content/renderer/pepper/pepper_file_chooser_host.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 CONTENT_RENDERER_PEPPER_PEPPER_FILE_CHOOSER_HOST_H_
   6 #define CONTENT_RENDERER_PEPPER_PEPPER_FILE_CHOOSER_HOST_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "content/common/content_export.h"
  14 #include "ppapi/host/host_message_context.h"
  15 #include "ppapi/host/resource_host.h"
  16 #include "ppapi/proxy/resource_message_params.h"
  17
  18 namespace ppapi {
  19 struct FileRefCreateInfo;
  20 }
  21
  22 namespace content {
  23
  24 class RendererPpapiHost;
  25 class RenderViewImpl;
  26
  27 class CONTENT_EXPORT PepperFileChooserHost
  28     : public ppapi::host::ResourceHost,
  29       public base::SupportsWeakPtr<PepperFileChooserHost> {
  30  public:
  31   // Structure to store the information about chosen files.
  32   struct ChosenFileInfo {
  33     ChosenFileInfo(const std::string& path, const std::string& display_name);
  34     std::string path;
  35     std::string display_name;  // May be empty.
  36   };
  37
  38   PepperFileChooserHost(RendererPpapiHost* host,
  39                         PP_Instance instance,
  40                         PP_Resource resource);
  41   ~PepperFileChooserHost() override;
  42
  43   int32_t OnResourceMessageReceived(
  44       const IPC::Message& msg,
  45       ppapi::host::HostMessageContext* context) override;
  46
  47   void StoreChosenFiles(const std::vector<ChosenFileInfo>& files);
  48
  49  private:
  50   class CompletionHandler;
  51
  52   int32_t OnShow(ppapi::host::HostMessageContext* context,
  53                  bool save_as,
  54                  bool open_multiple,
  55                  const std::string& suggested_file_name,
  56                  const std::vector<std::string>& accept_mime_types);
  57
  58   void DidCreateResourceHosts(const std::vector<base::FilePath>& file_paths,
  59                               const std::vector<std::string>& display_names,
  60                               const std::vector<int>& browser_ids);
  61
  62   // Non-owning pointer.
  63   RendererPpapiHost* renderer_ppapi_host_;
  64
  65   ppapi::host::ReplyMessageContext reply_context_;
  66   CompletionHandler* handler_;
  67
  68   base::WeakPtrFactory<PepperFileChooserHost> weak_factory_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(PepperFileChooserHost);
  71 };
  72
  73 }  // namespace content
  74
  75 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_FILE_CHOOSER_HOST_H_