Remove Cairo support.

Source/WebCore/platform/graphics/clutter/GraphicsLayerActor.cpp

Index: Source/WebCore/platform/graphics/clutter/GraphicsLayerActor.cpp
diff --git a/Source/WebCore/platform/graphics/clutter/GraphicsLayerActor.cpp b/Source/WebCore/platform/graphics/clutter/GraphicsLayerActor.cpp
deleted file mode 100644
index e7203c5c3302401fb1c0c20ddfb2dc3499e5144d..0000000000000000000000000000000000000000
--- a/Source/WebCore/platform/graphics/clutter/GraphicsLayerActor.cpp
+++ /dev/null
@@ -1,531 +0,0 @@
-/*
- * Copyright 2011, 2012, 2013 Collabora Limited
- * Copyright (C) 2012 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU Lesser General Public License,
- * version 2.1, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
- * more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#include "config.h"
-
-#if USE(ACCELERATED_COMPOSITING)
-
-#include "GraphicsLayerActor.h"
-
-#include "GraphicsContext.h"
-#include "GraphicsLayerClutter.h"
-#include "PlatformClutterLayerClient.h"
-#include "PlatformContextCairo.h"
-#include "RefPtrCairo.h"
-#include "TransformationMatrix.h"
-#include <wtf/text/CString.h>
-
-using namespace WebCore;
-
-G_DEFINE_TYPE(GraphicsLayerActor, graphics_layer_actor, CLUTTER_TYPE_ACTOR)
-
-#define GRAPHICS_LAYER_ACTOR_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), GRAPHICS_LAYER_TYPE_ACTOR, GraphicsLayerActorPrivate))
-
-struct _GraphicsLayerActorPrivate {
-    GraphicsLayerClutter::LayerType layerType;
-    gboolean allocating;
-
-    RefPtr<cairo_surface_t> surface;
-
-    PlatformClutterLayerClient* layerClient;
-
-    bool flatten;
-    bool drawsContent;
-
-    float scrollX;
-    float scrollY;
-
-    float translateX;
-    float translateY;
-};
-
-enum {
-    Property0,
-
-    PropertyTranslateX,
-    PropertyTranslateY,
-
-    PropertyLast
-};
-
-static void graphicsLayerActorAllocate(ClutterActor*, const ClutterActorBox*, ClutterAllocationFlags);
-static void graphicsLayerActorApplyTransform(ClutterActor*, CoglMatrix*);
-static void graphicsLayerActorDispose(GObject*);
-static void graphicsLayerActorGetProperty(GObject*, guint propID, GValue*, GParamSpec*);
-static void graphicsLayerActorSetProperty(GObject*, guint propID, const GValue*, GParamSpec*);
-static void graphicsLayerActorPaint(ClutterActor*);
-
-static void graphicsLayerActorAdded(ClutterContainer*, ClutterActor*, gpointer data);
-static void graphicsLayerActorRemoved(ClutterContainer*, ClutterActor*, gpointer data);
-static gboolean graphicsLayerActorDraw(ClutterCanvas*, cairo_t*, gint width, gint height, GraphicsLayerActor*);
-static void graphicsLayerActorUpdateTexture(GraphicsLayerActor*);
-static void drawLayerContents(ClutterActor*, GraphicsContext&);
-
-static void graphics_layer_actor_class_init(GraphicsLayerActorClass* klass)
-{
-    GObjectClass* objectClass = G_OBJECT_CLASS(klass);
-    ClutterActorClass* actorClass = CLUTTER_ACTOR_CLASS(klass);
-
-    objectClass->get_property = graphicsLayerActorGetProperty;
-    objectClass->set_property = graphicsLayerActorSetProperty;
-    objectClass->dispose = graphicsLayerActorDispose;
-    actorClass->apply_transform = graphicsLayerActorApplyTransform;
-    actorClass->allocate = graphicsLayerActorAllocate;
-    actorClass->paint = graphicsLayerActorPaint;
-
-    g_type_class_add_private(klass, sizeof(GraphicsLayerActorPrivate));
-
-    GParamSpec* pspec = g_param_spec_float("translate-x", "Translate X", "Translation value for the X axis", -G_MAXFLOAT, G_MAXFLOAT, 0.0, static_cast<GParamFlags>(G_PARAM_READWRITE));
-    g_object_class_install_property(objectClass, PropertyTranslateX, pspec);
-
-    pspec = g_param_spec_float("translate-y", "Translate Y", "Translation value for the Y ayis", -G_MAXFLOAT, G_MAXFLOAT, 0.0, static_cast<GParamFlags>(G_PARAM_READWRITE));
-    g_object_class_install_property(objectClass, PropertyTranslateY, pspec);
-}
-
-static void graphics_layer_actor_init(GraphicsLayerActor* self)
-{
-    self->priv = GRAPHICS_LAYER_ACTOR_GET_PRIVATE(self);
-
-    clutter_actor_set_reactive(CLUTTER_ACTOR(self), FALSE);
-
-    self->priv->flatten = true;
-
-    // Default used by GraphicsLayer.
