components/printing/test/print_mock_render_thread.h

   1 // Copyright (c) 2011 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_PRINTING_TEST_PRINT_MOCK_RENDER_THREAD_H_
   6 #define COMPONENTS_PRINTING_TEST_PRINT_MOCK_RENDER_THREAD_H_
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "content/public/test/mock_render_thread.h"
  12
  13 namespace base {
  14 class DictionaryValue;
  15 }
  16
  17 class MockPrinter;
  18 struct PrintHostMsg_DidGetPreviewPageCount_Params;
  19 struct PrintHostMsg_DidPreviewPage_Params;
  20 struct PrintHostMsg_DidPrintPage_Params;
  21 struct PrintHostMsg_ScriptedPrint_Params;
  22 struct PrintMsg_PrintPages_Params;
  23 struct PrintMsg_Print_Params;
  24
  25 // Extends content::MockRenderThread to know about printing
  26 class PrintMockRenderThread : public content::MockRenderThread {
  27  public:
  28   PrintMockRenderThread();
  29   ~PrintMockRenderThread() override;
  30
  31   // content::RenderThread overrides.
  32   scoped_refptr<base::MessageLoopProxy> GetIOMessageLoopProxy() override;
  33
  34   //////////////////////////////////////////////////////////////////////////
  35   // The following functions are called by the test itself.
  36
  37   // Set IO message loop proxy.
  38   void set_io_message_loop_proxy(
  39       const scoped_refptr<base::MessageLoopProxy>& proxy);
  40
  41 #if defined(ENABLE_PRINTING)
  42   // Returns the pseudo-printer instance.
  43   MockPrinter* printer();
  44
  45   // Call with |response| set to true if the user wants to print.
  46   // False if the user decides to cancel.
  47   void set_print_dialog_user_response(bool response);
  48
  49   // Cancel print preview when print preview has |page| remaining pages.
  50   void set_print_preview_cancel_page_number(int page);
  51
  52   // Get the number of pages to generate for print preview.
  53   int print_preview_pages_remaining() const;
  54 #endif
  55
  56  private:
  57   // Overrides base class implementation to add custom handling for print
  58   bool OnMessageReceived(const IPC::Message& msg) override;
  59
  60 #if defined(ENABLE_PRINTING)
  61 #if defined(OS_CHROMEOS) || defined(OS_ANDROID)
  62   void OnAllocateTempFileForPrinting(int render_view_id,
  63                                      base::FileDescriptor* renderer_fd,
  64                                      int* browser_fd);
  65   void OnTempFileForPrintingWritten(int render_view_id, int browser_fd);
  66 #endif
  67
  68   // PrintWebViewHelper expects default print settings.
  69   void OnGetDefaultPrintSettings(PrintMsg_Print_Params* setting);
  70
  71   // PrintWebViewHelper expects final print settings from the user.
  72   void OnScriptedPrint(const PrintHostMsg_ScriptedPrint_Params& params,
  73                        PrintMsg_PrintPages_Params* settings);
  74
  75   void OnDidGetPrintedPagesCount(int cookie, int number_pages);
  76   void OnDidPrintPage(const PrintHostMsg_DidPrintPage_Params& params);
  77   void OnDidGetPreviewPageCount(
  78       const PrintHostMsg_DidGetPreviewPageCount_Params& params);
  79   void OnDidPreviewPage(const PrintHostMsg_DidPreviewPage_Params& params);
  80   void OnCheckForCancel(int32 preview_ui_id,
  81                         int preview_request_id,
  82                         bool* cancel);
  83
  84   // For print preview, PrintWebViewHelper will update settings.
  85   void OnUpdatePrintSettings(int document_cookie,
  86                              const base::DictionaryValue& job_settings,
  87                              PrintMsg_PrintPages_Params* params,
  88                              bool* canceled);
  89
  90   // A mock printer device used for printing tests.
  91   scoped_ptr<MockPrinter> printer_;
  92
  93   // True to simulate user clicking print. False to cancel.
  94   bool print_dialog_user_response_;
  95
  96   // Simulates cancelling print preview if |print_preview_pages_remaining_|
  97   // equals this.
  98   int print_preview_cancel_page_number_;
  99
 100   // Number of pages to generate for print preview.
 101   int print_preview_pages_remaining_;
 102 #endif
 103
 104   scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy_;
 105
 106   DISALLOW_COPY_AND_ASSIGN(PrintMockRenderThread);
 107 };
 108
 109 #endif  // COMPONENTS_PRINTING_TEST_PRINT_MOCK_RENDER_THREAD_H_