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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 "ash/wm/caption_buttons/bubble_contents_button_row.h"
#include "ash/wm/caption_buttons/maximize_bubble_controller.h"
#include "ash/wm/caption_buttons/maximize_bubble_controller_bubble.h"
#include "grit/ash_resources.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/layout/box_layout.h"
namespace ash {
// BubbleDialogButton ---------------------------------------------------------
// The image button gets overridden to be able to capture mouse hover events.
// The constructor also assigns all button states and adds |this| as a child of
// |button_row|.
class BubbleDialogButton : public views::ImageButton {
public:
explicit BubbleDialogButton(BubbleContentsButtonRow* button_row,
int normal_image,
int hovered_image,
int pressed_image);
virtual ~BubbleDialogButton();
// views::ImageButton:
virtual void OnMouseCaptureLost() OVERRIDE;
virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE;
private:
// The creating class which needs to get notified in case of a hover event.
BubbleContentsButtonRow* button_row_;
DISALLOW_COPY_AND_ASSIGN(BubbleDialogButton);
};
BubbleDialogButton::BubbleDialogButton(
BubbleContentsButtonRow* button_row,
int normal_image,
int hovered_image,
int pressed_image)
: views::ImageButton(button_row),
button_row_(button_row) {
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
SetImage(views::CustomButton::STATE_NORMAL,
rb.GetImageSkiaNamed(normal_image));
SetImage(views::CustomButton::STATE_HOVERED,
rb.GetImageSkiaNamed(hovered_image));
SetImage(views::CustomButton::STATE_PRESSED,
rb.GetImageSkiaNamed(pressed_image));
button_row->AddChildView(this);
}
BubbleDialogButton::~BubbleDialogButton() {
}
void BubbleDialogButton::OnMouseCaptureLost() {
button_row_->ButtonHovered(NULL);
views::ImageButton::OnMouseCaptureLost();
}
void BubbleDialogButton::OnMouseEntered(const ui::MouseEvent& event) {
button_row_->ButtonHovered(this);
views::ImageButton::OnMouseEntered(event);
}
void BubbleDialogButton::OnMouseExited(const ui::MouseEvent& event) {
button_row_->ButtonHovered(NULL);
views::ImageButton::OnMouseExited(event);
}
bool BubbleDialogButton::OnMouseDragged(const ui::MouseEvent& event) {
if (!button_row_->bubble()->controller())
return false;
// Remove the phantom window when we leave the button.
gfx::Point screen_location(event.location());
View::ConvertPointToScreen(this, &screen_location);
if (!GetBoundsInScreen().Contains(screen_location))
button_row_->ButtonHovered(NULL);
else
button_row_->ButtonHovered(this);
// Pass the event on to the normal handler.
return views::ImageButton::OnMouseDragged(event);
}
// BubbleContentsButtonRow ----------------------------------------------------
BubbleContentsButtonRow::BubbleContentsButtonRow(
MaximizeBubbleControllerBubble* bubble)
: bubble_(bubble),
left_button_(NULL),
minimize_button_(NULL),
right_button_(NULL) {
SetLayoutManager(new views::BoxLayout(
views::BoxLayout::kHorizontal, 0, 0,
MaximizeBubbleControllerBubble::kLayoutSpacing));
set_background(views::Background::CreateSolidBackground(
MaximizeBubbleControllerBubble::kBubbleBackgroundColor));
if (base::i18n::IsRTL()) {
AddMaximizeRightButton();
AddMinimizeButton();
AddMaximizeLeftButton();
} else {
AddMaximizeLeftButton();
AddMinimizeButton();
AddMaximizeRightButton();
}
}
BubbleContentsButtonRow::~BubbleContentsButtonRow() {
}
void BubbleContentsButtonRow::ButtonPressed(views::Button* sender,
const ui::Event& event) {
// While shutting down, the connection to the owner might already be broken.
if (!bubble_->controller())
return;
if (sender == left_button_) {
bubble_->controller()->OnButtonClicked(
(bubble_->controller()->maximize_type() == FRAME_STATE_SNAP_LEFT) ?
SNAP_RESTORE : SNAP_LEFT);
} else if (sender == minimize_button_) {
bubble_->controller()->OnButtonClicked(SNAP_MINIMIZE);
} else {
DCHECK(sender == right_button_);
bubble_->controller()->OnButtonClicked(
(bubble_->controller()->maximize_type() == FRAME_STATE_SNAP_RIGHT) ?
SNAP_RESTORE : SNAP_RIGHT);
}
}
void BubbleContentsButtonRow::ButtonHovered(BubbleDialogButton* sender) {
// While shutting down, the connection to the owner might already be broken.
if (!bubble_->controller())
return;
if (sender == left_button_) {
bubble_->controller()->OnButtonHover(
(bubble_->controller()->maximize_type() == FRAME_STATE_SNAP_LEFT) ?
SNAP_RESTORE : SNAP_LEFT);
} else if (sender == minimize_button_) {
bubble_->controller()->OnButtonHover(SNAP_MINIMIZE);
} else if (sender == right_button_) {
bubble_->controller()->OnButtonHover(
(bubble_->controller()->maximize_type() == FRAME_STATE_SNAP_RIGHT) ?
SNAP_RESTORE : SNAP_RIGHT);
} else {
bubble_->controller()->OnButtonHover(SNAP_NONE);
}
}
views::CustomButton* BubbleContentsButtonRow::GetButtonForUnitTest(
SnapType state) {
switch (state) {
case SNAP_LEFT:
return left_button_;
case SNAP_MINIMIZE:
return minimize_button_;
case SNAP_RIGHT:
return right_button_;
default:
NOTREACHED();
return NULL;
}
}
void BubbleContentsButtonRow::AddMaximizeLeftButton() {
if (bubble_->controller()->maximize_type() == FRAME_STATE_SNAP_LEFT) {
left_button_ = new BubbleDialogButton(
this,
IDR_AURA_WINDOW_POSITION_LEFT_RESTORE,
IDR_AURA_WINDOW_POSITION_LEFT_RESTORE_H,
IDR_AURA_WINDOW_POSITION_LEFT_RESTORE_P);
} else {
left_button_ = new BubbleDialogButton(
this,
IDR_AURA_WINDOW_POSITION_LEFT,
IDR_AURA_WINDOW_POSITION_LEFT_H,
IDR_AURA_WINDOW_POSITION_LEFT_P);
}
}
void BubbleContentsButtonRow::AddMaximizeRightButton() {
if (bubble_->controller()->maximize_type() == FRAME_STATE_SNAP_RIGHT) {
right_button_ = new BubbleDialogButton(
this,
IDR_AURA_WINDOW_POSITION_RIGHT_RESTORE,
IDR_AURA_WINDOW_POSITION_RIGHT_RESTORE_H,
IDR_AURA_WINDOW_POSITION_RIGHT_RESTORE_P);
} else {
right_button_ = new BubbleDialogButton(
this,
IDR_AURA_WINDOW_POSITION_RIGHT,
IDR_AURA_WINDOW_POSITION_RIGHT_H,
IDR_AURA_WINDOW_POSITION_RIGHT_P);
}
}
void BubbleContentsButtonRow::AddMinimizeButton() {
minimize_button_ = new BubbleDialogButton(
this,
IDR_AURA_WINDOW_POSITION_MIDDLE,
IDR_AURA_WINDOW_POSITION_MIDDLE_H,
IDR_AURA_WINDOW_POSITION_MIDDLE_P);
}
} // namespace ash
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