98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
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// Copyright 2017 the Chromium Embedded Framework Authors. Portions copyright
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// 2013 The Chromium Authors. All rights reserved. Use of this source code is
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// governed by a BSD-style license that can be found in the LICENSE file.
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#include "libcef/browser/extensions/extension_view_host.h"
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#include "libcef/browser/browser_platform_delegate.h"
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#include "libcef/browser/extensions/extension_host_delegate.h"
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#include "content/public/browser/notification_source.h"
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#include "content/public/browser/web_contents.h"
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#include "extensions/browser/extension_system.h"
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#include "extensions/browser/notification_types.h"
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#include "extensions/browser/runtime_data.h"
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#include "third_party/WebKit/public/platform/WebGestureEvent.h"
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using content::NativeWebKeyboardEvent;
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using content::OpenURLParams;
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using content::WebContents;
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using content::WebContentsObserver;
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namespace extensions {
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CefExtensionViewHost::CefExtensionViewHost(
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CefBrowserHostImpl* browser,
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const Extension* extension,
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content::BrowserContext* browser_context,
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content::WebContents* host_contents,
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const GURL& url,
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ViewType host_type)
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: ExtensionHost(new CefExtensionHostDelegate(browser),
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extension,
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browser_context,
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host_contents,
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url,
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host_type) {
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// Only used for dialogs and popups.
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DCHECK(host_type == VIEW_TYPE_EXTENSION_DIALOG ||
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host_type == VIEW_TYPE_EXTENSION_POPUP);
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}
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CefExtensionViewHost::~CefExtensionViewHost() {}
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void CefExtensionViewHost::OnDidStopFirstLoad() {
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// Nothing to do here, but don't call the base class method.
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}
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void CefExtensionViewHost::LoadInitialURL() {
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if (!ExtensionSystem::Get(browser_context())
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->runtime_data()
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->IsBackgroundPageReady(extension())) {
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// Make sure the background page loads before any others.
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registrar_.Add(this,
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extensions::NOTIFICATION_EXTENSION_BACKGROUND_PAGE_READY,
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content::Source<Extension>(extension()));
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return;
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}
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ExtensionHost::LoadInitialURL();
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}
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bool CefExtensionViewHost::IsBackgroundPage() const {
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return false;
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}
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bool CefExtensionViewHost::ShouldTransferNavigation(
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bool is_main_frame_navigation) {
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// Block navigations that cause the main frame to navigate to non-extension
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// content (i.e. to web content).
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return !is_main_frame_navigation;
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}
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bool CefExtensionViewHost::PreHandleGestureEvent(
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content::WebContents* source,
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const blink::WebGestureEvent& event) {
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// Disable pinch zooming.
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return blink::WebInputEvent::IsPinchGestureEventType(event.GetType());
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}
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WebContents* CefExtensionViewHost::GetVisibleWebContents() const {
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if (extension_host_type() == VIEW_TYPE_EXTENSION_POPUP)
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return host_contents();
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return nullptr;
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}
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void CefExtensionViewHost::Observe(
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int type,
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const content::NotificationSource& source,
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const content::NotificationDetails& details) {
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DCHECK_EQ(type, extensions::NOTIFICATION_EXTENSION_BACKGROUND_PAGE_READY);
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DCHECK(ExtensionSystem::Get(browser_context())
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->runtime_data()
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->IsBackgroundPageReady(extension()));
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LoadInitialURL();
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}
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} // namespace extensions
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