mirror of
https://bitbucket.org/chromiumembedded/cef
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903 lines
33 KiB
C++
903 lines
33 KiB
C++
// Copyright (c) 2013 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "libcef/renderer/content_renderer_client.h"
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#include <utility>
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#include "base/compiler_specific.h"
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// Enable deprecation warnings for MSVC. See http://crbug.com/585142.
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#if defined(OS_WIN)
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#pragma warning(push)
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#pragma warning(default:4996)
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#endif
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#include "libcef/browser/context.h"
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#include "libcef/common/cef_messages.h"
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#include "libcef/common/cef_switches.h"
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#include "libcef/common/content_client.h"
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#include "libcef/common/extensions/extensions_client.h"
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#include "libcef/common/extensions/extensions_util.h"
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#include "libcef/common/request_impl.h"
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#include "libcef/common/values_impl.h"
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#include "libcef/renderer/browser_impl.h"
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#include "libcef/renderer/extensions/extensions_renderer_client.h"
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#include "libcef/renderer/extensions/print_web_view_helper_delegate.h"
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#include "libcef/renderer/media/cef_key_systems.h"
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#include "libcef/renderer/pepper/pepper_helper.h"
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#include "libcef/renderer/plugins/cef_plugin_placeholder.h"
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#include "libcef/renderer/plugins/plugin_preroller.h"
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#include "libcef/renderer/render_frame_observer.h"
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#include "libcef/renderer/render_message_filter.h"
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#include "libcef/renderer/render_thread_observer.h"
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#include "libcef/renderer/thread_util.h"
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#include "libcef/renderer/v8_impl.h"
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#include "libcef/renderer/webkit_glue.h"
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#include "base/command_line.h"
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#include "base/macros.h"
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#include "base/memory/ptr_util.h"
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#include "base/metrics/user_metrics_action.h"
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#include "base/path_service.h"
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#include "base/stl_util.h"
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#include "base/strings/string_number_conversions.h"
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#include "base/strings/utf_string_conversions.h"
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#include "build/build_config.h"
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#include "chrome/common/chrome_switches.h"
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#include "chrome/common/pepper_permission_util.h"
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#include "chrome/common/url_constants.h"
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#include "chrome/grit/generated_resources.h"
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#include "chrome/grit/renderer_resources.h"
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#include "chrome/renderer/content_settings_observer.h"
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#include "chrome/renderer/loadtimes_extension_bindings.h"
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#include "chrome/renderer/pepper/chrome_pdf_print_client.h"
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#include "chrome/renderer/plugins/power_saver_info.h"
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#include "components/content_settings/core/common/content_settings_types.h"
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#include "components/nacl/common/nacl_constants.h"
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#include "components/printing/renderer/print_web_view_helper.h"
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#include "components/spellcheck/renderer/spellcheck.h"
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#include "components/spellcheck/renderer/spellcheck_provider.h"
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#include "components/visitedlink/renderer/visitedlink_slave.h"
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#include "components/web_cache/renderer/web_cache_impl.h"
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#include "content/common/frame_messages.h"
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#include "content/public/browser/browser_thread.h"
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#include "content/public/browser/render_process_host.h"
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#include "content/public/child/child_thread.h"
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#include "content/public/common/content_constants.h"
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#include "content/public/common/content_paths.h"
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#include "content/public/common/content_switches.h"
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#include "content/public/renderer/plugin_instance_throttler.h"
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#include "content/public/renderer/render_thread.h"
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#include "content/public/renderer/render_view.h"
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#include "content/public/renderer/render_view_visitor.h"
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#include "content/renderer/render_frame_impl.h"
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#include "content/renderer/render_widget.h"
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#include "extensions/renderer/renderer_extension_registry.h"
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#include "ipc/ipc_sync_channel.h"
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#include "media/base/media.h"
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#include "printing/print_settings.h"
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#include "third_party/WebKit/public/platform/URLConversion.h"
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#include "third_party/WebKit/public/platform/WebPrerenderingSupport.h"
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#include "third_party/WebKit/public/platform/WebString.h"
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#include "third_party/WebKit/public/platform/WebURL.h"
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#include "third_party/WebKit/public/web/WebConsoleMessage.h"
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#include "third_party/WebKit/public/web/WebElement.h"
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#include "third_party/WebKit/public/web/WebFrame.h"
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#include "third_party/WebKit/public/web/WebLocalFrame.h"
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#include "third_party/WebKit/public/web/WebPrerendererClient.h"
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#include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
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#include "third_party/WebKit/public/web/WebSecurityPolicy.h"
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#include "third_party/WebKit/public/web/WebView.h"
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#include "ui/base/l10n/l10n_util.h"
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#if defined(OS_MACOSX)
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#include "base/mac/mac_util.h"
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#include "base/strings/sys_string_conversions.h"
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#endif
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namespace {
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// Stub implementation of blink::WebPrerenderingSupport.
