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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/renderer/extensions/chrome_extension_helper.h"
#include "base/strings/string16.h"
#include "chrome/common/extensions/chrome_extension_messages.h"
#include "chrome/renderer/web_apps.h"
#include "content/public/renderer/render_view.h"
#include "ipc/ipc_message_macros.h"
#include "third_party/WebKit/public/web/WebView.h"
#include "url/gurl.h"
#include "url/url_constants.h"
namespace extensions {
ChromeExtensionHelper::ChromeExtensionHelper(content::RenderView* render_view)
: content::RenderViewObserver(render_view),
content::RenderViewObserverTracker<ChromeExtensionHelper>(render_view) {
}
ChromeExtensionHelper::~ChromeExtensionHelper() {
}
bool ChromeExtensionHelper::OnMessageReceived(
const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(ChromeExtensionHelper, message)
IPC_MESSAGE_HANDLER(ChromeExtensionMsg_GetApplicationInfo,
OnGetApplicationInfo)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void ChromeExtensionHelper::OnGetApplicationInfo(int page_id) {
WebApplicationInfo app_info;
if (page_id == render_view()->GetPageId()) {
base::string16 error;
web_apps::ParseWebAppFromWebDocument(
render_view()->GetWebView()->mainFrame(), &app_info, &error);
}
// Prune out any data URLs in the set of icons. The browser process expects
// any icon with a data URL to have originated from a favicon. We don't want
// to decode arbitrary data URLs in the browser process. See
// http://b/issue?id=1162972
for (size_t i = 0; i < app_info.icons.size(); ++i) {
if (app_info.icons[i].url.SchemeIs(url::kDataScheme)) {
app_info.icons.erase(app_info.icons.begin() + i);
--i;
}
}
Send(new ChromeExtensionHostMsg_DidGetApplicationInfo(
routing_id(), page_id, app_info));
}
} // namespace extensions
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