TRAITS_MEMBER(has_proper_display_id)
+  IPC_STRUCT_TRAITS_MEMBER(origin)
+  IPC_STRUCT_TRAITS_MEMBER(physical_size)
+  IPC_STRUCT_TRAITS_MEMBER(type)
+  IPC_STRUCT_TRAITS_MEMBER(is_aspect_preserving_scaling)
+  IPC_STRUCT_TRAITS_MEMBER(has_overscan)
+  IPC_STRUCT_TRAITS_MEMBER(display_name)
+  IPC_STRUCT_TRAITS_MEMBER(modes)
+  IPC_STRUCT_TRAITS_MEMBER(has_current_mode)
+  IPC_STRUCT_TRAITS_MEMBER(current_mode)
+  IPC_STRUCT_TRAITS_MEMBER(has_native_mode)
+  IPC_STRUCT_TRAITS_MEMBER(native_mode)
+  IPC_STRUCT_TRAITS_MEMBER(string_representation)
+IPC_STRUCT_TRAITS_END()
+
 //------------------------------------------------------------------------------
 // GPU Messages
 // These are messages from the browser to the GPU process.
 
+////////////////////////////////////////////////////////////////////////////////
+// Cursor messages.

[spang, 2014/07/08 14:09:38]

It's not obvious which header belongs to which code. Probably should only be one
level with no subtle nesting.

[dnicoara, 2014/07/08 14:25:14]

Done.

+
 // Update the HW cursor bitmap & move to specified location.
 IPC_MESSAGE_CONTROL3(OzoneGpuMsg_CursorSet,
                      gfx::AcceleratedWidget, SkBitmap, gfx::Point)
 
 // Move the HW cursor to the specified location.
 IPC_MESSAGE_CONTROL2(OzoneGpuMsg_CursorMove,
                      gfx::AcceleratedWidget, gfx::Point)
 
+#if defined(OS_CHROMEOS)
+////////////////////////////////////////////////////////////////////////////////
+// Display configuration messages.
+
+// Force the DPMS state of the display to on.
+IPC_MESSAGE_CONTROL0(OzoneGpuMsg_ForceDPMSOn)
+
+// Trigger a display reconfiguration. OzoneHostMsg_UpdateNativeDisplays will be
+// sent as a resonse.
+IPC_MESSAGE_CONTROL0(OzoneGpuMsg_RefreshNativeDisplays)
+
+// Configure a display with the specified mode at the specified location.
+IPC_MESSAGE_CONTROL3(OzoneGpuMsg_ConfigureNativeDisplay,
+                     int64_t,  // display ID
+                     ui::DisplayMode_Params,  // display mode
+                     gfx::Point)  // origin for the display
+
+IPC_MESSAGE_CONTROL1(OzoneGpuMsg_DisableNativeDisplay,
+                     int64_t)  // display ID
+
+//------------------------------------------------------------------------------
+// Browser Messages
+// These messages are from the browser to the GPU process.
+
+// Updates the list of active displays.
+IPC_MESSAGE_CONTROL1(OzoneHostMsg_UpdateNativeDisplays,
+                     std::vector<ui::DisplaySnapshot_Params>)
+#endif