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class CefPrerenderingSupport : public blink::WebPrerenderingSupport {
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private:
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void add(const blink::WebPrerender& prerender) override {}
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void cancel(const blink::WebPrerender& prerender) override {}
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void abandon(const blink::WebPrerender& prerender) override {}
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void prefetchFinished() override {}
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};
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// Stub implementation of blink::WebPrerendererClient.
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class CefPrerendererClient : public content::RenderViewObserver,
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public blink::WebPrerendererClient {
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public:
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explicit CefPrerendererClient(content::RenderView* render_view)
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: content::RenderViewObserver(render_view) {
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DCHECK(render_view);
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render_view->GetWebView()->setPrerendererClient(this);
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}
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private:
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~CefPrerendererClient() override {}
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// RenderViewObserver methods:
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void OnDestruct() override {
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delete this;
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}
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// WebPrerendererClient methods:
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void willAddPrerender(blink::WebPrerender* prerender) override {}
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bool isPrefetchOnly() override { return false; }
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};
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void AppendParams(const std::vector<base::string16>& additional_names,
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const std::vector<base::string16>& additional_values,
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blink::WebVector<blink::WebString>* existing_names,
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blink::WebVector<blink::WebString>* existing_values) {
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DCHECK(additional_names.size() == additional_values.size());
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DCHECK(existing_names->size() == existing_values->size());
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size_t existing_size = existing_names->size();
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size_t total_size = existing_size + additional_names.size();
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blink::WebVector<blink::WebString> names(total_size);
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blink::WebVector<blink::WebString> values(total_size);
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for (size_t i = 0; i < existing_size; ++i) {
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names[i] = (*existing_names)[i];
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values[i] = (*existing_values)[i];
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}
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for (size_t i = 0; i < additional_names.size(); ++i) {
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names[existing_size + i] = additional_names[i];
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values[existing_size + i] = additional_values[i];
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}
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existing_names->swap(names);
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existing_values->swap(values);
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}
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} // namespace
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// Placeholder object for guest views.
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class CefGuestView : public content::RenderViewObserver {
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public:
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explicit CefGuestView(content::RenderView* render_view)
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: content::RenderViewObserver(render_view) {
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}
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private:
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// RenderViewObserver methods.
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void OnDestruct() override {
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CefContentRendererClient::Get()->OnGuestViewDestroyed(this);
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}
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};
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CefContentRendererClient::CefContentRendererClient()
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: devtools_agent_count_(0),
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uncaught_exception_stack_size_(0),
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single_process_cleanup_complete_(false) {
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if (extensions::ExtensionsEnabled()) {
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extensions_client_.reset(new extensions::CefExtensionsClient);
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extensions::ExtensionsClient::Set(extensions_client_.get());
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extensions_renderer_client_.reset(
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new extensions::CefExtensionsRendererClient);
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extensions::ExtensionsRendererClient::Set(
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extensions_renderer_client_.get());
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}
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printing::SetAgent(CefContentClient::Get()->GetUserAgent());
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}
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CefContentRendererClient::~CefContentRendererClient() {
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}
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// static
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CefContentRendererClient* CefContentRendererClient::Get() {
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return static_cast<CefContentRendererClient*>(
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CefContentClient::Get()->renderer());
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}
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CefRefPtr<CefBrowserImpl> CefContentRendererClient::GetBrowserForView(
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content::RenderView* view) {
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CEF_REQUIRE_RT_RETURN(NULL);
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BrowserMap::const_iterator it = browsers_.find(view);
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if (it != browsers_.end())
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return it->second;
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return NULL;
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}
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CefRefPtr<CefBrowserImpl> CefContentRendererClient::GetBrowserForMainFrame(
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blink::WebFrame* frame) {
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CEF_REQUIRE_RT_RETURN(NULL);
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BrowserMap::const_iterator it = browsers_.begin();
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for (; it != browsers_.end(); ++it) {
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content::RenderView* render_view = it->second->render_view();
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if (render_view && render_view->GetWebView() &&
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render_view->GetWebView()->mainFrame() == frame) {
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return it->second;
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}
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}
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return NULL;
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}
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void CefContentRendererClient::OnBrowserDestroyed(CefBrowserImpl* browser) {
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BrowserMap::iterator it = browsers_.begin();
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for (; it != browsers_.end(); ++it) {
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if (it->second.get() == browser) {
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browsers_.erase(it);
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return;
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}
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}
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// No browser was found in the map.
