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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 CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_GUEST_H_
#define CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_GUEST_H_
#include <vector>
#include "base/memory/scoped_ptr.h"
#include "content/browser/frame_host/render_widget_host_view_child_frame.h"
#include "content/common/content_export.h"
#include "content/common/cursors/webcursor.h"
#include "ui/events/event.h"
#include "ui/events/gestures/gesture_recognizer.h"
#include "ui/events/gestures/gesture_types.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/vector2d_f.h"
namespace content {
class RenderWidgetHost;
class RenderWidgetHostImpl;
class BrowserPluginGuest;
struct NativeWebKeyboardEvent;
// See comments in render_widget_host_view.h about this class and its members.
// This version is for the BrowserPlugin which handles a lot of the
// functionality in a diffent place and isn't platform specific.
// The BrowserPlugin is currently a special case for out-of-process rendered
// content and therefore inherits from RenderWidgetHostViewChildFrame.
// Eventually all RenderWidgetHostViewGuest code will be subsumed by
// RenderWidgetHostViewChildFrame and this class will be removed.
//
// Some elements that are platform specific will be deal with by delegating
// the relevant calls to the platform view.
class CONTENT_EXPORT RenderWidgetHostViewGuest
: public RenderWidgetHostViewChildFrame,
public ui::GestureConsumer,
public ui::GestureEventHelper {
public:
RenderWidgetHostViewGuest(RenderWidgetHost* widget,
BrowserPluginGuest* guest,
RenderWidgetHostViewBase* platform_view);
virtual ~RenderWidgetHostViewGuest();
// RenderWidgetHostView implementation.
virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
virtual void InitAsChild(gfx::NativeView parent_view) OVERRIDE;
virtual void SetSize(const gfx::Size& size) OVERRIDE;
virtual void SetBounds(const gfx::Rect& rect) OVERRIDE;
virtual gfx::NativeView GetNativeView() const OVERRIDE;
virtual gfx::NativeViewId GetNativeViewId() const OVERRIDE;
virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
virtual gfx::Rect GetViewBounds() const OVERRIDE;
virtual void SetBackground(const SkBitmap& background) OVERRIDE;
virtual gfx::Size GetPhysicalBackingSize() const OVERRIDE;
virtual base::string16 GetSelectedText() const OVERRIDE;
// RenderWidgetHostViewBase implementation.
virtual void InitAsPopup(RenderWidgetHostView* parent_host_view,
const gfx::Rect& pos) OVERRIDE;
virtual void InitAsFullscreen(
RenderWidgetHostView* reference_host_view) OVERRIDE;
virtual void WasShown() OVERRIDE;
virtual void WasHidden() OVERRIDE;
virtual void MovePluginWindows(
const std::vector<WebPluginGeometry>& moves) OVERRIDE;
virtual void UpdateCursor(const WebCursor& cursor) OVERRIDE;
virtual void SetIsLoading(bool is_loading) OVERRIDE;
virtual void TextInputTypeChanged(ui::TextInputType type,
ui::TextInputMode input_mode,
bool can_compose_inline) OVERRIDE;
virtual void ImeCancelComposition() OVERRIDE;
#if defined(OS_MACOSX) || defined(USE_AURA)
virtual void ImeCompositionRangeChanged(
const gfx::Range& range,
const std::vector<gfx::Rect>& character_bounds) OVERRIDE;
#endif
virtual void RenderProcessGone(base::TerminationStatus status,
int error_code) OVERRIDE;
virtual void Destroy() OVERRIDE;
virtual void SetTooltipText(const base::string16& tooltip_text) OVERRIDE;
virtual void SelectionChanged(const base::string16& text,
size_t offset,
const gfx::Range& range) OVERRIDE;
virtual void SelectionBoundsChanged(
const ViewHostMsg_SelectionBounds_Params& params) OVERRIDE;
virtual void CopyFromCompositingSurface(
const gfx::Rect& src_subrect,
const gfx::Size& dst_size,
const base::Callback<void(bool, const SkBitmap&)>& callback,
const SkBitmap::Config config) OVERRIDE;
virtual void AcceleratedSurfaceBuffersSwapped(
const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
int gpu_host_id) OVERRIDE;
virtual void AcceleratedSurfacePostSubBuffer(
const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params,
int gpu_host_id) OVERRIDE;
virtual void OnSwapCompositorFrame(
uint32 output_surface_id,
scoped_ptr<cc::CompositorFrame> frame) OVERRIDE;
virtual void SetScrollOffsetPinning(
bool is_pinned_to_left, bool is_pinned_to_right) OVERRIDE;
#if defined(USE_AURA)
virtual void ProcessAckedTouchEvent(
const TouchEventWithLatencyInfo& touch,
InputEventAckState ack_result) OVERRIDE;
#endif
virtual bool LockMouse() OVERRIDE;
virtual void UnlockMouse() OVERRIDE;
virtual void GetScreenInfo(blink::WebScreenInfo* results) OVERRIDE;
#if defined(OS_MACOSX)
// RenderWidgetHostView implementation.
