Maximize windows when double clicking their title bar.

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 {
@@ skipping 19 matching lines @@
 }
 
 EventGenerator::EventGenerator(Window* window)
     : flags_(0),
       current_location_(CenterOfWindowInDesktopCoordinate(window)) {
 }
 
 EventGenerator::~EventGenerator() {
 }
 
-void EventGenerator::ClickLeftButton() {
-  PressLeftButton();
-  ReleaseLeftButton();
-}
-
 void EventGenerator::PressLeftButton() {
   if ((flags_ & ui::EF_LEFT_BUTTON_DOWN) == 0) {
     flags_ |= ui::EF_LEFT_BUTTON_DOWN;
     MouseEvent mouseev(ui::ET_MOUSE_PRESSED, current_location_, flags_);
     Dispatch(mouseev);
   }
 }
 
 void EventGenerator::ReleaseLeftButton() {
   if (flags_ & ui::EF_LEFT_BUTTON_DOWN) {
     flags_ ^= ui::EF_LEFT_BUTTON_DOWN;
     MouseEvent mouseev(ui::ET_MOUSE_RELEASED, current_location_, 0);
     Dispatch(mouseev);
   }
 }
 
+void EventGenerator::ClickLeftButton() {
+  PressLeftButton();
+  ReleaseLeftButton();
+}
+
+void EventGenerator::DoubleClickLeftButton() {
+  flags_ |= ui::EF_IS_DOUBLE_CLICK;
+  PressLeftButton();
+  flags_ ^= ui::EF_IS_DOUBLE_CLICK;

[Ben Goodger (Google), 2011/11/30 22:42:45]

Good idea. This is similar to what you propose, but I reset the flags before
sending the release, since the semantics for Windows' DBLCLK processing are:

WM_LBUTTONDOWN
WM_LBUTTONUP
..
WM_LBUTTONDBLCLK  <-- sent in place of second DOWN
WM_LBUTTONUP <-- no double-click metadata.

+  ReleaseLeftButton();
+}
+
 void EventGenerator::MoveMouseTo(const gfx::Point& point) {
   if (flags_ & ui::EF_LEFT_BUTTON_DOWN ) {
     MouseEvent middle(
         ui::ET_MOUSE_DRAGGED, current_location_.Middle(point), flags_);
     Dispatch(middle);
 
     MouseEvent mouseev(ui::ET_MOUSE_DRAGGED, point, flags_);
     Dispatch(mouseev);
   } else {
     MouseEvent middle(
@@ skipping 34 matching lines @@
       break;
   }
 }
 
 void EventGenerator::MoveMouseToCenterOf(Window* window) {
   MoveMouseTo(CenterOfWindowInDesktopCoordinate(window));
 }
 
 }  // namespace test
 }  // namespace aura