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NOTREACHED();
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}
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bool CefContentRendererClient::HasGuestViewForView(
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content::RenderView* view) {
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CEF_REQUIRE_RT_RETURN(false);
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GuestViewMap::const_iterator it = guest_views_.find(view);
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return it != guest_views_.end();
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}
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void CefContentRendererClient::OnGuestViewDestroyed(CefGuestView* guest_view) {
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GuestViewMap::iterator it = guest_views_.begin();
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for (; it != guest_views_.end(); ++it) {
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if (it->second.get() == guest_view) {
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guest_views_.erase(it);
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return;
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}
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}
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// No guest view was found in the map.
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NOTREACHED();
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}
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void CefContentRendererClient::WebKitInitialized() {
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const base::CommandLine* command_line =
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base::CommandLine::ForCurrentProcess();
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// Create global objects associated with the default Isolate.
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CefV8IsolateCreated();
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// TODO(cef): Enable these once the implementation supports it.
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blink::WebRuntimeFeatures::enableNotifications(false);
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const CefContentClient::SchemeInfoList* schemes =
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CefContentClient::Get()->GetCustomSchemes();
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if (!schemes->empty()) {
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// Register the custom schemes.
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CefContentClient::SchemeInfoList::const_iterator it = schemes->begin();
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for (; it != schemes->end(); ++it) {
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const CefContentClient::SchemeInfo& info = *it;
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const blink::WebString& scheme =
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blink::WebString::fromUTF8(info.scheme_name);
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if (info.is_standard) {
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// Standard schemes must also be registered as CORS enabled to support
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// CORS-restricted requests (for example, XMLHttpRequest redirects).
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blink::WebSecurityPolicy::registerURLSchemeAsCORSEnabled(scheme);
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}
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if (info.is_local)
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blink::WebSecurityPolicy::registerURLSchemeAsLocal(scheme);
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if (info.is_display_isolated)
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blink::WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(scheme);
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}
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}
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if (!cross_origin_whitelist_entries_.empty()) {
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// Add the cross-origin white list entries.
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for (size_t i = 0; i < cross_origin_whitelist_entries_.size(); ++i) {
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const Cef_CrossOriginWhiteListEntry_Params& entry =
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cross_origin_whitelist_entries_[i];
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GURL gurl = GURL(entry.source_origin);
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blink::WebSecurityPolicy::addOriginAccessWhitelistEntry(
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gurl,
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blink::WebString::fromUTF8(entry.target_protocol),
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blink::WebString::fromUTF8(entry.target_domain),
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entry.allow_target_subdomains);
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}
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cross_origin_whitelist_entries_.clear();
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}
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// The number of stack trace frames to capture for uncaught exceptions.
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if (command_line->HasSwitch(switches::kUncaughtExceptionStackSize)) {
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int uncaught_exception_stack_size = 0;
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base::StringToInt(
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command_line->GetSwitchValueASCII(
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switches::kUncaughtExceptionStackSize),
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&uncaught_exception_stack_size);
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if (uncaught_exception_stack_size > 0) {
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uncaught_exception_stack_size_ = uncaught_exception_stack_size;
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CefV8SetUncaughtExceptionStackSize(uncaught_exception_stack_size_);
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}
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}
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// Notify the render process handler.
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CefRefPtr<CefApp> application = CefContentClient::Get()->application();
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if (application.get()) {
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CefRefPtr<CefRenderProcessHandler> handler =
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application->GetRenderProcessHandler();
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if (handler.get())
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handler->OnWebKitInitialized();
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}
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}
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void CefContentRendererClient::OnRenderProcessShutdown() {
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// Destroy global objects associated with the default Isolate.
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CefV8IsolateDestroyed();
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}
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void CefContentRendererClient::DevToolsAgentAttached() {
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CEF_REQUIRE_RT();
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++devtools_agent_count_;
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}
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void CefContentRendererClient::DevToolsAgentDetached() {
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CEF_REQUIRE_RT();
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--devtools_agent_count_;
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if (devtools_agent_count_ == 0 && uncaught_exception_stack_size_ > 0) {
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// When the last DevToolsAgent is detached the stack size is set to 0.
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// Restore the user-specified stack size here.
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CefV8SetUncaughtExceptionStackSize(uncaught_exception_stack_size_);
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}
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}
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scoped_refptr<base::SequencedTaskRunner>
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CefContentRendererClient::GetCurrentTaskRunner() {
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// Check if currently on the render thread.
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if (CEF_CURRENTLY_ON_RT())
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return render_task_runner_;
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return NULL;
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}
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void CefContentRendererClient::RunSingleProcessCleanup() {
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DCHECK(content::RenderProcessHost::run_renderer_in_process());
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// Make sure the render thread was actually started.
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if (!render_task_runner_.get())
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return;
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if (content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)) {
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RunSingleProcessCleanupOnUIThread();
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} else {
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content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
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base::Bind(&CefContentRendererClient::RunSingleProcessCleanupOnUIThread,
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base::Unretained(this)));
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}
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// Wait for the render thread cleanup to complete. Spin instead of using
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// base::WaitableEvent because calling Wait() is not allowed on the UI
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// thread.
