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// Copyright 2015 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/browser/frame_host/interstitial_page_impl.h"
#include "base/macros.h"
#include "base/strings/utf_string_conversions.h"
#include "base/synchronization/waitable_event.h"
#include "build/build_config.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/common/clipboard_messages.h"
#include "content/common/frame_messages.h"
#include "content/public/browser/browser_message_filter.h"
#include "content/public/browser/interstitial_page_delegate.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/test_utils.h"
#include "content/shell/browser/shell.h"
#include "ipc/message_filter.h"
#include "ui/base/clipboard/scoped_clipboard_writer.h"
#include "ui/base/test/test_clipboard.h"
namespace content {
namespace {
class TestInterstitialPageDelegate : public InterstitialPageDelegate {
private:
// InterstitialPageDelegate:
std::string GetHTMLContents() override {
return "<html>"
"<head>"
"<script>"
"function create_input_and_set_text(text) {"
" var input = document.createElement('input');"
" input.id = 'input';"
" document.body.appendChild(input);"
" document.getElementById('input').value = text;"
" input.addEventListener('input',"
" function() { document.title='TEXT_CHANGED'; });"
"}"
"function focus_select_input() {"
" document.getElementById('input').select();"
"}"
"function get_input_text() {"
" window.domAutomationController.send("
" document.getElementById('input').value);"
"}"
"function get_selection() {"
" window.domAutomationController.send("
" window.getSelection().toString());"
"}"
"</script>"
"</head>"
"<body>original body text</body>"
"</html>";
}
};
// A title watcher for interstitial pages. The existing TitleWatcher does not
// work for interstitial pages. Note that this title watcher waits for the
// title update IPC message not the actual title update. So, the new title is
// probably not propagated completely, yet.
class InterstitialTitleUpdateWatcher : public BrowserMessageFilter {
public:
explicit InterstitialTitleUpdateWatcher(InterstitialPage* interstitial)
: BrowserMessageFilter(FrameMsgStart) {
interstitial->GetMainFrame()->GetProcess()->AddFilter(this);
}
void InitWait(const std::string& expected_title) {
DCHECK(!run_loop_);
expected_title_ = base::UTF8ToUTF16(expected_title);
run_loop_.reset(new base::RunLoop());
}
void Wait() {
DCHECK(run_loop_);
run_loop_->Run();
run_loop_.reset();
}
private:
~InterstitialTitleUpdateWatcher() override {}
void OnTitleUpdateReceived(const base::string16& title) {
DCHECK(run_loop_);
if (title == expected_title_)
run_loop_->Quit();
}
// BrowserMessageFilter:
bool OnMessageReceived(const IPC::Message& message) override {
if (!run_loop_)
return false;
if (message.type() == FrameHostMsg_UpdateTitle::ID) {
FrameHostMsg_UpdateTitle::Param params;
if (FrameHostMsg_UpdateTitle::Read(&message, ¶ms)) {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&InterstitialTitleUpdateWatcher::OnTitleUpdateReceived,
this, base::get<0>(params)));
}
}
return false;
}
base::string16 expected_title_;
scoped_ptr<base::RunLoop> run_loop_;
DISALLOW_COPY_AND_ASSIGN(InterstitialTitleUpdateWatcher);
};
// A message filter that watches for WriteText and CommitWrite clipboard IPC
// messages to make sure cut/copy is working properly. It will mark these events
// as handled to prevent modification of the actual clipboard.
