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// Copyright 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.
#include "cc/tile.h"
#include "cc/tile_manager.h"
namespace cc {
Tile::Tile(TileManager* tile_manager,
gfx::Size tile_size,
GLenum format,
gfx::Rect rect_inside_picture,
TileQuality quality)
: tile_manager_(tile_manager),
tile_size_(tile_size),
format_(format),
rect_inside_picture_(rect_inside_picture),
quality_(quality) {
}
Tile::~Tile() {
for (size_t i = 0; i < versions_.size(); i++)
tile_manager_->DidDeleteTileVersion(versions_[i]);
versions_.clear();
}
void Tile::SetPicturePile(int frame_number, PicturePile* picture_pile) {
DCHECK(GetVersion(frame_number) == NULL);
TileVersion* version = new TileVersion(this, frame_number, picture_pile);
versions_.push_back(version);
tile_manager_->DidCreateTileVersion(version);
}
void Tile::ModifyPriority(int frame_number, const TilePriority& priority) {
TileVersion* version = GetVersion(frame_number);
DCHECK(version) <<
"Tile must have a picture pile before its priority can be modified";
tile_manager_->WillModifyTileVersionPriority(version, priority);
version->ModifyPriority(priority);
}
ResourceProvider::ResourceId Tile::GetDrawableResourceId(int frame_number) {
TileVersion* version = GetVersion(frame_number);
if (!version)
return 0;
return version->resource_id();
}
void Tile::DeleteVersionOnRequestOfTileManager(int frame_number) {
for (size_t i = 0; i < versions_.size(); i++) {
if (versions_[i]->frame_number() == frame_number) {
versions_.erase(versions_.begin() + frame_number);
return;
}
}
DCHECK(false) << "Could not find version";
}
TileVersion* Tile::GetVersion(int frame_number) {
for (size_t i = 0; i < versions_.size(); i++) {
if (versions_[i]->frame_number() == frame_number)
return versions_[i];
}
return NULL;
}
} // namespace cc
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