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// Copyright 2013 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 "components/autofill/content/renderer/page_click_tracker.h"
#include "base/command_line.h"
#include "components/autofill/content/renderer/form_autofill_util.h"
#include "components/autofill/content/renderer/page_click_listener.h"
#include "components/autofill/core/common/autofill_util.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_view.h"
#include "third_party/WebKit/public/platform/WebPoint.h"
#include "third_party/WebKit/public/platform/WebSize.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebFormControlElement.h"
#include "third_party/WebKit/public/web/WebHitTestResult.h"
#include "third_party/WebKit/public/web/WebInputElement.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
#include "third_party/WebKit/public/web/WebView.h"
using blink::WebElement;
using blink::WebFormControlElement;
using blink::WebGestureEvent;
using blink::WebInputElement;
using blink::WebInputEvent;
using blink::WebMouseEvent;
using blink::WebNode;
using blink::WebPoint;
using blink::WebSize;
using blink::WebUserGestureIndicator;
namespace autofill {
namespace {
// Casts |element| to a WebFormControlElement, but only if it's a text field.
// Returns an empty (isNull()) wrapper otherwise.
const WebFormControlElement GetTextFormControlElement(
const WebElement& element) {
if (!element.isFormControlElement())
return WebFormControlElement();
if (form_util::IsTextInput(blink::toWebInputElement(&element)) ||
element.hasHTMLTagName("textarea"))
return element.toConst<WebFormControlElement>();
return WebFormControlElement();
}
} // namespace
PageClickTracker::PageClickTracker(content::RenderFrame* render_frame,
PageClickListener* listener)
: content::RenderFrameObserver(render_frame),
focused_node_was_last_clicked_(false),
was_focused_before_now_(false),
listener_(listener),
legacy_(this) {
}
PageClickTracker::~PageClickTracker() {
}
void PageClickTracker::OnMouseDown(const WebNode& mouse_down_node) {
focused_node_was_last_clicked_ = !mouse_down_node.isNull() &&
mouse_down_node.focused();
if (IsKeyboardAccessoryEnabled())
DoFocusChangeComplete();
}
void PageClickTracker::FocusedNodeChanged(const WebNode& node) {
was_focused_before_now_ = false;
if (IsKeyboardAccessoryEnabled() &&
WebUserGestureIndicator::isProcessingUserGesture()) {
focused_node_was_last_clicked_ = true;
DoFocusChangeComplete();
}
}
void PageClickTracker::FocusChangeComplete() {
if (IsKeyboardAccessoryEnabled())
return;
DoFocusChangeComplete();
}
void PageClickTracker::DoFocusChangeComplete() {
WebElement focused_element = render_frame()->GetFocusedElement();
if (focused_node_was_last_clicked_ && !focused_element.isNull()) {
const WebFormControlElement control =
GetTextFormControlElement(focused_element);
if (!control.isNull()) {
listener_->FormControlElementClicked(control,
was_focused_before_now_);
}
}
was_focused_before_now_ = true;
focused_node_was_last_clicked_ = false;
}
// PageClickTracker::Legacy ----------------------------------------------------
PageClickTracker::Legacy::Legacy(PageClickTracker* tracker)
: content::RenderViewObserver(tracker->render_frame()->GetRenderView()),
tracker_(tracker) {
}
void PageClickTracker::Legacy::OnDestruct() {
// No-op. Don't delete |this|.
}
void PageClickTracker::Legacy::OnMouseDown(const WebNode& mouse_down_node) {
tracker_->OnMouseDown(mouse_down_node);
}
void PageClickTracker::Legacy::FocusChangeComplete() {
tracker_->FocusChangeComplete();
}
} // namespace autofill
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