Add private PPAPI interfaces for PDFium accessibility.

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 <stdint.h>
 
 #include <map>
 #include <string>
@@ skipping 118 matching lines @@
 IPC_ENUM_TRAITS(PP_TrueTypeFontWidth_Dev)
 IPC_ENUM_TRAITS(PP_TrueTypeFontCharset_Dev)
 IPC_ENUM_TRAITS_MAX_VALUE(PP_UDPSocket_Option,
                           PP_UDPSOCKET_OPTION_MULTICAST_TTL)
 IPC_ENUM_TRAITS(PP_VideoDecodeError_Dev)
 IPC_ENUM_TRAITS(PP_VideoDecoder_Profile)
 IPC_ENUM_TRAITS_MAX_VALUE(PP_VideoFrame_Format, PP_VIDEOFRAME_FORMAT_LAST)
 IPC_ENUM_TRAITS_MAX_VALUE(PP_HardwareAcceleration, PP_HARDWAREACCELERATION_LAST)
 IPC_ENUM_TRAITS_MAX_VALUE(PP_AudioProfile, PP_AUDIOPROFILE_MAX)
 IPC_ENUM_TRAITS_MAX_VALUE(PP_VideoProfile, PP_VIDEOPROFILE_MAX)
+IPC_ENUM_TRAITS_MAX_VALUE(PP_PrivateDirection, PP_PRIVATEDIRECTION_LAST)

[Lei Zhang, 2016/06/01 21:26:33]

+tsepez for IPC.

 
 IPC_STRUCT_TRAITS_BEGIN(PP_Point)
   IPC_STRUCT_TRAITS_MEMBER(x)
   IPC_STRUCT_TRAITS_MEMBER(y)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(PP_FloatPoint)
   IPC_STRUCT_TRAITS_MEMBER(x)
   IPC_STRUCT_TRAITS_MEMBER(y)
 IPC_STRUCT_TRAITS_END()
@@ skipping 63 matching lines @@
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(PP_PdfPrintPresetOptions_Dev)
   IPC_STRUCT_TRAITS_MEMBER(is_scaling_disabled)
   IPC_STRUCT_TRAITS_MEMBER(copies)
   IPC_STRUCT_TRAITS_MEMBER(duplex)
   IPC_STRUCT_TRAITS_MEMBER(is_page_size_uniform)
   IPC_STRUCT_TRAITS_MEMBER(uniform_page_size)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(PP_PrivateAccessibilityViewportInfo)
+  IPC_STRUCT_TRAITS_MEMBER(zoom)
+  IPC_STRUCT_TRAITS_MEMBER(scroll)
+  IPC_STRUCT_TRAITS_MEMBER(offset)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_TRAITS_BEGIN(PP_PrivateAccessibilityDocInfo)
+  IPC_STRUCT_TRAITS_MEMBER(page_count)
+  IPC_STRUCT_TRAITS_MEMBER(text_accessible)
+  IPC_STRUCT_TRAITS_MEMBER(text_copyable)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_TRAITS_BEGIN(PP_PrivateAccessibilityCharInfo)
+  IPC_STRUCT_TRAITS_MEMBER(unicode_character)
+  IPC_STRUCT_TRAITS_MEMBER(char_width)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_TRAITS_BEGIN(PP_PrivateAccessibilityTextRunInfo)
+  IPC_STRUCT_TRAITS_MEMBER(len)
+  IPC_STRUCT_TRAITS_MEMBER(font_size)
+  IPC_STRUCT_TRAITS_MEMBER(bounds)
+  IPC_STRUCT_TRAITS_MEMBER(direction)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_TRAITS_BEGIN(PP_PrivateAccessibilityPageInfo)
+  IPC_STRUCT_TRAITS_MEMBER(page_index)
+  IPC_STRUCT_TRAITS_MEMBER(bounds)
+  IPC_STRUCT_TRAITS_MEMBER(text_run_count)
+  IPC_STRUCT_TRAITS_MEMBER(char_count)
+IPC_STRUCT_TRAITS_END()
+
 IPC_STRUCT_TRAITS_BEGIN(PP_URLComponent_Dev)
   IPC_STRUCT_TRAITS_MEMBER(begin)
   IPC_STRUCT_TRAITS_MEMBER(len)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(PP_URLComponents_Dev)
   IPC_STRUCT_TRAITS_MEMBER(scheme)
   IPC_STRUCT_TRAITS_MEMBER(username)
   IPC_STRUCT_TRAITS_MEMBER(password)
   IPC_STRUCT_TRAITS_MEMBER(host)
@@ skipping 507 matching lines @@
 
 // PPP_Pdf
 IPC_MESSAGE_ROUTED2(PpapiMsg_PPPPdf_Rotate,
                     PP_Instance /* instance */,
                     bool /* clockwise */)
 IPC_SYNC_MESSAGE_ROUTED1_2(
     PpapiMsg_PPPPdf_PrintPresetOptions,
     PP_Instance /* instance */,
     PP_PdfPrintPresetOptions_Dev /* print preset options */,
     PP_Bool /* result */)
+IPC_MESSAGE_ROUTED1(PpapiMsg_PPPPdf_EnableAccessibility,
+                    PP_Instance /* instance */)
 
 // Find
 IPC_MESSAGE_ROUTED2(PpapiPluginMsg_PPPFind_StartFind,
                     PP_Instance /* instance */,
                     std::string /* text */)
 IPC_MESSAGE_ROUTED2(PpapiPluginMsg_PPPFind_SelectFindResult,
                     PP_Instance /* instance */,
                     PP_Bool /* forward */)
 IPC_MESSAGE_ROUTED1(PpapiPluginMsg_PPPFind_StopFind,
                     PP_Instance /* instance */)
@@ skipping 1652 matching lines @@
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_PDF_SaveAs)
 
 // Called by the plugin when its selection changes.
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_PDF_SetSelectedText,
                      base::string16 /* selected_text */)
 
 // Called by the plugin to set the link under the cursor.
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_PDF_SetLinkUnderCursor,
                      std::string /* url */)
 
+// Called by the plugin to describe the viewport for accessibility support.
+IPC_MESSAGE_CONTROL1(
+    PpapiHostMsg_PDF_SetAccessibilityViewportInfo,
+    PP_PrivateAccessibilityViewportInfo /* viewport_info */)
+
+// Send information about the whole document for accessibility support.
+IPC_MESSAGE_CONTROL1(
+    PpapiHostMsg_PDF_SetAccessibilityDocInfo,
+    PP_PrivateAccessibilityDocInfo /* doc_info */)
+
+// Send information about one page for accessibility support.
+IPC_MESSAGE_CONTROL3(
+    PpapiHostMsg_PDF_SetAccessibilityPageInfo,
+    PP_PrivateAccessibilityPageInfo /* page_info */,
+    std::vector<PP_PrivateAccessibilityTextRunInfo> /* text_runs */,
+    std::vector<PP_PrivateAccessibilityCharInfo> /* chars */)
+
 // VideoCapture ----------------------------------------------------------------
 
 // 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)
 
@@ skipping 10 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)