root/content/public/test/render_view_test.cc

DEFINITIONS

1. sandboxSupport
2. RendererWebKitPlatformSupportImplNoSandbox
3. RendererWebKitPlatformSupportImplNoSandbox
4. Get
5. ProcessPendingMessages
6. GetMainFrame
7. ExecuteJavaScript
8. ExecuteJavaScriptAndReturnIntValue
9. LoadHTML
10. GoBack
11. GoForward
12. SetUp
13. TearDown
14. SendNativeKeyEvent
15. SendWebKeyboardEvent
16. SendWebMouseEvent
17. GetElementBounds
18. SimulateElementClick
19. SetFocused
20. ClearHistory
21. Reload
22. GetNavigationIPCType
23. Resize
24. OnMessageReceived
25. DidNavigateWithinPage
26. SendContentStateImmediately
27. GetWebWidget
28. CreateContentClient
29. CreateContentBrowserClient
30. CreateContentRendererClient
31. GoToOffset

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/public/test/render_view_test.h"

#include "base/run_loop.h"
#include "content/common/dom_storage/dom_storage_types.h"
#include "content/common/frame_messages.h"
#include "content/common/input_messages.h"
#include "content/common/view_messages.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/native_web_keyboard_event.h"
#include "content/public/common/content_client.h"
#include "content/public/common/renderer_preferences.h"
#include "content/public/renderer/content_renderer_client.h"
#include "content/public/renderer/history_item_serialization.h"
#include "content/renderer/render_thread_impl.h"
#include "content/renderer/render_view_impl.h"
#include "content/renderer/renderer_main_platform_delegate.h"
#include "content/renderer/renderer_webkitplatformsupport_impl.h"
#include "content/test/mock_render_process.h"
#include "third_party/WebKit/public/platform/WebScreenInfo.h"
#include "third_party/WebKit/public/platform/WebURLRequest.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebHistoryItem.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
#include "third_party/WebKit/public/web/WebKit.h"
#include "third_party/WebKit/public/web/WebScriptSource.h"
#include "third_party/WebKit/public/web/WebView.h"
#include "ui/base/resource/resource_bundle.h"
#include "v8/include/v8.h"

#if defined(OS_MACOSX)
#include "base/mac/scoped_nsautorelease_pool.h"
#endif

using blink::WebFrame;
using blink::WebInputEvent;
using blink::WebMouseEvent;
using blink::WebScriptSource;
using blink::WebString;
using blink::WebURLRequest;

namespace {
const int32 kOpenerId = -2;
const int32 kRouteId = 5;
const int32 kMainFrameRouteId = 6;
const int32 kNewWindowRouteId = 7;
const int32 kNewFrameRouteId = 10;
const int32 kSurfaceId = 42;

}  // namespace

namespace content {

class RendererWebKitPlatformSupportImplNoSandboxImpl
    : public RendererWebKitPlatformSupportImpl {
 public:
  virtual blink::WebSandboxSupport* sandboxSupport() {
    return NULL;
  }
};

RenderViewTest::RendererWebKitPlatformSupportImplNoSandbox::
    RendererWebKitPlatformSupportImplNoSandbox() {
  webkit_platform_support_.reset(
      new RendererWebKitPlatformSupportImplNoSandboxImpl());
}

RenderViewTest::RendererWebKitPlatformSupportImplNoSandbox::
    ~RendererWebKitPlatformSupportImplNoSandbox() {
}

blink::Platform*
    RenderViewTest::RendererWebKitPlatformSupportImplNoSandbox::Get() {
  return webkit_platform_support_.get();
}

RenderViewTest::RenderViewTest()
    : view_(NULL) {
}

RenderViewTest::~RenderViewTest() {
}

void RenderViewTest::ProcessPendingMessages() {
  msg_loop_.PostTask(FROM_HERE, base::MessageLoop::QuitClosure());
  msg_loop_.Run();
}