-    graphicsLayerActorSetAnchorPoint(self, 0.5, 0.5, 0.0);
-
-    g_signal_connect(self, "actor-added", G_CALLBACK(graphicsLayerActorAdded), 0);
-    g_signal_connect(self, "actor-removed", G_CALLBACK(graphicsLayerActorRemoved), 0);
-}
-
-static void graphicsLayerActorSetProperty(GObject* object, guint propID, const GValue* value, GParamSpec* pspec)
-{
-    GraphicsLayerActor* layer = GRAPHICS_LAYER_ACTOR(object);
-
-    switch (propID) {
-    case PropertyTranslateX:
-        graphicsLayerActorSetTranslateX(layer, g_value_get_float(value));
-        break;
-    case PropertyTranslateY:
-        graphicsLayerActorSetTranslateY(layer, g_value_get_float(value));
-        break;
-    default:
-        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, propID, pspec);
-    }
-}
-
-static void graphicsLayerActorGetProperty(GObject* object, guint propID, GValue* value, GParamSpec* pspec)
-{
-    GraphicsLayerActor* layer = GRAPHICS_LAYER_ACTOR(object);
-
-    switch (propID) {
-    case PropertyTranslateX:
-        g_value_set_float(value, graphicsLayerActorGetTranslateX(layer));
-        break;
-    case PropertyTranslateY:
-        g_value_set_float(value, graphicsLayerActorGetTranslateY(layer));
-        break;
-    default:
-        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, propID, pspec);
-    }
-}
-
-
-static void graphicsLayerActorDispose(GObject* object)
-{
-    GraphicsLayerActor* layer = GRAPHICS_LAYER_ACTOR(object);
-    GraphicsLayerActorPrivate* priv = layer->priv;
-
-    priv->surface.clear();
-
-    G_OBJECT_CLASS(graphics_layer_actor_parent_class)->dispose(object);
-}
-
-// Copied from cairo.
-#define MAX_IMAGE_SIZE 32767
-
-static void graphicsLayerActorAllocate(ClutterActor* self, const ClutterActorBox* box, ClutterAllocationFlags flags)
-{
-    GraphicsLayerActor* layer = GRAPHICS_LAYER_ACTOR(self);
-    GraphicsLayerActorPrivate* priv = layer->priv;
-
-    priv->allocating = TRUE;
-
-    CLUTTER_ACTOR_CLASS(graphics_layer_actor_parent_class)->allocate(self, box, flags);
-
-    ClutterContent* canvas = clutter_actor_get_content(self);
-    if (canvas)
-        clutter_canvas_set_size(CLUTTER_CANVAS(canvas), clutter_actor_get_width(self), clutter_actor_get_height(self));
-
-    // FIXME: maybe we can cache children allocation and not call
-    // allocate on them this often?
-    for (GList* list = layer->children; list; list = list->next) {
-        ClutterActor* child = CLUTTER_ACTOR(list->data);
-
-        float childWidth = clutter_actor_get_width(child);
-        float childHeight = clutter_actor_get_height(child);
-
-        ClutterActorBox childBox;
-        childBox.x1 = clutter_actor_get_x(child);
-        childBox.y1 = clutter_actor_get_y(child);
-        childBox.x2 = childBox.x1 + childWidth;
-        childBox.y2 = childBox.y1 + childHeight;
-
-        clutter_actor_allocate(child, &childBox, flags);
-    }
-
-    priv->allocating = FALSE;
-}
-
-static void graphicsLayerActorApplyTransform(ClutterActor* actor, CoglMatrix* matrix)
-{
-    GraphicsLayerActorPrivate* priv = GRAPHICS_LAYER_ACTOR(actor)->priv;
-
-    // Apply translation and scrolling as a single translation. These
-    // need to come before anything else, otherwise they'll be
-    // affected by other operations such as scaling, which is not what
-    // we want.
