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content / public / browser / web_ui_controller.cc [blame]
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/public/browser/web_ui_controller.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/webui/web_ui_managed_interface.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/web_ui_browser_interface_broker_registry.h"
#include "url/gurl.h"
namespace content {
namespace {
// This registry maintains a mapping from WebUI to its MojoJS interface broker
// initializer, i.e. callbacks that populate an interface broker's binder map
// with interfaces exposed to MojoJS. If such a mapping exists, we instantiate
// the broker in ReadyToCommitNavigation, enable MojoJS bindings for this
// frame, and ask renderer to use it to handle Mojo.bindInterface calls.
base::LazyInstance<WebUIBrowserInterfaceBrokerRegistry>::Leaky
g_web_ui_browser_interface_broker_registry = LAZY_INSTANCE_INITIALIZER;
} // namespace
WebUIController::WebUIController(WebUI* web_ui) : web_ui_(web_ui) {}
WebUIController::~WebUIController() {
RemoveWebUIManagedInterfaces(this);
}
bool WebUIController::OverrideHandleWebUIMessage(
const GURL& source_url,
const std::string& message,
const base::Value::List& args) {
return false;
}
WebUIController::Type WebUIController::GetType() {
return nullptr;
}
bool WebUIController::IsJavascriptErrorReportingEnabled() {
return true;
}
void WebUIController::WebUIReadyToCommitNavigation(
RenderFrameHost* render_frame_host) {
GURL site_url = render_frame_host->GetSiteInstance()->GetSiteURL();
GetContentClient()->browser()->LogWebUIUrl(site_url);
broker_ =
g_web_ui_browser_interface_broker_registry.Get().CreateInterfaceBroker(
*this);
if (broker_) {
RenderFrameHostImpl* rfh =
static_cast<RenderFrameHostImpl*>(render_frame_host);
// If this WebUIController has a per-WebUI interface broker, create the
// broker's remote and ask renderer to use it.
rfh->EnableMojoJsBindingsWithBroker(broker_->BindNewPipeAndPassRemote());
}
}
} // namespace content