mirror of
https://bitbucket.org/chromiumembedded/cef
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Create 2272 release branch for CEF3.
git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/2272@1993 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
831
libcef/renderer/content_renderer_client.cc
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831
libcef/renderer/content_renderer_client.cc
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@@ -0,0 +1,831 @@
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// 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 "base/compiler_specific.h"
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#include "config.h"
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MSVC_PUSH_WARNING_LEVEL(0);
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#include "bindings/core/v8/V8Binding.h"
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#include "bindings/core/v8/V8RecursionScope.h"
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MSVC_POP_WARNING();
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#undef ceil
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#undef FROM_HERE
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#undef LOG
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#include "libcef/renderer/content_renderer_client.h"
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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/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/render_frame_observer.h"
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#include "libcef/renderer/render_message_filter.h"
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#include "libcef/renderer/render_process_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/files/file_util.h"
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#include "base/path_service.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 "chrome/common/chrome_paths.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/printing/print_web_view_helper.h"
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#include "chrome/renderer/spellchecker/spellcheck.h"
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#include "chrome/renderer/spellchecker/spellcheck_provider.h"
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#include "components/pdf/renderer/ppb_pdf_impl.h"
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#include "components/web_cache/renderer/web_cache_render_process_observer.h"
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#include "content/child/child_thread.h"
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#include "content/child/worker_task_runner.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/common/content_constants.h"
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#include "content/public/common/content_paths.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 "ipc/ipc_sync_channel.h"
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#include "media/base/media.h"
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#include "ppapi/c/private/ppb_pdf.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/platform/WebWorkerRunLoop.h"
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#include "third_party/WebKit/public/web/WebDocument.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/WebKit.h"
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#include "third_party/WebKit/public/web/WebPluginParams.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 "v8/include/v8.h"
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#if defined(OS_WIN)
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#include "base/win/iat_patch_function.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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};
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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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void willAddPrerender(blink::WebPrerender* prerender) override {}
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};
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// Implementation of SequencedTaskRunner for WebWorker threads.
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class CefWebWorkerTaskRunner : public base::SequencedTaskRunner,
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public content::WorkerTaskRunner::Observer {
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public:
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CefWebWorkerTaskRunner(content::WorkerTaskRunner* runner,
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int worker_id)
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: runner_(runner),
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worker_id_(worker_id) {
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DCHECK(runner_);
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DCHECK_GT(worker_id_, 0);
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DCHECK(RunsTasksOnCurrentThread());
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// Adds an observer for the current thread.
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runner_->AddStopObserver(this);
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}
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// SequencedTaskRunner methods:
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bool PostNonNestableDelayedTask(
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const tracked_objects::Location& from_here,
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const base::Closure& task,
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base::TimeDelta delay) override {
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return PostDelayedTask(from_here, task, delay);
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}
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// TaskRunner methods:
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bool PostDelayedTask(const tracked_objects::Location& from_here,
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const base::Closure& task,
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base::TimeDelta delay) override {
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if (delay != base::TimeDelta())
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LOG(WARNING) << "Delayed tasks are not supported on WebWorker threads";
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runner_->PostTask(worker_id_, task);
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return true;
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}
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bool RunsTasksOnCurrentThread() const override {
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return (runner_->CurrentWorkerId() == worker_id_);
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}
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// WorkerTaskRunner::Observer methods:
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void OnWorkerRunLoopStopped() override {
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CefContentRendererClient::Get()->RemoveWorkerTaskRunner(worker_id_);
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}
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private:
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content::WorkerTaskRunner* runner_;
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int worker_id_;
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};
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class CefPrintWebViewHelperDelegate :
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public printing::PrintWebViewHelper::Delegate {
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public:
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CefPrintWebViewHelperDelegate() {}
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bool CancelPrerender(content::RenderView* render_view,
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int routing_id) override {
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return false;
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}
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blink::WebElement GetPdfElement(blink::WebLocalFrame* frame) override {
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return blink::WebElement();
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}
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private:
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DISALLOW_COPY_AND_ASSIGN(CefPrintWebViewHelperDelegate);
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};
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#if defined(OS_WIN)
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static base::win::IATPatchFunction g_iat_patch_createdca;
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HDC WINAPI CreateDCAPatch(LPCSTR driver_name,
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LPCSTR device_name,
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LPCSTR output,
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const void* init_data) {
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DCHECK(std::string("DISPLAY") == std::string(driver_name));
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DCHECK(!device_name);
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DCHECK(!output);
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DCHECK(!init_data);
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// CreateDC fails behind the sandbox, but not CreateCompatibleDC.
