ppapi/cpp/dev/printing_dev.h

   1 // Copyright (c) 2012 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 PPAPI_CPP_DEV_PRINTING_DEV_H_
   6 #define PPAPI_CPP_DEV_PRINTING_DEV_H_
   7
   8 #include "ppapi/c/dev/ppp_printing_dev.h"
   9 #include "ppapi/cpp/completion_callback.h"
  10 #include "ppapi/cpp/instance_handle.h"
  11 #include "ppapi/cpp/resource.h"
  12
  13 namespace pp {
  14
  15 class Instance;
  16
  17 // You would typically use this either via inheritance on your instance or
  18 // by composition: see find_private.h for an example.
  19 class Printing_Dev : public Resource {
  20  public:
  21   // The instance parameter must outlive this class.
  22   explicit Printing_Dev(Instance* instance);
  23   virtual ~Printing_Dev();
  24
  25   // PPP_Printing_Dev functions exposed as virtual functions for you to
  26   // override.
  27   virtual uint32_t QuerySupportedPrintOutputFormats() = 0;
  28   virtual int32_t PrintBegin(const PP_PrintSettings_Dev& print_settings) = 0;
  29   virtual Resource PrintPages(const PP_PrintPageNumberRange_Dev* page_ranges,
  30                               uint32_t page_range_count) = 0;
  31   virtual void PrintEnd() = 0;
  32   virtual bool IsPrintScalingDisabled() = 0;
  33
  34   // PPB_Printing_Dev functions.
  35   // Returns true if the browser supports the required PPB_Printing_Dev
  36   // interface.
  37   static bool IsAvailable();
  38
  39   // Get the default print settings and store them in the output of |callback|.
  40   int32_t GetDefaultPrintSettings(
  41       const CompletionCallbackWithOutput<PP_PrintSettings_Dev>& callback) const;
  42
  43  private:
  44   InstanceHandle associated_instance_;
  45 };
  46
  47 }  // namespace pp
  48
  49 #endif  // PPAPI_CPP_DEV_PRINTING_DEV_H_