browser/browser_plugin/browser_plugin_host_browsertest.cc

// Copyright 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 "base/command_line.h"
#include "base/memory/singleton.h"
#include "base/run_loop.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/test_timeouts.h"
#include "content/browser/browser_plugin/browser_plugin_guest.h"
#include "content/browser/browser_plugin/browser_plugin_host_factory.h"
#include "content/browser/browser_plugin/test_browser_plugin_embedder.h"
#include "content/browser/browser_plugin/test_browser_plugin_guest.h"
#include "content/browser/browser_plugin/test_browser_plugin_guest_manager.h"
#include "content/browser/child_process_security_policy_impl.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/common/view_messages.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_view_host_observer.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/drop_data.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/test_utils.h"
#include "content/shell/shell.h"
#include "content/test/content_browser_test.h"
#include "content/test/content_browser_test_utils.h"
#include "net/base/net_util.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "net/test/embedded_test_server/http_request.h"
#include "net/test/embedded_test_server/http_response.h"
#include "net/test/spawned_test_server/spawned_test_server.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"

using WebKit::WebInputEvent;
using WebKit::WebMouseEvent;
using content::BrowserPluginEmbedder;
using content::BrowserPluginGuest;
using content::BrowserPluginHostFactory;
using content::WebContentsImpl;

namespace {

const char kHTMLForGuest[] =
    "data:text/html,<html><body>hello world</body></html>";
const char kHTMLForGuestBusyLoop[] =
    "data:text/html,<html><head><script type=\"text/javascript\">"
    "function PauseMs(timems) {"
    "  document.title = \"start\";"
    "  var date = new Date();"
    "  var currDate = null;"
    "  do {"
    "    currDate = new Date();"
    "  } while (currDate - date < timems)"
    "}"
    "function StartPauseMs(timems) {"
    "  setTimeout(function() { PauseMs(timems); }, 0);"
    "}"
    "</script></head><body></body></html>";
const char kHTMLForGuestTouchHandler[] =
    "data:text/html,<html><body><div id=\"touch\">With touch</div></body>"
    "<script type=\"text/javascript\">"
    "function handler() {}"
    "function InstallTouchHandler() { "
    "  document.getElementById(\"touch\").addEventListener(\"touchstart\", "
    "     handler);"
    "}"
    "function UninstallTouchHandler() { "
    "  document.getElementById(\"touch\").removeEventListener(\"touchstart\", "
    "     handler);"
    "}"
    "</script></html>";
const char kHTMLForGuestWithTitle[] =
    "data:text/html,"
    "<html><head><title>%s</title></head>"
    "<body>hello world</body>"
    "</html>";
const char kHTMLForGuestAcceptDrag[] =
    "data:text/html,<html><body>"
    "<script>"
    "function dropped() {"
    "  document.title = \"DROPPED\";"
    "}"
    "</script>"
    "<textarea id=\"text\" style=\"width:100%; height: 100%\""
    "    ondrop=\"dropped();\">"
    "</textarea>"
    "</body></html>";
const char kHTMLForGuestWithSize[] =
    "data:text/html,"
    "<html>"
    "<body style=\"margin: 0px;\">"
    "<img style=\"width: 100%; height: 400px;\"/>"
    "</body>"
    "</html>";

std::string GetHTMLForGuestWithTitle(const std::string& title) {
  return base::StringPrintf(kHTMLForGuestWithTitle, title.c_str());
}

}  // namespace

namespace content {

// Test factory for creating test instances of BrowserPluginEmbedder and
// BrowserPluginGuest.
class TestBrowserPluginHostFactory : public BrowserPluginHostFactory {
 public:
  virtual BrowserPluginGuestManager*
      CreateBrowserPluginGuestManager() OVERRIDE {
    guest_manager_instance_count_++;
    if (message_loop_runner_.get())
      message_loop_runner_->Quit();
    return new TestBrowserPluginGuestManager();
  }

  virtual BrowserPluginGuest* CreateBrowserPluginGuest(
      int instance_id,
      WebContentsImpl* web_contents) OVERRIDE {
    return new TestBrowserPluginGuest(instance_id, web_contents);
  }

  // Also keeps track of number of instances created.
  virtual BrowserPluginEmbedder* CreateBrowserPluginEmbedder(
      WebContentsImpl* web_contents) OVERRIDE {

    return new TestBrowserPluginEmbedder(web_contents);
  }

  // Singleton getter.
  static TestBrowserPluginHostFactory* GetInstance() {
    return Singleton<TestBrowserPluginHostFactory>::get();
  }

  // Waits for at least one embedder to be created in the test. Returns true if
  // we have a guest, false if waiting times out.
  void WaitForGuestManagerCreation() {
    // Check if already have created an instance.
    if (guest_manager_instance_count_ > 0)
      return;
    // Wait otherwise.
    message_loop_runner_ = new MessageLoopRunner();
    message_loop_runner_->Run();
  }

 protected:
  TestBrowserPluginHostFactory() : guest_manager_instance_count_(0) {}
  virtual ~TestBrowserPluginHostFactory() {}

 private:
  // For Singleton.
  friend struct DefaultSingletonTraits<TestBrowserPluginHostFactory>;

  scoped_refptr<MessageLoopRunner> message_loop_runner_;
  int guest_manager_instance_count_;

