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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // The intent of this file is to provide a type-neutral abstraction between | 5 // The intent of this file is to provide a type-neutral abstraction between |
6 // Chrome and WebKit for resource loading. This pure-virtual interface is | 6 // Chrome and WebKit for resource loading. This pure-virtual interface is |
7 // implemented by the embedder. | 7 // implemented by the embedder. |
8 // | 8 // |
9 // One of these objects will be created by WebKit for each request. WebKit | 9 // One of these objects will be created by WebKit for each request. WebKit |
10 // will own the pointer to the bridge, and will delete it when the request is | 10 // will own the pointer to the bridge, and will delete it when the request is |
11 // no longer needed. | 11 // no longer needed. |
12 // | 12 // |
13 // In turn, the bridge's owner on the WebKit end will implement the | 13 // In turn, the bridge's owner on the WebKit end will implement the |
14 // RequestPeer interface, which we will use to communicate notifications | 14 // RequestPeer interface, which we will use to communicate notifications |
15 // back. | 15 // back. |
16 | 16 |
17 #ifndef WEBKIT_CHILD_RESOURCE_LOADER_BRIDGE_H_ | 17 #ifndef WEBKIT_CHILD_RESOURCE_LOADER_BRIDGE_H_ |
18 #define WEBKIT_CHILD_RESOURCE_LOADER_BRIDGE_H_ | 18 #define WEBKIT_CHILD_RESOURCE_LOADER_BRIDGE_H_ |
19 | 19 |
20 #include "base/macros.h" | 20 #include "base/macros.h" |
21 #include "net/base/request_priority.h" | 21 #include "net/base/request_priority.h" |
22 #include "webkit/child/webkit_child_export.h" | 22 #include "webkit/child/webkit_child_export.h" |
23 | 23 |
24 namespace blink { | |
25 class WebThreadedDataReceiver; | |
26 } | |
27 | |
28 // TODO(pilgrim) remove this once resource loader is moved to content | 24 // TODO(pilgrim) remove this once resource loader is moved to content |
29 // http://crbug.com/338338 | 25 // http://crbug.com/338338 |
30 namespace content { | 26 namespace content { |
31 class RequestPeer; | 27 class RequestPeer; |
32 class ResourceRequestBody; | 28 class ResourceRequestBody; |
33 struct SyncLoadResponse; | 29 struct SyncLoadResponse; |
34 } | 30 } |
35 | 31 |
36 namespace webkit_glue { | 32 namespace webkit_glue { |
37 | 33 |
(...skipping 20 matching lines...) Expand all Loading... |
58 // Call this method to suspend or resume a load that is in progress. This | 54 // Call this method to suspend or resume a load that is in progress. This |
59 // method may only be called after a successful call to the Start method. | 55 // method may only be called after a successful call to the Start method. |
60 virtual void SetDefersLoading(bool value) = 0; | 56 virtual void SetDefersLoading(bool value) = 0; |
61 | 57 |
62 // Call this method when the priority of the requested resource changes after | 58 // Call this method when the priority of the requested resource changes after |
63 // Start() has been called. This method may only be called after a successful | 59 // Start() has been called. This method may only be called after a successful |
64 // call to the Start method. | 60 // call to the Start method. |
65 virtual void DidChangePriority(net::RequestPriority new_priority, | 61 virtual void DidChangePriority(net::RequestPriority new_priority, |
66 int intra_priority_value) = 0; | 62 int intra_priority_value) = 0; |
67 | 63 |
68 // Call this method to attach a data receiver which will receive resource data | |
69 // on its own thread. | |
70 virtual bool AttachThreadedDataReceiver( | |
71 blink::WebThreadedDataReceiver* threaded_data_receiver) = 0; | |
72 | |
73 // Call this method to load the resource synchronously (i.e., in one shot). | 64 // Call this method to load the resource synchronously (i.e., in one shot). |
74 // This is an alternative to the Start method. Be warned that this method | 65 // This is an alternative to the Start method. Be warned that this method |
75 // will block the calling thread until the resource is fully downloaded or an | 66 // will block the calling thread until the resource is fully downloaded or an |
76 // error occurs. It could block the calling thread for a long time, so only | 67 // error occurs. It could block the calling thread for a long time, so only |
77 // use this if you really need it! There is also no way for the caller to | 68 // use this if you really need it! There is also no way for the caller to |
78 // interrupt this method. Errors are reported via the status field of the | 69 // interrupt this method. Errors are reported via the status field of the |
79 // response parameter. | 70 // response parameter. |
80 virtual void SyncLoad(content::SyncLoadResponse* response) = 0; | 71 virtual void SyncLoad(content::SyncLoadResponse* response) = 0; |
81 | 72 |
82 protected: | 73 protected: |
83 // Construction must go through | 74 // Construction must go through |
84 // WebKitPlatformSupportImpl::CreateResourceLoader() | 75 // WebKitPlatformSupportImpl::CreateResourceLoader() |
85 // For HTTP(S) POST requests, the AppendDataToUpload and AppendFileToUpload | 76 // For HTTP(S) POST requests, the AppendDataToUpload and AppendFileToUpload |
86 // methods may be called to construct the body of the request. | 77 // methods may be called to construct the body of the request. |
87 WEBKIT_CHILD_EXPORT ResourceLoaderBridge(); | 78 WEBKIT_CHILD_EXPORT ResourceLoaderBridge(); |
88 | 79 |
89 private: | 80 private: |
90 DISALLOW_COPY_AND_ASSIGN(ResourceLoaderBridge); | 81 DISALLOW_COPY_AND_ASSIGN(ResourceLoaderBridge); |
91 }; | 82 }; |
92 | 83 |
93 } // namespace webkit_glue | 84 } // namespace webkit_glue |
94 | 85 |
95 #endif // WEBKIT_CHILD_RESOURCE_LOADER_BRIDGE_H_ | 86 #endif // WEBKIT_CHILD_RESOURCE_LOADER_BRIDGE_H_ |
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