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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
* Copyright (C) 2014 Opera Software ASA. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EXPORTED_WEB_PLUGIN_CONTAINER_IMPL_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_EXPORTED_WEB_PLUGIN_CONTAINER_IMPL_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/public/common/input/web_touch_event.h"
#include "third_party/blink/public/mojom/input/focus_type.mojom-blink-forward.h"
#include "third_party/blink/public/platform/web_coalesced_input_event.h"
#include "third_party/blink/public/web/web_plugin_container.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h"
#include "third_party/blink/renderer/core/frame/embedded_content_view.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace cc {
class Layer;
}
namespace blink {
class Event;
class GestureEvent;
class HTMLFrameOwnerElement;
class HTMLPlugInElement;
class IntRect;
class KeyboardEvent;
class LocalFrameView;
class MouseEvent;
class ResourceError;
class ResourceResponse;
class TouchEvent;
class WebKeyboardEvent;
class WebPlugin;
class WheelEvent;
struct WebPrintParams;
struct WebPrintPresetOptions;
class CORE_EXPORT WebPluginContainerImpl final
: public GarbageCollected<WebPluginContainerImpl>,
public EmbeddedContentView,
public WebPluginContainer,
public ExecutionContextClient {
USING_GARBAGE_COLLECTED_MIXIN(WebPluginContainerImpl);
USING_PRE_FINALIZER(WebPluginContainerImpl, PreFinalize);
public:
// Check if plugins support a given command |name|.
static bool SupportsCommand(const WebString& name);
WebPluginContainerImpl(HTMLPlugInElement&, WebPlugin*);
~WebPluginContainerImpl() override;
// EmbeddedContentView methods
bool IsPluginView() const override { return true; }
LocalFrameView* ParentFrameView() const override;
LayoutEmbeddedContent* GetLayoutEmbeddedContent() const override;
void AttachToLayout() override;
void DetachFromLayout() override;
// |paint_offset| is used to to paint the contents at the correct location.
// It should be issued as a transform operation before painting the contents.
void Paint(GraphicsContext&,
const GlobalPaintFlags,
const CullRect&,
const IntSize& paint_offset = IntSize()) const override;
void UpdateGeometry() override;
void Show() override;
void Hide() override;
cc::Layer* CcLayer() const;
bool PreventContentsOpaqueChangesToCcLayer() const;
v8::Local<v8::Object> ScriptableObject(v8::Isolate*);
bool SupportsKeyboardFocus() const;
bool SupportsInputMethod() const;
bool CanProcessDrag() const;
bool WantsWheelEvents() const;
void UpdateAllLifecyclePhases();
void InvalidateRect(const IntRect&);
void SetFocused(bool, mojom::blink::FocusType);
void HandleEvent(Event&);
bool IsErrorplaceholder();
void EventListenersRemoved();
void InvalidatePaint() {}
// WebPluginContainer methods
WebElement GetElement() override;
WebDocument GetDocument() override;
void DispatchProgressEvent(const WebString& type,
bool length_computable,
uint64_t loaded,
uint64_t total,
const WebString& url) override;
void EnqueueMessageEvent(const WebDOMMessageEvent&) override;
void Invalidate() override;
void InvalidateRect(const WebRect&) override;
void ScheduleAnimation() override;
void ReportGeometry() override;
v8::Local<v8::Object> V8ObjectForElement() override;
WebString ExecuteScriptURL(const WebURL&, bool popups_allowed) override;
void LoadFrameRequest(const WebURLRequest&, const WebString& target) override;
bool IsRectTopmost(const WebRect&) override;
void RequestTouchEventType(TouchEventRequestType) override;
void SetWantsWheelEvents(bool) override;
gfx::Point RootFrameToLocalPoint(const gfx::Point&) override;
gfx::Point LocalToRootFramePoint(const gfx::Point&) override;
// Non-Oilpan, this cannot be null. With Oilpan, it will be
// null when in a disposed state, pending finalization during the next GC.
