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// Copyright 2013 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 "apps/app_shim/extension_app_shim_handler_mac.h"
#include "apps/app_shim/app_shim_messages.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "chrome/browser/extensions/extension_host.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/extensions/shell_window_registry.h"
#include "chrome/browser/ui/extensions/application_launch.h"
#include "chrome/browser/ui/extensions/native_app_window.h"
#include "chrome/browser/ui/extensions/shell_window.h"
#include "chrome/browser/ui/web_applications/web_app_ui.h"
#include "chrome/browser/web_applications/web_app_mac.h"
#include "chrome/common/chrome_notification_types.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_source.h"
#include "ui/base/cocoa/focus_window_set.h"
namespace apps {
ExtensionAppShimHandler::ExtensionAppShimHandler() {
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_HOST_CREATED,
content::NotificationService::AllBrowserContextsAndSources());
}
ExtensionAppShimHandler::~ExtensionAppShimHandler() {
for (HostMap::iterator it = hosts_.begin(); it != hosts_.end(); ) {
// Increment the iterator first as OnAppClosed may call back to OnShimClose
// and invalidate the iterator.
it++->second->OnAppClosed();
}
}
bool ExtensionAppShimHandler::OnShimLaunch(Host* host,
AppShimLaunchType launch_type) {
Profile* profile = host->GetProfile();
DCHECK(profile);
const std::string& app_id = host->GetAppId();
if (!extensions::Extension::IdIsValid(app_id)) {
LOG(ERROR) << "Bad app ID from app shim launch message.";
return false;
}
if (!LaunchApp(profile, app_id, launch_type))
return false;
// The first host to claim this (profile, app_id) becomes the main host.
// For any others, we focus the app and return false.
if (!hosts_.insert(make_pair(make_pair(profile, app_id), host)).second) {
OnShimFocus(host);
return false;
}
if (!registrar_.IsRegistered(
this, chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED,
content::Source<Profile>(profile))) {
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED,
content::Source<Profile>(profile));
}
return true;
}
void ExtensionAppShimHandler::OnShimClose(Host* host) {
HostMap::iterator it = hosts_.find(make_pair(host->GetProfile(),
host->GetAppId()));
// Any hosts other than the main host will still call OnShimClose, so ignore
// them.
if (it != hosts_.end() && it->second == host)
hosts_.erase(it);
}
void ExtensionAppShimHandler::OnShimFocus(Host* host) {
if (!host->GetProfile())
return;
extensions::ShellWindowRegistry* registry =
extensions::ShellWindowRegistry::Get(host->GetProfile());
const extensions::ShellWindowRegistry::ShellWindowList windows =
registry->GetShellWindowsForApp(host->GetAppId());
std::set<gfx::NativeWindow> native_windows;
for (extensions::ShellWindowRegistry::const_iterator it = windows.begin();
it != windows.end(); ++it) {
native_windows.insert((*it)->GetNativeWindow());
}
ui::FocusWindowSet(native_windows);
}
void ExtensionAppShimHandler::OnShimQuit(Host* host) {
if (!host->GetProfile())
return;
extensions::ShellWindowRegistry::ShellWindowList windows =
extensions::ShellWindowRegistry::Get(host->GetProfile())->
GetShellWindowsForApp(host->GetAppId());
for (extensions::ShellWindowRegistry::const_iterator it = windows.begin();
it != windows.end(); ++it) {
(*it)->GetBaseWindow()->Close();
}
}
bool ExtensionAppShimHandler::LaunchApp(Profile* profile,
const std::string& app_id,
AppShimLaunchType launch_type) {
extensions::ExtensionSystem* extension_system =
extensions::ExtensionSystem::Get(profile);
ExtensionServiceInterface* extension_service =
extension_system->extension_service();
const extensions::Extension* extension =
extension_service->GetExtensionById(app_id, false);
if (!extension) {
LOG(ERROR) << "Attempted to launch nonexistent app with id '"
<< app_id << "'.";
return false;
}
if (launch_type == APP_SHIM_LAUNCH_REGISTER_ONLY)
return true;
// TODO(jeremya): Handle the case that launching the app fails. Probably we
// need to watch for 'app successfully launched' or at least 'background page
// exists/was created' and time out with failure if we don't see that sign of
// life within a certain window.
chrome::OpenApplication(chrome::AppLaunchParams(
profile, extension, NEW_FOREGROUND_TAB));
return true;
}
void ExtensionAppShimHandler::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
Profile* profile = content::Source<Profile>(source).ptr();
extensions::ExtensionHost* extension_host =
content::Details<extensions::ExtensionHost>(details).ptr();
switch (type) {
case chrome::NOTIFICATION_EXTENSION_HOST_CREATED:
StartShim(profile, extension_host->extension());
break;
case chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED:
CloseShim(profile, extension_host->extension_id());
break;
default:
NOTREACHED(); // Unexpected notification.
break;
}
}
void ExtensionAppShimHandler::StartShim(
Profile* profile,
const extensions::Extension* extension) {
if (!extension->is_platform_app())
return;
if (hosts_.count(make_pair(profile, extension->id())))
return;
web_app::MaybeLaunchShortcut(
web_app::ShortcutInfoForExtensionAndProfile(extension, profile));
}
void ExtensionAppShimHandler::CloseShim(Profile* profile,
const std::string& app_id) {
HostMap::const_iterator it = hosts_.find(make_pair(profile, app_id));
if (it != hosts_.end())
it->second->OnAppClosed();
}
} // namespace apps
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