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// 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.
#ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GUEST_H_
#define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GUEST_H_
#include <vector>
#include "base/memory/scoped_ptr.h"
#include "content/browser/renderer_host/render_widget_host_view_base.h"
#include "content/common/content_export.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"
#include "webkit/common/cursors/webcursor.h"
#if defined(TOOLKIT_GTK)
#include "content/browser/renderer_host/gtk_plugin_container_manager.h"
#endif // defined(TOOLKIT_GTK)
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 webview plugin which handles a lot of the
// functionality in a diffent place and isn't platform specific.
//
// Some elements that are platform specific will be deal with by delegating
// the relevant calls to the platform view.
// -----------------------------------------------------------------------------
class CONTENT_EXPORT RenderWidgetHostViewGuest
: public RenderWidgetHostViewBase,
public ui::GestureConsumer,
public ui::GestureEventHelper {
public:
RenderWidgetHostViewGuest(RenderWidgetHost* widget,
BrowserPluginGuest* guest,
RenderWidgetHostView* platform_view);
virtual ~RenderWidgetHostViewGuest();
// RenderWidgetHostView implementation.
virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
virtual void InitAsChild(gfx::NativeView parent_view) OVERRIDE;
virtual RenderWidgetHost* GetRenderWidgetHost() const 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 bool HasFocus() const OVERRIDE;
virtual bool IsSurfaceAvailableForCopy() const OVERRIDE;
virtual void Show() OVERRIDE;
virtual void Hide() OVERRIDE;
virtual bool IsShowing() OVERRIDE;
virtual gfx::Rect GetViewBounds() const OVERRIDE;
virtual void SetBackground(const SkBitmap& background) OVERRIDE;
#if defined(OS_WIN) && !defined(USE_AURA)
virtual void SetClickthroughRegion(SkRegion* region) OVERRIDE;
#endif
// RenderWidgetHostViewPort 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 gfx::Vector2d& scroll_offset,
const std::vector<WebPluginGeometry>& moves) OVERRIDE;
virtual void Focus() OVERRIDE;
virtual void Blur() 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(OS_WIN) || defined(USE_AURA)
virtual void ImeCompositionRangeChanged(
const gfx::Range& range,
const std::vector<gfx::Rect>& character_bounds) OVERRIDE;
#endif
virtual void DidUpdateBackingStore(
const gfx::Rect& scroll_rect,
const gfx::Vector2d& scroll_delta,
const std::vector<gfx::Rect>& copy_rects,
const ui::LatencyInfo& latency_info) OVERRIDE;
virtual void RenderProcessGone(base::TerminationStatus status,
int error_code) OVERRIDE;
virtual void Destroy() OVERRIDE;
virtual void WillDestroyRenderWidget(RenderWidgetHost* rwh) {}
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 ScrollOffsetChanged() OVERRIDE;
virtual BackingStore* AllocBackingStore(const gfx::Size& size) OVERRIDE;
virtual void CopyFromCompositingSurface(
const gfx::Rect& src_subrect,
const gfx::Size& dst_size,
const base::Callback<void(bool, const SkBitmap&)>& callback) OVERRIDE;
virtual void CopyFromCompositingSurfaceToVideoFrame(
const gfx::Rect& src_subrect,
const scoped_refptr<media::VideoFrame>& target,
const base::Callback<void(bool)>& callback) OVERRIDE;
virtual bool CanCopyToVideoFrame() const OVERRIDE;
virtual void OnAcceleratedCompositingStateChange() OVERRIDE;
virtual void AcceleratedSurfaceInitialized(int host_id,
int route_id) 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 AcceleratedSurfaceSuspend() OVERRIDE;
virtual void AcceleratedSurfaceRelease() OVERRIDE;
virtual bool HasAcceleratedSurface(const gfx::Size& desired_size) OVERRIDE;
virtual void SetHasHorizontalScrollbar(
bool has_horizontal_scrollbar) OVERRIDE;
virtual void SetScrollOffsetPinning(
bool is_pinned_to_left, bool is_pinned_to_right) OVERRIDE;
virtual gfx::Rect GetBoundsInRootWindow() OVERRIDE;
virtual gfx::GLSurfaceHandle GetCompositingSurface() OVERRIDE;
#if defined(OS_WIN) || defined(USE_AURA)
virtual void ProcessAckedTouchEvent(
const TouchEventWithLatencyInfo& touch,
InputEventAckState ack_result) OVERRIDE;
#endif // defined(OS_WIN) || defined(USE_AURA)
virtual bool LockMouse() OVERRIDE;
virtual void UnlockMouse() OVERRIDE;
virtual void GetScreenInfo(blink::WebScreenInfo* results) OVERRIDE;
virtual void OnAccessibilityEvents(
const std::vector<AccessibilityHostMsg_EventParams>&
params) 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;
// RenderWidgetHostViewPort implementation.
virtual void AboutToWaitForBackingStoreMsg() OVERRIDE;
virtual bool PostProcessEventForPluginIme(
const NativeWebKeyboardEvent& event) OVERRIDE;
#endif // defined(OS_MACOSX)
#if defined(OS_ANDROID)
// RenderWidgetHostViewPort implementation.
virtual void ShowDisambiguationPopup(const gfx::Rect& target_rect,
const SkBitmap& zoomed_bitmap) OVERRIDE;
virtual void HasTouchEventHandlers(bool need_touch_events) OVERRIDE;
#endif // defined(OS_ANDROID)
#if defined(TOOLKIT_GTK)
virtual GdkEventButton* GetLastMouseDown() OVERRIDE;
virtual gfx::NativeView BuildInputMethodsGtkMenu() OVERRIDE;
#endif // defined(TOOLKIT_GTK)
#if defined(OS_WIN) && !defined(USE_AURA)
virtual void WillWmDestroy() OVERRIDE;
#endif // defined(OS_WIN) && !defined(USE_AURA)
#if defined(OS_WIN) && defined(USE_AURA)
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;
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);
// The model object.
RenderWidgetHostImpl* host_;
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_|.
RenderWidgetHostViewPort* platform_view_;
#if defined(OS_WIN) || defined(USE_AURA)
scoped_ptr<ui::GestureRecognizer> gesture_recognizer_;
#endif // defined(OS_WIN) || defined(USE_AURA)
DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewGuest);
};
} // namespace content
#endif // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GUEST_H_
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