WebPlugin* Plugin() override { return web_plugin_; }
void SetPlugin(WebPlugin*) override;
void UsePluginAsFindHandler() override;
void ReportFindInPageMatchCount(int identifier,
int total,
bool final_update) override;
void ReportFindInPageSelection(int identifier, int index) override;
float DeviceScaleFactor() override;
float PageScaleFactor() override;
float PageZoomFactor() override;
void SetCcLayer(cc::Layer*, bool prevent_contents_opaque_changes) override;
void RequestFullscreen() override;
bool IsFullscreenElement() const override;
void CancelFullscreen() override;
// Printing interface. The plugin can support custom printing
// (which means it controls the layout, number of pages etc).
// Whether the plugin supports its own paginated print. The other print
// interface methods are called only if this method returns true.
bool SupportsPaginatedPrint() const;
// Returns true on success and sets the out parameter to the print preset
// options for the document.
bool GetPrintPresetOptionsFromDocument(WebPrintPresetOptions*) const;
// Sets up printing at the specified WebPrintParams. Returns the number of
// pages to be printed at these settings.
int PrintBegin(const WebPrintParams&) const;
// Prints the page specified by pageNumber (0-based index) into the supplied
// canvas.
void PrintPage(int page_number, GraphicsContext&);
// Ends the print operation.
void PrintEnd();
// Copy the selected text.
void Copy();
// Pass the edit command to the plugin.
bool ExecuteEditCommand(const WebString& name);
bool ExecuteEditCommand(const WebString& name, const WebString& value);
// Resource load events for the plugin's source data:
void DidReceiveResponse(const ResourceResponse&);
void DidReceiveData(const char* data, size_t data_length);
void DidFinishLoading();
void DidFailLoading(const ResourceError&);
void Trace(Visitor*) override;
// USING_PRE_FINALIZER does not allow for virtual dispatch from the finalizer
// method. Here we call Dispose() which does the correct virtual dispatch.
void PreFinalize() { Dispose(); }
void Dispose() override;
void SetFrameRect(const IntRect&) override;
void PropagateFrameRects() override { ReportGeometry(); }
protected:
void ParentVisibleChanged() override;
private:
// Sets |windowRect| to the content rect of the plugin in screen space.
// Sets |clippedAbsoluteRect| to the visible rect for the plugin, clipped to
// the visible screen of the root frame, in local space of the plugin.
// Sets |unclippedAbsoluteRect| to the visible rect for the plugin (but
// without also clipping to the screen), in local space of the plugin.
void ComputeClipRectsForPlugin(
const HTMLFrameOwnerElement* plugin_owner_element,
IntRect& window_rect,
IntRect& clipped_local_rect,
IntRect& unclipped_int_local_rect) const;
WebTouchEvent TransformTouchEvent(const WebInputEvent&);
WebCoalescedInputEvent TransformCoalescedTouchEvent(
const WebCoalescedInputEvent&);
void HandleMouseEvent(MouseEvent&);
void HandleDragEvent(MouseEvent&);
void HandleWheelEvent(WheelEvent&);
void HandleKeyboardEvent(KeyboardEvent&);
bool HandleCutCopyPasteKeyboardEvent(const WebKeyboardEvent&);
void HandleTouchEvent(TouchEvent&);
void HandleGestureEvent(GestureEvent&);
void SynthesizeMouseEventIfPossible(TouchEvent&);
void FocusPlugin();
void CalculateGeometry(IntRect& window_rect,
IntRect& clip_rect,
IntRect& unobscured_rect);
friend class WebPluginContainerTest;
Member<HTMLPlugInElement> element_;
WebPlugin* web_plugin_;
cc::Layer* layer_;
TouchEventRequestType touch_event_request_type_;
bool prevent_contents_opaque_changes_;
bool wants_wheel_events_;
};
template <>
struct DowncastTraits<WebPluginContainerImpl> {
static bool AllowFrom(const EmbeddedContentView& embedded_content_view) {
return embedded_content_view.IsPluginView();
}
// Unlike EmbeddedContentView, we need not worry about object type for
// container. WebPluginContainerImpl is the only subclass of
// WebPluginContainer.
static bool AllowFrom(const WebPluginContainer& container) { return true; }
};
} // namespace blink
#endif
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