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bool complete = false;
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do {
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{
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base::AutoLock lock_scope(single_process_cleanup_lock_);
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complete = single_process_cleanup_complete_;
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}
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if (!complete)
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base::PlatformThread::YieldCurrentThread();
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} while (!complete);
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}
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void CefContentRendererClient::RenderThreadStarted() {
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const base::CommandLine* command_line =
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base::CommandLine::ForCurrentProcess();
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render_task_runner_ = base::ThreadTaskRunnerHandle::Get();
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observer_.reset(new CefRenderThreadObserver());
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web_cache_impl_.reset(new web_cache::WebCacheImpl());
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content::RenderThread* thread = content::RenderThread::Get();
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thread->AddObserver(observer_.get());
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thread->GetChannel()->AddFilter(new CefRenderMessageFilter);
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if (!command_line->HasSwitch(switches::kDisableSpellChecking)) {
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spellcheck_.reset(new SpellCheck());
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thread->AddObserver(spellcheck_.get());
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}
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if (content::RenderProcessHost::run_renderer_in_process()) {
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// When running in single-process mode register as a destruction observer
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// on the render thread's MessageLoop.
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base::MessageLoop::current()->AddDestructionObserver(this);
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}
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blink::WebPrerenderingSupport::initialize(new CefPrerenderingSupport());
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// Retrieve the new render thread information synchronously.
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CefProcessHostMsg_GetNewRenderThreadInfo_Params params;
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thread->Send(new CefProcessHostMsg_GetNewRenderThreadInfo(¶ms));
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// Cross-origin entries need to be added after WebKit is initialized.
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cross_origin_whitelist_entries_ = params.cross_origin_whitelist_entries;
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#if defined(OS_MACOSX)
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{
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base::ScopedCFTypeRef<CFStringRef> key(
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base::SysUTF8ToCFStringRef("NSScrollViewRubberbanding"));
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base::ScopedCFTypeRef<CFStringRef> value;
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// If the command-line switch is specified then set the value that will be
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// checked in RenderThreadImpl::Init(). Otherwise, remove the application-
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// level value.
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if (command_line->HasSwitch(switches::kDisableScrollBounce))
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value.reset(base::SysUTF8ToCFStringRef("false"));
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CFPreferencesSetAppValue(key, value, kCFPreferencesCurrentApplication);
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CFPreferencesAppSynchronize(kCFPreferencesCurrentApplication);
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}
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#endif // defined(OS_MACOSX)
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if (extensions::PdfExtensionEnabled()) {
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pdf_print_client_.reset(new ChromePDFPrintClient());
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pdf::PepperPDFHost::SetPrintClient(pdf_print_client_.get());
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}
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if (extensions::ExtensionsEnabled())
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extensions_renderer_client_->RenderThreadStarted();
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// Notify the render process handler.
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CefRefPtr<CefApp> application = CefContentClient::Get()->application();
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if (application.get()) {
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CefRefPtr<CefRenderProcessHandler> handler =
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application->GetRenderProcessHandler();
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if (handler.get()) {
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CefRefPtr<CefListValueImpl> listValuePtr(
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new CefListValueImpl(¶ms.extra_info, false, true));
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handler->OnRenderThreadCreated(listValuePtr.get());
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listValuePtr->Detach(NULL);
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}
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}
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// Register extensions last because it will trigger WebKit initialization.