-    float translateX = priv->scrollX + priv->translateX;
-    float translateY = priv->scrollY + priv->translateY;
-
-    if (translateX || translateY)
-        cogl_matrix_translate(matrix, translateX, translateY, 0);
-
-    CoglMatrix modelViewTransform = TransformationMatrix();
-    CLUTTER_ACTOR_CLASS(graphics_layer_actor_parent_class)->apply_transform(actor, &modelViewTransform);
-
-    if (priv->flatten)
-        modelViewTransform = TransformationMatrix(&modelViewTransform).to2dTransform();
-    cogl_matrix_multiply(matrix, matrix, &modelViewTransform);
-}
-
-static void graphicsLayerActorPaint(ClutterActor* actor)
-{
-    GraphicsLayerActor* graphicsLayer = GRAPHICS_LAYER_ACTOR(actor);
-
-    for (GList* list = graphicsLayer->children; list; list = list->next) {
-        ClutterActor* child = CLUTTER_ACTOR(list->data);
-        clutter_actor_paint(child);
-    }
-}
-
-static gboolean graphicsLayerActorDraw(ClutterCanvas* texture, cairo_t* cr, gint width, gint height, GraphicsLayerActor* layer)
-{
-    if (!width || !height)
-        return FALSE;
-
-    GraphicsLayerActorPrivate* priv = layer->priv;
-    GraphicsContext context(cr);
-    context.clearRect(FloatRect(0, 0, width, height));
-
-    if (priv->surface) {
-        gint surfaceWidth = cairo_image_surface_get_width(priv->surface.get());
-        gint surfaceHeight = cairo_image_surface_get_height(priv->surface.get());
-
-        FloatRect srcRect(0.0, 0.0, static_cast<float>(surfaceWidth), static_cast<float>(surfaceHeight));
-        FloatRect destRect(0.0, 0.0, width, height);
-        context.platformContext()->drawSurfaceToContext(priv->surface.get(), destRect, srcRect, &context);
-    }
-
-    if (priv->layerType == GraphicsLayerClutter::LayerTypeWebLayer)
-        drawLayerContents(CLUTTER_ACTOR(layer), context);
-
-    return TRUE;
-}
-
-static void graphicsLayerActorAdded(ClutterContainer* container, ClutterActor* actor, gpointer data)
-{
-    GraphicsLayerActor* graphicsLayer = GRAPHICS_LAYER_ACTOR(container);
-    graphicsLayer->children = g_list_append(graphicsLayer->children, actor);
-}
-
-static void graphicsLayerActorRemoved(ClutterContainer* container, ClutterActor* actor, gpointer data)
-{
-    GraphicsLayerActor* graphicsLayer = GRAPHICS_LAYER_ACTOR(container);
-    graphicsLayer->children = g_list_remove(graphicsLayer->children, actor);
-}
-
-static void graphicsLayerActorUpdateTexture(GraphicsLayerActor* layer)
-{
-    GraphicsLayerActorPrivate* priv = layer->priv;
-    ASSERT(priv->layerType != GraphicsLayerClutter::LayerTypeVideoLayer);
-
-    ClutterActor* actor = CLUTTER_ACTOR(layer);
-    ClutterContent* canvas = clutter_actor_get_content(actor);
-    if (canvas) {
-        // Nothing needs a texture, remove the one we have, if any.
-        if (!priv->drawsContent && !priv->surface) {
-            g_signal_handlers_disconnect_by_func(canvas, reinterpret_cast<void*>(graphicsLayerActorDraw), layer);
-            g_object_unref(canvas);
-        }
-        return;
-    }
-
-    // We should have a texture, so create one.
-    int width = ceilf(clutter_actor_get_width(actor));
-    int height = ceilf(clutter_actor_get_height(actor));
-
-    canvas = clutter_canvas_new();
-    clutter_actor_set_content(actor, canvas);
-    clutter_canvas_set_size(CLUTTER_CANVAS(canvas), width > 0 ? width : 1, height > 0 ? height : 1);
-    g_object_unref(canvas);
-    
-    g_signal_connect(canvas, "draw", G_CALLBACK(graphicsLayerActorDraw), layer);
-}
-
-// Draw content into the layer.
-static void drawLayerContents(ClutterActor* actor, GraphicsContext& context)
-{
-    GraphicsLayerActorPrivate* priv = GRAPHICS_LAYER_ACTOR(actor)->priv;
-
-    if (!priv->drawsContent || !priv->layerClient)
-        return;
-
-    int width = static_cast<int>(clutter_actor_get_width(actor));
-    int height = static_cast<int>(clutter_actor_get_height(actor));
-    IntRect clip(0, 0, width, height);
-
-    // Apply the painted content to the layer.