  DISALLOW_COPY_AND_ASSIGN(TestBrowserPluginHostFactory);
};

// Test factory class for browser plugin that creates guests with short hang
// timeout.
class TestShortHangTimeoutGuestFactory : public TestBrowserPluginHostFactory {
 public:
  virtual BrowserPluginGuest* CreateBrowserPluginGuest(
      int instance_id, WebContentsImpl* web_contents) OVERRIDE {
    BrowserPluginGuest* guest =
        new TestBrowserPluginGuest(instance_id, web_contents);
    guest->set_guest_hang_timeout_for_testing(TestTimeouts::tiny_timeout());
    return guest;
  }

  // Singleton getter.
  static TestShortHangTimeoutGuestFactory* GetInstance() {
    return Singleton<TestShortHangTimeoutGuestFactory>::get();
  }

 protected:
  TestShortHangTimeoutGuestFactory() {}
  virtual ~TestShortHangTimeoutGuestFactory() {}

 private:
  // For Singleton.
  friend struct DefaultSingletonTraits<TestShortHangTimeoutGuestFactory>;

  DISALLOW_COPY_AND_ASSIGN(TestShortHangTimeoutGuestFactory);
};

// A transparent observer that can be used to verify that a RenderViewHost
// received a specific message.
class RenderViewHostMessageObserver : public RenderViewHostObserver {
 public:
  RenderViewHostMessageObserver(RenderViewHost* host,
                                uint32 message_id)
      : RenderViewHostObserver(host),
        message_id_(message_id),
        message_received_(false) {
  }

  virtual ~RenderViewHostMessageObserver() {}

  void WaitUntilMessageReceived() {
    if (message_received_)
      return;
    message_loop_runner_ = new MessageLoopRunner();
    message_loop_runner_->Run();
  }

  void ResetState() {
    message_received_ = false;
  }

  // IPC::Listener implementation.
  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
    if (message.type() == message_id_) {
      message_received_ = true;
      if (message_loop_runner_.get())
        message_loop_runner_->Quit();
    }
    return false;
  }

 private:
  scoped_refptr<MessageLoopRunner> message_loop_runner_;
  uint32 message_id_;
  bool message_received_;

  DISALLOW_COPY_AND_ASSIGN(RenderViewHostMessageObserver);
};

class BrowserPluginHostTest : public ContentBrowserTest {
 public:
  BrowserPluginHostTest()
      : test_embedder_(NULL),
        test_guest_(NULL),
        test_guest_manager_(NULL) {}

  virtual void SetUp() OVERRIDE {
    // Override factory to create tests instances of BrowserPlugin*.
    content::BrowserPluginEmbedder::set_factory_for_testing(
        TestBrowserPluginHostFactory::GetInstance());
    content::BrowserPluginGuest::set_factory_for_testing(
        TestBrowserPluginHostFactory::GetInstance());
    content::BrowserPluginGuestManager::set_factory_for_testing(
        TestBrowserPluginHostFactory::GetInstance());

    // On legacy windows, the AcceptDragEvents test needs this to pass.
#if defined(OS_WIN) && !defined(USE_AURA)
    UseRealGLBindings();
#endif

    ContentBrowserTest::SetUp();
  }
  virtual void TearDown() OVERRIDE {
    content::BrowserPluginEmbedder::set_factory_for_testing(NULL);
    content::BrowserPluginGuest::set_factory_for_testing(NULL);

    ContentBrowserTest::TearDown();
  }

  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
    // Enable browser plugin in content_shell for running test.
    command_line->AppendSwitch(switches::kEnableBrowserPluginForAllViewTypes);
  }

  static void SimulateSpaceKeyPress(WebContents* web_contents) {
    SimulateKeyPress(web_contents,
                     ui::VKEY_SPACE,
                     false,   // control.
                     false,   // shift.
                     false,   // alt.
                     false);  // command.
  }

  static void SimulateTabKeyPress(WebContents* web_contents) {
    SimulateKeyPress(web_contents,
                     ui::VKEY_TAB,
                     false,   // control.
                     false,   // shift.
                     false,   // alt.
                     false);  // command.
  }

  // Executes the javascript synchronously and makes sure the returned value is
  // freed properly.
  void ExecuteSyncJSFunction(RenderViewHost* rvh, const std::string& jscript) {
    scoped_ptr<base::Value> value =
        content::ExecuteScriptAndGetValue(rvh, jscript);
  }

  bool IsAttributeNull(RenderViewHost* rvh, const std::string& attribute) {
    scoped_ptr<base::Value> value = content::ExecuteScriptAndGetValue(rvh,
        "document.getElementById('plugin').getAttribute('" + attribute + "');");
    return value->GetType() == Value::TYPE_NULL;
  }