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return CreateCompatibleDC(NULL);
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}
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static base::win::IATPatchFunction g_iat_patch_get_font_data;
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DWORD WINAPI GetFontDataPatch(HDC hdc,
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DWORD table,
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DWORD offset,
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LPVOID buffer,
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DWORD length) {
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int rv = GetFontData(hdc, table, offset, buffer, length);
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if (rv == GDI_ERROR && hdc) {
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HFONT font = static_cast<HFONT>(GetCurrentObject(hdc, OBJ_FONT));
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LOGFONT logfont;
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if (GetObject(font, sizeof(LOGFONT), &logfont)) {
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std::vector<char> font_data;
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content::RenderThread::Get()->PreCacheFont(logfont);
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rv = GetFontData(hdc, table, offset, buffer, length);
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content::RenderThread::Get()->ReleaseCachedFonts();
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}
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}
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return rv;
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}
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#endif // OS_WIN
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} // namespace
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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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}
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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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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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blink::WebRuntimeFeatures::enableMediaPlayer(
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media::IsMediaLibraryInitialized());
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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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#if defined(OS_WIN)
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// Need to patch a few functions for font loading to work correctly.
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// From chrome/renderer/chrome_render_process_observer.cc.
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base::FilePath pdf;
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if (PathService::Get(chrome::FILE_PDF_PLUGIN, &pdf) &&
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base::PathExists(pdf)) {
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g_iat_patch_createdca.Patch(
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pdf.value().c_str(), "gdi32.dll", "CreateDCA", CreateDCAPatch);
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g_iat_patch_get_font_data.Patch(
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pdf.value().c_str(), "gdi32.dll", "GetFontData", GetFontDataPatch);
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}
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#endif // defined(OS_WIN)
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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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}
|
||||
|
||||
// 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(
|
||||
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.
|
||||
CefRefPtr<CefApp> application = CefContentClient::Get()->application();
|
||||
if (application.get()) {
|
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CefRefPtr<CefRenderProcessHandler> handler =
|
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application->GetRenderProcessHandler();
|
||||
if (handler.get())
|
||||
handler->OnWebKitInitialized();
|
||||
}
|
||||
}
|
||||
|
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void CefContentRendererClient::OnRenderProcessShutdown() {
|
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// Destroy global objects associated with the default Isolate.
|
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CefV8IsolateDestroyed();
|
||||
}
|
||||
|
||||
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() {
|
||||
CEF_REQUIRE_RT();
|
||||
--devtools_agent_count_;
|
||||
if (devtools_agent_count_ == 0 && uncaught_exception_stack_size_ > 0) {
|
||||
// When the last DevToolsAgent is detached the stack size is set to 0.
|
||||
// Restore the user-specified stack size here.
|
||||
CefV8SetUncaughtExceptionStackSize(uncaught_exception_stack_size_);
|
||||
|
||||
// And do the same for any WebWorker threads.
