Implement the host side of the PPB_PDF proxy.

ppapi/proxy/ppapi_messages.h

 // 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.
 
 // Multiply-included message header, no traditional include guard.
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
@@ skipping 23 matching lines @@
 #include "ppapi/c/pp_rect.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_size.h"
 #include "ppapi/c/pp_time.h"
 #include "ppapi/c/ppb_audio_config.h"
 #include "ppapi/c/private/pp_content_decryptor.h"
 #include "ppapi/c/private/pp_private_font_charset.h"
 #include "ppapi/c/private/ppb_flash.h"
 #include "ppapi/c/private/ppb_host_resolver_private.h"
 #include "ppapi/c/private/ppb_net_address_private.h"
+#include "ppapi/c/private/ppb_pdf.h"
 #include "ppapi/c/private/ppb_tcp_socket_private.h"
 #include "ppapi/c/private/ppb_udp_socket_private.h"
 #include "ppapi/c/private/ppp_flash_browser_operations.h"
 #include "ppapi/proxy/host_resolver_private_resource.h"
 #include "ppapi/proxy/ppapi_param_traits.h"
 #include "ppapi/proxy/ppapi_proxy_export.h"
 #include "ppapi/proxy/resource_message_params.h"
 #include "ppapi/proxy/serialized_flash_menu.h"
 #include "ppapi/proxy/serialized_handle.h"
 #include "ppapi/proxy/serialized_structs.h"
@@ skipping 24 matching lines @@
 IPC_ENUM_TRAITS(PP_FlashSetting)
 IPC_ENUM_TRAITS(PP_InputEvent_MouseButton)
 IPC_ENUM_TRAITS(PP_InputEvent_Type)
 IPC_ENUM_TRAITS(PP_NetAddressFamily_Private)
 IPC_ENUM_TRAITS(PP_NetworkListState_Private)
 IPC_ENUM_TRAITS(PP_NetworkListType_Private)
 IPC_ENUM_TRAITS(PP_PrintOrientation_Dev)
 IPC_ENUM_TRAITS(PP_PrintOutputFormat_Dev)
 IPC_ENUM_TRAITS(PP_PrintScalingOption_Dev)
 IPC_ENUM_TRAITS(PP_PrivateFontCharset)
+IPC_ENUM_TRAITS(PP_ResourceImage)
+IPC_ENUM_TRAITS(PP_ResourceString)
 IPC_ENUM_TRAITS(PP_TextInput_Type)
 IPC_ENUM_TRAITS(PP_TrueTypeFontFamily_Dev)
 IPC_ENUM_TRAITS(PP_TrueTypeFontStyle_Dev)
 IPC_ENUM_TRAITS(PP_TrueTypeFontWeight_Dev)
 IPC_ENUM_TRAITS(PP_TrueTypeFontWidth_Dev)
 IPC_ENUM_TRAITS(PP_TrueTypeFontCharset_Dev)
 IPC_ENUM_TRAITS(PP_VideoDecodeError_Dev)
 IPC_ENUM_TRAITS(PP_VideoDecoder_Profile)
 
 IPC_STRUCT_TRAITS_BEGIN(PP_Point)
@@ skipping 1025 matching lines @@
                     PP_Resource /* audio_frames, PPB_Buffer_Dev */,
                     std::string /* serialized_block_info */)
 #endif  // !defined(OS_NACL) && !defined(NACL_WIN64)
 
 // PPB_NetworkMonitor_Private.
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_PPBNetworkMonitor_Start,
                      uint32 /* plugin_dispatcher_id */)
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_PPBNetworkMonitor_Stop,
                      uint32 /* plugin_dispatcher_id */)
 
