Pin Chrome's shortcut to the Win10 Start menu on install and OS upgrade.
[chromium-blink-merge.git] / content / child / web_data_consumer_handle_impl.h
blob78f20f6ac4974a5d2424ddcea88dbf746166a825
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.
5 #ifndef CONTENT_CHILD_WEB_DATA_CONSUMER_HANDLE_IMPL_H_
6 #define CONTENT_CHILD_WEB_DATA_CONSUMER_HANDLE_IMPL_H_
8 #include "base/memory/scoped_ptr.h"
9 #include "content/common/content_export.h"
10 #include "mojo/common/handle_watcher.h"
11 #include "third_party/WebKit/public/platform/WebDataConsumerHandle.h"
12 #include "third_party/mojo/src/mojo/public/cpp/system/data_pipe.h"
14 namespace content {
16 class CONTENT_EXPORT WebDataConsumerHandleImpl final
17 : public NON_EXPORTED_BASE(blink::WebDataConsumerHandle) {
18 typedef mojo::ScopedDataPipeConsumerHandle Handle;
19 class Context;
21 public:
22 class CONTENT_EXPORT ReaderImpl final : public NON_EXPORTED_BASE(Reader) {
23 public:
24 ReaderImpl(scoped_refptr<Context> context, Client* client);
25 virtual ~ReaderImpl();
26 virtual Result read(void* data, size_t size, Flags flags, size_t* readSize);
27 virtual Result beginRead(const void** buffer,
28 Flags flags,
29 size_t* available);
30 virtual Result endRead(size_t readSize);
32 private:
33 Result HandleReadResult(MojoResult);
34 void StartWatching();
35 void OnHandleGotReadable(MojoResult);
37 scoped_refptr<Context> context_;
38 mojo::common::HandleWatcher handle_watcher_;
39 Client* client_;
41 scoped_ptr<Reader> ObtainReader(Client* client);
43 explicit WebDataConsumerHandleImpl(Handle handle);
44 virtual ~WebDataConsumerHandleImpl();
46 private:
47 virtual ReaderImpl* obtainReaderInternal(Client* client);
48 const char* debugName() const override;
50 scoped_refptr<Context> context_;
53 } // namespace content
55 #endif // CONTENT_CHILD_WEB_DATA_CONSUMER_HANDLE_IMPL_H_