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Unified Diff: public/webview/WebWidget.h

Issue 16623002: mv public/webview to public/webpage (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 6 months ago
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Index: public/webview/WebWidget.h
diff --git a/public/webview/WebWidget.h b/public/webview/WebWidget.h
deleted file mode 100644
index c201b67f37497052722d0d3a7aa0c6d055268700..0000000000000000000000000000000000000000
--- a/public/webview/WebWidget.h
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc. 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 WebWidget_h
-#define WebWidget_h
-
-#include "../platform/WebCanvas.h"
-#include "../platform/WebCommon.h"
-#include "../platform/WebRect.h"
-#include "../platform/WebSize.h"
-#include "WebCompositionUnderline.h"
-#include "WebTextDirection.h"
-#include "WebTextInputInfo.h"
-
-namespace WebKit {
-
-class WebInputEvent;
-class WebLayerTreeView;
-class WebMouseEvent;
-class WebString;
-struct WebPoint;
-struct WebRenderingStats;
-template <typename T> class WebVector;
-
-class WebWidget {
-public:
- // This method closes and deletes the WebWidget.
- virtual void close() { }
-
- // Returns the current size of the WebWidget.
- virtual WebSize size() { return WebSize(); }
-
- // Used to group a series of resize events. For example, if the user
- // drags a resizer then willStartLiveResize will be called, followed by a
- // sequence of resize events, ending with willEndLiveResize when the user
- // lets go of the resizer.
- virtual void willStartLiveResize() { }
-
- // Called to resize the WebWidget.
- virtual void resize(const WebSize&) { }
-
- // Ends a group of resize events that was started with a call to
- // willStartLiveResize.
- virtual void willEndLiveResize() { }
-
- // Called to notify the WebWidget of entering/exiting fullscreen mode. The
- // resize method may be called between will{Enter,Exit}FullScreen and
- // did{Enter,Exit}FullScreen.
- virtual void willEnterFullScreen() { }
- virtual void didEnterFullScreen() { }
- virtual void willExitFullScreen() { }
- virtual void didExitFullScreen() { }
-
- // Called to update imperative animation state. This should be called before
- // paint, although the client can rate-limit these calls.
- virtual void animate(double monotonicFrameBeginTime) { }
-
- // Called to layout the WebWidget. This MUST be called before Paint,
- // and it may result in calls to WebWidgetClient::didInvalidateRect.
- virtual void layout() { }
-
- // Called to toggle the WebWidget in or out of force compositing mode. This
- // should be called before paint.
- virtual void enterForceCompositingMode(bool enter) { }
-
- // Called to notify the WebWidget that the widget has exited compositing
- // mode and cannot reenter.
- virtual void didExitCompositingMode() { }
-
- enum PaintOptions {
- // Attempt to fulfill the painting request by reading back from the
- // compositor, assuming we're using a compositor to render.
- ReadbackFromCompositorIfAvailable,
-
- // Force the widget to rerender onto the canvas using software. This
- // mode ignores 3d transforms and ignores GPU-resident content, such
- // as video, canvas, and WebGL.
- //
- // Note: This option exists on OS(ANDROID) and will hopefully be
- // removed once the link disambiguation feature renders using
- // the compositor.
- ForceSoftwareRenderingAndIgnoreGPUResidentContent,
- };
-
- // Called to paint the rectangular region within the WebWidget
- // onto the specified canvas at (viewPort.x,viewPort.y). You MUST call
- // Layout before calling this method. It is okay to call paint
- // multiple times once layout has been called, assuming no other
- // changes are made to the WebWidget (e.g., once events are
- // processed, it should be assumed that another call to layout is
- // warranted before painting again).
- virtual void paint(WebCanvas*, const WebRect& viewPort, PaintOptions = ReadbackFromCompositorIfAvailable) { }
-
- // Returns true if we've started tracking repaint rectangles.
- virtual bool isTrackingRepaints() const { return false; }
-
- // Indicates that the compositing surface associated with this WebWidget is
- // ready to use.
- virtual void setCompositorSurfaceReady() { }
-
- // Temporary method for the embedder to notify the WebWidget that the widget
- // has taken damage, e.g. due to a window expose. This method will be
- // removed when the WebWidget inversion patch lands --- http://crbug.com/112837
- virtual void setNeedsRedraw() { }
-
- // Called to inform the WebWidget of a change in theme.
- // Implementors that cache rendered copies of widgets need to re-render
- // on receiving this message
- virtual void themeChanged() { }
-
- // Called to inform the WebWidget of an input event. Returns true if
- // the event has been processed, false otherwise.
- virtual bool handleInputEvent(const WebInputEvent&) { return false; }
-
- // Called to inform the WebWidget of the mouse cursor's visibility.