  // Removes all attributes in the comma-delimited string |attributes|.
  void RemoveAttributes(RenderViewHost* rvh, const std::string& attributes) {
    std::vector<std::string> attributes_list;
    base::SplitString(attributes, ',', &attributes_list);
    std::vector<std::string>::const_iterator itr;
    for (itr = attributes_list.begin(); itr != attributes_list.end(); ++itr) {
      ExecuteSyncJSFunction(rvh, "document.getElementById('plugin')"
                                 "." + *itr + " = null;");
    }
  }

  // This helper method does the following:
  // 1. Start the test server and navigate the shell to |embedder_url|.
  // 2. Execute custom pre-navigation |embedder_code| if provided.
  // 3. Navigate the guest to the |guest_url|.
  // 4. Verify that the guest has been created and has completed loading.
  void StartBrowserPluginTest(const std::string& embedder_url,
                              const std::string& guest_url,
                              bool is_guest_data_url,
                              const std::string& embedder_code) {
    ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
    GURL test_url(embedded_test_server()->GetURL(embedder_url));
    NavigateToURL(shell(), test_url);

    WebContentsImpl* embedder_web_contents = static_cast<WebContentsImpl*>(
        shell()->web_contents());
    RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
        embedder_web_contents->GetRenderViewHost());
    // Focus the embedder.
    rvh->Focus();
    // Activative IME.
    rvh->SetInputMethodActive(true);

    // Allow the test to do some operations on the embedder before we perform
    // the first navigation of the guest.
    if (!embedder_code.empty())
      ExecuteSyncJSFunction(rvh, embedder_code);

    if (!is_guest_data_url) {
      test_url = embedded_test_server()->GetURL(guest_url);
      ExecuteSyncJSFunction(
          rvh, base::StringPrintf("SetSrc('%s');", test_url.spec().c_str()));
    } else {
      ExecuteSyncJSFunction(
          rvh, base::StringPrintf("SetSrc('%s');", guest_url.c_str()));
    }

    // Wait to make sure embedder is created/attached to WebContents.
    TestBrowserPluginHostFactory::GetInstance()->WaitForGuestManagerCreation();

    test_embedder_ = static_cast<TestBrowserPluginEmbedder*>(
        embedder_web_contents->GetBrowserPluginEmbedder());
    ASSERT_TRUE(test_embedder_);

    test_guest_manager_ = static_cast<TestBrowserPluginGuestManager*>(
        embedder_web_contents->GetBrowserPluginGuestManager());
    ASSERT_TRUE(test_guest_manager_);

    test_guest_manager_->WaitForGuestAdded();

    // Verify that we have exactly one guest.
    const TestBrowserPluginGuestManager::GuestInstanceMap& instance_map =
        test_guest_manager_->guest_web_contents_for_testing();
    EXPECT_EQ(1u, instance_map.size());

    WebContentsImpl* test_guest_web_contents = static_cast<WebContentsImpl*>(
        instance_map.begin()->second);
    test_guest_ = static_cast<TestBrowserPluginGuest*>(
        test_guest_web_contents->GetBrowserPluginGuest());
    test_guest_->WaitForLoadStop();
  }

  TestBrowserPluginEmbedder* test_embedder() const { return test_embedder_; }
  TestBrowserPluginGuest* test_guest() const { return test_guest_; }
  TestBrowserPluginGuestManager* test_guest_manager() const {
    return test_guest_manager_;
  }

 private:
  TestBrowserPluginEmbedder* test_embedder_;
  TestBrowserPluginGuest* test_guest_;
  TestBrowserPluginGuestManager* test_guest_manager_;
  DISALLOW_COPY_AND_ASSIGN(BrowserPluginHostTest);
};

// This test ensures that if guest isn't there and we resize the guest (from
// js), it remembers the size correctly.
//
// Initially we load an embedder with a guest without a src attribute (which has
// dimension 640x480), resize it to 100x200, and then we set the source to a
// sample guest. In the end we verify that the correct size has been set.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, NavigateAfterResize) {
  const gfx::Size nxt_size = gfx::Size(100, 200);
  const std::string embedder_code = base::StringPrintf(
      "SetSize(%d, %d);", nxt_size.width(), nxt_size.height());
  const char kEmbedderURL[] = "/browser_plugin_embedder.html";
  StartBrowserPluginTest(kEmbedderURL, kHTMLForGuest, true, embedder_code);

  // Wait for the guest to receive a damage buffer of size 100x200.
  // This means the guest will be painted properly at that size.
  test_guest()->WaitForDamageBufferWithSize(nxt_size);
}

IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, AdvanceFocus) {
  const char kEmbedderURL[] = "/browser_plugin_focus.html";
  const char* kGuestURL = "/browser_plugin_focus_child.html";
  StartBrowserPluginTest(kEmbedderURL, kGuestURL, false, std::string());

