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initialize webui with message handlers

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This commit is contained in:
deepak1556 2017-01-17 22:40:15 +05:30
parent a7ed7068f6
commit 8a2b9c893e
4 changed files with 81 additions and 88 deletions
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38
atom/browser/atom_web_ui_controller_factory.cc
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@ -5,7 +5,7 @@
#include "atom/browser/atom_web_ui_controller_factory.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/string_split.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/url_data_source.h"
#include "content/public/browser/web_contents.h"
@ -103,14 +103,34 @@ class BundledDataSource : public content::URLDataSource {
class PdfViewerUI : public content::WebUIController {
public:
PdfViewerUI(content::BrowserContext* browser_context, content::WebUI* web_ui)
: content::WebUIController(web_ui) {
PdfViewerUI(content::BrowserContext* browser_context,
content::WebUI* web_ui,
const std::string& stream_url,
const std::string& original_url)
: content::WebUIController(web_ui),
stream_url_(stream_url),
original_url_(original_url) {
web_ui->RegisterMessageCallback(
"initialize",
base::Bind(&PdfViewerUI::OnInitialize, base::Unretained(this)));
content::URLDataSource::Add(browser_context, new BundledDataSource);
}
void RenderViewCreated(content::RenderViewHost* rvh) override {
rvh->AllowBindings(content::BINDINGS_POLICY_WEB_UI);
}
void OnInitialize(const base::ListValue* args) {
web_ui()->CallJavascriptFunctionUnsafe("main",
base::StringValue(original_url_),
base::StringValue(original_url_));
}
private:
std::string stream_url_;
std::string original_url_;
DISALLOW_COPY_AND_ASSIGN(PdfViewerUI);
};
}
@ -149,8 +169,18 @@ content::WebUIController*
AtomWebUIControllerFactory::CreateWebUIControllerForURL(content::WebUI* web_ui,
const GURL& url) const {
if (url.host() == kChromeUIPdfViewerHost) {
base::StringPairs toplevel_params;
base::SplitStringIntoKeyValuePairs(url.query(), '=', '&', &toplevel_params);
std::string stream_url, original_url;
for (const auto& param : toplevel_params) {
if (param.first == "streamURL") {
stream_url = param.second;
} else if (param.first == "originalURL") {
original_url = param.second;
}
}
auto browser_context = web_ui->GetWebContents()->GetBrowserContext();
return new PdfViewerUI(browser_context, web_ui);
return new PdfViewerUI(browser_context, web_ui, stream_url, original_url);
}
return nullptr;
}