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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 "extensions/browser/app_window/app_web_contents_helper.h"
#include "base/strings/stringprintf.h"
#include "content/public/browser/native_web_keyboard_event.h"
#include "content/public/browser/page_navigator.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/console_message_level.h"
#include "extensions/browser/app_window/app_delegate.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/suggest_permission_util.h"
#include "extensions/common/permissions/api_permission.h"
namespace extensions {
AppWebContentsHelper::AppWebContentsHelper(
content::BrowserContext* browser_context,
const std::string& extension_id,
content::WebContents* web_contents,
AppDelegate* app_delegate)
: browser_context_(browser_context),
extension_id_(extension_id),
web_contents_(web_contents),
app_delegate_(app_delegate) {
}
// static
bool AppWebContentsHelper::ShouldSuppressGestureEvent(
const blink::WebGestureEvent& event) {
// Disable pinch zooming in app windows.
return event.type == blink::WebGestureEvent::GesturePinchBegin ||
event.type == blink::WebGestureEvent::GesturePinchUpdate ||
event.type == blink::WebGestureEvent::GesturePinchEnd;
}
content::WebContents* AppWebContentsHelper::OpenURLFromTab(
const content::OpenURLParams& params) const {
// Don't allow the current tab to be navigated. It would be nice to map all
// anchor tags (even those without target="_blank") to new tabs, but right
// now we can't distinguish between those and <meta> refreshes or window.href
// navigations, which we don't want to allow.
// TOOD(mihaip): Can we check for user gestures instead?
WindowOpenDisposition disposition = params.disposition;
if (disposition == CURRENT_TAB) {
web_contents_->GetMainFrame()->AddMessageToConsole(
content::CONSOLE_MESSAGE_LEVEL_ERROR,
base::StringPrintf(
"Can't open same-window link to \"%s\"; try target=\"_blank\".",
params.url.spec().c_str()));
return NULL;
}
// These dispositions aren't really navigations.
if (disposition == SUPPRESS_OPEN || disposition == SAVE_TO_DISK ||
disposition == IGNORE_ACTION) {
return NULL;
}
content::WebContents* contents =
app_delegate_->OpenURLFromTab(browser_context_, web_contents_, params);
if (!contents) {
web_contents_->GetMainFrame()->AddMessageToConsole(
content::CONSOLE_MESSAGE_LEVEL_ERROR,
base::StringPrintf(
"Can't navigate to \"%s\"; apps do not support navigation.",
params.url.spec().c_str()));
}
return contents;
}
void AppWebContentsHelper::RequestToLockMouse() const {
const Extension* extension = GetExtension();
if (!extension)
return;
bool has_permission = IsExtensionWithPermissionOrSuggestInConsole(
APIPermission::kPointerLock, extension, web_contents_->GetMainFrame());
web_contents_->GotResponseToLockMouseRequest(has_permission);
}
void AppWebContentsHelper::RequestMediaAccessPermission(
const content::MediaStreamRequest& request,
const content::MediaResponseCallback& callback) const {
const Extension* extension = GetExtension();
if (!extension)
return;
app_delegate_->RequestMediaAccessPermission(
web_contents_, request, callback, extension);
}
bool AppWebContentsHelper::CheckMediaAccessPermission(
const GURL& security_origin,
content::MediaStreamType type) const {
const Extension* extension = GetExtension();
if (!extension)
return false;
return app_delegate_->CheckMediaAccessPermission(
web_contents_, security_origin, type, extension);
}
const Extension* AppWebContentsHelper::GetExtension() const {
return ExtensionRegistry::Get(browser_context_)
->enabled_extensions()
.GetByID(extension_id_);
}
} // namespace extensions
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