summaryrefslogtreecommitdiff
path: root/testing/embedder_test.h
blob: 31192b34aaa21355c155198f76d748e8a3dd5beb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
// Copyright (c) 2015 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef TESTING_EMBEDDER_TEST_H_
#define TESTING_EMBEDDER_TEST_H_

#include <map>
#include <string>

#include "../public/fpdf_dataavail.h"
#include "../public/fpdf_ext.h"
#include "../public/fpdf_formfill.h"
#include "../public/fpdfview.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/base/nonstd_unique_ptr.h"

#ifdef PDF_ENABLE_V8
#include "v8/include/v8.h"
#endif  // PDF_ENABLE_v8

class TestLoader;

// This class is used to load a PDF document, and then run programatic
// API tests against it.
class EmbedderTest : public ::testing::Test,
                     public UNSUPPORT_INFO,
                     public IPDF_JSPLATFORM,
                     public FPDF_FORMFILLINFO {
 public:
  class Delegate {
   public:
    virtual ~Delegate() {}

    // Equivalent to UNSUPPORT_INFO::FSDK_UnSupport_Handler().
    virtual void UnsupportedHandler(int type) {}

    // Equivalent to IPDF_JSPLATFORM::app_alert().
    virtual int Alert(FPDF_WIDESTRING message,
                      FPDF_WIDESTRING title,
                      int type,
                      int icon) {
      return 0;
    }

    // Equivalent to FPDF_FORMFILLINFO::FFI_SetTimer().
    virtual int SetTimer(int msecs, TimerCallback fn) { return 0; }

    // Equivalent to FPDF_FORMFILLINFO::FFI_KillTimer().
    virtual void KillTimer(int id) {}

    // Equivalent to FPDF_FORMFILLINFO::FFI_GetPage().
    virtual FPDF_PAGE GetPage(FPDF_FORMHANDLE form_handle,
                              FPDF_DOCUMENT document,
                              int page_index);

   private:
    std::map<int, FPDF_PAGE> m_pageMap;
  };

  EmbedderTest();
  virtual ~EmbedderTest();

  void SetUp() override;
  void TearDown() override;

#ifdef PDF_ENABLE_V8
  // Call before SetUp to pass shared isolate, otherwise PDFium creates one.
  void SetExternalIsolate(void* isolate) {
    external_isolate_ = static_cast<v8::Isolate*>(isolate);
  }
#endif  // PDF_ENABLE_V8

  void SetDelegate(Delegate* delegate) {
    delegate_ = delegate ? delegate : default_delegate_.get();
  }

  FPDF_DOCUMENT document() { return document_; }
  FPDF_FORMHANDLE form_handle() { return form_handle_; }

  // Open the document specified by |filename|, and create its form fill
  // environment, or return false on failure.
  virtual bool OpenDocument(const std::string& filename,
                            bool must_linearize = false);

  // Perform JavaScript actions that are to run at document open time.
  virtual void DoOpenActions();

  // Determine the page numbers present in the document.
  virtual int GetFirstPageNum();
  virtual int GetPageCount();

  // Load a specific page of the open document.
  virtual FPDF_PAGE LoadPage(int page_number);

  // Load a specific page of the open document using delegate_->GetPage.
  // delegate_->GetPage also caches loaded page.
  virtual FPDF_PAGE LoadAndCachePage(int page_number);

  // Convert a loaded page into a bitmap.
  virtual FPDF_BITMAP RenderPage(FPDF_PAGE page);

  // Relese the resources obtained from LoadPage(). Further use of |page|
  // is prohibited after this call is made.
  virtual void UnloadPage(FPDF_PAGE page);

 protected:
  Delegate* delegate_;
  nonstd::unique_ptr<Delegate> default_delegate_;
  FPDF_DOCUMENT document_;
  FPDF_FORMHANDLE form_handle_;
  FPDF_AVAIL avail_;
  FX_DOWNLOADHINTS hints_;
  FPDF_FILEACCESS file_access_;
  FX_FILEAVAIL file_avail_;
#ifdef PDF_ENABLE_V8
  v8::Platform* platform_;
  v8::StartupData natives_;
  v8::StartupData snapshot_;
#endif  // PDF_ENABLE_V8
  void* external_isolate_;
  TestLoader* loader_;
  size_t file_length_;
  char* file_contents_;

 private:
  static void UnsupportedHandlerTrampoline(UNSUPPORT_INFO*, int type);
  static int AlertTrampoline(IPDF_JSPLATFORM* plaform,
                             FPDF_WIDESTRING message,
                             FPDF_WIDESTRING title,
                             int type,
                             int icon);
  static int SetTimerTrampoline(FPDF_FORMFILLINFO* info,
                                int msecs,
                                TimerCallback fn);
  static void KillTimerTrampoline(FPDF_FORMFILLINFO* info, int id);
  static FPDF_PAGE GetPageTrampoline(FPDF_FORMFILLINFO* info,
                                     FPDF_DOCUMENT document,
                                     int page_index);
};

#endif  // TESTING_EMBEDDER_TEST_H_