  SimulateMouseClick(test_embedder()->web_contents(), 0,
      WebKit::WebMouseEvent::ButtonLeft);
  BrowserPluginHostTest::SimulateTabKeyPress(test_embedder()->web_contents());
  // Wait until we focus into the guest.
  test_guest()->WaitForFocus();

  // TODO(fsamuel): A third Tab key press should not be necessary.
  // The browser plugin will take keyboard focus but it will not
  // focus an initial element. The initial element is dependent
  // upon tab direction which WebKit does not propagate to the plugin.
  // See http://crbug.com/147644.
  BrowserPluginHostTest::SimulateTabKeyPress(test_embedder()->web_contents());
  BrowserPluginHostTest::SimulateTabKeyPress(test_embedder()->web_contents());
  BrowserPluginHostTest::SimulateTabKeyPress(test_embedder()->web_contents());
  test_guest()->WaitForAdvanceFocus();
}

// This test opens a page in http and then opens another page in https, forcing
// a RenderViewHost swap in the web_contents. We verify that the embedder in the
// web_contents gets cleared properly.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, EmbedderChangedAfterSwap) {
  net::SpawnedTestServer https_server(
      net::SpawnedTestServer::TYPE_HTTPS,
      net::SpawnedTestServer::kLocalhost,
      base::FilePath(FILE_PATH_LITERAL("content/test/data")));
  ASSERT_TRUE(https_server.Start());

  // 1. Load an embedder page with one guest in it.
  const char kEmbedderURL[] = "/browser_plugin_embedder.html";
  StartBrowserPluginTest(kEmbedderURL, kHTMLForGuest, true, std::string());

  // 2. Navigate to a URL in https, so we trigger a RenderViewHost swap.
  GURL test_https_url(https_server.GetURL(
      "files/browser_plugin_title_change.html"));
  content::WindowedNotificationObserver swap_observer(
      content::NOTIFICATION_WEB_CONTENTS_SWAPPED,
      content::Source<WebContents>(test_embedder()->web_contents()));
  NavigateToURL(shell(), test_https_url);
  swap_observer.Wait();

  TestBrowserPluginEmbedder* test_embedder_after_swap =
      static_cast<TestBrowserPluginEmbedder*>(
          static_cast<WebContentsImpl*>(shell()->web_contents())->
              GetBrowserPluginEmbedder());
  // Verify we have a no embedder in web_contents (since the new page doesn't
  // have any browser plugin).
  ASSERT_TRUE(!test_embedder_after_swap);
  ASSERT_NE(test_embedder(), test_embedder_after_swap);
}

// This test opens two pages in http and there is no RenderViewHost swap,
// therefore the embedder created on first page navigation stays the same in
// web_contents.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, EmbedderSameAfterNav) {
  const char kEmbedderURL[] = "/browser_plugin_embedder.html";
  StartBrowserPluginTest(kEmbedderURL, kHTMLForGuest, true, std::string());
  WebContentsImpl* embedder_web_contents = test_embedder()->web_contents();

  // Navigate to another page in same host and port, so RenderViewHost swap
  // does not happen and existing embedder doesn't change in web_contents.
  GURL test_url_new(embedded_test_server()->GetURL(
      "/browser_plugin_title_change.html"));
  const string16 expected_title = ASCIIToUTF16("done");
  content::TitleWatcher title_watcher(shell()->web_contents(), expected_title);
  NavigateToURL(shell(), test_url_new);
  LOG(INFO) << "Start waiting for title";
  string16 actual_title = title_watcher.WaitAndGetTitle();
  EXPECT_EQ(expected_title, actual_title);
  LOG(INFO) << "Done navigating to second page";

  TestBrowserPluginEmbedder* test_embedder_after_nav =
      static_cast<TestBrowserPluginEmbedder*>(
          embedder_web_contents->GetBrowserPluginEmbedder());
  // Embedder must not change in web_contents.
  ASSERT_EQ(test_embedder_after_nav, test_embedder());
}

// This test verifies that hiding the embedder also hides the guest.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, BrowserPluginVisibilityChanged) {
  const char kEmbedderURL[] = "/browser_plugin_embedder.html";
  StartBrowserPluginTest(kEmbedderURL, kHTMLForGuest, true, std::string());

  // Hide the Browser Plugin.
  RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
      test_embedder()->web_contents()->GetRenderViewHost());
  ExecuteSyncJSFunction(
      rvh, "document.getElementById('plugin').style.visibility = 'hidden'");

  // Make sure that the guest is hidden.
  test_guest()->WaitUntilHidden();
}

IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, EmbedderVisibilityChanged) {
  const char kEmbedderURL[] = "/browser_plugin_embedder.html";
  StartBrowserPluginTest(kEmbedderURL, kHTMLForGuest, true, std::string());

  // Hide the embedder.
  test_embedder()->web_contents()->WasHidden();

  // Make sure that hiding the embedder also hides the guest.
  test_guest()->WaitUntilHidden();
}

