src/ppapi/thunk/ppb_pdf_thunk.cc

   1 // Copyright (c) 2013 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 #include "base/logging.h"
   6 #include "ppapi/c/pp_errors.h"
   7 #include "ppapi/c/private/ppb_pdf.h"
   8 #include "ppapi/thunk/enter.h"
   9 #include "ppapi/thunk/ppb_flash_font_file_api.h"
  10 #include "ppapi/thunk/ppb_pdf_api.h"
  11 #include "ppapi/thunk/resource_creation_api.h"
  12 #include "ppapi/thunk/thunk.h"
  13
  14 namespace ppapi {
  15 namespace thunk {
  16
  17 namespace {
  18
  19 PP_Var GetLocalizedString(PP_Instance instance, PP_ResourceString string_id) {
  20   EnterInstanceAPI<PPB_PDF_API> enter(instance);
  21   if (enter.failed())
  22     return PP_MakeUndefined();
  23   return enter.functions()->GetLocalizedString(string_id);
  24 }
  25
  26 PP_Resource GetResourceImage(PP_Instance instance,
  27                              PP_ResourceImage image_id) {
  28   EnterInstanceAPI<PPB_PDF_API> enter(instance);
  29   if (enter.failed())
  30     return 0;
  31   return enter.functions()->GetResourceImage(image_id);
  32 }
  33
  34 PP_Resource GetFontFileWithFallback(
  35     PP_Instance instance,
  36     const PP_BrowserFont_Trusted_Description* description,
  37     PP_PrivateFontCharset charset) {
  38   // TODO(raymes): Eventually we should replace the use of this function with
  39   // either PPB_Flash_Font_File or PPB_TrueType_Font directly in the PDF code.
  40   // For now just call into PPB_Flash_Font_File which has the exact same API.
  41   EnterResourceCreation enter(instance);
  42   if (enter.failed())
  43     return 0;
  44   return enter.functions()->CreateFlashFontFile(instance, description, charset);
  45 }
  46
  47 bool GetFontTableForPrivateFontFile(PP_Resource font_file,
  48                                     uint32_t table,
  49                                     void* output,
  50                                     uint32_t* output_length) {
  51   // TODO(raymes): Eventually we should replace the use of this function with
  52   // either PPB_Flash_Font_File or PPB_TrueType_Font directly in the PDF code.
  53   // For now just call into PPB_Flash_Font_File which has the exact same API.
  54   EnterResource<PPB_Flash_FontFile_API> enter(font_file, true);
  55   if (enter.failed())
  56     return PP_FALSE;
  57   return PP_ToBool(enter.object()->GetFontTable(table, output, output_length));
  58 }
  59
  60 void SearchString(PP_Instance instance,
  61                   const unsigned short* string,
  62                   const unsigned short* term,
  63                   bool case_sensitive,
  64                   PP_PrivateFindResult** results,
  65                   int* count) {
  66   EnterInstanceAPI<PPB_PDF_API> enter(instance);
  67   if (enter.failed())
  68     return;
  69   enter.functions()->SearchString(string, term, case_sensitive, results, count);
  70 }
  71
  72 void DidStartLoading(PP_Instance instance) {
  73   EnterInstanceAPI<PPB_PDF_API> enter(instance);
  74   if (enter.succeeded())
  75     enter.functions()->DidStartLoading();
  76 }
  77
  78 void DidStopLoading(PP_Instance instance) {
  79   EnterInstanceAPI<PPB_PDF_API> enter(instance);
  80   if (enter.succeeded())
  81     enter.functions()->DidStopLoading();
  82 }
  83
  84 void SetContentRestriction(PP_Instance instance, int restrictions) {
  85   EnterInstanceAPI<PPB_PDF_API> enter(instance);
