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      1 // Copyright (c) 2013 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 CHROME_RENDERER_PEPPER_PEPPER_PDF_HOST_H_
      6 #define CHROME_RENDERER_PEPPER_PEPPER_PDF_HOST_H_
      7 
      8 #include <string>
      9 
     10 #include "base/basictypes.h"
     11 #include "base/compiler_specific.h"
     12 #include "base/strings/string16.h"
     13 #include "ipc/ipc_platform_file.h"
     14 #include "ppapi/c/ppb_image_data.h"
     15 #include "ppapi/c/private/ppb_pdf.h"
     16 #include "ppapi/host/resource_host.h"
     17 #include "ppapi/proxy/serialized_structs.h"
     18 
     19 struct PP_ImageDataDesc;
     20 struct PP_Size;
     21 class SkBitmap;
     22 
     23 namespace content {
     24 class RendererPpapiHost;
     25 }
     26 
     27 namespace ppapi {
     28 class HostResource;
     29 }
     30 
     31 namespace ppapi {
     32 namespace host {
     33 struct HostMessageContext;
     34 }
     35 }
     36 
     37 class PepperPDFHost : public ppapi::host::ResourceHost {
     38  public:
     39   PepperPDFHost(content::RendererPpapiHost* host,
     40                 PP_Instance instance,
     41                 PP_Resource resource);
     42   virtual ~PepperPDFHost();
     43 
     44   virtual int32_t OnResourceMessageReceived(
     45       const IPC::Message& msg,
     46       ppapi::host::HostMessageContext* context) OVERRIDE;
     47 
     48  private:
     49   int32_t OnHostMsgGetLocalizedString(ppapi::host::HostMessageContext* context,
     50                                       PP_ResourceString string_id);
     51   int32_t OnHostMsgDidStartLoading(ppapi::host::HostMessageContext* context);
     52   int32_t OnHostMsgDidStopLoading(ppapi::host::HostMessageContext* context);
     53   int32_t OnHostMsgSetContentRestriction(
     54       ppapi::host::HostMessageContext* context,
     55       int restrictions);
     56   int32_t OnHostMsgUserMetricsRecordAction(
     57       ppapi::host::HostMessageContext* context,
     58       const std::string& action);
     59   int32_t OnHostMsgHasUnsupportedFeature(
     60       ppapi::host::HostMessageContext* context);
     61   int32_t OnHostMsgPrint(ppapi::host::HostMessageContext* context);
     62   int32_t OnHostMsgSaveAs(ppapi::host::HostMessageContext* context);
     63   int32_t OnHostMsgGetResourceImage(ppapi::host::HostMessageContext* context,
     64                                     PP_ResourceImage image_id,
     65                                     float scale);
     66   int32_t OnHostMsgSetSelectedText(ppapi::host::HostMessageContext* context,
     67                                    const base::string16& selected_text);
     68   int32_t OnHostMsgSetLinkUnderCursor(ppapi::host::HostMessageContext* context,
     69                                       const std::string& url);
     70 
     71   bool CreateImageData(PP_Instance instance,
     72                        PP_ImageDataFormat format,
     73                        const PP_Size& size,
     74                        const SkBitmap& pixels_to_write,
     75                        ppapi::HostResource* result,
     76                        PP_ImageDataDesc* out_image_data_desc,
     77                        IPC::PlatformFileForTransit* out_image_handle,
     78                        uint32_t* out_byte_count);
     79 
     80   content::RendererPpapiHost* host_;
     81 
     82   DISALLOW_COPY_AND_ASSIGN(PepperPDFHost);
     83 };
     84 
     85 #endif  // CHROME_RENDERER_PEPPER_PEPPER_PDF_HOST_H_
     86