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// Copyright 2014 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 "chrome/browser/ui/views/autofill/autofill_popup_base_view.h"
#include "base/bind.h"
#include "base/location.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "chrome/browser/ui/autofill/popup_constants.h"
#include "ui/views/border.h"
#include "ui/views/focus/focus_manager.h"
#include "ui/views/widget/widget.h"
namespace autofill {
const SkColor AutofillPopupBaseView::kBorderColor =
SkColorSetARGB(0xFF, 0xC7, 0xCA, 0xCE);
const SkColor AutofillPopupBaseView::kHoveredBackgroundColor =
SkColorSetARGB(0xFF, 0xCD, 0xCD, 0xCD);
const SkColor AutofillPopupBaseView::kItemTextColor =
SkColorSetARGB(0xFF, 0x7F, 0x7F, 0x7F);
const SkColor AutofillPopupBaseView::kPopupBackground =
SkColorSetARGB(0xFF, 0xFF, 0xFF, 0xFF);
const SkColor AutofillPopupBaseView::kValueTextColor =
SkColorSetARGB(0xFF, 0x00, 0x00, 0x00);
const SkColor AutofillPopupBaseView::kWarningTextColor =
SkColorSetARGB(0xFF, 0x7F, 0x7F, 0x7F);
AutofillPopupBaseView::AutofillPopupBaseView(
AutofillPopupViewDelegate* delegate,
views::Widget* parent_widget)
: delegate_(delegate),
parent_widget_(parent_widget),
weak_ptr_factory_(this) {}
AutofillPopupBaseView::~AutofillPopupBaseView() {
if (delegate_) {
delegate_->ViewDestroyed();
RemoveObserver();
}
}
void AutofillPopupBaseView::DoShow() {
const bool initialize_widget = !GetWidget();
if (initialize_widget) {
parent_widget_->AddObserver(this);
views::FocusManager* focus_manager = parent_widget_->GetFocusManager();
focus_manager->RegisterAccelerator(
ui::Accelerator(ui::VKEY_RETURN, ui::EF_NONE),
ui::AcceleratorManager::kNormalPriority,
this);
focus_manager->RegisterAccelerator(
ui::Accelerator(ui::VKEY_ESCAPE, ui::EF_NONE),
ui::AcceleratorManager::kNormalPriority,
this);
// The widget is destroyed by the corresponding NativeWidget, so we use
// a weak pointer to hold the reference and don't have to worry about
// deletion.
views::Widget* widget = new views::Widget;
views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
params.delegate = this;
params.parent = parent_widget_->GetNativeView();
widget->Init(params);
widget->SetContentsView(this);
// No animation for popup appearance (too distracting).
widget->SetVisibilityAnimationTransition(views::Widget::ANIMATE_HIDE);
show_time_ = base::Time::Now();
}
SetBorder(views::Border::CreateSolidBorder(kPopupBorderThickness,
kBorderColor));
DoUpdateBoundsAndRedrawPopup();
GetWidget()->Show();
// Showing the widget can change native focus (which would result in an
// immediate hiding of the popup). Only start observing after shown.
if (initialize_widget)
views::WidgetFocusManager::GetInstance()->AddFocusChangeListener(this);
}
void AutofillPopupBaseView::DoHide() {
// The controller is no longer valid after it hides us.
delegate_ = NULL;
RemoveObserver();
if (GetWidget()) {
// Don't call CloseNow() because some of the functions higher up the stack
// assume the the widget is still valid after this point.
// http://crbug.com/229224
// NOTE: This deletes |this|.