// Verifies that installing/uninstalling touch-event handlers in the guest
// plugin correctly updates the touch-event handling state in the embedder.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, AcceptTouchEvents) {
  const char kEmbedderURL[] = "/browser_plugin_embedder.html";
  StartBrowserPluginTest(
      kEmbedderURL, kHTMLForGuestTouchHandler, true, std::string());

  RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
      test_embedder()->web_contents()->GetRenderViewHost());
  // The embedder should not have any touch event handlers at this point.
  EXPECT_FALSE(rvh->has_touch_handler());

  // Install the touch handler in the guest. This should cause the embedder to
  // start listening for touch events too.
  RenderViewHostMessageObserver observer(rvh,
      ViewHostMsg_HasTouchEventHandlers::ID);
  ExecuteSyncJSFunction(test_guest()->web_contents()->GetRenderViewHost(),
                        "InstallTouchHandler();");
  observer.WaitUntilMessageReceived();
  EXPECT_TRUE(rvh->has_touch_handler());

  // Uninstalling the touch-handler in guest should cause the embedder to stop
  // listening for touch events.
  observer.ResetState();
  ExecuteSyncJSFunction(test_guest()->web_contents()->GetRenderViewHost(),
                        "UninstallTouchHandler();");
  observer.WaitUntilMessageReceived();
  EXPECT_FALSE(rvh->has_touch_handler());
}

// This tests verifies that reloading the embedder does not crash the browser
// and that the guest is reset.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, ReloadEmbedder) {
  const char kEmbedderURL[] = "/browser_plugin_embedder.html";
  StartBrowserPluginTest(kEmbedderURL, kHTMLForGuest, true, std::string());
  RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
      test_embedder()->web_contents()->GetRenderViewHost());

  // Change the title of the page to 'modified' so that we know that
  // the page has successfully reloaded when it goes back to 'embedder'
  // in the next step.
  {
    const string16 expected_title = ASCIIToUTF16("modified");
    content::TitleWatcher title_watcher(test_embedder()->web_contents(),
                                        expected_title);

    ExecuteSyncJSFunction(rvh,
                          base::StringPrintf("SetTitle('%s');", "modified"));

    string16 actual_title = title_watcher.WaitAndGetTitle();
    EXPECT_EQ(expected_title, actual_title);
  }

  // Reload the embedder page, and verify that the reload was successful.
  // Then navigate the guest to verify that the browser process does not crash.
  {
    const string16 expected_title = ASCIIToUTF16("embedder");
    content::TitleWatcher title_watcher(test_embedder()->web_contents(),
                                        expected_title);

    test_embedder()->web_contents()->GetController().Reload(false);
    string16 actual_title = title_watcher.WaitAndGetTitle();
    EXPECT_EQ(expected_title, actual_title);

    ExecuteSyncJSFunction(
        test_embedder()->web_contents()->GetRenderViewHost(),
        base::StringPrintf("SetSrc('%s');", kHTMLForGuest));
    test_guest_manager()->WaitForGuestAdded();

    const TestBrowserPluginGuestManager::GuestInstanceMap& instance_map =
        test_guest_manager()->guest_web_contents_for_testing();
    WebContentsImpl* test_guest_web_contents = static_cast<WebContentsImpl*>(
        instance_map.begin()->second);
    TestBrowserPluginGuest* new_test_guest =
        static_cast<TestBrowserPluginGuest*>(
          test_guest_web_contents->GetBrowserPluginGuest());
    ASSERT_TRUE(new_test_guest != NULL);

    // Wait for the guest to send an UpdateRectMsg, meaning it is ready.
    new_test_guest->WaitForUpdateRectMsg();
  }
}

// Always failing in the win7_aura try bot.  See http://crbug.com/181107.
#if defined(OS_WIN) && defined(USE_AURA)
#define MAYBE_AcceptDragEvents DISABLED_AcceptDragEvents
#else
#define MAYBE_AcceptDragEvents AcceptDragEvents
#endif

// Tests that a drag-n-drop over the browser plugin in the embedder happens
// correctly.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, MAYBE_AcceptDragEvents) {
  const char kEmbedderURL[] = "/browser_plugin_dragging.html";
  StartBrowserPluginTest(
      kEmbedderURL, kHTMLForGuestAcceptDrag, true, std::string());

  RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
      test_embedder()->web_contents()->GetRenderViewHost());

  // Get a location in the embedder outside of the plugin.
  base::ListValue *start, *end;
  scoped_ptr<base::Value> value =
      content::ExecuteScriptAndGetValue(rvh, "dragLocation()");
  ASSERT_TRUE(value->GetAsList(&start) && start->GetSize() == 2);
  double start_x, start_y;
  ASSERT_TRUE(start->GetDouble(0, &start_x) && start->GetDouble(1, &start_y));

  // Get a location in the embedder that falls inside the plugin.
  value = content::ExecuteScriptAndGetValue(rvh, "dropLocation()");
  ASSERT_TRUE(value->GetAsList(&end) && end->GetSize() == 2);
  double end_x, end_y;
  ASSERT_TRUE(end->GetDouble(0, &end_x) && end->GetDouble(1, &end_y));