-#if !defined(OS_NACL) && !defined(NACL_WIN64)
-// PPB_PDF
-IPC_SYNC_MESSAGE_ROUTED3_1(
-    PpapiHostMsg_PPBPDF_GetFontFileWithFallback,
-    PP_Instance /* instance */,
-    ppapi::proxy::SerializedFontDescription /* description */,
-    int32_t /* charset */,
-    ppapi::HostResource /* result */)
-IPC_SYNC_MESSAGE_ROUTED2_1(
-    PpapiHostMsg_PPBPDF_GetFontTableForPrivateFontFile,
-    ppapi::HostResource /* font_file */,
-    uint32_t /* table */,
-    std::string /* result */)
-#endif  // !defined(OS_NACL) && !defined(NACL_WIN64)
-
 // PPB_Testing.
 IPC_SYNC_MESSAGE_ROUTED3_1(
     PpapiHostMsg_PPBTesting_ReadImageData,
     ppapi::HostResource /* device_context_2d */,
     ppapi::HostResource /* image */,
     PP_Point /* top_left */,
     PP_Bool /* result */)
 IPC_SYNC_MESSAGE_ROUTED1_1(PpapiHostMsg_PPBTesting_GetLiveObjectsForInstance,
                            PP_Instance /* instance */,
                            uint32 /* result */)
@@ skipping 588 matching lines @@
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_FlashMenu_ShowReply,
                      int32_t /* selected_id */)
 
 // PDF ------------------------------------------------------------------------
 
 // Creates the PDF resource.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_PDF_Create)
 
 // Requests the localized string for the given ID.
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_PDF_GetLocalizedString,
-                     int /* string_id */)
+                     PP_ResourceString /* string_id */)
 // Reply for PpapiHostMsg_PDF_GetLocalizedString containing the localized
 // string.
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_PDF_GetLocalizedStringReply,
                      std::string /* localized_string*/)
 
 // Notifies the renderer that the PDF started loading.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_PDF_DidStartLoading)
 
 // Notifies the renderer that the PDF stopped loading.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_PDF_DidStopLoading)
@@ skipping 10 matching lines @@
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_PDF_HasUnsupportedFeature)
 
 // Notifies the renderer to print the current PDF.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_PDF_Print)
 
 // Notifies the renderer to save the current PDF.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_PDF_SaveAs)
 
 // Requests a resource image for the plugin at a particular scale.
 IPC_MESSAGE_CONTROL2(PpapiHostMsg_PDF_GetResourceImage,
-                     int /* image_id */,
+                     PP_ResourceImage /* image_id */,
                      float /* scale */)
 // Reply for PpapiHostMsg_PDF_GetResourceImage containing the host resource id
 // of the image and a string (representing a PP_ImageDataDesc) containing the
 // properties of the image. Also carries a shared memory handle pointing to the
-// memory containg the image.
-IPC_MESSAGE_CONTROL2(PpapiPluginMsg_PDF_GetResourceImageReply,
+// memory containg the image. On linux, the handle is transmitted in this
+// message as |fd|. This is due to the unfortunate way that ImageHandles are
+// defined for use with PPB_ImageData.
+IPC_MESSAGE_CONTROL3(PpapiPluginMsg_PDF_GetResourceImageReply,
                      ppapi::HostResource /* resource_id */,
-                     std::string /* image_data_desc */)
+                     std::string /* image_data_desc */,
+                     int /* fd */)
 
 // VideoCapture_Dev, plugin -> host
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_VideoCapture_Create)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_VideoCapture_StartCapture)
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_VideoCapture_ReuseBuffer,
                      uint32_t /* buffer */)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_VideoCapture_StopCapture)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_VideoCapture_Close)
 
 // VideoCapture_Dev, plugin -> host -> plugin
@@ skipping 21 matching lines @@
                      std::vector<ppapi::HostResource> /* buffers */,
                      uint32_t /* buffer_size */)
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_VideoCapture_OnStatus,
                      uint32_t /* status */)
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_VideoCapture_OnError,
                      uint32_t /* error */)
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_VideoCapture_OnBufferReady,
                      uint32_t /* buffer */)
 
 #endif  // !defined(OS_NACL) && !defined(NACL_WIN64)