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// Copyright 2016 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 "mash/quick_launch/quick_launch.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/strings/string16.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "mash/public/interfaces/launchable.mojom.h"
#include "services/catalog/public/interfaces/catalog.mojom.h"
#include "services/catalog/public/interfaces/constants.mojom.h"
#include "services/service_manager/public/c/main.h"
#include "services/service_manager/public/cpp/connector.h"
#include "services/service_manager/public/cpp/service.h"
#include "services/service_manager/public/cpp/service_context.h"
#include "services/service_manager/public/cpp/service_runner.h"
#include "ui/aura/window.h"
#include "ui/aura/window_tree_host.h"
#include "ui/views/background.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/controls/textfield/textfield_controller.h"
#include "ui/views/mus/aura_init.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
#include "url/gurl.h"
namespace mash {
namespace quick_launch {
class QuickLaunchUI : public views::WidgetDelegateView,
public views::TextfieldController {
public:
QuickLaunchUI(QuickLaunch* quick_launch,
service_manager::Connector* connector,
catalog::mojom::CatalogPtr catalog)
: quick_launch_(quick_launch),
connector_(connector),
prompt_(new views::Textfield),
catalog_(std::move(catalog)) {
set_background(views::Background::CreateStandardPanelBackground());
prompt_->set_controller(this);
AddChildView(prompt_);
UpdateEntries();
}
~QuickLaunchUI() override {
quick_launch_->RemoveWindow(GetWidget());
}
private:
// Overridden from views::WidgetDelegate:
base::string16 GetWindowTitle() const override {
// TODO(beng): use resources.
return base::ASCIIToUTF16("QuickLaunch");
}
// Overridden from views::View:
void Layout() override {
gfx::Rect bounds = GetLocalBounds();
bounds.Inset(5, 5);
prompt_->SetBoundsRect(bounds);
}
gfx::Size CalculatePreferredSize() const override {
gfx::Size ps = prompt_->GetPreferredSize();
ps.Enlarge(500, 10);
return ps;
}
// Overridden from views::TextFieldController:
bool HandleKeyEvent(views::Textfield* sender,
const ui::KeyEvent& key_event) override {
if (key_event.type() != ui::ET_KEY_PRESSED)
return false;
// The user didn't like our suggestion, don't make another until they
// type another character.
suggestion_rejected_ = key_event.key_code() == ui::VKEY_BACK ||
key_event.key_code() == ui::VKEY_DELETE;
if (key_event.key_code() == ui::VKEY_RETURN) {
Launch(Canonicalize(prompt_->text()), key_event.IsControlDown());
prompt_->SetText(base::string16());
UpdateEntries();
}
return false;
}
void ContentsChanged(views::Textfield* sender,
const base::string16& new_contents) override {
// Don't keep making a suggestion if the user didn't like what we offered.
if (suggestion_rejected_)
return;
if (new_contents.empty())
return;
// TODO(beng): it'd be nice if we persisted some history/scoring here.
for (const auto& name : app_names_) {
if (base::StartsWith(name, new_contents,
base::CompareCase::INSENSITIVE_ASCII)) {
base::string16 suffix = name;
base::ReplaceSubstringsAfterOffset(&suffix, 0, new_contents,
base::string16());
gfx::Range range(static_cast<uint32_t>(new_contents.size()),
static_cast<uint32_t>(name.size()));
prompt_->SetText(name);
prompt_->SelectRange(range);
break;
}
}
}
std::string Canonicalize(const base::string16& input) const {
base::string16 working;
base::TrimWhitespace(input, base::TRIM_ALL, &working);
GURL url(working);
if (url.scheme() != "service" && url.scheme() != "exe")
working = base::ASCIIToUTF16("") + working;
return base::UTF16ToUTF8(working);
}
void UpdateEntries() {
catalog_->GetEntriesProvidingCapability(
"mash:launchable",
base::Bind(&QuickLaunchUI::OnGotCatalogEntries,
base::Unretained(this)));
}
void OnGotCatalogEntries(std::vector<catalog::mojom::EntryPtr> entries) {
for (const auto& entry : entries)
app_names_.insert(base::UTF8ToUTF16(entry->name));
}
void Launch(const std::string& name, bool new_window) {
::mash::mojom::LaunchablePtr launchable;
connector_->BindInterface(name, &launchable);
launchable->Launch(mojom::kWindow,
new_window ? mojom::LaunchMode::MAKE_NEW
: mojom::LaunchMode::REUSE);
}
QuickLaunch* quick_launch_;
service_manager::Connector* connector_;
views::Textfield* prompt_;
catalog::mojom::CatalogPtr catalog_;
std::set<base::string16> app_names_;
bool suggestion_rejected_ = false;
DISALLOW_COPY_AND_ASSIGN(QuickLaunchUI);
};
QuickLaunch::QuickLaunch() {
registry_.AddInterface<::mash::mojom::Launchable>(
base::Bind(&QuickLaunch::Create, base::Unretained(this)));
}
QuickLaunch::~QuickLaunch() {
while (!windows_.empty())
windows_.front()->CloseNow();
}
void QuickLaunch::RemoveWindow(views::Widget* window) {
auto it = std::find(windows_.begin(), windows_.end(), window);
DCHECK(it != windows_.end());
windows_.erase(it);
if (windows_.empty() && base::RunLoop::IsRunningOnCurrentThread())
base::MessageLoop::current()->QuitWhenIdle();
}
void QuickLaunch::OnStart() {
aura_init_ = base::MakeUnique<views::AuraInit>(
context()->connector(), context()->identity(), "views_mus_resources.pak",
std::string(), nullptr, views::AuraInit::Mode::AURA_MUS);
Launch(mojom::kWindow, mojom::LaunchMode::MAKE_NEW);
}
void QuickLaunch::OnBindInterface(
const service_manager::BindSourceInfo& source_info,
const std::string& interface_name,
mojo::ScopedMessagePipeHandle interface_pipe) {
registry_.BindInterface(source_info, interface_name,
std::move(interface_pipe));
}
void QuickLaunch::Launch(uint32_t what, mojom::LaunchMode how) {
bool reuse = how == mojom::LaunchMode::REUSE ||
how == mojom::LaunchMode::DEFAULT;
if (reuse && !windows_.empty()) {
windows_.back()->Activate();
return;
}
catalog::mojom::CatalogPtr catalog;
context()->connector()->BindInterface(catalog::mojom::kServiceName, &catalog);
views::Widget* window = views::Widget::CreateWindowWithContextAndBounds(
new QuickLaunchUI(this, context()->connector(), std::move(catalog)),
nullptr, gfx::Rect(10, 640, 0, 0));
window->GetNativeWindow()->GetHost()->window()->SetName("QuickLaunch");
window->Show();
windows_.push_back(window);
}
void QuickLaunch::Create(const service_manager::BindSourceInfo& source_info,
::mash::mojom::LaunchableRequest request) {
bindings_.AddBinding(this, std::move(request));
}
} // namespace quick_launch
} // namespace mash
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