Enable touch based selection and editing for webpages behind a flag.

content/browser/web_contents/web_contents_view_aura.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/web_contents/web_contents_view_aura.h"
 
 #include "base/auto_reset.h"
 #include "base/metrics/histogram.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/renderer_host/dip_util.h"
 #include "content/browser/renderer_host/overscroll_controller.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 #include "content/browser/web_contents/interstitial_page_impl.h"
 #include "content/browser/web_contents/navigation_entry_impl.h"
+#include "content/browser/web_contents/touch_editable_impl_aura.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/overscroll_configuration.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents_delegate.h"
@@ skipping 707 matching lines @@
       parent_->RemoveObserver(this);
     parent_ = parent;
     if (parent)
       parent->AddObserver(this);
   }
 
   virtual void OnWindowBoundsChanged(aura::Window* window,
                                      const gfx::Rect& old_bounds,
                                      const gfx::Rect& new_bounds) OVERRIDE {
     SendScreenRects();
+    if (view_->touch_editable_)
+      view_->touch_editable_->UpdateEditingController();
   }
 
   virtual void OnWindowAddedToRootWindow(aura::Window* window) OVERRIDE {
     if (window != parent_)
       window->GetRootWindow()->AddRootWindowObserver(this);
   }
 
   virtual void OnWindowRemovingFromRootWindow(aura::Window* window) OVERRIDE {
     if (window != parent_)
       window->GetRootWindow()->RemoveRootWindowObserver(this);
@@ skipping 114 matching lines @@
     WebContentsImpl* web_contents,
     WebContentsViewDelegate* delegate)
     : web_contents_(web_contents),
       delegate_(delegate),
       current_drag_op_(WebKit::WebDragOperationNone),
       drag_dest_delegate_(NULL),
       current_rvh_for_drag_(NULL),
       content_container_(NULL),
       overscroll_change_brightness_(false),
       current_overscroll_gesture_(OVERSCROLL_NONE),
-      completed_overscroll_gesture_(OVERSCROLL_NONE) {
+      completed_overscroll_gesture_(OVERSCROLL_NONE),
+      touch_editable_(TouchEditableImplAura::Create()) {
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // WebContentsViewAura, private:
 
 WebContentsViewAura::~WebContentsViewAura() {
   if (!window_)
     return;
 
   window_observer_.reset();
 #if defined(OS_WIN)
   child_window_observer_.reset();
 #endif
   // Window needs a valid delegate during its destructor, so we explicitly
   // delete it here.
   window_.reset();
 }
 
 void WebContentsViewAura::SetupOverlayWindowForTesting() {
   if (navigation_overlay_)
     navigation_overlay_->SetupForTesting();
 }
 
+void WebContentsViewAura::SetTouchEditableForTest(
+    TouchEditableImplAura* touch_editable) {
+  touch_editable_.reset(touch_editable);
+  AttachTouchEditableToRenderView();
+}
+
 void WebContentsViewAura::SizeChangedCommon(const gfx::Size& size) {
   if (web_contents_->GetInterstitialPage())
     web_contents_->GetInterstitialPage()->SetSize(size);
   RenderWidgetHostView* rwhv =
       web_contents_->GetRenderWidgetHostView();
   if (rwhv)
     rwhv->SetSize(size);
 }
 
 void WebContentsViewAura::EndDrag(WebKit::WebDragOperationsMask ops) {
@@ skipping 194 matching lines @@
     ratio = 1.f - ratio;
   float brightness = current_overscroll_gesture_ == OVERSCROLL_WEST ?
       kBrightnessMin + ratio * (kBrightnessMax - kBrightnessMin) :
       kBrightnessMax - ratio * (kBrightnessMax - kBrightnessMin);
   brightness = std::max(kBrightnessMin, brightness);
   brightness = std::min(kBrightnessMax, brightness);
   aura::Window* window = GetWindowToAnimateForOverscroll();
   window->layer()->SetLayerBrightness(brightness);
 }
 
