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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.
#ifndef ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_CLIENT_H_
#define ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_CLIENT_H_
#include "base/android/scoped_java_ref.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/size_f.h"
#include "ui/gfx/geometry/vector2d_f.h"
namespace android_webview {
struct ParentCompositorDrawConstraints;
class BrowserViewRendererClient {
public:
// Request DrawGL to be in called AwDrawGLInfo::kModeProcess type.
// |wait_for_completion| will cause the call to block until DrawGL has
// happened. The callback may never be made, and the mode may be promoted to
// kModeDraw.
virtual bool RequestDrawGL(bool wait_for_completion) = 0;
// Called when a new Picture is available. Needs to be enabled
// via the EnableOnNewPicture method.
virtual void OnNewPicture() = 0;
// Called to trigger view invalidations.
// This calls postInvalidateOnAnimation if outside of a vsync, otherwise it
// calls invalidate.
virtual void PostInvalidate() = 0;
// Call postInvalidateOnAnimation for invalidations. This is only used to
// synchronize draw functor destruction.
virtual void DetachFunctorFromView() = 0;
// Called to get view's absolute location on the screen.
virtual gfx::Point GetLocationOnScreen() = 0;
// Try to set the view's scroll offset to |new_value|.
virtual void ScrollContainerViewTo(gfx::Vector2d new_value) = 0;
// Is a Android view system managed fling in progress?
virtual bool IsFlingActive() const = 0;
// Sets the following:
// view's scroll offset cap to |max_scroll_offset|,
// current contents_size to |contents_size_dip|,
// the current page scale to |page_scale_factor| and page scale limits
// to |min_page_scale_factor|..|max_page_scale_factor|.
virtual void UpdateScrollState(gfx::Vector2d max_scroll_offset,
gfx::SizeF contents_size_dip,
float page_scale_factor,
float min_page_scale_factor,
float max_page_scale_factor) = 0;
// Handle overscroll.
virtual void DidOverscroll(gfx::Vector2d overscroll_delta) = 0;
// Visible for testing
// Called when the parent draw constraints in browser view renderer gets
// updated.
virtual void ParentDrawConstraintsUpdated(
const ParentCompositorDrawConstraints& draw_constraints) = 0;
protected:
virtual ~BrowserViewRendererClient() {}
};
} // namespace android_webview
#endif // ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_CLIENT_H_
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