1 // Copyright 2014 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 COMPONENT_PDF_RENDERER_PPB_PDF_IMPL_H_ 6 #define COMPONENT_PDF_RENDERER_PPB_PDF_IMPL_H_ 7 8 #include "ppapi/c/pp_instance.h" 9 10 struct PPB_PDF; 11 12 namespace pdf { 13 14 class PPB_PDF_Impl { 15 public: 16 class PrintClient { 17 public: 18 virtual ~PrintClient() {} 19 20 // Returns whether printing is enabled for the plugin instance identified by 21 // |instance_id|. 22 virtual bool IsPrintingEnabled(PP_Instance instance_id) = 0; 23 24 // Invokes the "Print" command for the plugin instance identified by 25 // |instance_id|. Returns whether the "Print" command was issued or not. 26 virtual bool Print(PP_Instance instance_id) = 0; 27 }; 28 29 // Returns a pointer to the interface implementing PPB_PDF that is exposed 30 // to the plugin. 31 static const PPB_PDF* GetInterface(); 32 33 // Invokes the "Print" command for the given instance as if the user right 34 // clicked on it and selected "Print". Returns if the "Print" command was 35 // issued or not. 36 static bool InvokePrintingForInstance(PP_Instance instance); 37 38 // The caller retains the ownership of |print_client|. The client is 39 // allowed to be set only once, and when set, the client must outlive the 40 // PPB_PDF_Impl instance. 41 static void SetPrintClient(PrintClient* print_client); 42 }; 43 44 } // namespace pdf 45 46 #endif // COMPONENT_PDF_RENDERER_PPB_PDF_IMPL_H_ 47