|
||||
WorkerTaskRunnerMap map_copy;
|
||||
|
||||
{
|
||||
base::AutoLock lock_scope(worker_task_runner_lock_);
|
||||
map_copy = worker_task_runner_map_;
|
||||
}
|
||||
|
||||
WorkerTaskRunnerMap::const_iterator it = map_copy.begin();
|
||||
for (; it != map_copy.end(); ++it) {
|
||||
it->second->PostTask(FROM_HERE,
|
||||
base::Bind(CefV8SetUncaughtExceptionStackSize,
|
||||
uncaught_exception_stack_size_));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
scoped_refptr<base::SequencedTaskRunner>
|
||||
CefContentRendererClient::GetCurrentTaskRunner() {
|
||||
// Check if currently on the render thread.
|
||||
if (CEF_CURRENTLY_ON_RT())
|
||||
return render_task_runner_;
|
||||
|
||||
// Check if a WebWorker exists for the current thread.
|
||||
content::WorkerTaskRunner* worker_runner =
|
||||
content::WorkerTaskRunner::Instance();
|
||||
int worker_id = worker_runner->CurrentWorkerId();
|
||||
if (worker_id > 0) {
|
||||
base::AutoLock lock_scope(worker_task_runner_lock_);
|
||||
WorkerTaskRunnerMap::const_iterator it =
|
||||
worker_task_runner_map_.find(worker_id);
|
||||
if (it != worker_task_runner_map_.end())
|
||||
return it->second;
|
||||
|
||||
scoped_refptr<base::SequencedTaskRunner> task_runner =
|
||||
new CefWebWorkerTaskRunner(worker_runner, worker_id);
|
||||
worker_task_runner_map_[worker_id] = task_runner;
|
||||
return task_runner;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
scoped_refptr<base::SequencedTaskRunner>
|
||||
CefContentRendererClient::GetWorkerTaskRunner(int worker_id) {
|
||||
base::AutoLock lock_scope(worker_task_runner_lock_);
|
||||
WorkerTaskRunnerMap::const_iterator it =
|
||||
worker_task_runner_map_.find(worker_id);
|
||||
if (it != worker_task_runner_map_.end())
|
||||
return it->second;
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void CefContentRendererClient::RemoveWorkerTaskRunner(int worker_id) {
|
||||
base::AutoLock lock_scope(worker_task_runner_lock_);
|
||||
WorkerTaskRunnerMap::iterator it = worker_task_runner_map_.find(worker_id);
|
||||
if (it != worker_task_runner_map_.end())
|
||||
worker_task_runner_map_.erase(it);
|
||||
}
|
||||
|
||||
void CefContentRendererClient::RunSingleProcessCleanup() {
|
||||
DCHECK(content::RenderProcessHost::run_renderer_in_process());
|
||||
|
||||
// Make sure the render thread was actually started.
|
||||
if (!render_task_runner_.get())
|
||||
return;
|
||||
|
||||
if (content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)) {
|
||||
RunSingleProcessCleanupOnUIThread();
|
||||
} else {
|
||||
content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
|
||||
base::Bind(&CefContentRendererClient::RunSingleProcessCleanupOnUIThread,
|
||||
base::Unretained(this)));
|
||||
}
|
||||
|
||||
// Wait for the render thread cleanup to complete. Spin instead of using
|
||||
// base::WaitableEvent because calling Wait() is not allowed on the UI
|
||||
// thread.
|
||||
bool complete = false;
|
||||
do {
|
||||
{
|
||||
base::AutoLock lock_scope(single_process_cleanup_lock_);
|
||||
complete = single_process_cleanup_complete_;
|
||||
}
|
||||
if (!complete)
|
||||
base::PlatformThread::YieldCurrentThread();
|
||||
} while (!complete);
|
||||
}
|
||||
|
||||
void CefContentRendererClient::RenderThreadStarted() {
|
||||
const base::CommandLine* command_line =
|
||||
base::CommandLine::ForCurrentProcess();
|
||||
|
||||
render_task_runner_ = base::MessageLoopProxy::current();
|
||||
observer_.reset(new CefRenderProcessObserver());
|
||||
web_cache_observer_.reset(new web_cache::WebCacheRenderProcessObserver());
|
||||
|
||||
content::RenderThread* thread = content::RenderThread::Get();
|
||||
thread->AddObserver(observer_.get());
|
||||
thread->AddObserver(web_cache_observer_.get());
|
||||
thread->GetChannel()->AddFilter(new CefRenderMessageFilter);
|
||||
thread->RegisterExtension(extensions_v8::LoadTimesExtension::Get());
|
||||
|
||||
if (!command_line->HasSwitch(switches::kDisableSpellChecking)) {
|
||||
spellcheck_.reset(new SpellCheck());
|
||||
thread->AddObserver(spellcheck_.get());
|
||||
}
|
||||
|
||||
if (content::RenderProcessHost::run_renderer_in_process()) {
|
||||
// When running in single-process mode register as a destruction observer
|
||||
// on the render thread's MessageLoop.
