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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 "stdafx.h"
#include "chrome_url_launch_handler.h"
#include "chrome_app_view.h"
#include <assert.h>
#include <shellapi.h>
#include <shlobj.h>
#include <string>
#include "base/command_line.h"
#include "winrt_utils.h"
typedef winfoundtn::ITypedEventHandler<
winapp::Search::SearchPane*,
winapp::Search::SearchPaneQuerySubmittedEventArgs*> QuerySubmittedHandler;
ChromeUrlLaunchHandler::ChromeUrlLaunchHandler() {
globals.is_initial_activation = true;
globals.initial_activation_kind = winapp::Activation::ActivationKind_Launch;
DVLOG(1) << __FUNCTION__;
}
// TODO(ananta)
// Remove this once we consolidate metro driver with chrome.
const wchar_t kMetroNavigationAndSearchMessage[] =
L"CHROME_METRO_NAV_SEARCH_REQUEST";
ChromeUrlLaunchHandler::~ChromeUrlLaunchHandler() {
DVLOG(1) << __FUNCTION__;
search_pane_->remove_QuerySubmitted(query_submitted_token_);
}
HRESULT ChromeUrlLaunchHandler::Initialize() {
mswr::ComPtr<winapp::Search::ISearchPaneStatics> search_pane_statics;
HRESULT hr = winrt_utils::CreateActivationFactory(
RuntimeClass_Windows_ApplicationModel_Search_SearchPane,
search_pane_statics.GetAddressOf());
CheckHR(hr, "Failed to activate ISearchPaneStatics");
hr = search_pane_statics->GetForCurrentView(&search_pane_);
if (FAILED(hr)) {
LOG(ERROR) << "Failed to get search pane for current view";
return hr;
}
hr = search_pane_->add_QuerySubmitted(mswr::Callback<QuerySubmittedHandler>(
this,
&ChromeUrlLaunchHandler::OnQuerySubmitted).Get(),
&query_submitted_token_);
if (FAILED(hr)) {
LOG(ERROR) << "Failed to register for Query Submitted event";
return hr;
}
return hr;
}
HRESULT ChromeUrlLaunchHandler::OnQuerySubmitted(
winapp::Search::ISearchPane* search_pane,
winapp::Search::ISearchPaneQuerySubmittedEventArgs* args) {
DVLOG(1) << "OnQuerySubmitted";
HandleSearchRequest(args);
return S_OK;
}
template<class T>
void ChromeUrlLaunchHandler::HandleSearchRequest(T* args) {
DVLOG(1) << __FUNCTION__;
mswrw::HString search_string;
args->get_QueryText(search_string.GetAddressOf());
base::string16 search_text(MakeStdWString(search_string.Get()));
globals.search_string = search_text;
DVLOG(1) << search_text.c_str();
// If this is the initial activation then we wait for Chrome to initiate the
// navigation. In all other cases navigate right away.
if (!globals.is_initial_activation)
InitiateNavigationOrSearchRequest(NULL, globals.search_string.c_str());
}
void ChromeUrlLaunchHandler::HandleProtocolLaunch(
winapp::Activation::IProtocolActivatedEventArgs* args) {
DVLOG(1) << __FUNCTION__;
mswr::ComPtr<winfoundtn::IUriRuntimeClass> uri;
args->get_Uri(&uri);
mswrw::HString url;
uri->get_AbsoluteUri(url.GetAddressOf());
base::string16 actual_url(MakeStdWString(url.Get()));
globals.navigation_url = actual_url;
// If this is the initial activation then we wait for Chrome to initiate the
// navigation. In all other cases navigate right away.
if (!globals.is_initial_activation)
InitiateNavigationOrSearchRequest(globals.navigation_url.c_str(), 0);
}
// |launch_args| is an encoded command line, minus the executable name. To
// find the URL to launch the first argument is used. If any other parameters
// are encoded in |launch_args| they are ignored.