WebFrame* RenderViewTest::GetMainFrame() {
  return view_->GetWebView()->mainFrame();
}

void RenderViewTest::ExecuteJavaScript(const char* js) {
  GetMainFrame()->executeScript(WebScriptSource(WebString::fromUTF8(js)));
}

bool RenderViewTest::ExecuteJavaScriptAndReturnIntValue(
    const base::string16& script,
    int* int_result) {
  v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
  v8::Handle<v8::Value> result =
      GetMainFrame()->executeScriptAndReturnValue(WebScriptSource(script));
  if (result.IsEmpty() || !result->IsInt32())
    return false;

  if (int_result)
    *int_result = result->Int32Value();

  return true;
}

void RenderViewTest::LoadHTML(const char* html) {
  std::string url_str = "data:text/html;charset=utf-8,";
  url_str.append(html);
  GURL url(url_str);

  GetMainFrame()->loadRequest(WebURLRequest(url));

  // The load actually happens asynchronously, so we pump messages to process
  // the pending continuation.
  ProcessPendingMessages();
}

void RenderViewTest::GoBack(const blink::WebHistoryItem& item) {
  GoToOffset(-1, item);
}

void RenderViewTest::GoForward(const blink::WebHistoryItem& item) {
  GoToOffset(1, item);
}

void RenderViewTest::SetUp() {
  content_client_.reset(CreateContentClient());
  content_browser_client_.reset(CreateContentBrowserClient());
  content_renderer_client_.reset(CreateContentRendererClient());
  SetContentClient(content_client_.get());
  SetBrowserClientForTesting(content_browser_client_.get());
  SetRendererClientForTesting(content_renderer_client_.get());

  // Subclasses can set render_thread_ with their own implementation before
  // calling RenderViewTest::SetUp().
  if (!render_thread_)
    render_thread_.reset(new MockRenderThread());
  render_thread_->set_routing_id(kRouteId);
  render_thread_->set_surface_id(kSurfaceId);
  render_thread_->set_new_window_routing_id(kNewWindowRouteId);
  render_thread_->set_new_frame_routing_id(kNewFrameRouteId);

#if defined(OS_MACOSX)
  autorelease_pool_.reset(new base::mac::ScopedNSAutoreleasePool());
#endif
  command_line_.reset(new CommandLine(CommandLine::NO_PROGRAM));
  params_.reset(new MainFunctionParams(*command_line_));
  platform_.reset(new RendererMainPlatformDelegate(*params_));
  platform_->PlatformInitialize();

  // Setting flags and really doing anything with WebKit is fairly fragile and
  // hacky, but this is the world we live in...
  std::string flags("--expose-gc");
  v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size()));
  blink::initialize(webkit_platform_support_.Get());

  // Ensure that we register any necessary schemes when initializing WebKit,
  // since we are using a MockRenderThread.
  RenderThreadImpl::RegisterSchemes();

  // This check is needed because when run under content_browsertests,
  // ResourceBundle isn't initialized (since we have to use a diferent test
  // suite implementation than for content_unittests). For browser_tests, this
  // is already initialized.
  if (!ResourceBundle::HasSharedInstance())
    ResourceBundle::InitSharedInstanceWithLocale("en-US", NULL);

  mock_process_.reset(new MockRenderProcess);

  // This needs to pass the mock render thread to the view.
  RenderViewImpl* view =
      RenderViewImpl::Create(kOpenerId,
                             RendererPreferences(),
                             WebPreferences(),
                             kRouteId,
                             kMainFrameRouteId,
                             kSurfaceId,
                             kInvalidSessionStorageNamespaceId,
                             base::string16(),
                             false,  // is_renderer_created
                             false,  // swapped_out
                             false,  // hidden
                             1,      // next_page_id
                             blink::WebScreenInfo(),
                             AccessibilityModeOff);
  view->AddRef();
  view_ = view;
}

void RenderViewTest::TearDown() {
  // Try very hard to collect garbage before shutting down.
  // "5" was chosen following http://crbug.com/46571#c9
  const int kGCIterations = 5;
  for (int i = 0; i < kGCIterations; i++)
    GetMainFrame()->collectGarbage();