|
||||
base::MessageLoop::current()->AddDestructionObserver(this);
|
||||
}
|
||||
|
||||
// Note that under Linux, the media library will normally already have
|
||||
// been initialized by the Zygote before this instance became a Renderer.
|
||||
base::FilePath media_path;
|
||||
PathService::Get(content::DIR_MEDIA_LIBS, &media_path);
|
||||
if (!media_path.empty())
|
||||
media::InitializeMediaLibrary(media_path);
|
||||
|
||||
blink::WebPrerenderingSupport::initialize(new CefPrerenderingSupport());
|
||||
|
||||
// Retrieve the new render thread information synchronously.
|
||||
CefProcessHostMsg_GetNewRenderThreadInfo_Params params;
|
||||
thread->Send(new CefProcessHostMsg_GetNewRenderThreadInfo(¶ms));
|
||||
|
||||
// Cross-origin entries need to be added after WebKit is initialized.
|
||||
cross_origin_whitelist_entries_ = params.cross_origin_whitelist_entries;
|
||||
|
||||
pdf_print_client_.reset(new ChromePDFPrintClient());
|
||||
pdf::PPB_PDF_Impl::SetPrintClient(pdf_print_client_.get());
|
||||
|
||||
// Notify the render process handler.
|
||||
CefRefPtr<CefApp> application = CefContentClient::Get()->application();
|
||||
if (application.get()) {
|
||||
CefRefPtr<CefRenderProcessHandler> handler =
|
||||
application->GetRenderProcessHandler();
|
||||
if (handler.get()) {
|
||||
CefRefPtr<CefListValueImpl> listValuePtr(
|
||||
new CefListValueImpl(¶ms.extra_info, false, true));
|
||||
handler->OnRenderThreadCreated(listValuePtr.get());
|
||||
listValuePtr->Detach(NULL);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void CefContentRendererClient::RenderFrameCreated(
|
||||
content::RenderFrame* render_frame) {
|
||||
new CefRenderFrameObserver(render_frame);
|
||||
BrowserCreated(render_frame->GetRenderView(), render_frame);
|
||||
}
|
||||
|
||||
void CefContentRendererClient::RenderViewCreated(
|
||||
content::RenderView* render_view) {
|
||||
BrowserCreated(render_view, render_view->GetMainRenderFrame());
|
||||
}
|
||||
|
||||
bool CefContentRendererClient::OverrideCreatePlugin(
|
||||
content::RenderFrame* render_frame,
|
||||
blink::WebLocalFrame* frame,
|
||||
const blink::WebPluginParams& params,
|
||||
blink::WebPlugin** plugin) {
|
||||
CefRefPtr<CefBrowserImpl> browser =
|
||||
CefBrowserImpl::GetBrowserForMainFrame(frame->top());
|
||||
if (!browser.get() || !browser->is_windowless())
|
||||
return false;
|
||||
|
||||
#if defined(ENABLE_PLUGINS)
|
||||
if (base::UTF16ToASCII(params.mimeType) == content::kBrowserPluginMimeType)
|
||||
return false;
|
||||
|
||||
content::RenderFrameImpl* render_frame_impl =
|
||||
static_cast<content::RenderFrameImpl*>(render_frame);
|
||||
|
||||
content::WebPluginInfo info;
|
||||
std::string mime_type;
|
||||
bool found = false;
|
||||
render_frame_impl->Send(
|
||||
new FrameHostMsg_GetPluginInfo(
|
||||
render_frame_impl->GetRoutingID(),
|
||||
params.url,
|
||||
frame->top()->document().url(),
|
||||
params.mimeType.utf8(),
|
||||
&found,
|
||||
&info,
|
||||
&mime_type));
|
||||
if (!found)
|
||||
return false;
|
||||
|
||||
bool flash = LowerCaseEqualsASCII(mime_type,
|
||||
"application/x-shockwave-flash");
|
||||
bool silverlight = StartsWithASCII(mime_type,
|
||||
"application/x-silverlight", false);
|
||||
|
||||
if (flash) {
|
||||
// "wmode" values of "opaque" or "transparent" are allowed.
