Getting RenderWidgetHostViewWin ready for a GestureRecognizer.

content/browser/renderer_host/render_widget_host_view_win.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/render_widget_host_view_win.h"
 
 #include <algorithm>
 #include <peninputpanel_i.c>
 
 #include "base/bind.h"
@@ skipping 39 matching lines @@
 #include "ui/base/l10n/l10n_util_win.h"
 #include "ui/base/text/text_elider.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/base/view_prop.h"
 #include "ui/base/win/hwnd_util.h"
 #include "ui/base/win/mouse_wheel_util.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/gdi_util.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/screen.h"
+#include "ui/views/events/event.h"
 #include "webkit/glue/webaccessibility.h"
 #include "webkit/glue/webcursor.h"
 #include "webkit/plugins/npapi/plugin_constants_win.h"
 #include "webkit/plugins/npapi/webplugin.h"
 #include "webkit/plugins/npapi/webplugin_delegate_impl.h"
 
 using base::TimeDelta;
 using base::TimeTicks;
 using content::BrowserThread;
 using content::RenderWidgetHost;
@@ skipping 256 matching lines @@
       is_loading_(false),
       text_input_type_(ui::TEXT_INPUT_TYPE_NONE),
       is_fullscreen_(false),
       ignore_mouse_movement_(true),
       composition_range_(ui::Range::InvalidRange()),
       touch_state_(this),
       pointer_down_context_(false),
       focus_on_editable_field_(false),
       received_focus_change_after_pointer_down_(false),
       touch_events_enabled_(false),
+      ALLOW_THIS_IN_INITIALIZER_LIST(
+          gesture_recognizer_(ui::GestureRecognizer::Create(this))),

[sky, 2012/05/03 22:39:19]

If gesture_recognizer_ is going to created in the constructor, no point in
placing in a scoped_ptr.

       ALLOW_THIS_IN_INITIALIZER_LIST(sys_color_change_listener_(this)) {
   render_widget_host_->SetView(this);
   registrar_.Add(this,
                  content::NOTIFICATION_RENDERER_PROCESS_TERMINATED,
                  content::NotificationService::AllBrowserContextsAndSources());
   registrar_.Add(this,
                  content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
                  content::NotificationService::AllBrowserContextsAndSources());
 }
 
@@ skipping 647 matching lines @@
 }
 
 void RenderWidgetHostViewWin::SetHasHorizontalScrollbar(
     bool has_horizontal_scrollbar) {
 }
 
 void RenderWidgetHostViewWin::SetScrollOffsetPinning(
     bool is_pinned_to_left, bool is_pinned_to_right) {
 }
 
+bool RenderWidgetHostViewWin::DispatchLongPressGestureEvent(
+    ui::GestureEvent* event) {
+  // TODO: Implement.
+  return false;
+}
+
+bool RenderWidgetHostViewWin::DispatchCancelTouchEvent(
+    ui::TouchEvent* event) {
+  // TODO: Implement.
+  return false;
+}
+
+ui::TouchEvent* RenderWidgetHostViewWin::CreateTouchEvent(
+    ui::EventType type,
+    const gfx::Point& location,
+    int touch_id,
+    base::TimeDelta time_stamp) {
+  return new views::TouchEvent(
+      type, location.x(), location.y(), 0, touch_id, 0, 0, 0, 0);
+}
+
+ui::GestureEvent* RenderWidgetHostViewWin::CreateGestureEvent(
+    ui::EventType type,
+    const gfx::Point& location,
+    int flags,
+    const base::Time time,
+    float param_first,
+    float param_second,
+    unsigned int touch_id_bitfield) {
+  return new views::GestureEvent(type, location.x(), location.y(), flags, time,
+                          param_first, param_second, touch_id_bitfield);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewWin, private:
 
 LRESULT RenderWidgetHostViewWin::OnCreate(CREATESTRUCT* create_struct) {
   // Call the WM_INPUTLANGCHANGE message handler to initialize the input locale
   // of a browser process.
   OnInputLangChange(0, 0);
   // Marks that window as supporting mouse-wheel messages rerouting so it is
   // scrolled when under the mouse pointer even if inactive.
   props_.push_back(ui::SetWindowSupportsRerouteMouseWheel(m_hWnd));
@@ skipping 1679 matching lines @@
 void RenderWidgetHostViewWin::ResetPointerDownContext() {
   // If the default focus on the page is on an edit field and we did not
   // receive a focus change in the context of a pointer down message, it means
   // that the pointer down message occurred on the edit field and we should
   // display the on screen keyboard
   if (!received_focus_change_after_pointer_down_ && virtual_keyboard_)
     DisplayOnScreenKeyboardIfNeeded();
   received_focus_change_after_pointer_down_ = false;
   pointer_down_context_ = false;
 }