  // Run the loop so the release task from the renderwidget executes.
  ProcessPendingMessages();

  for (int i = 0; i < kGCIterations; i++)
    GetMainFrame()->collectGarbage();

  render_thread_->SendCloseMessage();
  view_ = NULL;
  mock_process_.reset();

  // After telling the view to close and resetting mock_process_ we may get
  // some new tasks which need to be processed before shutting down WebKit
  // (http://crbug.com/21508).
  base::RunLoop().RunUntilIdle();

#if defined(OS_MACOSX)
  // Needs to run before blink::shutdown().
  autorelease_pool_.reset(NULL);
#endif

  blink::shutdown();

  platform_->PlatformUninitialize();
  platform_.reset();
  params_.reset();
  command_line_.reset();
}

void RenderViewTest::SendNativeKeyEvent(
    const NativeWebKeyboardEvent& key_event) {
  SendWebKeyboardEvent(key_event);
}

void RenderViewTest::SendWebKeyboardEvent(
    const blink::WebKeyboardEvent& key_event) {
  RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
  impl->OnMessageReceived(
      InputMsg_HandleInputEvent(0, &key_event, ui::LatencyInfo(), false));
}

void RenderViewTest::SendWebMouseEvent(
    const blink::WebMouseEvent& mouse_event) {
  RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
  impl->OnMessageReceived(
      InputMsg_HandleInputEvent(0, &mouse_event, ui::LatencyInfo(), false));
}

const char* const kGetCoordinatesScript =
    "(function() {"
    "  function GetCoordinates(elem) {"
    "    if (!elem)"
    "      return [ 0, 0];"
    "    var coordinates = [ elem.offsetLeft, elem.offsetTop];"
    "    var parent_coordinates = GetCoordinates(elem.offsetParent);"
    "    coordinates[0] += parent_coordinates[0];"
    "    coordinates[1] += parent_coordinates[1];"
    "    return coordinates;"
    "  };"
    "  var elem = document.getElementById('$1');"
    "  if (!elem)"
    "    return null;"
    "  var bounds = GetCoordinates(elem);"
    "  bounds[2] = elem.offsetWidth;"
    "  bounds[3] = elem.offsetHeight;"
    "  return bounds;"
    "})();";
gfx::Rect RenderViewTest::GetElementBounds(const std::string& element_id) {
  std::vector<std::string> params;
  params.push_back(element_id);
  std::string script =
      ReplaceStringPlaceholders(kGetCoordinatesScript, params, NULL);

  v8::Isolate* isolate = v8::Isolate::GetCurrent();
  v8::HandleScope handle_scope(isolate);
  v8::Handle<v8::Value>  value = GetMainFrame()->executeScriptAndReturnValue(
      WebScriptSource(WebString::fromUTF8(script)));
  if (value.IsEmpty() || !value->IsArray())
    return gfx::Rect();

  v8::Handle<v8::Array> array = value.As<v8::Array>();
  if (array->Length() != 4)
    return gfx::Rect();
  std::vector<int> coords;
  for (int i = 0; i < 4; ++i) {
    v8::Handle<v8::Number> index = v8::Number::New(isolate, i);
    v8::Local<v8::Value> value = array->Get(index);
    if (value.IsEmpty() || !value->IsInt32())
      return gfx::Rect();
    coords.push_back(value->Int32Value());
  }
  return gfx::Rect(coords[0], coords[1], coords[2], coords[3]);
}

bool RenderViewTest::SimulateElementClick(const std::string& element_id) {
  gfx::Rect bounds = GetElementBounds(element_id);
  if (bounds.IsEmpty())
    return false;
  WebMouseEvent mouse_event;
  mouse_event.type = WebInputEvent::MouseDown;
  mouse_event.button = WebMouseEvent::ButtonLeft;
  mouse_event.x = bounds.CenterPoint().x();
  mouse_event.y = bounds.CenterPoint().y();
  mouse_event.clickCount = 1;
  scoped_ptr<IPC::Message> input_message(
      new InputMsg_HandleInputEvent(0, &mouse_event, ui::LatencyInfo(), false));
  RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
  impl->OnMessageReceived(*input_message);
  return true;
}