|
||||
size_t size = params.attributeNames.size();
|
||||
for (size_t i = 0; i < size; ++i) {
|
||||
std::string name = params.attributeNames[i].utf8();
|
||||
if (name == "wmode") {
|
||||
std::string value = params.attributeValues[i].utf8();
|
||||
if (value == "opaque" || value == "transparent")
|
||||
flash = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (flash || silverlight) {
|
||||
// Force Flash and Silverlight plugins to use windowless mode.
|
||||
blink::WebPluginParams params_to_use = params;
|
||||
params_to_use.mimeType = blink::WebString::fromUTF8(mime_type);
|
||||
|
||||
size_t size = params.attributeNames.size();
|
||||
blink::WebVector<blink::WebString> new_names(size+1),
|
||||
new_values(size+1);
|
||||
|
||||
for (size_t i = 0; i < size; ++i) {
|
||||
new_names[i] = params.attributeNames[i];
|
||||
new_values[i] = params.attributeValues[i];
|
||||
}
|
||||
|
||||
if (flash) {
|
||||
new_names[size] = "wmode";
|
||||
new_values[size] = "opaque";
|
||||
} else if (silverlight) {
|
||||
new_names[size] = "windowless";
|
||||
new_values[size] = "true";
|
||||
}
|
||||
|
||||
params_to_use.attributeNames.swap(new_names);
|
||||
params_to_use.attributeValues.swap(new_values);
|
||||
|
||||
*plugin = render_frame_impl->CreatePlugin(
|
||||
frame, info, params_to_use,
|
||||
content::RenderFrame::POWER_SAVER_MODE_ESSENTIAL);
|
||||
return true;
|
||||
}
|
||||
#endif // defined(ENABLE_PLUGINS)
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
bool CefContentRendererClient::HandleNavigation(
|
||||
content::RenderFrame* render_frame,
|
||||
content::DocumentState* document_state,
|
||||
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());
|
||||
DCHECK(browserPtr.get());
|
||||
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;
|
||||
}
|
||||
|
||||
void CefContentRendererClient::DidCreateScriptContext(
|
||||
blink::WebFrame* frame, v8::Handle<v8::Context> context,
|
||||
int extension_group, int world_id) {
|
||||
CefRefPtr<CefBrowserImpl> browserPtr =
|
||||
CefBrowserImpl::GetBrowserForMainFrame(frame->top());
|
||||
DCHECK(browserPtr.get());
|
||||
if (!browserPtr.get())
|
||||
return;
|
||||
|
||||
CefRefPtr<CefFrameImpl> framePtr = browserPtr->GetWebFrameImpl(frame);
|
||||
|
||||
v8::Isolate* isolate = blink::mainThreadIsolate();
|
||||
v8::HandleScope handle_scope(isolate);
|
||||
v8::Context::Scope scope(context);
|
||||
blink::V8RecursionScope recursion_scope(isolate);
|
||||
|
||||
CefRefPtr<CefV8Context> contextPtr(new CefV8ContextImpl(isolate, context));
|
||||
|
||||
// Notify the render process handler.
