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      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   virtual ~PepperFileChooserHost();
     42 
     43   virtual 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_
     76