  DropData drop_data;
  GURL url = GURL("https://www.domain.com/index.html");
  drop_data.url = url;

  // Pretend that the URL is being dragged over the embedder. Start the drag
  // from outside the plugin, then move the drag inside the plugin and drop.
  // This should trigger appropriate messages from the embedder to the guest,
  // and end with a drop on the guest. The guest changes title when a drop
  // happens.
  const string16 expected_title = ASCIIToUTF16("DROPPED");
  content::TitleWatcher title_watcher(test_guest()->web_contents(),
      expected_title);

  rvh->DragTargetDragEnter(drop_data, gfx::Point(start_x, start_y),
      gfx::Point(start_x, start_y), WebKit::WebDragOperationEvery, 0);
  rvh->DragTargetDragOver(gfx::Point(end_x, end_y), gfx::Point(end_x, end_y),
      WebKit::WebDragOperationEvery, 0);
  rvh->DragTargetDrop(gfx::Point(end_x, end_y), gfx::Point(end_x, end_y), 0);

  string16 actual_title = title_watcher.WaitAndGetTitle();
  EXPECT_EQ(expected_title, actual_title);
}

// This test verifies that round trip postMessage works as expected.
// 1. The embedder posts a message 'testing123' to the guest.
// 2. The guest receives and replies to the message using the event object's
// source object: event.source.postMessage('foobar', '*')
// 3. The embedder receives the message and uses the event's source
// object to do one final reply: 'stop'
// 4. The guest receives the final 'stop' message.
// 5. The guest acks the 'stop' message with a 'stop_ack' message.
// 6. The embedder changes its title to 'main guest' when it sees the 'stop_ack'
// message.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, PostMessage) {
  const char* kTesting = "testing123";
  const char* kEmbedderURL = "/browser_plugin_embedder.html";
  const char* kGuestURL = "/browser_plugin_post_message_guest.html";
  StartBrowserPluginTest(kEmbedderURL, kGuestURL, false, std::string());
  RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
      test_embedder()->web_contents()->GetRenderViewHost());
  {
    const string16 expected_title = ASCIIToUTF16("main guest");
    content::TitleWatcher title_watcher(test_embedder()->web_contents(),
                                        expected_title);

    // By the time we get here 'contentWindow' should be ready because the
    // guest has completed loading.
    ExecuteSyncJSFunction(
        rvh, base::StringPrintf("PostMessage('%s, false');", kTesting));

    // The title will be updated to "main guest" at the last stage of the
    // process described above.
    string16 actual_title = title_watcher.WaitAndGetTitle();
    EXPECT_EQ(expected_title, actual_title);
  }
}

// This is the same as BrowserPluginHostTest.PostMessage but also
// posts a message to an iframe.
// TODO(fsamuel): This test should replace the previous test once postMessage
// iframe targeting is fixed (see http://crbug.com/153701).
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, DISABLED_PostMessageToIFrame) {
  const char* kTesting = "testing123";
  const char* kEmbedderURL = "/browser_plugin_embedder.html";
  const char* kGuestURL = "/browser_plugin_post_message_guest.html";
  StartBrowserPluginTest(kEmbedderURL, kGuestURL, false, std::string());
  RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
      test_embedder()->web_contents()->GetRenderViewHost());
  {
    const string16 expected_title = ASCIIToUTF16("main guest");
    content::TitleWatcher title_watcher(test_embedder()->web_contents(),
                                        expected_title);

    ExecuteSyncJSFunction(
        rvh, base::StringPrintf("PostMessage('%s, false');", kTesting));

    // The title will be updated to "main guest" at the last stage of the
    // process described above.
    string16 actual_title = title_watcher.WaitAndGetTitle();
    EXPECT_EQ(expected_title, actual_title);
  }
  {
    content::TitleWatcher ready_watcher(test_embedder()->web_contents(),
                                        ASCIIToUTF16("ready"));

    RenderViewHostImpl* guest_rvh = static_cast<RenderViewHostImpl*>(
        test_guest()->web_contents()->GetRenderViewHost());
    GURL test_url = embedded_test_server()->GetURL(
        "/browser_plugin_post_message_guest.html");
    ExecuteSyncJSFunction(
        guest_rvh,
        base::StringPrintf(
            "CreateChildFrame('%s');", test_url.spec().c_str()));

    string16 actual_title = ready_watcher.WaitAndGetTitle();
    EXPECT_EQ(ASCIIToUTF16("ready"), actual_title);

    content::TitleWatcher iframe_watcher(test_embedder()->web_contents(),
                                        ASCIIToUTF16("iframe"));
    ExecuteSyncJSFunction(
        rvh, base::StringPrintf("PostMessage('%s', true);", kTesting));

    // The title will be updated to "iframe" at the last stage of the
    // process described above.
    actual_title = iframe_watcher.WaitAndGetTitle();
    EXPECT_EQ(ASCIIToUTF16("iframe"), actual_title);
  }
}