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thread->RegisterExtension(extensions_v8::LoadTimesExtension::Get());
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WebKitInitialized();
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}
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|
|
void CefContentRendererClient::RenderFrameCreated(
|
|
content::RenderFrame* render_frame) {
|
|
new CefRenderFrameObserver(render_frame);
|
|
new CefPepperHelper(render_frame);
|
|
new printing::PrintWebViewHelper(
|
|
render_frame,
|
|
base::WrapUnique(new extensions::CefPrintWebViewHelperDelegate()));
|
|
|
|
if (extensions::ExtensionsEnabled())
|
|
extensions_renderer_client_->RenderFrameCreated(render_frame);
|
|
|
|
BrowserCreated(render_frame->GetRenderView(), render_frame);
|
|
}
|
|
|
|
void CefContentRendererClient::RenderViewCreated(
|
|
content::RenderView* render_view) {
|
|
new CefPrerendererClient(render_view);
|
|
|
|
if (extensions::ExtensionsEnabled())
|
|
extensions_renderer_client_->RenderViewCreated(render_view);
|
|
|
|
const base::CommandLine* command_line =
|
|
base::CommandLine::ForCurrentProcess();
|
|
if (!command_line->HasSwitch(switches::kDisableSpellChecking))
|
|
new SpellCheckProvider(render_view, spellcheck_.get());
|
|
|
|
BrowserCreated(render_view, render_view->GetMainRenderFrame());
|
|
}
|
|
|
|
bool CefContentRendererClient::OverrideCreatePlugin(
|
|
content::RenderFrame* render_frame,
|
|
blink::WebLocalFrame* frame,
|
|
const blink::WebPluginParams& params,
|
|
blink::WebPlugin** plugin) {
|
|
std::string orig_mime_type = params.mimeType.utf8();
|
|
if (extensions::ExtensionsEnabled() &&
|
|
!extensions_renderer_client_->OverrideCreatePlugin(render_frame,
|
|
params)) {
|
|
return false;
|
|
}
|
|
|
|
GURL url(params.url);
|
|
CefViewHostMsg_GetPluginInfo_Output output;
|
|
render_frame->Send(new CefViewHostMsg_GetPluginInfo(
|
|
render_frame->GetRoutingID(), url, render_frame->IsMainFrame(),
|
|
frame->top()->getSecurityOrigin(), orig_mime_type, &output));
|
|
|
|
*plugin = CreatePlugin(render_frame, frame, params, output);
|
|
return true;
|
|
}
|
|
|
|
bool CefContentRendererClient::HandleNavigation(
|
|
content::RenderFrame* render_frame,
|
|
bool is_content_initiated,
|
|
int opener_id,
|
|
blink::WebFrame* frame,
|
|
const blink::WebURLRequest& request,
|
|
blink::WebNavigationType type,
|
|
blink::WebNavigationPolicy default_policy,
|
|
bool is_redirect) {
|
|
CefRefPtr<CefApp> application = CefContentClient::Get()->application();
|
|
if (application.get()) {
|
|
CefRefPtr<CefRenderProcessHandler> handler =
|
|
application->GetRenderProcessHandler();
|
|
if (handler.get()) {
|
|
CefRefPtr<CefBrowserImpl> browserPtr =
|
|
CefBrowserImpl::GetBrowserForMainFrame(frame->top());
|
|
if (browserPtr.get()) {
|
|
CefRefPtr<CefFrameImpl> framePtr = browserPtr->GetWebFrameImpl(frame);
|
|
CefRefPtr<CefRequest> requestPtr(CefRequest::Create());
|
|
CefRequestImpl* requestImpl =
|
|
static_cast<CefRequestImpl*>(requestPtr.get());
|
|
requestImpl->Set(request);
|
|
requestImpl->SetReadOnly(true);
|
|
|
|
cef_navigation_type_t navigation_type = NAVIGATION_OTHER;
|
|
switch (type) {
|
|
case blink::WebNavigationTypeLinkClicked:
|
|
navigation_type = NAVIGATION_LINK_CLICKED;
|
|
break;
|
|
case blink::WebNavigationTypeFormSubmitted:
|
|
navigation_type = NAVIGATION_FORM_SUBMITTED;
|
|
break;
|
|
case blink::WebNavigationTypeBackForward:
|
|
navigation_type = NAVIGATION_BACK_FORWARD;
|
|
break;
|
|
case blink::WebNavigationTypeReload:
|
|
navigation_type = NAVIGATION_RELOAD;
|
|
break;
|
|
case blink::WebNavigationTypeFormResubmitted:
|
|
navigation_type = NAVIGATION_FORM_RESUBMITTED;
|
|
break;
|
|
case blink::WebNavigationTypeOther:
|
|
navigation_type = NAVIGATION_OTHER;
|
|
break;
|
|
}
|
|
|
|
if (handler->OnBeforeNavigation(browserPtr.get(), framePtr.get(),
|
|
requestPtr.get(), navigation_type,
|
|
is_redirect)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CefContentRendererClient::ShouldFork(blink::WebLocalFrame* frame,
|
|
const GURL& url,
|
|
const std::string& http_method,
|
|
bool is_initial_navigation,
|
|
bool is_server_redirect,
|
|
bool* send_referrer) {
|
|
DCHECK(!frame->parent());
|
|
|
|
// For now, we skip the rest for POST submissions. This is because
|
|
// http://crbug.com/101395 is more likely to cause compatibility issues
|
|
// with hosted apps and extensions than WebUI pages. We will remove this
|
|
// check when cross-process POST submissions are supported.