base::string16 ChromeUrlLaunchHandler::GetUrlFromLaunchArgs(
const base::string16& launch_args) {
if (launch_args == L"opennewwindow") {
VLOG(1) << "Returning new tab url";
return L"chrome://newtab";
}
base::string16 dummy_command_line(L"dummy.exe ");
dummy_command_line.append(launch_args);
CommandLine command_line = CommandLine::FromString(dummy_command_line);
CommandLine::StringVector args = command_line.GetArgs();
if (args.size() > 0)
return args[0];
return base::string16();
}
void ChromeUrlLaunchHandler::HandleLaunch(
winapp::Activation::ILaunchActivatedEventArgs* args) {
mswrw::HString launch_args;
args->get_Arguments(launch_args.GetAddressOf());
base::string16 actual_launch_args(MakeStdWString(launch_args.Get()));
globals.navigation_url = GetUrlFromLaunchArgs(actual_launch_args);
DVLOG(1) << __FUNCTION__ << ", launch_args=" << actual_launch_args
<< ", url=" << globals.navigation_url
<< ", is_initial_activation=" << globals.is_initial_activation;
// If this is the initial launch then we wait for Chrome to initiate the
// navigation. In all other cases navigate right away.
if (!globals.is_initial_activation)
InitiateNavigationOrSearchRequest(globals.navigation_url.c_str(), 0);
}
void ChromeUrlLaunchHandler::Activate(
winapp::Activation::IActivatedEventArgs* args) {
winapp::Activation::ActivationKind activation_kind;
CheckHR(args->get_Kind(&activation_kind));
DVLOG(1) << __FUNCTION__ << ", activation_kind=" << activation_kind;
if (globals.is_initial_activation)
globals.initial_activation_kind = activation_kind;
if (activation_kind == winapp::Activation::ActivationKind_Launch) {
mswr::ComPtr<winapp::Activation::ILaunchActivatedEventArgs> launch_args;
if (args->QueryInterface(winapp::Activation::IID_ILaunchActivatedEventArgs,
&launch_args) == S_OK) {
DVLOG(1) << "Activate: ActivationKind_Launch";
HandleLaunch(launch_args.Get());
}
} else if (activation_kind ==
winapp::Activation::ActivationKind_Search) {
mswr::ComPtr<winapp::Activation::ISearchActivatedEventArgs> search_args;
if (args->QueryInterface(winapp::Activation::IID_ISearchActivatedEventArgs,
&search_args) == S_OK) {
DVLOG(1) << "Activate: ActivationKind_Search";
HandleSearchRequest(search_args.Get());
}
} else if (activation_kind ==
winapp::Activation::ActivationKind_Protocol) {
mswr::ComPtr<winapp::Activation::IProtocolActivatedEventArgs>
protocol_args;
if (args->QueryInterface(
winapp::Activation::IID_IProtocolActivatedEventArgs,
&protocol_args) == S_OK) {
DVLOG(1) << "Activate: ActivationKind_Protocol";
HandleProtocolLaunch(protocol_args.Get());
}
} else {
DVLOG(1) << "Activate: Unhandled mode: " << activation_kind;
}
}
void ChromeUrlLaunchHandler::InitiateNavigationOrSearchRequest(
const wchar_t* url, const wchar_t* search_string) {
DVLOG(1) << __FUNCTION__;
if (!url && !search_string) {
NOTREACHED();
return;
}
DVLOG(1) << (url ? url : L"NULL url");
DVLOG(1) << (search_string ? search_string : L"NULL search string");
if (globals.host_windows.empty()) {
DVLOG(1) << "No chrome windows registered. Ignoring nav request";
return;
}
// Custom registered message to navigate or search in chrome. WPARAM
// points to the URL and LPARAM contains the search string. They are
// mutually exclusive.
static const UINT navigation_search_message =
RegisterWindowMessage(kMetroNavigationAndSearchMessage);
if (url) {
VLOG(1) << "Posting url:" << url;
PostMessage(globals.host_windows.front().first, navigation_search_message,
reinterpret_cast<WPARAM>(url), 0);
} else {
VLOG(1) << "Posting search string:" << search_string;
PostMessage(globals.host_windows.front().first, navigation_search_message,
0, reinterpret_cast<LPARAM>(search_string));
}
}
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