- virtual void setCursorVisibilityState(bool isVisible) { }
-
- // Check whether the given point hits any registered touch event handlers.
- virtual bool hasTouchEventHandlersAt(const WebPoint&) { return true; }
-
- // Applies a scroll delta to the root layer, which is bundled with a page
- // scale factor that may apply a CSS transform on the whole document (used
- // for mobile-device pinch zooming). This is triggered by events sent to the
- // compositor thread.
- virtual void applyScrollAndScale(const WebSize& scrollDelta, float scaleFactor) { }
-
- // Called to inform the WebWidget that mouse capture was lost.
- virtual void mouseCaptureLost() { }
-
- // Called to inform the WebWidget that it has gained or lost keyboard focus.
- virtual void setFocus(bool) { }
-
- // Called to inform the WebWidget of a new composition text.
- // If selectionStart and selectionEnd has the same value, then it indicates
- // the input caret position. If the text is empty, then the existing
- // composition text will be cancelled.
- // Returns true if the composition text was set successfully.
- virtual bool setComposition(
- const WebString& text,
- const WebVector<WebCompositionUnderline>& underlines,
- int selectionStart,
- int selectionEnd) { return false; }
-
- // Called to inform the WebWidget to confirm an ongoing composition.
- // This method is same as confirmComposition(WebString());
- // Returns true if there is an ongoing composition.
- virtual bool confirmComposition() { return false; }
-
- // Called to inform the WebWidget to confirm an ongoing composition with a
- // new composition text. If the text is empty then the current composition
- // text is confirmed. If there is no ongoing composition, then deletes the
- // current selection and inserts the text. This method has no effect if
- // there is no ongoing composition and the text is empty.
- // Returns true if there is an ongoing composition or the text is inserted.
- virtual bool confirmComposition(const WebString& text) { return false; }
-
- // Fetches the character range of the current composition, also called the
- // "marked range." Returns true and fills the out-paramters on success;
- // returns false on failure.
- virtual bool compositionRange(size_t* location, size_t* length) { return false; }
-
- // Returns information about the current text input of this WebWidget.
- virtual WebTextInputInfo textInputInfo() { return WebTextInputInfo(); }
-
- // Returns the current text input type of this WebWidget.
- // FIXME: Remove this method. It's redundant with textInputInfo().
- virtual WebTextInputType textInputType() { return WebTextInputTypeNone; }
-
- // Returns the anchor and focus bounds of the current selection.
- // If the selection range is empty, it returns the caret bounds.
- virtual bool selectionBounds(WebRect& anchor, WebRect& focus) const { return false; }
-
- // Returns the text direction at the start and end bounds of the current selection.
- // If the selection range is empty, it returns false.
- virtual bool selectionTextDirection(WebTextDirection& start, WebTextDirection& end) const { return false; }
-
- // Returns true if the selection range is nonempty and its anchor is first
- // (i.e its anchor is its start).
- virtual bool isSelectionAnchorFirst() const { return false; }
-
- // Fetch the current selection range of this WebWidget. If there is no
- // selection, it will output a 0-length range with the location at the
- // caret. Returns true and fills the out-paramters on success; returns false
- // on failure.
- virtual bool caretOrSelectionRange(size_t* location, size_t* length) { return false; }
-
- // Changes the text direction of the selected input node.
- virtual void setTextDirection(WebTextDirection) { }
-
- // Returns true if the WebWidget uses GPU accelerated compositing
- // to render its contents.
- virtual bool isAcceleratedCompositingActive() const { return false; }
-
- // The WebLayerTreeView initialized on this WebWidgetClient will be going away and
- // is no longer safe to access.
- virtual void willCloseLayerTreeView() { }
-
- // Calling WebWidgetClient::requestPointerLock() will result in one
- // return call to didAcquirePointerLock() or didNotAcquirePointerLock().
- virtual void didAcquirePointerLock() { }
- virtual void didNotAcquirePointerLock() { }
-
- // Pointer lock was held, but has been lost. This may be due to a
- // request via WebWidgetClient::requestPointerUnlock(), or for other
- // reasons such as the user exiting lock, window focus changing, etc.
- virtual void didLosePointerLock() { }
-
- // Informs the WebWidget that the resizer rect changed. Happens for example
- // on mac, when a widget appears below the WebWidget without changing the
- // WebWidget's size (WebWidget::resize() automatically checks the resizer
- // rect.)
- virtual void didChangeWindowResizerRect() { }
-
- // The page background color. Can be used for filling in areas without
- // content.
- virtual WebColor backgroundColor() const { return 0xFFFFFFFF; /* SK_ColorWHITE */ }
-
-protected:
- ~WebWidget() { }
-};
-
-} // namespace WebKit
-
-#endif
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