|
|
if (http_method != "GET")
|
|
return false;
|
|
|
|
if (extensions::ExtensionsEnabled()) {
|
|
return extensions::CefExtensionsRendererClient::ShouldFork(
|
|
frame, url, is_initial_navigation, is_server_redirect, send_referrer);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CefContentRendererClient::WillSendRequest(
|
|
blink::WebFrame* frame,
|
|
ui::PageTransition transition_type,
|
|
const blink::WebURL& url,
|
|
GURL* new_url) {
|
|
if (extensions::ExtensionsEnabled()) {
|
|
return extensions_renderer_client_->WillSendRequest(frame, transition_type,
|
|
url, new_url);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
unsigned long long CefContentRendererClient::VisitedLinkHash(
|
|
const char* canonical_url, size_t length) {
|
|
return observer_->visited_link_slave()->ComputeURLFingerprint(canonical_url,
|
|
length);
|
|
}
|
|
|
|
bool CefContentRendererClient::IsLinkVisited(unsigned long long link_hash) {
|
|
return observer_->visited_link_slave()->IsVisited(link_hash);
|
|
}
|
|
|
|
content::BrowserPluginDelegate*
|
|
CefContentRendererClient::CreateBrowserPluginDelegate(
|
|
content::RenderFrame* render_frame,
|
|
const std::string& mime_type,
|
|
const GURL& original_url) {
|
|
DCHECK(extensions::ExtensionsEnabled());
|
|
return extensions::CefExtensionsRendererClient::CreateBrowserPluginDelegate(
|
|
render_frame, mime_type, original_url);
|
|
}
|
|
|
|
void CefContentRendererClient::AddSupportedKeySystems(
|
|
std::vector<std::unique_ptr<::media::KeySystemProperties>>* key_systems) {
|
|
AddCefKeySystems(key_systems);
|
|
}
|
|
|
|
void CefContentRendererClient::RunScriptsAtDocumentStart(
|
|
content::RenderFrame* render_frame) {
|
|
if (extensions::ExtensionsEnabled())
|
|
extensions_renderer_client_->RunScriptsAtDocumentStart(render_frame);
|
|
}
|
|
|
|
void CefContentRendererClient::RunScriptsAtDocumentEnd(
|
|
content::RenderFrame* render_frame) {
|
|
if (extensions::ExtensionsEnabled())
|
|
extensions_renderer_client_->RunScriptsAtDocumentEnd(render_frame);
|
|
}
|
|
|
|
void CefContentRendererClient::WillDestroyCurrentMessageLoop() {
|
|
base::AutoLock lock_scope(single_process_cleanup_lock_);
|
|
single_process_cleanup_complete_ = true;
|
|
}
|
|
|
|
// static
|
|
blink::WebPlugin* CefContentRendererClient::CreatePlugin(
|
|
content::RenderFrame* render_frame,
|
|
blink::WebLocalFrame* frame,
|
|
const blink::WebPluginParams& original_params,
|
|
const CefViewHostMsg_GetPluginInfo_Output& output) {
|
|
const content::WebPluginInfo& info = output.plugin;
|
|
const std::string& actual_mime_type = output.actual_mime_type;
|
|
const base::string16& group_name = output.group_name;
|
|
const std::string& identifier = output.group_identifier;
|
|
CefViewHostMsg_GetPluginInfo_Status status = output.status;
|
|
GURL url(original_params.url);
|
|
std::string orig_mime_type = original_params.mimeType.utf8();
|
|
CefPluginPlaceholder* placeholder = NULL;
|
|
|
|
// If the browser plugin is to be enabled, this should be handled by the
|
|
// renderer, so the code won't reach here due to the early exit in
|
|
// OverrideCreatePlugin.
|
|
if (status == CefViewHostMsg_GetPluginInfo_Status::kNotFound ||
|
|
orig_mime_type == content::kBrowserPluginMimeType) {
|
|
placeholder = CefPluginPlaceholder::CreateLoadableMissingPlugin(
|
|
render_frame, frame, original_params);
|
|
} else {
|
|
// TODO(bauerb): This should be in content/.
|
|
blink::WebPluginParams params(original_params);
|
|
for (size_t i = 0; i < info.mime_types.size(); ++i) {
|
|
if (info.mime_types[i].mime_type == actual_mime_type) {
|
|
AppendParams(info.mime_types[i].additional_param_names,
|
|
info.mime_types[i].additional_param_values,
|
|
¶ms.attributeNames, ¶ms.attributeValues);
|
|
break;
|
|
}
|
|
}
|
|
if (params.mimeType.isNull() && (actual_mime_type.size() > 0)) {
|
|
// Webkit might say that mime type is null while we already know the
|
|
// actual mime type via CefViewHostMsg_GetPluginInfo. In that case
|
|
// we should use what we know since WebpluginDelegateProxy does some
|
|
// specific initializations based on this information.
