blob: 8d799e3132b428fbcd49107994e5cc1aa2c01520 [file] [log] [blame]
// 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 <vector>
#include "ash/ash_export.h"
#include "base/compiler_specific.h"
#include "base/gtest_prod_util.h"
#include "ui/gfx/point.h"
#include "ui/views/widget/widget_delegate.h"
namespace ash {
class ScreenshotDelegate;
// The view of taking partial screenshot, i.e.: drawing region
// rectangles during drag, and changing the mouse cursor to indicate
// the current mode.
class ASH_EXPORT PartialScreenshotView : public views::WidgetDelegateView {
// Starts the UI for taking partial screenshot; dragging to select a region.
// PartialScreenshotViews manage their own lifetime so caller must not delete
// the returned PartialScreenshotViews.
static std::vector<PartialScreenshotView*>
StartPartialScreenshot(ScreenshotDelegate* screenshot_delegate);
FRIEND_TEST_ALL_PREFIXES(PartialScreenshotViewTest, BasicMouse);
FRIEND_TEST_ALL_PREFIXES(PartialScreenshotViewTest, BasicTouch);
class OverlayDelegate;
PartialScreenshotView(OverlayDelegate* overlay_delegate,
ScreenshotDelegate* screenshot_delegate);
virtual ~PartialScreenshotView();
// Initializes partial screenshot UI widget for |root_window|.
void Init(aura::Window* root_window);
// Returns the currently selected region.
gfx::Rect GetScreenshotRect() const;
void OnSelectionStarted(const gfx::Point& position);
void OnSelectionChanged(const gfx::Point& position);
void OnSelectionFinished();
// Overridden from views::View:
virtual gfx::NativeCursor GetCursor(const ui::MouseEvent& event) OVERRIDE;
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE;
virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE;
virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
virtual void OnMouseCaptureLost() OVERRIDE;
virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
bool is_dragging_;
gfx::Point start_position_;
gfx::Point current_position_;
// The delegate to receive Cancel. No ownership.
OverlayDelegate* overlay_delegate_;
// ScreenshotDelegate to take the actual screenshot. No ownership.
ScreenshotDelegate* screenshot_delegate_;
} // namespace ash