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 <stdint.h>
9 
10 #include "ppapi/c/dev/ppp_printing_dev.h"
11 #include "ppapi/cpp/completion_callback.h"
12 #include "ppapi/cpp/instance_handle.h"
13 #include "ppapi/cpp/resource.h"
14 
15 namespace pp {
16 
17 class Instance;
18 
19 // You would typically use this either via inheritance on your instance or
20 // by composition: see find_private.h for an example.
21 class Printing_Dev : public Resource {
22  public:
23   // The instance parameter must outlive this class.
24   explicit Printing_Dev(Instance* instance);
25   virtual ~Printing_Dev();
26 
27   // PPP_Printing_Dev functions exposed as virtual functions for you to
28   // override.
29   virtual uint32_t QuerySupportedPrintOutputFormats() = 0;
30   virtual int32_t PrintBegin(const PP_PrintSettings_Dev& print_settings) = 0;
31   virtual Resource PrintPages(const PP_PrintPageNumberRange_Dev* page_ranges,
32                               uint32_t page_range_count) = 0;
33   virtual void PrintEnd() = 0;
34   virtual bool IsPrintScalingDisabled() = 0;
35 
36   // PPB_Printing_Dev functions.
37   // Returns true if the browser supports the required PPB_Printing_Dev
38   // interface.
39   static bool IsAvailable();
40 
41   // Get the default print settings and store them in the output of |callback|.
42   int32_t GetDefaultPrintSettings(
43       const CompletionCallbackWithOutput<PP_PrintSettings_Dev>& callback) const;
44 
45  private:
46   InstanceHandle associated_instance_;
47 };
48 
49 }  // namespace pp
50 
51 #endif  // PPAPI_CPP_DEV_PRINTING_DEV_H_
52