+void WebContentsViewAura::AttachTouchEditableToRenderView() {
+  if (!touch_editable_)
+    return;
+  RenderWidgetHostViewAura* rwhva = static_cast<RenderWidgetHostViewAura*>(
+      web_contents_->GetRenderWidgetHostView());
+  touch_editable_->AttachToView(rwhva);
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // WebContentsViewAura, WebContentsView implementation:
 
 gfx::NativeView WebContentsViewAura::GetNativeView() const {
   return window_.get();
 }
 
 gfx::NativeView WebContentsViewAura::GetContentNativeView() const {
   RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
   return rwhv ? rwhv->GetNativeView() : NULL;
@@ skipping 140 matching lines @@
 
   RenderWidgetHostImpl* host_impl =
       RenderWidgetHostImpl::From(render_widget_host);
   if (host_impl->overscroll_controller() && web_contents_->GetDelegate() &&
       web_contents_->GetDelegate()->CanOverscrollContent()) {
     host_impl->overscroll_controller()->set_delegate(this);
     if (!navigation_overlay_)
       navigation_overlay_.reset(new OverscrollNavigationOverlay());
   }
 
+  AttachTouchEditableToRenderView();
   return view;
 }
 
 RenderWidgetHostView* WebContentsViewAura::CreateViewForPopupWidget(
     RenderWidgetHost* render_widget_host) {
   return RenderWidgetHostViewPort::CreateViewForWidget(render_widget_host);
 }
 
 void WebContentsViewAura::SetPageTitle(const string16& title) {
   window_->set_title(title);
 }
 
 void WebContentsViewAura::RenderViewCreated(RenderViewHost* host) {
 }
 
 void WebContentsViewAura::RenderViewSwappedIn(RenderViewHost* host) {
   if (navigation_overlay_.get() && navigation_overlay_->has_window()) {
     navigation_overlay_->StartObservingView(static_cast<
         RenderWidgetHostViewAura*>(host->GetView()));
   }
+  AttachTouchEditableToRenderView();
 }
 
 void WebContentsViewAura::SetOverscrollControllerEnabled(bool enabled) {
   RenderViewHostImpl* host = static_cast<RenderViewHostImpl*>(
       web_contents_->GetRenderViewHost());
   if (host) {
     host->SetOverscrollControllerEnabled(enabled);
     if (enabled)
       host->overscroll_controller()->set_delegate(this);
   }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // WebContentsViewAura, RenderViewHostDelegateView implementation:
 
 void WebContentsViewAura::ShowContextMenu(
     const ContextMenuParams& params,
     ContextMenuSourceType type) {
   if (delegate_)
     delegate_->ShowContextMenu(params, type);
+  if (touch_editable_)
+    touch_editable_->EndTouchEditing();
+
 }
 
 void WebContentsViewAura::ShowPopupMenu(const gfx::Rect& bounds,
                                         int item_height,
                                         double item_font_size,
                                         int selected_item,
                                         const std::vector<WebMenuItem>& items,
                                         bool right_aligned,
                                         bool allow_multiple_selection) {
   // External popup menus are only used on Mac and Android.
   NOTIMPLEMENTED();
 }
 
 void WebContentsViewAura::StartDragging(
     const WebDropData& drop_data,
     WebKit::WebDragOperationsMask operations,
     const gfx::ImageSkia& image,
     const gfx::Vector2d& image_offset,
     const DragEventSourceInfo& event_info) {
   aura::RootWindow* root_window = GetNativeView()->GetRootWindow();
   if (!aura::client::GetDragDropClient(root_window)) {
     web_contents_->SystemDragEnded();
     return;
   }
 
+  if (touch_editable_)
+    touch_editable_->EndTouchEditing();
+
   ui::OSExchangeData::Provider* provider = ui::OSExchangeData::CreateProvider();
   PrepareDragData(drop_data, provider);
 
   ui::OSExchangeData data(provider);  // takes ownership of |provider|.
 
   if (!image.isNull()) {
     drag_utils::SetDragImageOnDataObject(image,
         gfx::Size(image.width(), image.height()), image_offset, &data);
   }
 
@@ skipping 310 matching lines @@
       event.location(),
       gfx::Screen::GetScreenFor(GetNativeView())->GetCursorScreenPoint(),
       ConvertAuraEventFlagsToWebInputEventModifiers(event.flags()));
   if (drag_dest_delegate_)
     drag_dest_delegate_->OnDrop();
   current_drop_data_.reset();
   return current_drag_op_;
 }
 
 }  // namespace content