mash: Add autoclick app.

ash/autoclick/mus/autoclick_application.cc

+// 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 "ash/autoclick/mus/autoclick_application.h"
+
+#include "ash/public/interfaces/container.mojom.h"
+#include "base/macros.h"
+#include "base/strings/utf_string_conversions.h"
+#include "services/shell/public/cpp/connector.h"
+#include "services/ui/public/cpp/property_type_converters.h"
+#include "services/ui/public/interfaces/window_manager_constants.mojom.h"
+#include "ui/views/mus/aura_init.h"
+#include "ui/views/mus/native_widget_mus.h"
+#include "ui/views/mus/pointer_watcher_event_router.h"
+#include "ui/views/mus/window_manager_connection.h"
+#include "ui/views/pointer_watcher.h"
+#include "ui/views/widget/widget.h"
+#include "ui/views/widget/widget_delegate.h"
+
+namespace ash {
+namespace autoclick {
+
+// The default wait time between last mouse movement and sending
+// the autoclick.
+const int kDefaultAutoclickDelayMs = 1000;
+
+// AutoclickUI handles events to the autoclick app.
+class AutoclickUI : public views::WidgetDelegateView,
+                    public views::PointerWatcher {
+ public:
+  AutoclickUI(views::WindowManagerConnection* window_manager_connection,
+              AutoclickControllerCommon* autoclick_controller_common)
+      : window_manager_connection_(window_manager_connection),
+        autoclick_controller_common_(autoclick_controller_common) {
+    window_manager_connection_->pointer_watcher_event_router()
+        ->AddPointerWatcher(this, true /* want_moves */);
+  }
+  ~AutoclickUI() override {
+    window_manager_connection_->pointer_watcher_event_router()
+        ->RemovePointerWatcher(this);
+  }
+
+ private:
+  // Overridden from views::WidgetDelegate:
+  views::View* GetContentsView() override { return this; }
+  base::string16 GetWindowTitle() const override {
+    // TODO(beng): use resources.
+    return base::ASCIIToUTF16("Autoclick");
+  }
+
+  // Overridden from views::PointerWatcher:
+  void OnPointerEventObserved(const ui::PointerEvent& event,
+                              const gfx::Point& location_in_screen,
+                              views::Widget* target) override {
+    if (event.IsTouchPointerEvent()) {
+      autoclick_controller_common_->CancelAutoclick();
+    } else if (event.IsMousePointerEvent()) {
+      if (event.type() == ui::ET_POINTER_WHEEL_CHANGED) {
+        autoclick_controller_common_->HandleMouseEvent(
+            ui::MouseWheelEvent(event));
+      } else {
+        autoclick_controller_common_->HandleMouseEvent(ui::MouseEvent(event));
+      }
+    }
+  }
+
+  views::WindowManagerConnection* window_manager_connection_;
+  AutoclickControllerCommon* autoclick_controller_common_;
+
+  DISALLOW_COPY_AND_ASSIGN(AutoclickUI);
+};
+
+AutoclickApplication::AutoclickApplication()
+    : launchable_binding_(this), autoclick_binding_(this) {}
+
+AutoclickApplication::~AutoclickApplication() {}
+
+void AutoclickApplication::OnStart(const shell::Identity& identity) {
+  aura_init_.reset(new views::AuraInit(connector(), "views_mus_resources.pak"));
+  window_manager_connection_ =
+      views::WindowManagerConnection::Create(connector(), identity);
+  autoclick_controller_common_.reset(new AutoclickControllerCommon(
+      base::TimeDelta::FromMilliseconds(kDefaultAutoclickDelayMs), this));
+}
+
+bool AutoclickApplication::OnConnect(const shell::Identity& remote_identity,
+                                     shell::InterfaceRegistry* registry) {
+  registry->AddInterface<mash::mojom::Launchable>(this);
+  registry->AddInterface<mojom::AutoclickController>(this);
+  return true;
+}
+
+void AutoclickApplication::Launch(uint32_t what, mash::mojom::LaunchMode how) {
+  if (!widget_) {
+    widget_.reset(new views::Widget);
+    views::Widget::InitParams params(
+        views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
+    params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
+    params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
+    params.activatable = views::Widget::InitParams::ACTIVATABLE_NO;
+    params.accept_events = false;
+    params.delegate = new AutoclickUI(window_manager_connection_.get(),
+                                      autoclick_controller_common_.get());
+
+    std::map<std::string, std::vector<uint8_t>> properties;
+    properties[ash::mojom::kWindowContainer_Property] =
+        mojo::ConvertTo<std::vector<uint8_t>>(
+            static_cast<int32_t>(ash::mojom::Container::OVERLAY));
+    properties[ui::mojom::WindowManager::kShowState_Property] =
+        mojo::ConvertTo<std::vector<uint8_t>>(
+            static_cast<int32_t>(ui::mojom::ShowState::FULLSCREEN));
+    ui::Window* window =
+        window_manager_connection_.get()->NewWindow(properties);
+    params.native_widget = new views::NativeWidgetMus(
+        widget_.get(), window, ui::mojom::SurfaceType::DEFAULT);
+    widget_->Init(params);
+  } else {
+    widget_->Close();
+    base::MessageLoop::current()->QuitWhenIdle();
+  }
+}
+
+void AutoclickApplication::SetAutoclickDelay(uint32_t delay_in_milliseconds) {
+  autoclick_controller_common_->SetAutoclickDelay(
+      base::TimeDelta::FromMilliseconds(delay_in_milliseconds));
+}
+
+void AutoclickApplication::Create(const shell::Identity& remote_identity,
+                                  mash::mojom::LaunchableRequest request) {
+  launchable_binding_.Close();
+  launchable_binding_.Bind(std::move(request));
+}
+
+void AutoclickApplication::Create(const shell::Identity& remote_identity,
+                                  mojom::AutoclickControllerRequest request) {
+  autoclick_binding_.Close();
+  autoclick_binding_.Bind(std::move(request));
+}
+
+views::Widget* AutoclickApplication::CreateAutoclickRingWidget(
+    const gfx::Point& event_location) {
+  return widget_.get();
+}
+
+void AutoclickApplication::UpdateAutoclickRingWidget(
+    views::Widget* widget,
+    const gfx::Point& event_location) {
+  // Not used in mus.
+}
+
+void AutoclickApplication::DoAutoclick(const gfx::Point& event_location,
+                                       const int mouse_event_flags) {
+  // TODO(riajiang): Currently not working. Need to know how to generate events
+  // in mus world (crbug.com/628665).
+}
+
+void AutoclickApplication::OnAutoclickCanceled() {
+  // Not used in mus.
+}
+
+}  // namespace autoclick
+}  // namespace ash