Implement the host side of the PPB_PDF proxy.

chrome/renderer/pepper/pepper_pdf_host.h

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_RENDERER_PEPPER_PEPPER_PDF_HOST_H_
+#define CHROME_RENDERER_PEPPER_PEPPER_PDF_HOST_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "ppapi/c/ppb_image_data.h"
+#include "ppapi/c/private/ppb_pdf.h"
+#include "ppapi/host/resource_host.h"
+#include "ppapi/proxy/serialized_structs.h"
+
+struct PP_Size;
+class SkBitmap;
+
+namespace content {
+class RendererPpapiHost;
+}
+
+namespace ppapi {
+class HostResource;
+}
+
+namespace ppapi {
+namespace host {
+struct HostMessageContext;
+}
+}
+
+namespace chrome {
+
+class PepperPDFHost : public ppapi::host::ResourceHost {
+ public:
+  PepperPDFHost(content::RendererPpapiHost* host,
+                PP_Instance instance,
+                PP_Resource resource);
+  virtual ~PepperPDFHost();
+
+  virtual int32_t OnResourceMessageReceived(
+      const IPC::Message& msg,
+      ppapi::host::HostMessageContext* context) OVERRIDE;
+
+ private:
+  int32_t OnHostMsgGetLocalizedString(ppapi::host::HostMessageContext* context,
+                                      PP_ResourceString string_id);
+  int32_t OnHostMsgDidStartLoading(ppapi::host::HostMessageContext* context);
+  int32_t OnHostMsgDidStopLoading(ppapi::host::HostMessageContext* context);
+  int32_t OnHostMsgSetContentRestriction(
+      ppapi::host::HostMessageContext* context,
+      int restrictions);
+  int32_t OnHostMsgUserMetricsRecordAction(
+      ppapi::host::HostMessageContext* context,
+      const std::string& action);
+  int32_t OnHostMsgHasUnsupportedFeature(
+      ppapi::host::HostMessageContext* context);
+  int32_t OnHostMsgPrint(ppapi::host::HostMessageContext* context);
+  int32_t OnHostMsgSaveAs(ppapi::host::HostMessageContext* context);
+  int32_t OnHostMsgGetResourceImage(ppapi::host::HostMessageContext* context,
+                                    PP_ResourceImage image_id,
+                                    float scale);
+
+  bool CreateImageData(PP_Instance instance,
+                       PP_ImageDataFormat format,
+                       const PP_Size& size,
+                       const SkBitmap& pixels_to_write,
+                       ppapi::HostResource* result,
+                       std::string* out_image_data_desc,
+                       ppapi::proxy::ImageHandle* out_image_handle,
+                       uint32_t* out_byte_count);
+
+  content::RendererPpapiHost* host_;
+
+  DISALLOW_COPY_AND_ASSIGN(PepperPDFHost);
+};
+
+}  // namespace chrome
+
+#endif  // CHROME_RENDERER_PEPPER_PEPPER_PDF_HOST_H_