  86   if (enter.succeeded())
  87     enter.functions()->SetContentRestriction(restrictions);
  88 }
  89
  90 void HistogramPDFPageCount(PP_Instance instance, int count) {
  91   EnterInstanceAPI<PPB_PDF_API> enter(instance);
  92   if (enter.succeeded())
  93     enter.functions()->HistogramPDFPageCount(count);
  94 }
  95
  96 void UserMetricsRecordAction(PP_Instance instance, PP_Var action) {
  97   EnterInstanceAPI<PPB_PDF_API> enter(instance);
  98   if (enter.succeeded())
  99     enter.functions()->UserMetricsRecordAction(action);
 100 }
 101
 102 void HasUnsupportedFeature(PP_Instance instance) {
 103   EnterInstanceAPI<PPB_PDF_API> enter(instance);
 104   if (enter.succeeded())
 105     enter.functions()->HasUnsupportedFeature();
 106 }
 107
 108 void SaveAs(PP_Instance instance) {
 109   EnterInstanceAPI<PPB_PDF_API> enter(instance);
 110   if (enter.succeeded())
 111     enter.functions()->SaveAs();
 112 }
 113
 114 void Print(PP_Instance instance) {
 115   EnterInstanceAPI<PPB_PDF_API> enter(instance);
 116   if (enter.succeeded())
 117     enter.functions()->Print();
 118 }
 119
 120 PP_Bool IsFeatureEnabled(PP_Instance instance, PP_PDFFeature feature) {
 121   EnterInstanceAPI<PPB_PDF_API> enter(instance);
 122   if (enter.failed())
 123     return PP_FALSE;
 124   return enter.functions()->IsFeatureEnabled(feature);
 125 }
 126
 127 PP_Resource GetResourceImageForScale(PP_Instance instance,
 128                                      PP_ResourceImage image_id,
 129                                      float scale) {
 130   EnterInstanceAPI<PPB_PDF_API> enter(instance);
 131   if (enter.failed())
 132     return 0;
 133   return enter.functions()->GetResourceImageForScale(image_id, scale);
 134 }
 135
 136 PP_Var ModalPromptForPassword(PP_Instance instance_id,
 137                               PP_Var message) {
 138   // TODO(raymes): Implement or remove this function.
 139   NOTIMPLEMENTED();
 140   return PP_MakeUndefined();
 141 }
 142
 143 PP_Bool IsOutOfProcess(PP_Instance instance) {
 144   EnterInstanceAPI<PPB_PDF_API> enter(instance);
 145   if (enter.failed())
 146     return PP_FALSE;
 147   return enter.functions()->IsOutOfProcess();
 148 }
 149
 150 void SetSelectedText(PP_Instance instance,
 151                      const char* selected_text) {
 152   EnterInstanceAPI<PPB_PDF_API> enter(instance);
 153   if (enter.succeeded())
 154     enter.functions()->SetSelectedText(selected_text);
 155 }
 156
 157 void SetLinkUnderCursor(PP_Instance instance, const char* url) {
 158   EnterInstanceAPI<PPB_PDF_API> enter(instance);
 159   if (enter.failed())
 160     return;
 161   enter.functions()->SetLinkUnderCursor(url);
 162 }
 163
 164 const PPB_PDF g_ppb_pdf_thunk = {
 165   &GetLocalizedString,
 166   &GetResourceImage,
 167   &GetFontFileWithFallback,
 168   &GetFontTableForPrivateFontFile,
 169   &SearchString,
 170   &DidStartLoading,
 171   &DidStopLoading,
 172   &SetContentRestriction,
 173   &HistogramPDFPageCount,
 174   &UserMetricsRecordAction,
 175   &HasUnsupportedFeature,
 176   &SaveAs,
 177   &Print,
 178   &IsFeatureEnabled,
 179   &GetResourceImageForScale,
 180   &ModalPromptForPassword,
 181   &IsOutOfProcess,
 182   &SetSelectedText,
 183   &SetLinkUnderCursor,
 184 };
 185
 186 }  // namespace
 187
 188 const PPB_PDF* GetPPB_PDF_Thunk() {
 189   return &g_ppb_pdf_thunk;
 190 }
 191
 192 }  // namespace thunk
 193 }  // namespace ppapi