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// Copyright (c) 2010 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/dom_ui/app_launcher_handler.h"
#include "app/animation.h"
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "base/base64.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/app_launched_animation.h"
#include "chrome/browser/browser.h"
#include "chrome/browser/browser_list.h"
#include "chrome/browser/extensions/extensions_service.h"
#include "chrome/browser/platform_util.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_resource.h"
#include "chrome/common/notification_service.h"
#include "chrome/common/notification_type.h"
#include "chrome/common/url_constants.h"
#include "gfx/rect.h"
#include "grit/browser_resources.h"
#include "grit/generated_resources.h"
namespace {
// This extracts an int from a ListValue at the given |index|.
bool ExtractInt(const ListValue* list, size_t index, int* out_int) {
std::string string_value;
if (list->GetString(index, &string_value)) {
*out_int = StringToInt(string_value);
return true;
}
return false;
}
} // namespace
AppLauncherHandler::AppLauncherHandler(ExtensionsService* extension_service)
: extensions_service_(extension_service) {
}
AppLauncherHandler::~AppLauncherHandler() {}
DOMMessageHandler* AppLauncherHandler::Attach(DOMUI* dom_ui) {
// TODO(arv): Add initialization code to the Apps store etc.
return DOMMessageHandler::Attach(dom_ui);
}
void AppLauncherHandler::RegisterMessages() {
dom_ui_->RegisterMessageCallback("getApps",
NewCallback(this, &AppLauncherHandler::HandleGetApps));
dom_ui_->RegisterMessageCallback("launchApp",
NewCallback(this, &AppLauncherHandler::HandleLaunchApp));
dom_ui_->RegisterMessageCallback("uninstallApp",
NewCallback(this, &AppLauncherHandler::HandleUninstallApp));
}
void AppLauncherHandler::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
switch (type.value) {
case NotificationType::EXTENSION_LOADED:
case NotificationType::EXTENSION_UNLOADED:
if (dom_ui_->tab_contents())
HandleGetApps(NULL);
break;
default:
NOTREACHED();
}
}
// static
void AppLauncherHandler::CreateAppInfo(Extension* extension,
DictionaryValue* value) {
value->Clear();
value->SetString(L"id", extension->id());
value->SetString(L"name", extension->name());
value->SetString(L"description", extension->description());
value->SetString(L"launch_url", extension->GetFullLaunchURL().spec());
value->SetString(L"options_url", extension->options_url().spec());
FilePath relative_path =
extension->GetIconPath(Extension::EXTENSION_ICON_LARGE).relative_path();
#if defined(OS_POSIX)
std::string path = relative_path.value();
#elif defined(OS_WIN)
std::string path = WideToUTF8(relative_path.value());
#endif // OS_WIN
GURL icon_url = extension->GetResourceURL(path);
value->SetString(L"icon", icon_url.spec());
}
void AppLauncherHandler::HandleGetApps(const Value* value) {
bool show_debug_link = CommandLine::ForCurrentProcess()->HasSwitch(
switches::kAppsDebug);
DictionaryValue dictionary;
dictionary.SetBoolean(L"showDebugLink", show_debug_link);
ListValue* list = new ListValue();
const ExtensionList* extensions = extensions_service_->extensions();
for (ExtensionList::const_iterator it = extensions->begin();
it != extensions->end(); ++it) {
if ((*it)->is_app()) {
DictionaryValue* app_info = new DictionaryValue();
CreateAppInfo(*it, app_info);
list->Append(app_info);
}
}
dictionary.Set(L"apps", list);
dom_ui_->CallJavascriptFunction(L"getAppsCallback", dictionary);
// First time we get here we set up the observer so that we can tell update
// the apps as they change.
if (registrar_.IsEmpty()) {
registrar_.Add(this, NotificationType::EXTENSION_LOADED,
NotificationService::AllSources());
registrar_.Add(this, NotificationType::EXTENSION_UNLOADED,
NotificationService::AllSources());
}
}
void AppLauncherHandler::HandleLaunchApp(const Value* value) {
if (!value->IsType(Value::TYPE_LIST)) {
NOTREACHED();
return;
}
std::string extension_id;
std::string launch_container;
int left = 0;
int top = 0;
int width = 0;
int height = 0;
const ListValue* list = static_cast<const ListValue*>(value);
if (!list->GetString(0, &extension_id) ||
!list->GetString(1, &launch_container) ||
!ExtractInt(list, 2, &left) ||
!ExtractInt(list, 3, &top) ||
!ExtractInt(list, 4, &width) ||
!ExtractInt(list, 5, &height)) {
NOTREACHED();
return;
}
// The rect we get from the client is relative to the browser client viewport.
// Offset the rect by the tab contents bounds.
gfx::Rect rect(left, top, width, height);
gfx::Rect tab_contents_bounds;
dom_ui_->tab_contents()->GetContainerBounds(&tab_contents_bounds);
rect.Offset(tab_contents_bounds.origin());
// Override the default launch container.
Extension* extension =
extensions_service_->GetExtensionById(extension_id, false);
DCHECK(extension);
Profile* profile = extensions_service_->profile();
if (launch_container.empty()) {
AnimateAppIcon(extension, rect);
Browser::OpenApplication(profile, extension_id);
return;
}
Extension::LaunchContainer container = extension->launch_container();
if (launch_container == "tab")
container = Extension::LAUNCH_TAB;
else if (launch_container == "panel")
container = Extension::LAUNCH_PANEL;
else if (launch_container == "window")
container = Extension::LAUNCH_WINDOW;
else
NOTREACHED() << "Unexpected launch container: " << launch_container << ".";
// To give a more "launchy" experience when using the NTP launcher, we close
// it automatically.
Browser* browser = BrowserList::GetLastActive();
TabContents* old_contents = NULL;
if (browser)
old_contents = browser->GetSelectedTabContents();
AnimateAppIcon(extension, rect);
Browser::OpenApplication(profile, extension, container);
if (old_contents &&
old_contents->GetURL().GetOrigin() ==
GURL(chrome::kChromeUINewTabURL).GetOrigin()) {
browser->CloseTabContents(old_contents);
}
}
void AppLauncherHandler::AnimateAppIcon(Extension* extension,
const gfx::Rect& rect) {
// We make this check for the case of minimized windows, unit tests, etc.
if (platform_util::IsVisible(dom_ui_->tab_contents()->GetNativeView()) &&
Animation::ShouldRenderRichAnimation()) {
#if defined(OS_WIN)
AppLaunchedAnimation::Show(extension, rect);
#else
NOTIMPLEMENTED();
#endif
}
}
void AppLauncherHandler::HandleUninstallApp(const Value* value) {
if (!value->IsType(Value::TYPE_LIST)) {
NOTREACHED();
return;
}
std::string extension_id;
const ListValue* list = static_cast<const ListValue*>(value);
if (!list->GetString(0, &extension_id)) {
NOTREACHED();
return;
}
// Make sure that the extension exists.
Extension* extension =
extensions_service_->GetExtensionById(extension_id, false);
DCHECK(extension);
extensions_service_->UninstallExtension(extension_id, false);
}
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