virtual void SetActive(bool active) OVERRIDE;
virtual void SetTakesFocusOnlyOnMouseDown(bool flag) OVERRIDE;
virtual void SetWindowVisibility(bool visible) OVERRIDE;
virtual void WindowFrameChanged() OVERRIDE;
virtual void ShowDefinitionForSelection() OVERRIDE;
virtual bool SupportsSpeech() const OVERRIDE;
virtual void SpeakSelection() OVERRIDE;
virtual bool IsSpeaking() const OVERRIDE;
virtual void StopSpeaking() OVERRIDE;
// RenderWidgetHostViewBase implementation.
virtual bool PostProcessEventForPluginIme(
const NativeWebKeyboardEvent& event) OVERRIDE;
#endif // defined(OS_MACOSX)
#if defined(OS_ANDROID)
// RenderWidgetHostViewBase implementation.
virtual void SelectionRootBoundsChanged(const gfx::Rect& bounds) OVERRIDE;
virtual void ShowDisambiguationPopup(const gfx::Rect& target_rect,
const SkBitmap& zoomed_bitmap) OVERRIDE;
virtual void LockCompositingSurface() OVERRIDE;
virtual void UnlockCompositingSurface() OVERRIDE;
#endif // defined(OS_ANDROID)
#if defined(OS_WIN)
virtual void SetParentNativeViewAccessible(
gfx::NativeViewAccessible accessible_parent) OVERRIDE;
virtual gfx::NativeViewId GetParentForWindowlessPlugin() const OVERRIDE;
#endif
// Overridden from ui::GestureEventHelper.
virtual bool CanDispatchToConsumer(ui::GestureConsumer* consumer) OVERRIDE;
virtual void DispatchPostponedGestureEvent(ui::GestureEvent* event) OVERRIDE;
virtual void DispatchCancelTouchEvent(ui::TouchEvent* event) OVERRIDE;
virtual SkBitmap::Config PreferredReadbackFormat() OVERRIDE;
protected:
friend class RenderWidgetHostView;
private:
// Destroys this view without calling |Destroy| on |platform_view_|.
void DestroyGuestView();
// Builds and forwards a WebKitGestureEvent to the renderer.
bool ForwardGestureEventToRenderer(ui::GestureEvent* gesture);
// Process all of the given gestures (passes them on to renderer)
void ProcessGestures(ui::GestureRecognizer::Gestures* gestures);
RenderWidgetHostViewBase* GetGuestRenderWidgetHostView() const;
// BrowserPluginGuest and RenderWidgetHostViewGuest's lifetimes are not tied
// to one another, therefore we access |guest_| through WeakPtr.
base::WeakPtr<BrowserPluginGuest> guest_;
gfx::Size size_;
// The platform view for this RenderWidgetHostView.
// RenderWidgetHostViewGuest mostly only cares about stuff related to
// compositing, the rest are directly forwared to this |platform_view_|.
RenderWidgetHostViewBase* platform_view_;
#if defined(USE_AURA)
scoped_ptr<ui::GestureRecognizer> gesture_recognizer_;
#endif
DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewGuest);
};
} // namespace content
#endif // CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_GUEST_H_
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