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| 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. | |
| 4 | |
| 5 #include "extensions/renderer/guest_view/mime_handler_view_container.h" | |
| 6 | |
| 7 #include "content/public/renderer/render_frame.h" | |
| 8 #include "extensions/common/extension_messages.h" | |
| 9 #include "extensions/common/guest_view/guest_view_constants.h" | |
| 10 #include "third_party/WebKit/public/web/WebDocument.h" | |
| 11 #include "third_party/WebKit/public/web/WebLocalFrame.h" | |
| 12 | |
| 13 namespace extensions { | |
| 14 | |
| 15 MimeHandlerViewContainer::MimeHandlerViewContainer( | |
| 16 content::RenderFrame* render_frame, | |
| 17 const std::string& mime_type, | |
| 18 const GURL& original_url) | |
| 19 : GuestViewContainer(render_frame), | |
| 20 mime_type_(mime_type), | |
| 21 original_url_(original_url) { | |
| 22 DCHECK(!mime_type_.empty()); | |
| 23 is_embedded_ = !render_frame->GetWebFrame()->document().isPluginDocument(); | |
| 24 } | |
| 25 | |
| 26 MimeHandlerViewContainer::~MimeHandlerViewContainer() { | |
| 27 if (loader_) | |
| 28 loader_->cancel(); | |
| 29 } | |
| 30 | |
| 31 void MimeHandlerViewContainer::DidFinishLoading() { | |
| 32 DCHECK(!is_embedded_); | |
| 33 CreateMimeHandlerViewGuest(); | |
| 34 } | |
| 35 | |
| 36 void MimeHandlerViewContainer::DidReceiveData(const char* data, | |
| 37 int data_length) { | |
| 38 html_string_ += std::string(data, data_length); | |
| 39 } | |
| 40 | |
| 41 void MimeHandlerViewContainer::Ready() { | |
| 42 blink::WebFrame* frame = render_frame()->GetWebFrame(); | |
| 43 blink::WebURLLoaderOptions options; | |
| 44 // The embedded plugin is allowed to be cross-origin. | |
| 45 options.crossOriginRequestPolicy = | |
| 46 blink::WebURLLoaderOptions::CrossOriginRequestPolicyAllow; | |
| 47 DCHECK(!loader_); | |
| 48 loader_.reset(frame->createAssociatedURLLoader()); | |
| 49 | |
| 50 // TODO(raymes): Currently this URL request won't be correctly intercepted as | |
| 51 // a stream. | |
| 52 loader_->loadAsynchronously(blink::WebURLRequest(original_url_), this); | |
| 53 } | |
| 54 | |
| 55 bool MimeHandlerViewContainer::HandlesMessage(const IPC::Message& message) { | |
| 56 return message.type() == ExtensionMsg_CreateMimeHandlerViewGuestACK::ID; | |
| 57 } | |
| 58 | |
| 59 bool MimeHandlerViewContainer::OnMessage(const IPC::Message& message) { | |
| 60 bool handled = true; | |
| 61 IPC_BEGIN_MESSAGE_MAP(MimeHandlerViewContainer, message) | |
| 62 IPC_MESSAGE_HANDLER(ExtensionMsg_CreateMimeHandlerViewGuestACK, | |
| 63 OnCreateMimeHandlerViewGuestACK) | |
| 64 IPC_MESSAGE_UNHANDLED(handled = false) | |
| 65 IPC_END_MESSAGE_MAP() | |
| 66 return handled; | |
| 67 } | |
| 68 | |
| 69 void MimeHandlerViewContainer::didReceiveData(blink::WebURLLoader* /* unused */, | |
| 70 const char* data, | |
| 71 int data_length, | |
| 72 int /* unused */) { | |
| 73 html_string_ += std::string(data, data_length); | |
| 74 } | |
| 75 | |
| 76 void MimeHandlerViewContainer::didFinishLoading( | |
| 77 blink::WebURLLoader* /* unused */, | |
| 78 double /* unused */, | |
| 79 int64_t /* unused */) { | |
| 80 DCHECK(is_embedded_); | |
| 81 CreateMimeHandlerViewGuest(); | |
| 82 } | |
| 83 | |
| 84 void MimeHandlerViewContainer::OnCreateMimeHandlerViewGuestACK( | |
| 85 int element_instance_id) { | |
| 86 DCHECK_NE(this->element_instance_id(), guestview::kInstanceIDNone); | |
| 87 DCHECK_EQ(this->element_instance_id(), element_instance_id); | |
| 88 render_frame()->AttachGuest(element_instance_id); | |
| 89 } | |
| 90 | |
| 91 void MimeHandlerViewContainer::CreateMimeHandlerViewGuest() { | |
| 92 // The loader has completed loading |html_string_| so we can dispose it. | |
| 93 loader_.reset(); | |
| 94 | |
| 95 // Parse the stream URL to ensure it's valid. | |
| 96 GURL stream_url(html_string_); | |
| 97 | |
| 98 DCHECK_NE(element_instance_id(), guestview::kInstanceIDNone); | |
| 99 render_frame()->Send(new ExtensionHostMsg_CreateMimeHandlerViewGuest( | |
| 100 routing_id(), stream_url.spec(), mime_type_, element_instance_id())); | |
| 101 } | |
| 102 | |
| 103 } // namespace extensions | |
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