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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 "chrome/browser/ui/views/location_bar/bubble_icon_view.h"
#include "chrome/browser/command_updater.h"
#include "ui/accessibility/ax_view_state.h"
#include "ui/base/material_design/material_design_controller.h"
#include "ui/events/event.h"
#include "ui/gfx/color_palette.h"
#include "ui/gfx/color_utils.h"
#include "ui/gfx/paint_vector_icon.h"
#include "ui/native_theme/native_theme.h"
#include "ui/views/animation/button_ink_drop_delegate.h"
#include "ui/views/animation/ink_drop_hover.h"
#include "ui/views/bubble/bubble_dialog_delegate.h"
BubbleIconView::BubbleIconView(CommandUpdater* command_updater, int command_id)
: image_(new views::ImageView()),
command_updater_(command_updater),
command_id_(command_id),
active_(false),
suppress_mouse_released_action_(false),
ink_drop_delegate_(new views::ButtonInkDropDelegate(this, this)) {
AddChildView(image_);
image_->set_interactive(false);
image_->EnableCanvasFlippingForRTLUI(true);
image_->SetAccessibilityFocusable(true);
}
BubbleIconView::~BubbleIconView() {
}
bool BubbleIconView::IsBubbleShowing() const {
// If the bubble is being destroyed, it's considered showing though it may be
// already invisible currently.
return GetBubble() != nullptr;
}
void BubbleIconView::SetImage(const gfx::ImageSkia* image_skia) {
image_->SetImage(image_skia);
}
const gfx::ImageSkia& BubbleIconView::GetImage() const {
return image_->GetImage();
}
void BubbleIconView::SetTooltipText(const base::string16& tooltip) {
image_->SetTooltipText(tooltip);
}
void BubbleIconView::GetAccessibleState(ui::AXViewState* state) {
image_->GetAccessibleState(state);
state->role = ui::AX_ROLE_BUTTON;
}
bool BubbleIconView::GetTooltipText(const gfx::Point& p,
base::string16* tooltip) const {
return !IsBubbleShowing() && image_->GetTooltipText(p, tooltip);
}
gfx::Size BubbleIconView::GetPreferredSize() const {
return image_->GetPreferredSize();
}
void BubbleIconView::Layout() {
View::Layout();
image_->SetBoundsRect(GetLocalBounds());
}
bool BubbleIconView::OnMousePressed(const ui::MouseEvent& event) {
// If the bubble is showing then don't reshow it when the mouse is released.
suppress_mouse_released_action_ = IsBubbleShowing();
if (!suppress_mouse_released_action_ && event.IsOnlyLeftMouseButton())
ink_drop_delegate_->OnAction(views::InkDropState::ACTION_PENDING);
// We want to show the bubble on mouse release; that is the standard behavior
// for buttons.
return true;
}
void BubbleIconView::OnMouseReleased(const ui::MouseEvent& event) {
// If this is the second click on this view then the bubble was showing on the
// mouse pressed event and is hidden now. Prevent the bubble from reshowing by
// doing nothing here.
if (suppress_mouse_released_action_) {
suppress_mouse_released_action_ = false;
return;
}
if (!event.IsLeftMouseButton())
return;
const bool activated = HitTestPoint(event.location());
ink_drop_delegate_->OnAction(
activated ? views::InkDropState::ACTIVATED : views::InkDropState::HIDDEN);
if (activated)
ExecuteCommand(EXECUTE_SOURCE_MOUSE);
}
bool BubbleIconView::OnKeyPressed(const ui::KeyEvent& event) {
if (event.key_code() != ui::VKEY_SPACE && event.key_code() != ui::VKEY_RETURN)
return false;
ink_drop_delegate_->OnAction(views::InkDropState::ACTIVATED);
ExecuteCommand(EXECUTE_SOURCE_KEYBOARD);
return true;
}
void BubbleIconView::ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) {
View::ViewHierarchyChanged(details);
if (details.is_add && GetNativeTheme())
UpdateIcon();
}
void BubbleIconView::OnNativeThemeChanged(const ui::NativeTheme* theme) {
UpdateIcon();
}
void BubbleIconView::AddInkDropLayer(ui::Layer* ink_drop_layer) {
image_->SetPaintToLayer(true);
image_->layer()->SetFillsBoundsOpaquely(false);
views::InkDropHostView::AddInkDropLayer(ink_drop_layer);
}
void BubbleIconView::RemoveInkDropLayer(ui::Layer* ink_drop_layer) {
views::InkDropHostView::RemoveInkDropLayer(ink_drop_layer);
image_->SetPaintToLayer(false);
}
scoped_ptr<views::InkDropHover> BubbleIconView::CreateInkDropHover() const {
// BubbleIconView views don't show hover effect.
return nullptr;
}
SkColor BubbleIconView::GetInkDropBaseColor() const {
return color_utils::DeriveDefaultIconColor(GetNativeTheme()->GetSystemColor(
ui::NativeTheme::kColorId_TextfieldDefaultColor));
}
void BubbleIconView::OnGestureEvent(ui::GestureEvent* event) {
if (event->type() == ui::ET_GESTURE_TAP) {
ink_drop_delegate_->OnAction(views::InkDropState::ACTIVATED);
ExecuteCommand(EXECUTE_SOURCE_GESTURE);
event->SetHandled();
}
}
void BubbleIconView::OnWidgetDestroying(views::Widget* widget) {
widget->RemoveObserver(this);
}
void BubbleIconView::OnWidgetVisibilityChanged(views::Widget* widget,
bool visible) {
// |widget| is a bubble that has just got shown / hidden.
if (!visible)
ink_drop_delegate_->OnAction(views::InkDropState::DEACTIVATED);
}
void BubbleIconView::ExecuteCommand(ExecuteSource source) {
OnExecuting(source);
if (command_updater_)
command_updater_->ExecuteCommand(command_id_);
}
gfx::VectorIconId BubbleIconView::GetVectorIcon() const {
return gfx::VectorIconId::VECTOR_ICON_NONE;
}
bool BubbleIconView::SetRasterIcon() {
return false;
}
void BubbleIconView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
views::BubbleDialogDelegateView* bubble = GetBubble();
if (bubble)
bubble->OnAnchorBoundsChanged();
}
void BubbleIconView::UpdateIcon() {
if (SetRasterIcon())
return;
const int icon_size =
ui::MaterialDesignController::IsModeMaterial() ? 16 : 18;
const ui::NativeTheme* theme = GetNativeTheme();
SkColor icon_color =
active_
? theme->GetSystemColor(ui::NativeTheme::kColorId_CallToActionColor)
: GetInkDropBaseColor();
image_->SetImage(
gfx::CreateVectorIcon(GetVectorIcon(), icon_size, icon_color));
}
void BubbleIconView::SetActiveInternal(bool active) {
if (active_ == active)
return;
active_ = active;
UpdateIcon();
}
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