|
|
params.mimeType = blink::WebString::fromUTF8(actual_mime_type.c_str());
|
|
}
|
|
|
|
auto create_blocked_plugin = [&render_frame, &frame, ¶ms, &info,
|
|
&identifier, &group_name](
|
|
int template_id, const base::string16& message) {
|
|
return CefPluginPlaceholder::CreateBlockedPlugin(
|
|
render_frame, frame, params, info, identifier, group_name,
|
|
template_id, message, PowerSaverInfo());
|
|
};
|
|
switch (status) {
|
|
case CefViewHostMsg_GetPluginInfo_Status::kNotFound: {
|
|
NOTREACHED();
|
|
break;
|
|
}
|
|
case CefViewHostMsg_GetPluginInfo_Status::kAllowed:
|
|
case CefViewHostMsg_GetPluginInfo_Status::kPlayImportantContent: {
|
|
// Delay loading plugins if prerendering.
|
|
// TODO(mmenke): In the case of prerendering, feed into
|
|
// CefContentRendererClient::CreatePlugin instead, to
|
|
// reduce the chance of future regressions.
|
|
bool is_prerendering = false;
|
|
bool power_saver_setting_on =
|
|
status ==
|
|
CefViewHostMsg_GetPluginInfo_Status::kPlayImportantContent;
|
|
|
|
PowerSaverInfo power_saver_info =
|
|
PowerSaverInfo::Get(render_frame, power_saver_setting_on, params,
|
|
info, frame->document().url());
|
|
if (power_saver_info.blocked_for_background_tab || is_prerendering ||
|
|
!power_saver_info.poster_attribute.empty()) {
|
|
placeholder = CefPluginPlaceholder::CreateBlockedPlugin(
|
|
render_frame, frame, params, info, identifier, group_name,
|
|
power_saver_info.poster_attribute.empty()
|
|
? IDR_BLOCKED_PLUGIN_HTML
|
|
: IDR_PLUGIN_POSTER_HTML,
|
|
l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name),
|
|
power_saver_info);
|
|
placeholder->set_blocked_for_prerendering(is_prerendering);
|
|
placeholder->AllowLoading();
|
|
break;
|
|
}
|
|
|
|
std::unique_ptr<content::PluginInstanceThrottler> throttler;
|
|
if (power_saver_info.power_saver_enabled) {
|
|
throttler = content::PluginInstanceThrottler::Create(
|
|
content::RenderFrame::DONT_RECORD_DECISION);
|
|
// PluginPreroller manages its own lifetime.
|
|
new CefPluginPreroller(
|
|
render_frame, frame, params, info, identifier, group_name,
|
|
l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name),
|
|
throttler.get());
|
|
}
|
|
|
|
return render_frame->CreatePlugin(frame, info, params,
|
|
std::move(throttler));
|
|
}
|
|
case CefViewHostMsg_GetPluginInfo_Status::kDisabled: {
|
|
// Intentionally using the blocked plugin resources instead of the
|
|
// disabled plugin resources. This provides better messaging (no link to
|
|
// chrome://plugins) and adds testing support.
|
|
placeholder = create_blocked_plugin(
|
|
IDR_BLOCKED_PLUGIN_HTML,
|
|
l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED_BY_POLICY,
|
|
group_name));
|
|
break;
|
|
}
|
|
case CefViewHostMsg_GetPluginInfo_Status::kOutdatedBlocked: {
|
|
NOTREACHED() << "Plugin installation is not supported.";
|
|
break;
|
|
}
|
|
case CefViewHostMsg_GetPluginInfo_Status::kOutdatedDisallowed: {
|
|
placeholder = create_blocked_plugin(
|
|
IDR_BLOCKED_PLUGIN_HTML,
|
|
l10n_util::GetStringFUTF16(IDS_PLUGIN_OUTDATED, group_name));
|
|
break;
|
|
}
|
|
case CefViewHostMsg_GetPluginInfo_Status::kUnauthorized: {
|
|
placeholder = create_blocked_plugin(
|
|
IDR_BLOCKED_PLUGIN_HTML,
|
|
l10n_util::GetStringFUTF16(IDS_PLUGIN_NOT_AUTHORIZED, group_name));
|
|
placeholder->AllowLoading();
|
|
break;
|
|
}
|
|
case CefViewHostMsg_GetPluginInfo_Status::kBlocked: {
|
|
placeholder = create_blocked_plugin(
|
|
IDR_BLOCKED_PLUGIN_HTML,
|
|
l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name));
|
|
placeholder->AllowLoading();
|
|
content::RenderThread::Get()->RecordAction(
|
|
base::UserMetricsAction("Plugin_Blocked"));
|
|
break;
|
|
}
|
|
case CefViewHostMsg_GetPluginInfo_Status::kBlockedByPolicy: {
|
|
placeholder = create_blocked_plugin(
|
|
IDR_BLOCKED_PLUGIN_HTML,
|
|
l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED_BY_POLICY,
|
|
group_name));
|
|
content::RenderThread::Get()->RecordAction(
|
|
base::UserMetricsAction("Plugin_BlockedByPolicy"));
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
placeholder->SetStatus(status);
|
|
return placeholder->plugin();
|
|
}
|
|
|
|
void CefContentRendererClient::BrowserCreated(
|
|
content::RenderView* render_view,
|
|
content::RenderFrame* render_frame) {
|
|
if (!render_view || !render_frame)
|
|
return;
|
|
|
|
// Swapped out RenderWidgets will be created in the parent/owner process for
|
|
// frames that are hosted in a separate process (e.g. guest views or OOP
|
|
// frames). Don't create any CEF objects for swapped out RenderWidgets.