void RenderViewTest::SetFocused(const blink::WebNode& node) {
  RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
  impl->focusedNodeChanged(node);
}

void RenderViewTest::ClearHistory() {
  RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
  impl->page_id_ = -1;
  impl->history_list_offset_ = -1;
  impl->history_list_length_ = 0;
  impl->history_page_ids_.clear();
}

void RenderViewTest::Reload(const GURL& url) {
  FrameMsg_Navigate_Params params;
  params.url = url;
  params.navigation_type = FrameMsg_Navigate_Type::RELOAD;
  RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
  impl->main_render_frame()->OnNavigate(params);
}

uint32 RenderViewTest::GetNavigationIPCType() {
  return FrameHostMsg_DidCommitProvisionalLoad::ID;
}

void RenderViewTest::Resize(gfx::Size new_size,
                            gfx::Rect resizer_rect,
                            bool is_fullscreen) {
  ViewMsg_Resize_Params params;
  params.screen_info = blink::WebScreenInfo();
  params.new_size = new_size;
  params.physical_backing_size = new_size;
  params.overdraw_bottom_height = 0.f;
  params.resizer_rect = resizer_rect;
  params.is_fullscreen = is_fullscreen;
  scoped_ptr<IPC::Message> resize_message(new ViewMsg_Resize(0, params));
  OnMessageReceived(*resize_message);
}

bool RenderViewTest::OnMessageReceived(const IPC::Message& msg) {
  RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
  return impl->OnMessageReceived(msg);
}

void RenderViewTest::DidNavigateWithinPage(blink::WebLocalFrame* frame,
                                           bool is_new_navigation) {
  RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
  impl->main_render_frame()->didNavigateWithinPage(
      frame,
      blink::WebHistoryItem(),
      is_new_navigation ? blink::WebStandardCommit
                        : blink::WebHistoryInertCommit);
}

void RenderViewTest::SendContentStateImmediately() {
  RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
  impl->set_send_content_state_immediately(true);
}

blink::WebWidget* RenderViewTest::GetWebWidget() {
  RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
  return impl->webwidget();
}


ContentClient* RenderViewTest::CreateContentClient() {
  return new ContentClient;
}

ContentBrowserClient* RenderViewTest::CreateContentBrowserClient() {
  return new ContentBrowserClient;
}

ContentRendererClient* RenderViewTest::CreateContentRendererClient() {
  return new ContentRendererClient;
}

void RenderViewTest::GoToOffset(int offset,
                                const blink::WebHistoryItem& history_item) {
  RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);

  int history_list_length = impl->historyBackListCount() +
                            impl->historyForwardListCount() + 1;
  int pending_offset = offset + impl->history_list_offset();

  FrameMsg_Navigate_Params navigate_params;
  navigate_params.navigation_type = FrameMsg_Navigate_Type::NORMAL;
  navigate_params.transition = PAGE_TRANSITION_FORWARD_BACK;
  navigate_params.current_history_list_length = history_list_length;
  navigate_params.current_history_list_offset = impl->history_list_offset();
  navigate_params.pending_history_list_offset = pending_offset;
  navigate_params.page_id = impl->GetPageId() + offset;
  navigate_params.page_state = HistoryItemToPageState(history_item);
  navigate_params.request_time = base::Time::Now();

  FrameMsg_Navigate navigate_message(impl->main_render_frame()->GetRoutingID(),
                                     navigate_params);
  impl->main_render_frame()->OnMessageReceived(navigate_message);

  // The load actually happens asynchronously, so we pump messages to process
  // the pending continuation.
  ProcessPendingMessages();
}

}  // namespace content