GetWidget()->Close();
} else {
delete this;
}
}
void AutofillPopupBaseView::OnWidgetBoundsChanged(views::Widget* widget,
const gfx::Rect& new_bounds) {
DCHECK_EQ(widget, parent_widget_);
HideController();
}
void AutofillPopupBaseView::RemoveObserver() {
parent_widget_->GetFocusManager()->UnregisterAccelerators(this);
parent_widget_->RemoveObserver(this);
views::WidgetFocusManager::GetInstance()->RemoveFocusChangeListener(this);
}
void AutofillPopupBaseView::DoUpdateBoundsAndRedrawPopup() {
GetWidget()->SetBounds(delegate_->popup_bounds());
SchedulePaint();
}
void AutofillPopupBaseView::OnNativeFocusChanged(gfx::NativeView focused_now) {
if (GetWidget() && GetWidget()->GetNativeView() != focused_now)
HideController();
}
void AutofillPopupBaseView::OnMouseCaptureLost() {
ClearSelection();
}
bool AutofillPopupBaseView::OnMouseDragged(const ui::MouseEvent& event) {
if (HitTestPoint(event.location())) {
SetSelection(event.location());
// We must return true in order to get future OnMouseDragged and
// OnMouseReleased events.
return true;
}
// If we move off of the popup, we lose the selection.
ClearSelection();
return false;
}
void AutofillPopupBaseView::OnMouseExited(const ui::MouseEvent& event) {
// Pressing return causes the cursor to hide, which will generate an
// OnMouseExited event. Pressing return should activate the current selection
// via AcceleratorPressed, so we need to let that run first.
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&AutofillPopupBaseView::ClearSelection,
weak_ptr_factory_.GetWeakPtr()));
}
void AutofillPopupBaseView::OnMouseMoved(const ui::MouseEvent& event) {
// A synthesized mouse move will be sent when the popup is first shown.
// Don't preview a suggestion if the mouse happens to be hovering there.
#if defined(OS_WIN)
// TODO(rouslan): Use event.time_stamp() and ui::EventTimeForNow() when they
// become comparable. http://crbug.com/453559
if (base::Time::Now() - show_time_ <= base::TimeDelta::FromMilliseconds(50))
return;
#else
if (event.flags() & ui::EF_IS_SYNTHESIZED)
return;
#endif
if (HitTestPoint(event.location()))
SetSelection(event.location());
else
ClearSelection();
}
bool AutofillPopupBaseView::OnMousePressed(const ui::MouseEvent& event) {
return event.GetClickCount() == 1;
}
void AutofillPopupBaseView::OnMouseReleased(const ui::MouseEvent& event) {
// We only care about the left click.
if (event.IsOnlyLeftMouseButton() && HitTestPoint(event.location()))
AcceptSelection(event.location());
}
void AutofillPopupBaseView::OnGestureEvent(ui::GestureEvent* event) {
switch (event->type()) {
case ui::ET_GESTURE_TAP_DOWN:
case ui::ET_GESTURE_SCROLL_BEGIN:
case ui::ET_GESTURE_SCROLL_UPDATE:
if (HitTestPoint(event->location()))
SetSelection(event->location());
else
ClearSelection();
break;
case ui::ET_GESTURE_TAP:
case ui::ET_GESTURE_SCROLL_END:
if (HitTestPoint(event->location()))
AcceptSelection(event->location());
else
ClearSelection();
break;
case ui::ET_GESTURE_TAP_CANCEL:
case ui::ET_SCROLL_FLING_START:
ClearSelection();
break;
default:
return;
}
event->SetHandled();
}
bool AutofillPopupBaseView::AcceleratorPressed(
const ui::Accelerator& accelerator) {
DCHECK_EQ(accelerator.modifiers(), ui::EF_NONE);
if (accelerator.key_code() == ui::VKEY_ESCAPE) {
HideController();
return true;
}
if (accelerator.key_code() == ui::VKEY_RETURN)
return delegate_->AcceptSelectedLine();
NOTREACHED();
return false;
}
void AutofillPopupBaseView::SetSelection(const gfx::Point& point) {
if (delegate_)
delegate_->SetSelectionAtPoint(point);
}
void AutofillPopupBaseView::AcceptSelection(const gfx::Point& point) {
if (!delegate_)
return;
delegate_->SetSelectionAtPoint(point);
delegate_->AcceptSelectedLine();
}
void AutofillPopupBaseView::ClearSelection() {
if (delegate_)
delegate_->SelectionCleared();
}
void AutofillPopupBaseView::HideController() {
if (delegate_)
delegate_->Hide();
}
gfx::NativeView AutofillPopupBaseView::container_view() {
return delegate_->container_view();
}
} // namespace autofill
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