class ClipboardMessageWatcher : public IPC::MessageFilter {
public:
explicit ClipboardMessageWatcher(InterstitialPage* interstitial) {
interstitial->GetMainFrame()->GetProcess()->GetChannel()->AddFilter(this);
}
void InitWait() {
DCHECK(!run_loop_);
run_loop_.reset(new base::RunLoop());
}
void WaitForWriteCommit() {
DCHECK(run_loop_);
run_loop_->Run();
run_loop_.reset();
}
const std::string& last_text() const { return last_text_; }
private:
~ClipboardMessageWatcher() override {}
void OnWriteText(const std::string& text) { last_text_ = text; }
void OnCommitWrite() {
DCHECK(run_loop_);
run_loop_->Quit();
}
// IPC::MessageFilter:
bool OnMessageReceived(const IPC::Message& message) override {
if (!run_loop_)
return false;
if (message.type() == ClipboardHostMsg_WriteText::ID) {
ClipboardHostMsg_WriteText::Param params;
if (ClipboardHostMsg_WriteText::Read(&message, ¶ms)) {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&ClipboardMessageWatcher::OnWriteText, this,
base::UTF16ToUTF8(base::get<1>(params))));
}
return true;
}
if (message.type() == ClipboardHostMsg_CommitWrite::ID) {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&ClipboardMessageWatcher::OnCommitWrite, this));
return true;
}
return false;
}
scoped_ptr<base::RunLoop> run_loop_;
std::string last_text_;
DISALLOW_COPY_AND_ASSIGN(ClipboardMessageWatcher);
};
} // namespace
class InterstitialPageImplTest : public ContentBrowserTest {
public:
InterstitialPageImplTest() {}
~InterstitialPageImplTest() override {}
protected:
void SetUpTestClipboard() {
#if defined(OS_WIN)
// On Windows, clipboard reads are handled on the IO thread. So, the test
// clipboard should be created for the IO thread.
if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
RunTaskOnIOThreadAndWait(
base::Bind(&InterstitialPageImplTest::SetUpTestClipboard, this));
return;
}
#endif
ui::TestClipboard::CreateForCurrentThread();
}
void TearDownTestClipboard() {
#if defined(OS_WIN)
// On Windows, test clipboard is created for the IO thread. So, destroy it
// for the IO thread, too.
if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
RunTaskOnIOThreadAndWait(
base::Bind(&InterstitialPageImplTest::TearDownTestClipboard, this));
return;
}
#endif
ui::Clipboard::DestroyClipboardForCurrentThread();
}
void SetClipboardText(const std::string& text) {
#if defined(OS_WIN)
// On Windows, clipboard reads are handled on the IO thread. So, set the
// text for the IO thread clipboard.
if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
RunTaskOnIOThreadAndWait(
base::Bind(&InterstitialPageImplTest::SetClipboardText, this, text));
return;
}
#endif
ui::ScopedClipboardWriter clipboard_writer(ui::CLIPBOARD_TYPE_COPY_PASTE);
clipboard_writer.WriteText(base::ASCIIToUTF16(text));
}
void SetUpInterstitialPage() {
WebContentsImpl* web_contents =
static_cast<WebContentsImpl*>(shell()->web_contents());
// Create the interstitial page.
TestInterstitialPageDelegate* interstitial_delegate =
new TestInterstitialPageDelegate;
GURL url("http://interstitial");
interstitial_.reset(new InterstitialPageImpl(
web_contents, static_cast<RenderWidgetHostDelegate*>(web_contents),
true, url, interstitial_delegate));
interstitial_->Show();
WaitForInterstitialAttach(web_contents);
// Focus the interstitial frame
FrameTree* frame_tree = static_cast<RenderViewHostDelegate*>(
interstitial_.get())->GetFrameTree();
frame_tree->SetFocusedFrame(frame_tree->root(),
frame_tree->GetMainFrame()->GetSiteInstance());
clipboard_message_watcher_ =
new ClipboardMessageWatcher(interstitial_.get());
title_update_watcher_ =
new InterstitialTitleUpdateWatcher(interstitial_.get());
// Wait until page loads completely.
ASSERT_TRUE(WaitForRenderFrameReady(interstitial_->GetMainFrame()));
}
void TearDownInterstitialPage() {
// Close the interstitial.