|
||||
CefRefPtr<CefApp> application = CefContentClient::Get()->application();
|
||||
if (application.get()) {
|
||||
CefRefPtr<CefRenderProcessHandler> handler =
|
||||
application->GetRenderProcessHandler();
|
||||
if (handler.get())
|
||||
handler->OnContextCreated(browserPtr.get(), framePtr.get(), contextPtr);
|
||||
}
|
||||
}
|
||||
|
||||
const void* CefContentRendererClient::CreatePPAPIInterface(
|
||||
const std::string& interface_name) {
|
||||
#if defined(ENABLE_PLUGINS)
|
||||
// Used for in-process PDF plugin.
|
||||
if (interface_name == PPB_PDF_INTERFACE)
|
||||
return pdf::PPB_PDF_Impl::GetInterface();
|
||||
#endif
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void CefContentRendererClient::WillReleaseScriptContext(
|
||||
blink::WebLocalFrame* frame,
|
||||
v8::Handle<v8::Context> context,
|
||||
int world_id) {
|
||||
// Notify the render process handler.
|
||||
CefRefPtr<CefApp> application = CefContentClient::Get()->application();
|
||||
if (application.get()) {
|
||||
CefRefPtr<CefRenderProcessHandler> handler =
|
||||
application->GetRenderProcessHandler();
|
||||
if (handler.get()) {
|
||||
CefRefPtr<CefBrowserImpl> browserPtr =
|
||||
CefBrowserImpl::GetBrowserForMainFrame(frame->top());
|
||||
DCHECK(browserPtr.get());
|
||||
if (browserPtr.get()) {
|
||||
CefRefPtr<CefFrameImpl> framePtr = browserPtr->GetWebFrameImpl(frame);
|
||||
|
||||
v8::Isolate* isolate = blink::mainThreadIsolate();
|
||||
v8::HandleScope handle_scope(isolate);
|
||||
v8::Context::Scope scope(context);
|
||||
blink::V8RecursionScope recursion_scope(isolate);
|
||||
|
||||
CefRefPtr<CefV8Context> contextPtr(
|
||||
new CefV8ContextImpl(isolate, context));
|
||||
|
||||
handler->OnContextReleased(browserPtr.get(), framePtr.get(),
|
||||
contextPtr);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
CefV8ReleaseContext(context);
|
||||
}
|
||||
|
||||
void CefContentRendererClient::WillDestroyCurrentMessageLoop() {
|
||||
base::AutoLock lock_scope(single_process_cleanup_lock_);
|
||||
single_process_cleanup_complete_ = true;
|
||||
}
|
||||
|
||||
void CefContentRendererClient::BrowserCreated(
|
||||
content::RenderView* render_view,
|
||||
content::RenderFrame* render_frame) {
|
||||
const base::CommandLine* command_line =
|
||||
base::CommandLine::ForCurrentProcess();
|
||||
|
||||
// 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->GetRoutingID(),
|
||||
render_frame->GetRoutingID(),
|
||||
¶ms));
|
||||
DCHECK_GT(params.browser_id, 0);
|
||||
|
||||
// Don't create another browser object if one already exists for the view.
|
||||
if (GetBrowserForView(render_view).get())
|
||||
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));
|
||||
|
||||
new CefPrerendererClient(render_view);
|
||||
new printing::PrintWebViewHelper(
|
||||
render_view,
|
||||
false,
|
||||
true,
|
||||
make_scoped_ptr<printing::PrintWebViewHelper::Delegate>(
|
||||
new CefPrintWebViewHelperDelegate()));
|
||||
|
||||
if (!command_line->HasSwitch(switches::kDisableSpellChecking))
|
||||
new SpellCheckProvider(render_view, spellcheck_.get());
|
||||
|
||||
// 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;
|
||||
}
|
||||
Reference in New Issue
Block a user