|
|
content::RenderFrameImpl* render_frame_impl =
|
|
static_cast<content::RenderFrameImpl*>(render_frame);
|
|
if (render_frame_impl->GetRenderWidget()->is_swapped_out())
|
|
return;
|
|
|
|
// Don't create another browser or guest view object if one already exists for
|
|
// the view.
|
|
if (GetBrowserForView(render_view).get() || HasGuestViewForView(render_view))
|
|
return;
|
|
|
|
const int render_view_routing_id = render_view->GetRoutingID();
|
|
const int render_frame_routing_id = render_frame->GetRoutingID();
|
|
|
|
// Retrieve the browser information synchronously. This will also register
|
|
// the routing ids with the browser info object in the browser process.
|
|
CefProcessHostMsg_GetNewBrowserInfo_Params params;
|
|
content::RenderThread::Get()->Send(
|
|
new CefProcessHostMsg_GetNewBrowserInfo(
|
|
render_view_routing_id,
|
|
render_frame_routing_id,
|
|
¶ms));
|
|
DCHECK_GT(params.browser_id, 0);
|
|
if (params.browser_id == 0) {
|
|
// The request failed for some reason.
|
|
return;
|
|
}
|
|
|
|
if (params.is_guest_view) {
|
|
// Don't create a CefBrowser for guest views.
|
|
guest_views_.insert(
|
|
std::make_pair(render_view,
|
|
base::MakeUnique<CefGuestView>(render_view)));
|
|
return;
|
|
}
|
|
|
|
#if defined(OS_MACOSX)
|
|
// FIXME: It would be better if this API would be a callback from the
|
|
// WebKit layer, or if it would be exposed as an WebView instance method; the
|
|
// current implementation uses a static variable, and WebKit needs to be
|
|
// patched in order to make it work for each WebView instance
|
|
render_view->GetWebView()->setUseExternalPopupMenusThisInstance(
|
|
!params.is_windowless);
|
|
#endif
|
|
|
|
CefRefPtr<CefBrowserImpl> browser =
|
|
new CefBrowserImpl(render_view, params.browser_id, params.is_popup,
|
|
params.is_windowless);
|
|
browsers_.insert(std::make_pair(render_view, browser));
|
|
|
|
// Notify the render process handler.
|
|
CefRefPtr<CefApp> application = CefContentClient::Get()->application();
|
|
if (application.get()) {
|
|
CefRefPtr<CefRenderProcessHandler> handler =
|
|
application->GetRenderProcessHandler();
|
|
if (handler.get())
|
|
handler->OnBrowserCreated(browser.get());
|
|
}
|
|
}
|
|
|
|
void CefContentRendererClient::RunSingleProcessCleanupOnUIThread() {
|
|
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
|
|
|
|
// Clean up the single existing RenderProcessHost.
|
|
content::RenderProcessHost* host = NULL;
|
|
content::RenderProcessHost::iterator iterator(
|
|
content::RenderProcessHost::AllHostsIterator());
|
|
if (!iterator.IsAtEnd()) {
|
|
host = iterator.GetCurrentValue();
|
|
host->Cleanup();
|
|
iterator.Advance();
|
|
DCHECK(iterator.IsAtEnd());
|
|
}
|
|
DCHECK(host);
|
|
|
|
// Clear the run_renderer_in_process() flag to avoid a DCHECK in the
|
|
// RenderProcessHost destructor.
|
|
content::RenderProcessHost::SetRunRendererInProcess(false);
|
|
|
|
// Deletion of the RenderProcessHost object will stop the render thread and
|
|
// result in a call to WillDestroyCurrentMessageLoop.
|
|
// Cleanup() will cause deletion to be posted as a task on the UI thread but
|
|
// this task will only execute when running in multi-threaded message loop
|
|
// mode (because otherwise the UI message loop has already stopped). Therefore
|
|
// we need to explicitly delete the object when not running in this mode.
|
|
if (!CefContext::Get()->settings().multi_threaded_message_loop)
|
|
delete host;
|
|
}
|
|
|
|
|
|
// Enable deprecation warnings for MSVC. See http://crbug.com/585142.
|
|
#if defined(OS_WIN)
|
|
#pragma warning(pop)
|
|
#endif
|