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request for pdf resource from the webui

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This commit is contained in:
deepak1556 2017-02-27 11:40:49 +05:30
parent 210f40dd53
commit c982af991d
10 changed files with 260 additions and 65 deletions
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53
atom/browser/ui/webui/pdf_viewer_handler.cc
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@ -6,6 +6,7 @@
#include "atom/common/atom_constants.h"
#include "base/bind.h"
#include "base/memory/ptr_util.h"
#include "base/values.h"
#include "content/public/browser/stream_handle.h"
#include "content/public/browser/stream_info.h"
@ -41,14 +42,35 @@ void CreateResponseHeadersDictionary(const net::HttpResponseHeaders* headers,
}
}
void PopulateStreamInfo(base::DictionaryValue* stream_info,
content::StreamInfo* stream,
const std::string& original_url) {
std::unique_ptr<base::DictionaryValue> headers_dict(
new base::DictionaryValue);
auto stream_url = stream->handle->GetURL().spec();
CreateResponseHeadersDictionary(stream->response_headers.get(),
headers_dict.get());
stream_info->SetString("streamURL", stream_url);
stream_info->SetString("originalURL", original_url);
stream_info->Set("responseHeaders", std::move(headers_dict));
}
} // namespace
PdfViewerHandler::PdfViewerHandler(const content::StreamInfo* stream,
const std::string& src)
: stream_(stream), original_url_(src) {}
PdfViewerHandler::PdfViewerHandler(const std::string& src)
: stream_(nullptr), original_url_(src), initialized_(false) {}
PdfViewerHandler::~PdfViewerHandler() {}
void PdfViewerHandler::SetPdfResourceStream(content::StreamInfo* stream) {
stream_ = stream;
if (initialized_) {
auto list = base::MakeUnique<base::ListValue>();
list->Set(0, std::move(initialize_callback_id_));
Initialize(list.get());
}
}
void PdfViewerHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback(
"initialize",
@ -79,24 +101,23 @@ void PdfViewerHandler::OnJavascriptDisallowed() {
}
void PdfViewerHandler::Initialize(const base::ListValue* args) {
AllowJavascript();
CHECK_EQ(1U, args->GetSize());
const base::Value* callback_id;
CHECK(args->Get(0, &callback_id));
std::unique_ptr<base::DictionaryValue> stream_info(new base::DictionaryValue);
std::unique_ptr<base::DictionaryValue> headers_dict(
new base::DictionaryValue);
std::string stream_url = original_url_;
if (stream_) {
stream_url = stream_->handle->GetURL().spec();
CreateResponseHeadersDictionary(stream_->response_headers.get(),
headers_dict.get());
initialized_ = false;
AllowJavascript();
std::unique_ptr<base::DictionaryValue> stream_info(
new base::DictionaryValue);
PopulateStreamInfo(stream_info.get(), stream_, original_url_);
ResolveJavascriptCallback(*callback_id, *stream_info);
} else {
initialize_callback_id_ = callback_id->CreateDeepCopy();
initialized_ = true;
}
stream_info->SetString("streamURL", stream_url);
stream_info->SetString("originalURL", original_url_);
stream_info->Set("responseHeaders", std::move(headers_dict));
ResolveJavascriptCallback(*callback_id, *stream_info);
}
void PdfViewerHandler::GetDefaultZoom(const base::ListValue* args) {