-    priv->layerClient->platformClutterLayerPaintContents(context, clip);
-}
-
-
-GraphicsLayerActor* graphicsLayerActorNew(GraphicsLayerClutter::LayerType type)
-{
-    GraphicsLayerActor* layer = GRAPHICS_LAYER_ACTOR(g_object_new(GRAPHICS_LAYER_TYPE_ACTOR, 0));
-    GraphicsLayerActorPrivate* priv = layer->priv;
-
-    priv->layerType = type;
-    if (priv->layerType == GraphicsLayerClutter::LayerTypeTransformLayer)
-        priv->flatten = false;
-
-    return layer;
-}
-
-GraphicsLayerActor* graphicsLayerActorNewWithClient(GraphicsLayerClutter::LayerType type, PlatformClutterLayerClient* layerClient)
-{
-    GraphicsLayerActor* layer = graphicsLayerActorNew(type);
-    graphicsLayerActorSetClient(layer, layerClient);
-
-    return layer;
-}
-
-void graphicsLayerActorSetClient(GraphicsLayerActor* layer, PlatformClutterLayerClient* client)
-{
-    layer->priv->layerClient = client;
-}
-
-PlatformClutterLayerClient* graphicsLayerActorGetClient(GraphicsLayerActor* layer)
-{
-    return layer->priv->layerClient;
-}
-
-void graphicsLayerActorRemoveAll(GraphicsLayerActor* layer)
-{
-    g_return_if_fail(GRAPHICS_LAYER_IS_ACTOR(layer));
-
-    GList* children = clutter_actor_get_children(CLUTTER_ACTOR(layer));
-    for (; children; children = children->next)
-        clutter_actor_remove_child(CLUTTER_ACTOR(layer), CLUTTER_ACTOR(children->data));
-}
-
-cairo_surface_t* graphicsLayerActorGetSurface(GraphicsLayerActor* layer)
-{
-    GraphicsLayerActorPrivate* priv = layer->priv;
-    ASSERT(priv->surface);
-    return priv->surface.get();
-}
-
-void graphicsLayerActorSetSurface(GraphicsLayerActor* layer, cairo_surface_t* surface)
-{
-    GraphicsLayerActorPrivate* priv = layer->priv;
-    priv->surface = surface;
-    graphicsLayerActorUpdateTexture(layer);
-}
-
-void graphicsLayerActorInvalidateRectangle(GraphicsLayerActor* layer, const FloatRect& dirtyRect)
-{
-    ClutterContent* canvas = clutter_actor_get_content(CLUTTER_ACTOR(layer));
-    if (!canvas)
-        return;
-
-    // FIXME: Need to invalidate a specific area?
-    clutter_content_invalidate(canvas);
-}
-
-void graphicsLayerActorSetAnchorPoint(GraphicsLayerActor* layer, float x, float y, float z)
-{
-    ClutterActor* actor = CLUTTER_ACTOR(layer);
-    clutter_actor_set_pivot_point(actor, x, y);
-    clutter_actor_set_pivot_point_z(actor, z);
-}
-
-void graphicsLayerActorGetAnchorPoint(GraphicsLayerActor* layer, float* x, float* y, float* z)
-{
-    ASSERT(x && y);
-
-    ClutterActor* actor = CLUTTER_ACTOR(layer);
-    clutter_actor_get_pivot_point(actor, x, y);
-    if (z)
-        *z = clutter_actor_get_pivot_point_z(actor);
-}
-
-void graphicsLayerActorSetScrollPosition(GraphicsLayerActor* layer, float x, float y)
-{
-    if (x > 0 || y > 0)
-        return;
-
-    GraphicsLayerActorPrivate* priv = layer->priv;
-    priv->scrollX = x;
-    priv->scrollY = y;
-
-    clutter_actor_queue_redraw(CLUTTER_ACTOR(layer));
-}
-
-gint graphicsLayerActorGetnChildren(GraphicsLayerActor* layer)
-{
-    ASSERT(GRAPHICS_LAYER_IS_ACTOR(layer));
-
-    return g_list_length(layer->children);
-}
-
-void graphicsLayerActorReplaceSublayer(GraphicsLayerActor* layer, ClutterActor* oldChildLayer, ClutterActor* newChildLayer)
-{
-    ASSERT(GRAPHICS_LAYER_IS_ACTOR(layer));
-    ASSERT(CLUTTER_IS_ACTOR(oldChildLayer));
-    ASSERT(CLUTTER_IS_ACTOR(newChildLayer));
-
-    clutter_actor_remove_child(CLUTTER_ACTOR(layer), oldChildLayer);
-    clutter_actor_add_child(CLUTTER_ACTOR(layer), newChildLayer);
-}
-