// This test verifies that if a browser plugin is hidden before navigation,
// the guest starts off hidden.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, HiddenBeforeNavigation) {
  const char* kEmbedderURL = "/browser_plugin_embedder.html";
  const std::string embedder_code =
      "document.getElementById('plugin').style.visibility = 'hidden'";
  StartBrowserPluginTest(
      kEmbedderURL, kHTMLForGuest, true, embedder_code);
  EXPECT_FALSE(test_guest()->visible());
}

// This test verifies that if a browser plugin is focused before navigation then
// the guest starts off focused.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, FocusBeforeNavigation) {
  const char* kEmbedderURL = "/browser_plugin_embedder.html";
  const std::string embedder_code =
      "document.getElementById('plugin').focus();";
  StartBrowserPluginTest(
      kEmbedderURL, kHTMLForGuest, true, embedder_code);
  RenderViewHostImpl* guest_rvh = static_cast<RenderViewHostImpl*>(
      test_guest()->web_contents()->GetRenderViewHost());
  // Verify that the guest is focused.
  scoped_ptr<base::Value> value =
      content::ExecuteScriptAndGetValue(guest_rvh, "document.hasFocus()");
  bool result = false;
  ASSERT_TRUE(value->GetAsBoolean(&result));
  EXPECT_TRUE(result);
}

IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, FocusTracksEmbedder) {
  const char* kEmbedderURL = "/browser_plugin_embedder.html";
  StartBrowserPluginTest(kEmbedderURL, kHTMLForGuest, true, std::string());
  RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
      test_embedder()->web_contents()->GetRenderViewHost());
  RenderViewHostImpl* guest_rvh = static_cast<RenderViewHostImpl*>(
      test_guest()->web_contents()->GetRenderViewHost());
  {
    // Focus the BrowserPlugin. This will have the effect of also focusing the
    // current guest.
    ExecuteSyncJSFunction(rvh, "document.getElementById('plugin').focus();");
    // Verify that key presses go to the guest.
    SimulateSpaceKeyPress(test_embedder()->web_contents());
    test_guest()->WaitForInput();
    // Verify that the guest is focused.
    scoped_ptr<base::Value> value =
        content::ExecuteScriptAndGetValue(guest_rvh, "document.hasFocus()");
    bool result = false;
    ASSERT_TRUE(value->GetAsBoolean(&result));
    EXPECT_TRUE(result);
  }
  // Blur the embedder.
  test_embedder()->web_contents()->GetRenderViewHost()->Blur();
  test_guest()->WaitForBlur();
}

// This test verifies that if a browser plugin is in autosize mode before
// navigation then the guest starts auto-sized.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, AutoSizeBeforeNavigation) {
  const char* kEmbedderURL = "/browser_plugin_embedder.html";
  const std::string embedder_code =
      "document.getElementById('plugin').minwidth = 300;"
      "document.getElementById('plugin').minheight = 200;"
      "document.getElementById('plugin').maxwidth = 600;"
      "document.getElementById('plugin').maxheight = 400;"
      "document.getElementById('plugin').autosize = true;";
  StartBrowserPluginTest(
      kEmbedderURL, kHTMLForGuestWithSize, true, embedder_code);
  // Verify that the guest has been auto-sized.
  test_guest()->WaitForViewSize(gfx::Size(300, 400));
}

// This test verifies that enabling autosize resizes the guest and triggers
// a 'sizechanged' event.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, AutoSizeAfterNavigation) {
  const char* kEmbedderURL = "/browser_plugin_embedder.html";
  StartBrowserPluginTest(
      kEmbedderURL, kHTMLForGuestWithSize, true, std::string());
  RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
      test_embedder()->web_contents()->GetRenderViewHost());

  {
    const string16 expected_title = ASCIIToUTF16("AutoSize(300, 400)");
    content::TitleWatcher title_watcher(test_embedder()->web_contents(),
                                        expected_title);
    ExecuteSyncJSFunction(
        rvh,
        "document.getElementById('plugin').minwidth = 300;"
        "document.getElementById('plugin').minheight = 200;"
        "document.getElementById('plugin').maxwidth = 600;"
        "document.getElementById('plugin').maxheight = 400;"
        "document.getElementById('plugin').autosize = true;");
    string16 actual_title = title_watcher.WaitAndGetTitle();
    EXPECT_EQ(expected_title, actual_title);
  }
  {
    // Change the minwidth and verify that it causes relayout.
    const string16 expected_title = ASCIIToUTF16("AutoSize(350, 400)");
    content::TitleWatcher title_watcher(test_embedder()->web_contents(),
                                        expected_title);
    ExecuteSyncJSFunction(
        rvh, "document.getElementById('plugin').minwidth = 350;");
    string16 actual_title = title_watcher.WaitAndGetTitle();
    EXPECT_EQ(expected_title, actual_title);
  }
  {
    // Turn off autoSize and verify that the guest resizes to fit the container.
    ExecuteSyncJSFunction(
        rvh, "document.getElementById('plugin').autosize = null;");
    test_guest()->WaitForViewSize(gfx::Size(640, 480));
  }
}

