Minimum size for aura window

ui/aura/test/event_generator.cc

+// Copyright (c) 2011 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 "ui/aura/test/event_generator.h"
+
+#include "ui/aura/desktop.h"
+#include "ui/aura/event.h"
+
+namespace aura {
+namespace test {
+
+EventGenerator::EventGenerator() : flags_(0) {
+}
+
+EventGenerator::EventGenerator(const gfx::Point& point)
+    : flags_(0),
+      current_(point) {
+}
+
+EventGenerator::~EventGenerator() {
+}
+
+void EventGenerator::ClickLeftButton() {
+  PressLeftButton();
+  ReleaseLeftButton();
+}
+
+void EventGenerator::PressLeftButton() {
+  if ((flags_ & ui::EF_LEFT_BUTTON_DOWN) == 0) {
+    flags_ |= ui::EF_LEFT_BUTTON_DOWN;
+    Dispatch(MouseEvent(ui::ET_MOUSE_PRESSED, current_, flags_));
+  }
+}
+
+void EventGenerator::ReleaseLeftButton() {
+  if (flags_ & ui::EF_LEFT_BUTTON_DOWN) {
+    flags_ ^= ui::EF_LEFT_BUTTON_DOWN;
+    Dispatch(MouseEvent(ui::ET_MOUSE_RELEASED, current_, 0));
+  }
+}
+
+void EventGenerator::MoveMouseTo(const gfx::Point& point) {
+  if (flags_ & ui::EF_LEFT_BUTTON_DOWN ) {
+    Dispatch(MouseEvent(ui::ET_MOUSE_DRAGGED, current_.Middle(point), flags_));
+    Dispatch(MouseEvent(ui::ET_MOUSE_DRAGGED, point, flags_));
+  } else {
+    Dispatch(MouseEvent(ui::ET_MOUSE_MOVED, current_.Middle(point), flags_));
+    Dispatch(MouseEvent(ui::ET_MOUSE_MOVED, point, flags_));
+  }
+  current_ = point;
+}
+
+void EventGenerator::DragMouseTo(const gfx::Point& point) {
+  PressLeftButton();
+  MoveMouseTo(point);
+  ReleaseLeftButton();
+}
+
+void EventGenerator::Dispatch(const Event& event) {
+  switch (event.type()) {
+    case ui::ET_KEY_PRESSED:
+    case ui::ET_KEY_RELEASED:
+      aura::Desktop::GetInstance()->OnKeyEvent(
+          *static_cast<const KeyEvent*>(&event));
+      break;
+    case ui::ET_MOUSE_PRESSED:
+    case ui::ET_MOUSE_DRAGGED:
+    case ui::ET_MOUSE_RELEASED:
+    case ui::ET_MOUSE_MOVED:
+    case ui::ET_MOUSE_ENTERED:
+    case ui::ET_MOUSE_EXITED:
+    case ui::ET_MOUSEWHEEL:
+      aura::Desktop::GetInstance()->OnMouseEvent(
+          *static_cast<const MouseEvent*>(&event));
+      break;
+    default:
+      NOTIMPLEMENTED();
+      break;
+  }
+}
+
+}  // namespace test
+}  // namespace aura