components/pdf/renderer/pepper_pdf_host.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_
   6 #define COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "base/strings/string16.h"
  13 #include "ipc/ipc_platform_file.h"
  14 #include "ppapi/c/ppb_image_data.h"
  15 #include "ppapi/c/private/ppb_pdf.h"
  16 #include "ppapi/host/resource_host.h"
  17 #include "ppapi/proxy/serialized_structs.h"
  18
  19 struct PP_ImageDataDesc;
  20 struct PP_Size;
  21 class SkBitmap;
  22
  23 namespace content {
  24 class RendererPpapiHost;
  25 }
  26
  27 namespace ppapi {
  28 class HostResource;
  29 }
  30
  31 namespace ppapi {
  32 namespace host {
  33 struct HostMessageContext;
  34 }
  35 }
  36
  37 namespace pdf {
  38
  39 class PepperPDFHost : public ppapi::host::ResourceHost {
  40  public:
  41   PepperPDFHost(content::RendererPpapiHost* host,
  42                 PP_Instance instance,
  43                 PP_Resource resource);
  44   ~PepperPDFHost() override;
  45
  46   int32_t OnResourceMessageReceived(
  47       const IPC::Message& msg,
  48       ppapi::host::HostMessageContext* context) override;
  49
  50  private:
  51   int32_t OnHostMsgGetLocalizedString(ppapi::host::HostMessageContext* context,
  52                                       PP_ResourceString string_id);
  53   int32_t OnHostMsgDidStartLoading(ppapi::host::HostMessageContext* context);
  54   int32_t OnHostMsgDidStopLoading(ppapi::host::HostMessageContext* context);
  55   int32_t OnHostMsgSetContentRestriction(
  56       ppapi::host::HostMessageContext* context,
  57       int restrictions);
  58   int32_t OnHostMsgUserMetricsRecordAction(
  59       ppapi::host::HostMessageContext* context,
  60       const std::string& action);
  61   int32_t OnHostMsgHasUnsupportedFeature(
  62       ppapi::host::HostMessageContext* context);
  63   int32_t OnHostMsgPrint(ppapi::host::HostMessageContext* context);
  64   int32_t OnHostMsgSaveAs(ppapi::host::HostMessageContext* context);
  65   int32_t OnHostMsgGetResourceImage(ppapi::host::HostMessageContext* context,
  66                                     PP_ResourceImage image_id,
  67                                     float scale);
  68   int32_t OnHostMsgSetSelectedText(ppapi::host::HostMessageContext* context,
  69                                    const base::string16& selected_text);
  70   int32_t OnHostMsgSetLinkUnderCursor(ppapi::host::HostMessageContext* context,
  71                                       const std::string& url);
  72
  73   bool CreateImageData(PP_Instance instance,
  74                        PP_ImageDataFormat format,
  75                        const PP_Size& size,
  76                        const SkBitmap& pixels_to_write,
  77                        ppapi::HostResource* result,
  78                        PP_ImageDataDesc* out_image_data_desc,
  79                        IPC::PlatformFileForTransit* out_image_handle,
  80                        uint32_t* out_byte_count);
  81
  82   content::RendererPpapiHost* host_;
  83
  84   DISALLOW_COPY_AND_ASSIGN(PepperPDFHost);
  85 };
  86
  87 }  // namespace pdf
  88
  89 #endif  // COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_