| // 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. |
| |
| #import "ios/web/web_state/web_view_internal_creation_util.h" |
| |
| #include "base/logging.h" |
| #include "base/strings/sys_string_conversions.h" |
| #include "ios/web/public/web_client.h" |
| #import "ios/web/web_state/ui/wk_web_view_configuration_provider.h" |
| |
| namespace web { |
| |
| namespace { |
| |
| // Verifies the preconditions for creating a WKWebView. Must be called before |
| // a WKWebView is allocated. Not verifying the preconditions before creating |
| // a WKWebView will lead to undefined behavior. |
| void VerifyWKWebViewCreationPreConditions( |
| BrowserState* browser_state, |
| WKWebViewConfiguration* configuration) { |
| DCHECK(browser_state); |
| DCHECK(configuration); |
| WKWebViewConfigurationProvider& config_provider = |
| WKWebViewConfigurationProvider::FromBrowserState(browser_state); |
| DCHECK_EQ([config_provider.GetWebViewConfiguration() processPool], |
| [configuration processPool]); |
| } |
| |
| } // namespace |
| |
| WKWebView* CreateWKWebView(CGRect frame, |
| WKWebViewConfiguration* configuration, |
| BrowserState* browser_state, |
| BOOL use_desktop_user_agent) { |
| VerifyWKWebViewCreationPreConditions(browser_state, configuration); |
| |
| GetWebClient()->PreWebViewCreation(); |
| WKWebView* web_view = |
| [[WKWebView alloc] initWithFrame:frame configuration:configuration]; |
| |
| // Set the user agent. |
| web_view.customUserAgent = base::SysUTF8ToNSString( |
| web::GetWebClient()->GetUserAgent(use_desktop_user_agent)); |
| |
| // By default the web view uses a very sluggish scroll speed. Set it to a more |
| // reasonable value. |
| web_view.scrollView.decelerationRate = UIScrollViewDecelerationRateNormal; |
| |
| // Starting in iOS10, |allowsLinkPreview| defaults to YES. This should be |
| // disabled since the default implementation will open the link in Safari. |
| // TODO(crbug.com/622746): Remove once web// link preview implementation is |
| // created. |
| web_view.allowsLinkPreview = NO; |
| |
| return web_view; |
| } |
| |
| WKWebView* CreateWKWebView(CGRect frame, |
| WKWebViewConfiguration* configuration, |
| BrowserState* browser_state) { |
| BOOL use_desktop_user_agent = NO; |
| return CreateWKWebView(frame, configuration, browser_state, |
| use_desktop_user_agent); |
| } |
| |
| } // namespace web |