// Test for regression http://crbug.com/162961.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, GetRenderViewHostAtPositionTest) {
  const char kEmbedderURL[] = "/browser_plugin_embedder.html";
  const std::string embedder_code =
      base::StringPrintf("SetSize(%d, %d);", 100, 100);
  StartBrowserPluginTest(kEmbedderURL, kHTMLForGuestWithSize, true,
                         embedder_code);
  // Check for render view host at position (150, 150) that is outside the
  // bounds of our guest, so this would respond with the render view host of the
  // embedder.
  test_embedder()->WaitForRenderViewHostAtPosition(150, 150);
  ASSERT_EQ(test_embedder()->web_contents()->GetRenderViewHost(),
            test_embedder()->last_rvh_at_position_response());
}

// This test verifies that all autosize attributes can be removed
// without crashing the plugin, or throwing errors.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, RemoveAutosizeAttributes) {
  const char* kEmbedderURL = "/browser_plugin_embedder.html";
  const std::string embedder_code =
      "document.getElementById('plugin').minwidth = 300;"
      "document.getElementById('plugin').minheight = 200;"
      "document.getElementById('plugin').maxwidth = 600;"
      "document.getElementById('plugin').maxheight = 400;"
      "document.getElementById('plugin').name = 'name';"
      "document.getElementById('plugin').src = 'foo';"
      "document.getElementById('plugin').autosize = '';";
  StartBrowserPluginTest(
      kEmbedderURL, kHTMLForGuestWithSize, true, embedder_code);
  RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
      test_embedder()->web_contents()->GetRenderViewHost());
  RemoveAttributes(rvh, "maxheight, maxwidth, minheight, minwidth, autosize");

  // Verify that the guest resizes to fit the container (and hasn't crashed).
  test_guest()->WaitForViewSize(gfx::Size(640, 480));
  EXPECT_TRUE(IsAttributeNull(rvh, "maxheight"));
  EXPECT_TRUE(IsAttributeNull(rvh, "maxwidth"));
  EXPECT_TRUE(IsAttributeNull(rvh, "minheight"));
  EXPECT_TRUE(IsAttributeNull(rvh, "minwidth"));
  EXPECT_TRUE(IsAttributeNull(rvh, "autosize"));
}

// This test verifies that autosize works when some of the parameters are unset.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, PartialAutosizeAttributes) {
  const char* kEmbedderURL = "/browser_plugin_embedder.html";
  const std::string embedder_code =
      "document.getElementById('plugin').minwidth = 300;"
      "document.getElementById('plugin').minheight = 200;"
      "document.getElementById('plugin').maxwidth = 700;"
      "document.getElementById('plugin').maxheight = 600;"
      "document.getElementById('plugin').autosize = '';";
  StartBrowserPluginTest(
      kEmbedderURL, kHTMLForGuestWithSize, true, embedder_code);
  RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
      test_embedder()->web_contents()->GetRenderViewHost());
  {
    // Remove an autosize attribute and verify that it causes relayout.
    const string16 expected_title = ASCIIToUTF16("AutoSize(640, 400)");
    content::TitleWatcher title_watcher(test_embedder()->web_contents(),
                                        expected_title);
    RemoveAttributes(rvh, "minwidth");
    string16 actual_title = title_watcher.WaitAndGetTitle();
    EXPECT_EQ(expected_title, actual_title);
  }
  {
    // Remove an autosize attribute and verify that it causes relayout.
    // Also tests that when minwidth > maxwidth, minwidth = maxwidth.
    const string16 expected_title = ASCIIToUTF16("AutoSize(700, 480)");
    content::TitleWatcher title_watcher(test_embedder()->web_contents(),
                                        expected_title);
    RemoveAttributes(rvh, "maxheight");
    ExecuteSyncJSFunction(
        rvh, "document.getElementById('plugin').minwidth = 800;"
             "document.getElementById('plugin').minheight = 800;");
    string16 actual_title = title_watcher.WaitAndGetTitle();
    EXPECT_EQ(expected_title, actual_title);
  }
  {
    // Remove maxwidth and make sure the size returns to plugin size.
    const string16 expected_title = ASCIIToUTF16("AutoSize(640, 480)");
    content::TitleWatcher title_watcher(test_embedder()->web_contents(),
                                        expected_title);
    RemoveAttributes(rvh, "maxwidth");
    string16 actual_title = title_watcher.WaitAndGetTitle();
    EXPECT_EQ(expected_title, actual_title);
  }
}

// This test verifies that if IME is enabled in the embedder, it is also enabled
// in the guest.
IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, VerifyInputMethodActive) {
  const char* kEmbedderURL = "/browser_plugin_embedder.html";
  StartBrowserPluginTest(kEmbedderURL, kHTMLForGuest, true, std::string());
  RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
      test_guest()->web_contents()->GetRenderViewHost());
  EXPECT_TRUE(rvh->input_method_active());
}

}  // namespace content