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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 "chrome/browser/automation/chrome_frame_automation_provider.h"
#include <algorithm>
#include "base/command_line.h"
#include "base/string_number_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/common/automation_messages.h"
#include "chrome/common/chrome_switches.h"
#include "ipc/ipc_message.h"
#include "ipc/ipc_channel.h"
const int kMaxChromeShutdownDelaySeconds = 60*60;
ChromeFrameAutomationProvider::ChromeFrameAutomationProvider(Profile* profile)
: AutomationProvider(profile) {
DCHECK(g_browser_process);
if (g_browser_process)
g_browser_process->AddRefModule();
}
ChromeFrameAutomationProvider::~ChromeFrameAutomationProvider() {
DCHECK(g_browser_process);
if (g_browser_process) {
CommandLine& cmd_line = *CommandLine::ForCurrentProcess();
CommandLine::StringType shutdown_delay(
cmd_line.GetSwitchValueNative(switches::kChromeFrameShutdownDelay));
if (!shutdown_delay.empty()) {
VLOG(1) << "ChromeFrameAutomationProvider: "
"Scheduling ReleaseBrowserProcess.";
// Grab the specified shutdown delay.
int shutdown_delay_seconds = 0;
base::StringToInt(shutdown_delay, &shutdown_delay_seconds);
// Clamp to reasonable values.
shutdown_delay_seconds = std::max(0, shutdown_delay_seconds);
shutdown_delay_seconds = std::min(shutdown_delay_seconds,
kMaxChromeShutdownDelaySeconds);
// We have Chrome Frame defer Chrome shutdown for a time to improve
// intra-page load times.
// Note that we are tracking the perf impact of this under
// http://crbug.com/98506
MessageLoop::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&ChromeFrameAutomationProvider::ReleaseBrowserProcess),
base::TimeDelta::FromSeconds(shutdown_delay_seconds));
} else {
VLOG(1) << "ChromeFrameAutomationProvider: "
"Releasing browser module with no delay.";
g_browser_process->ReleaseModule();
}
}
}
bool ChromeFrameAutomationProvider::OnMessageReceived(
const IPC::Message& message) {
if (IsValidMessage(message.type()))
return AutomationProvider::OnMessageReceived(message);
OnUnhandledMessage(message);
return false;
}
void ChromeFrameAutomationProvider::OnUnhandledMessage(
const IPC::Message& message) {
NOTREACHED() << __FUNCTION__
<< " Unhandled message type: "
<< message.type();
}
bool ChromeFrameAutomationProvider::IsValidMessage(uint32 type) {
bool is_valid_message = false;
switch (type) {
case AutomationMsg_CreateExternalTab::ID:
case AutomationMsg_ConnectExternalTab::ID:
#if defined(OS_WIN)
case AutomationMsg_BrowserMove::ID:
case AutomationMsg_ProcessUnhandledAccelerator::ID:
case AutomationMsg_ForwardContextMenuCommandToChrome::ID:
#endif // defined(OS_WIN)
#if defined(OS_WIN)
case AutomationMsg_TabReposition::ID:
#endif
case AutomationMsg_NavigateInExternalTab::ID:
case AutomationMsg_NavigateExternalTabAtIndex::ID:
case AutomationMsg_Find::ID:
case AutomationMsg_SetInitialFocus::ID:
case AutomationMsg_SetPageFontSize::ID:
case AutomationMsg_SetProxyConfig::ID:
case AutomationMsg_Cut::ID:
case AutomationMsg_Copy::ID:
case AutomationMsg_Paste::ID:
case AutomationMsg_SelectAll::ID:
case AutomationMsg_ReloadAsync::ID:
case AutomationMsg_StopAsync::ID:
case AutomationMsg_PrintAsync::ID:
case AutomationMsg_HandleUnused::ID:
case AutomationMsg_HandleMessageFromExternalHost::ID:
case AutomationMsg_RequestStarted::ID:
case AutomationMsg_RequestData::ID:
case AutomationMsg_RequestEnd::ID:
case AutomationMsg_SaveAsAsync::ID:
case AutomationMsg_RemoveBrowsingData::ID:
case AutomationMsg_OverrideEncoding::ID:
case AutomationMsg_RunUnloadHandlers::ID:
case AutomationMsg_SetZoomLevel::ID: {
is_valid_message = true;
break;
}
default:
break;
}
return is_valid_message;
}
// static
void ChromeFrameAutomationProvider::ReleaseBrowserProcess() {
if (g_browser_process) {
VLOG(1) << "ChromeFrameAutomationProvider: "
"Releasing browser process.";
g_browser_process->ReleaseModule();
}
}
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