interstitial_->DontProceed();
WaitForInterstitialDetach(shell()->web_contents());
interstitial_.reset();
}
bool FocusInputAndSelectText() {
return ExecuteScript(interstitial_->GetMainFrame(), "focus_select_input()");
}
bool GetInputText(std::string* input_text) {
return ExecuteScriptAndExtractString(interstitial_->GetMainFrame(),
"get_input_text()", input_text);
}
bool GetSelection(std::string* input_text) {
return ExecuteScriptAndExtractString(interstitial_->GetMainFrame(),
"get_selection()", input_text);
}
bool CreateInputAndSetText(const std::string& text) {
return ExecuteScript(interstitial_->GetMainFrame(),
"create_input_and_set_text('" + text + "')");
}
std::string PerformCut() {
clipboard_message_watcher_->InitWait();
title_update_watcher_->InitWait("TEXT_CHANGED");
RenderFrameHostImpl* rfh =
static_cast<RenderFrameHostImpl*>(interstitial_->GetMainFrame());
rfh->GetRenderWidgetHost()->delegate()->Cut();
clipboard_message_watcher_->WaitForWriteCommit();
title_update_watcher_->Wait();
return clipboard_message_watcher_->last_text();
}
std::string PerformCopy() {
clipboard_message_watcher_->InitWait();
RenderFrameHostImpl* rfh =
static_cast<RenderFrameHostImpl*>(interstitial_->GetMainFrame());
rfh->GetRenderWidgetHost()->delegate()->Copy();
clipboard_message_watcher_->WaitForWriteCommit();
return clipboard_message_watcher_->last_text();
}
void PerformPaste() {
title_update_watcher_->InitWait("TEXT_CHANGED");
RenderFrameHostImpl* rfh =
static_cast<RenderFrameHostImpl*>(interstitial_->GetMainFrame());
rfh->GetRenderWidgetHost()->delegate()->Paste();
title_update_watcher_->Wait();
}
void PerformSelectAll() {
RenderFrameHostImpl* rfh =
static_cast<RenderFrameHostImpl*>(interstitial_->GetMainFrame());
rfh->GetRenderWidgetHost()->delegate()->SelectAll();
}
private:
void RunTaskOnIOThreadAndWait(const base::Closure& task) {
base::WaitableEvent completion(false, false);
BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
base::Bind(&InterstitialPageImplTest::RunTask, this,
task, &completion));
completion.Wait();
}
void RunTask(const base::Closure& task, base::WaitableEvent* completion) {
task.Run();
completion->Signal();
}
scoped_ptr<InterstitialPageImpl> interstitial_;
scoped_refptr<ClipboardMessageWatcher> clipboard_message_watcher_;
scoped_refptr<InterstitialTitleUpdateWatcher> title_update_watcher_;
DISALLOW_COPY_AND_ASSIGN(InterstitialPageImplTest);
};
IN_PROC_BROWSER_TEST_F(InterstitialPageImplTest, Cut) {
SetUpInterstitialPage();
ASSERT_TRUE(CreateInputAndSetText("text-to-cut"));
ASSERT_TRUE(FocusInputAndSelectText());
std::string clipboard_text = PerformCut();
EXPECT_EQ("text-to-cut", clipboard_text);
std::string input_text;
ASSERT_TRUE(GetInputText(&input_text));
EXPECT_EQ(std::string(), input_text);
TearDownInterstitialPage();
}
IN_PROC_BROWSER_TEST_F(InterstitialPageImplTest, Copy) {
SetUpInterstitialPage();
ASSERT_TRUE(CreateInputAndSetText("text-to-copy"));
ASSERT_TRUE(FocusInputAndSelectText());
std::string clipboard_text = PerformCopy();
EXPECT_EQ("text-to-copy", clipboard_text);
std::string input_text;
ASSERT_TRUE(GetInputText(&input_text));
EXPECT_EQ("text-to-copy", input_text);
TearDownInterstitialPage();
}
IN_PROC_BROWSER_TEST_F(InterstitialPageImplTest, Paste) {
SetUpTestClipboard();
SetUpInterstitialPage();
SetClipboardText("text-to-paste");
ASSERT_TRUE(CreateInputAndSetText(std::string()));
ASSERT_TRUE(FocusInputAndSelectText());
PerformPaste();
std::string input_text;
ASSERT_TRUE(GetInputText(&input_text));
EXPECT_EQ("text-to-paste", input_text);
TearDownInterstitialPage();
TearDownTestClipboard();
}
IN_PROC_BROWSER_TEST_F(InterstitialPageImplTest, SelectAll) {
SetUpInterstitialPage();
std::string input_text;
ASSERT_TRUE(GetSelection(&input_text));
EXPECT_EQ(std::string(), input_text);
PerformSelectAll();
ASSERT_TRUE(GetSelection(&input_text));
EXPECT_EQ("original body text", input_text);
TearDownInterstitialPage();
}
} // namespace content
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