root/ppapi/thunk/ppb_pdf_thunk.cc

DEFINITIONS

1. GetLocalizedString
2. GetResourceImage
3. GetFontFileWithFallback
4. GetFontTableForPrivateFontFile
5. SearchString
6. DidStartLoading
7. DidStopLoading
8. SetContentRestriction
9. HistogramPDFPageCount
10. UserMetricsRecordAction
11. HasUnsupportedFeature
12. SaveAs
13. Print
14. IsFeatureEnabled
15. GetResourceImageForScale
16. ModalPromptForPassword
17. IsOutOfProcess
18. SetSelectedText
19. SetLinkUnderCursor
20. GetPPB_PDF_Thunk

// Copyright (c) 2013 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.

#include "base/logging.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/private/ppb_pdf.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_flash_font_file_api.h"
#include "ppapi/thunk/ppb_pdf_api.h"
#include "ppapi/thunk/resource_creation_api.h"
#include "ppapi/thunk/thunk.h"

namespace ppapi {
namespace thunk {

namespace {

PP_Var GetLocalizedString(PP_Instance instance, PP_ResourceString string_id) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.failed())
    return PP_MakeUndefined();
  return enter.functions()->GetLocalizedString(string_id);
}

PP_Resource GetResourceImage(PP_Instance instance,
                             PP_ResourceImage image_id) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.failed())
    return 0;
  return enter.functions()->GetResourceImage(image_id);
}

PP_Resource GetFontFileWithFallback(
    PP_Instance instance,
    const PP_BrowserFont_Trusted_Description* description,
    PP_PrivateFontCharset charset) {
  // TODO(raymes): Eventually we should replace the use of this function with
  // either PPB_Flash_Font_File or PPB_TrueType_Font directly in the PDF code.
  // For now just call into PPB_Flash_Font_File which has the exact same API.
  EnterResourceCreation enter(instance);
  if (enter.failed())
    return 0;
  return enter.functions()->CreateFlashFontFile(instance, description, charset);
}

bool GetFontTableForPrivateFontFile(PP_Resource font_file,
                                    uint32_t table,
                                    void* output,
                                    uint32_t* output_length) {
  // TODO(raymes): Eventually we should replace the use of this function with
  // either PPB_Flash_Font_File or PPB_TrueType_Font directly in the PDF code.
  // For now just call into PPB_Flash_Font_File which has the exact same API.
  EnterResource<PPB_Flash_FontFile_API> enter(font_file, true);
  if (enter.failed())
    return PP_FALSE;
  return PP_ToBool(enter.object()->GetFontTable(table, output, output_length));
}

void SearchString(PP_Instance instance,
                  const unsigned short* string,
                  const unsigned short* term,
                  bool case_sensitive,
                  PP_PrivateFindResult** results,
                  int* count) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.failed())
    return;
  enter.functions()->SearchString(string, term, case_sensitive, results, count);
}

void DidStartLoading(PP_Instance instance) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.succeeded())
    enter.functions()->DidStartLoading();
}

void DidStopLoading(PP_Instance instance) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.succeeded())
    enter.functions()->DidStopLoading();
}

void SetContentRestriction(PP_Instance instance, int restrictions) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.succeeded())
    enter.functions()->SetContentRestriction(restrictions);
}

void HistogramPDFPageCount(PP_Instance instance, int count) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.succeeded())
    enter.functions()->HistogramPDFPageCount(count);
}

void UserMetricsRecordAction(PP_Instance instance, PP_Var action) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.succeeded())
    enter.functions()->UserMetricsRecordAction(action);
}

void HasUnsupportedFeature(PP_Instance instance) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.succeeded())
    enter.functions()->HasUnsupportedFeature();
}

void SaveAs(PP_Instance instance) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.succeeded())
    enter.functions()->SaveAs();
}

void Print(PP_Instance instance) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.succeeded())
    enter.functions()->Print();
}

PP_Bool IsFeatureEnabled(PP_Instance instance, PP_PDFFeature feature) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.failed())
    return PP_FALSE;
  return enter.functions()->IsFeatureEnabled(feature);
}

PP_Resource GetResourceImageForScale(PP_Instance instance,
                                     PP_ResourceImage image_id,
                                     float scale) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.failed())
    return 0;
  return enter.functions()->GetResourceImageForScale(image_id, scale);
}

PP_Var ModalPromptForPassword(PP_Instance instance_id,
                              PP_Var message) {
  // TODO(raymes): Implement or remove this function.
  NOTIMPLEMENTED();
  return PP_MakeUndefined();
}

PP_Bool IsOutOfProcess(PP_Instance instance) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.failed())
    return PP_FALSE;
  return enter.functions()->IsOutOfProcess();
}

void SetSelectedText(PP_Instance instance,
                     const char* selected_text) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.succeeded())
    enter.functions()->SetSelectedText(selected_text);
}

void SetLinkUnderCursor(PP_Instance instance, const char* url) {
  EnterInstanceAPI<PPB_PDF_API> enter(instance);
  if (enter.failed())
    return;
  enter.functions()->SetLinkUnderCursor(url);
}

const PPB_PDF g_ppb_pdf_thunk = {
  &GetLocalizedString,
  &GetResourceImage,
  &GetFontFileWithFallback,
  &GetFontTableForPrivateFontFile,
  &SearchString,
  &DidStartLoading,
  &DidStopLoading,
  &SetContentRestriction,
  &HistogramPDFPageCount,
  &UserMetricsRecordAction,
  &HasUnsupportedFeature,
  &SaveAs,
  &Print,
  &IsFeatureEnabled,
  &GetResourceImageForScale,
  &ModalPromptForPassword,
  &IsOutOfProcess,
  &SetSelectedText,
  &SetLinkUnderCursor,
};

}  // namespace

const PPB_PDF* GetPPB_PDF_Thunk() {
  return &g_ppb_pdf_thunk;
}

}  // namespace thunk
}  // namespace ppapi