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Unified Diff: content/browser/web_contents/aura/overscroll_window_animation.h

Issue 1076743003: Revert of Refactor GestureNavigation to eliminate code redundancy (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 8 months ago
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Index: content/browser/web_contents/aura/overscroll_window_animation.h
diff --git a/content/browser/web_contents/aura/overscroll_window_animation.h b/content/browser/web_contents/aura/overscroll_window_animation.h
deleted file mode 100644
index 791437baa35bef3b500a0386bd644adfd9d6fb1f..0000000000000000000000000000000000000000
--- a/content/browser/web_contents/aura/overscroll_window_animation.h
+++ /dev/null
@@ -1,121 +0,0 @@
-// Copyright 2015 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.
-
-#ifndef CONTENT_BROWSER_WEB_CONTENTS_AURA_OVERSCROLL_WINDOW_ANIMATION_H_
-#define CONTENT_BROWSER_WEB_CONTENTS_AURA_OVERSCROLL_WINDOW_ANIMATION_H_
-
-#include "base/gtest_prod_util.h"
-#include "content/browser/renderer_host/overscroll_controller_delegate.h"
-#include "content/common/content_export.h"
-#include "ui/compositor/layer_animation_observer.h"
-
-namespace aura {
-class Window;
-}
-
-namespace ui {
-class Layer;
-class LayerAnimator;
-}
-
-namespace content {
-
-class ShadowLayerDelegate;
-class WebContentsImpl;
-
-// Manages the animation of a window sliding on top or behind another one. The
-// main window, which is the one displayed before the animation starts, is not
-// owned by OverscrollWindowAnimation, while the slide window, created at the
-// start of the animation, is owned by us for its duration.
-class CONTENT_EXPORT OverscrollWindowAnimation
- : public OverscrollControllerDelegate,
- ui::ImplicitAnimationObserver {
- public:
- // The direction of this animation. SLIDE_FRONT indicates that the main window
- // stays still while the slide window moves on top of it, entering in from the
- // right. SLIDE_BACK means that the main window is animated to the right,
- // revealing the slide window in the back, which stays still. SLIDE_NONE
- // means we are not animating yet. Left and right are reversed for RTL
- // languages, but stack order remains unchanged.
- enum Direction { SLIDE_FRONT, SLIDE_BACK, SLIDE_NONE };
-
- // Delegate class that interfaces with the window animation.
- class CONTENT_EXPORT Delegate {
- public:
- virtual ~Delegate() {}
-
- // Create a slide window with the given |bounds| relative to its parent.
- virtual scoped_ptr<aura::Window> CreateFrontWindow(
- const gfx::Rect& bounds) = 0;
- virtual scoped_ptr<aura::Window> CreateBackWindow(
- const gfx::Rect& bounds) = 0;
-
- // Returns the main window that participates in the animation. The delegate
- // does not own this window.
- virtual aura::Window* GetMainWindow() const = 0;
-
- // Called when we know the animation is going to complete successfully, but
- // before it actually completes.
- virtual void OnOverscrollCompleting() = 0;
-
- // Called when the animation has been completed. The slide window is
- // transferred to the delegate.
- virtual void OnOverscrollCompleted(scoped_ptr<aura::Window> window) = 0;
-
- // Called when the overscroll gesture has been cancelled, after the cancel
- // animation finishes.
- virtual void OnOverscrollCancelled() = 0;
- };
-
- explicit OverscrollWindowAnimation(Delegate* delegate);
-
- ~OverscrollWindowAnimation() override;
-
- // Returns true if we are currently animating.
- bool is_active() const { return !!slide_window_; }
-
- // OverscrollControllerDelegate:
- gfx::Rect GetVisibleBounds() const override;
- bool OnOverscrollUpdate(float delta_x, float delta_y) override;
- void OnOverscrollComplete(OverscrollMode overscroll_mode) override;
- void OnOverscrollModeChange(OverscrollMode old_mode,
- OverscrollMode new_mode) override;
-
- private:
- // Cancels the slide, animating the front window to its original position.
- void CancelSlide();
-
- // Returns a translation on the x axis for the given overscroll.
- float GetTranslationForOverscroll(float delta_x);
-
- // Returns the layer that is animated for the animation. The caller does not
- // own it.
- ui::Layer* GetFrontLayer() const;
-
- // ui::ImplicitAnimationObserver:
- void OnImplicitAnimationsCompleted() override;
-
- // We own the window created for the animation.
- scoped_ptr<aura::Window> slide_window_;
-
- // Shadow shown under the animated layer.
- scoped_ptr<ShadowLayerDelegate> shadow_;
-
- // Delegate that provides the animation target and is notified of the
- // animation state.
- Delegate* delegate_;
-
- // The current animation direction.
- Direction direction_;
-
- // Indicates if the current animation has been cancelled. True while the
- // cancel animation is in progress.
- bool overscroll_cancelled_;
-
- DISALLOW_COPY_AND_ASSIGN(OverscrollWindowAnimation);
-};
-
-} // namespace content
-
-#endif // CONTENT_BROWSER_WEB_CONTENTS_AURA_OVERSCROLL_WINDOW_ANIMATION_H_

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