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// 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/shell/layout_test_controller_host.h"
#include <iostream>
#include "base/message_loop.h"
#include "content/public/browser/render_view_host.h"
#include "content/shell/shell_messages.h"
#include "webkit/support/webkit_support_gfx.h"
namespace content {
namespace {
const int kTestTimeoutMilliseconds = 30 * 1000;
} // namespace
std::map<RenderViewHost*, LayoutTestControllerHost*>
LayoutTestControllerHost::controllers_;
std::string LayoutTestControllerHost::expected_pixel_hash_;
// static
LayoutTestControllerHost* LayoutTestControllerHost::FromRenderViewHost(
RenderViewHost* render_view_host) {
const std::map<RenderViewHost*, LayoutTestControllerHost*>::iterator it =
controllers_.find(render_view_host);
if (it == controllers_.end())
return NULL;
return it->second;
}
// static
void LayoutTestControllerHost::Init(const std::string& expected_pixel_hash) {
// TODO(jochen): We should only dump the results for the "main window".
expected_pixel_hash_ = expected_pixel_hash;
}
LayoutTestControllerHost::LayoutTestControllerHost(
RenderViewHost* render_view_host)
: RenderViewHostObserver(render_view_host),
captured_dump_(false),
dump_as_text_(false),
dump_child_frames_(false),
is_printing_(false),
should_stay_on_page_after_handling_before_unload_(false),
wait_until_done_(false) {
controllers_[render_view_host] = this;
}
LayoutTestControllerHost::~LayoutTestControllerHost() {
controllers_.erase(render_view_host());
watchdog_.Cancel();
}
void LayoutTestControllerHost::CaptureDump() {
if (captured_dump_)
return;
captured_dump_ = true;
render_view_host()->Send(
new ShellViewMsg_CaptureTextDump(render_view_host()->GetRoutingID(),
dump_as_text_,
is_printing_,
dump_child_frames_));
if (!dump_as_text_) {
render_view_host()->Send(
new ShellViewMsg_CaptureImageDump(render_view_host()->GetRoutingID(),
expected_pixel_hash_));
}
}
void LayoutTestControllerHost::TimeoutHandler() {
std::cout << "FAIL: Timed out waiting for notifyDone to be called\n";
std::cerr << "FAIL: Timed out waiting for notifyDone to be called\n";
CaptureDump();
}
bool LayoutTestControllerHost::OnMessageReceived(
const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(LayoutTestControllerHost, message)
IPC_MESSAGE_HANDLER(ShellViewHostMsg_DidFinishLoad, OnDidFinishLoad)
IPC_MESSAGE_HANDLER(ShellViewHostMsg_TextDump, OnTextDump)
IPC_MESSAGE_HANDLER(ShellViewHostMsg_ImageDump, OnImageDump)
IPC_MESSAGE_HANDLER(ShellViewHostMsg_NotifyDone, OnNotifyDone)
IPC_MESSAGE_HANDLER(ShellViewHostMsg_DumpAsText, OnDumpAsText)
IPC_MESSAGE_HANDLER(ShellViewHostMsg_DumpChildFramesAsText,
OnDumpChildFramesAsText)
IPC_MESSAGE_HANDLER(ShellViewHostMsg_SetPrinting, OnSetPrinting)
IPC_MESSAGE_HANDLER(
ShellViewHostMsg_SetShouldStayOnPageAfterHandlingBeforeUnload,
OnSetShouldStayOnPageAfterHandlingBeforeUnload)
IPC_MESSAGE_HANDLER(ShellViewHostMsg_WaitUntilDone, OnWaitUntilDone)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void LayoutTestControllerHost::OnDidFinishLoad() {
if (wait_until_done_)
return;
CaptureDump();
}
void LayoutTestControllerHost::OnTextDump(const std::string& dump) {
std::cout << dump;
std::cout << "#EOF\n";
std::cerr << "#EOF\n";
if (dump_as_text_)
MessageLoop::current()->PostTask(FROM_HERE, MessageLoop::QuitClosure());
}
void LayoutTestControllerHost::OnImageDump(
const std::string& actual_pixel_hash,
const SkBitmap& image) {
#if !defined(OS_ANDROID)
// DumpRenderTree is not currently supported for Android. Also, on Android
// the required webkit_support methods are not defined, so this method just
// doesn't compile.
SkAutoLockPixels image_lock(image);
std::cout << "\nActualHash: " << actual_pixel_hash << "\n";
if (!expected_pixel_hash_.empty())
std::cout << "\nExpectedHash: " << expected_pixel_hash_ << "\n";
// Only encode and dump the png if the hashes don't match. Encoding the
// image is really expensive.
if (actual_pixel_hash != expected_pixel_hash_) {
std::vector<unsigned char> png;
// Only the expected PNGs for Mac have a valid alpha channel.
#if defined(OS_MACOSX)
bool discard_transparency = false;
#else
bool discard_transparency = true;
#endif
webkit_support::EncodeBGRAPNGWithChecksum(
reinterpret_cast<const unsigned char*>(image.getPixels()),
image.width(),
image.height(),
static_cast<int>(image.rowBytes()),
discard_transparency,
actual_pixel_hash,
&png);
std::cout << "Content-Type: image/png\n";
std::cout << "Content-Length: " << png.size() << "\n";
std::cout.write(reinterpret_cast<const char*>(&png[0]), png.size());
}
MessageLoop::current()->PostTask(FROM_HERE, MessageLoop::QuitClosure());
#endif
}
void LayoutTestControllerHost::OnNotifyDone() {
if (!wait_until_done_)
return;
watchdog_.Cancel();
CaptureDump();
}
void LayoutTestControllerHost::OnDumpAsText() {
dump_as_text_ = true;
}
void LayoutTestControllerHost::OnSetPrinting() {
is_printing_ = true;
}
void LayoutTestControllerHost::OnSetShouldStayOnPageAfterHandlingBeforeUnload(
bool should_stay_on_page) {
should_stay_on_page_after_handling_before_unload_ = should_stay_on_page;
}
void LayoutTestControllerHost::OnDumpChildFramesAsText() {
dump_child_frames_ = true;
}
void LayoutTestControllerHost::OnWaitUntilDone() {
if (wait_until_done_)
return;
watchdog_.Reset(base::Bind(&LayoutTestControllerHost::TimeoutHandler,
base::Unretained(this)));
MessageLoop::current()->PostDelayedTask(
FROM_HERE,
watchdog_.callback(),
base::TimeDelta::FromMilliseconds(kTestTimeoutMilliseconds));
wait_until_done_ = true;
}
} // namespace content
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