-void graphicsLayerActorInsertSublayer(GraphicsLayerActor* layer, ClutterActor* childLayer, gint index)
-{
-    ASSERT(GRAPHICS_LAYER_IS_ACTOR(layer));
-    ASSERT(CLUTTER_IS_ACTOR(childLayer));
-
-    g_object_ref(childLayer);
-
-    layer->children = g_list_insert(layer->children, childLayer, index);
-    ASSERT(!clutter_actor_get_parent(childLayer));
-    clutter_actor_add_child(CLUTTER_ACTOR(layer), childLayer);
-    clutter_actor_queue_relayout(CLUTTER_ACTOR(layer));
-
-    g_object_unref(childLayer);
-}
-
-void graphicsLayerActorSetSublayers(GraphicsLayerActor* layer, GraphicsLayerActorList& subLayers)
-{
-    if (!subLayers.size()) {
-        graphicsLayerActorRemoveAll(layer);
-        return;
-    }
-
-    ClutterActor* newParentActor = CLUTTER_ACTOR(layer);
-    for (size_t i = 0; i < subLayers.size(); ++i) {
-        ClutterActor* childActor = CLUTTER_ACTOR(subLayers[i].get());
-        ClutterActor* oldParentActor = clutter_actor_get_parent(childActor);
-        if (oldParentActor) {
-            if (oldParentActor == newParentActor)
-                continue;
-            clutter_actor_remove_child(oldParentActor, childActor);
-        }
-        clutter_actor_add_child(newParentActor, childActor);
-    }
-}
-
-void graphicsLayerActorRemoveFromSuperLayer(GraphicsLayerActor* layer)
-{
-    ClutterActor* actor = CLUTTER_ACTOR(layer);
-    ClutterActor* parentActor = clutter_actor_get_parent(actor);
-    if (!parentActor)
-        return;
-
-    clutter_actor_remove_child(parentActor, actor);
-}
-
-GraphicsLayerClutter::LayerType graphicsLayerActorGetLayerType(GraphicsLayerActor* layer)
-{
-    GraphicsLayerActorPrivate* priv = layer->priv;
-    return priv->layerType;
-}
-
-void graphicsLayerActorSetLayerType(GraphicsLayerActor* layer, GraphicsLayerClutter::LayerType layerType)
-{
-    GraphicsLayerActorPrivate* priv = layer->priv;
-    priv->layerType = layerType;
-}
-
-void graphicsLayerActorSetTranslateX(GraphicsLayerActor* layer, float value)
-{
-    GraphicsLayerActorPrivate* priv = layer->priv;
-    priv->translateX = value;
-    clutter_actor_queue_redraw(CLUTTER_ACTOR(layer));
-}
-
-float graphicsLayerActorGetTranslateX(GraphicsLayerActor* layer)
-{
-    GraphicsLayerActorPrivate* priv = layer->priv;
-    return priv->translateX;
-}
-
-void graphicsLayerActorSetTranslateY(GraphicsLayerActor* layer, float value)
-{
-    GraphicsLayerActorPrivate* priv = layer->priv;
-    priv->translateY = value;
-    clutter_actor_queue_redraw(CLUTTER_ACTOR(layer));
-}
-
-float graphicsLayerActorGetTranslateY(GraphicsLayerActor* layer)
-{
-    GraphicsLayerActorPrivate* priv = layer->priv;
-    return priv->translateY;
-}
-
-void graphicsLayerActorSetDrawsContent(GraphicsLayerActor* layer, bool drawsContent)
-{
-    GraphicsLayerActorPrivate* priv = layer->priv;
-
-    if (drawsContent == priv->drawsContent)
-        return;
-
-    priv->drawsContent = drawsContent;
-
-    graphicsLayerActorUpdateTexture(layer);
-}
-
-gboolean graphicsLayerActorGetDrawsContent(GraphicsLayerActor* layer)
-{
-    return layer->priv->drawsContent;
-}
-
-void graphicsLayerActorSetFlatten(GraphicsLayerActor* layer, bool flatten)
-{
-    GraphicsLayerActorPrivate* priv = layer->priv;
-    if (flatten == priv->flatten)
-        return;
-
-    priv->flatten = flatten;
-}
-
-WebCore::PlatformClutterAnimation* graphicsLayerActorGetAnimationForKey(GraphicsLayerActor* layer, const String key)
-{
-    return static_cast<WebCore::PlatformClutterAnimation*>(g_object_get_data(G_OBJECT(layer), key.utf8().data()));
-}
-
-#endif // USE(ACCELERATED_COMPOSITING)