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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
#include "chrome/browser/extensions/error_console/error_console.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/common/extensions/chrome_extension_messages.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_system.h"
#include "extensions/common/extension_urls.h"
using content::BrowserContext;
DEFINE_WEB_CONTENTS_USER_DATA_KEY(
extensions::ChromeExtensionWebContentsObserver);
namespace extensions {
ChromeExtensionWebContentsObserver::ChromeExtensionWebContentsObserver(
content::WebContents* web_contents)
: ExtensionWebContentsObserver(web_contents) {}
ChromeExtensionWebContentsObserver::~ChromeExtensionWebContentsObserver() {}
void ChromeExtensionWebContentsObserver::RenderViewCreated(
content::RenderViewHost* render_view_host) {
ReloadIfTerminated(render_view_host);
ExtensionWebContentsObserver::RenderViewCreated(render_view_host);
}
bool ChromeExtensionWebContentsObserver::OnMessageReceived(
const IPC::Message& message,
content::RenderFrameHost* render_frame_host) {
#if defined(ENABLE_EXTENSIONS)
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(ChromeExtensionWebContentsObserver, message)
IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DetailedConsoleMessageAdded,
OnDetailedConsoleMessageAdded)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
#else
bool handled = false;
#endif
return handled;
}
void ChromeExtensionWebContentsObserver::OnDetailedConsoleMessageAdded(
const base::string16& message,
const base::string16& source,
const StackTrace& stack_trace,
int32 severity_level) {
#if defined(ENABLE_EXTENSIONS)
if (!IsSourceFromAnExtension(source))
return;
content::RenderViewHost* render_view_host =
web_contents()->GetRenderViewHost();
std::string extension_id = GetExtensionId(render_view_host);
if (extension_id.empty())
extension_id = GURL(source).host();
ExtensionSystem::Get(browser_context())->error_console()->ReportError(
scoped_ptr<ExtensionError>(
new RuntimeError(extension_id,
browser_context()->IsOffTheRecord(),
source,
message,
stack_trace,
web_contents()->GetLastCommittedURL(),
static_cast<logging::LogSeverity>(severity_level),
render_view_host->GetRoutingID(),
render_view_host->GetProcess()->GetID())));
#endif
}
void ChromeExtensionWebContentsObserver::ReloadIfTerminated(
content::RenderViewHost* render_view_host) {
std::string extension_id = GetExtensionId(render_view_host);
if (extension_id.empty())
return;
ExtensionRegistry* registry = ExtensionRegistry::Get(browser_context());
// Reload the extension if it has crashed.
// TODO(yoz): This reload doesn't happen synchronously for unpacked
// extensions. It seems to be fast enough, but there is a race.
// We should delay loading until the extension has reloaded.
if (registry->GetExtensionById(extension_id, ExtensionRegistry::TERMINATED)) {
ExtensionSystem::Get(browser_context())->
extension_service()->ReloadExtension(extension_id);
}
}
} // namespace extensions
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