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// Copyright 2013 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/resources/managed_tile_state.h"
#include <limits>
#include "cc/base/math_util.h"
namespace cc {
scoped_ptr<base::Value> ManagedTileBinAsValue(ManagedTileBin bin) {
switch (bin) {
case NOW_AND_READY_TO_DRAW_BIN:
return scoped_ptr<base::Value>(
base::Value::CreateStringValue("NOW_AND_READY_TO_DRAW_BIN"));
case NOW_BIN:
return scoped_ptr<base::Value>(
base::Value::CreateStringValue("NOW_BIN"));
case SOON_BIN:
return scoped_ptr<base::Value>(
base::Value::CreateStringValue("SOON_BIN"));
case EVENTUALLY_AND_ACTIVE_BIN:
return scoped_ptr<base::Value>(
base::Value::CreateStringValue("EVENTUALLY_AND_ACTIVE_BIN"));
case EVENTUALLY_BIN:
return scoped_ptr<base::Value>(
base::Value::CreateStringValue("EVENTUALLY_BIN"));
case AT_LAST_AND_ACTIVE_BIN:
return scoped_ptr<base::Value>(
base::Value::CreateStringValue("AT_LAST_AND_ACTIVE_BIN"));
case AT_LAST_BIN:
return scoped_ptr<base::Value>(
base::Value::CreateStringValue("AT_LAST_BIN"));
case NEVER_BIN:
return scoped_ptr<base::Value>(
base::Value::CreateStringValue("NEVER_BIN"));
case NUM_BINS:
NOTREACHED();
return scoped_ptr<base::Value>(
base::Value::CreateStringValue("Invalid Bin (NUM_BINS)"));
}
return scoped_ptr<base::Value>(
base::Value::CreateStringValue("Invalid Bin (UNKNOWN)"));
}
ManagedTileState::ManagedTileState()
: raster_mode(LOW_QUALITY_RASTER_MODE),
bin(NEVER_BIN),
resolution(NON_IDEAL_RESOLUTION),
required_for_activation(false),
time_to_needed_in_seconds(std::numeric_limits<float>::infinity()),
distance_to_visible_in_pixels(std::numeric_limits<float>::infinity()),
visible_and_ready_to_draw(false),
scheduled_priority(0) {
}
ManagedTileState::TileVersion::TileVersion()
: mode_(RESOURCE_MODE),
has_text_(false) {
}
ManagedTileState::TileVersion::~TileVersion() {
DCHECK(!resource_);
}
bool ManagedTileState::TileVersion::IsReadyToDraw() const {
switch (mode_) {
case RESOURCE_MODE:
return !!resource_;
case SOLID_COLOR_MODE:
case PICTURE_PILE_MODE:
return true;
}
NOTREACHED();
return false;
}
size_t ManagedTileState::TileVersion::GPUMemoryUsageInBytes() const {
if (!resource_)
return 0;
return resource_->bytes();
}
ManagedTileState::~ManagedTileState() {
}
scoped_ptr<base::Value> ManagedTileState::AsValue() const {
bool has_resource = false;
bool has_active_task = false;
for (int mode = 0; mode < NUM_RASTER_MODES; ++mode) {
has_resource |= (tile_versions[mode].resource_.get() != 0);
has_active_task |= !tile_versions[mode].raster_task_.is_null();
}
bool is_using_gpu_memory = has_resource || has_active_task;
scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue());
state->SetBoolean("has_resource", has_resource);
state->SetBoolean("is_using_gpu_memory", is_using_gpu_memory);
state->Set("bin", ManagedTileBinAsValue(bin).release());
state->Set("resolution", TileResolutionAsValue(resolution).release());
state->Set("time_to_needed_in_seconds",
MathUtil::AsValueSafely(time_to_needed_in_seconds).release());
state->Set("distance_to_visible_in_pixels",
MathUtil::AsValueSafely(distance_to_visible_in_pixels).release());
state->SetBoolean("required_for_activation", required_for_activation);
state->SetBoolean(
"is_solid_color",
tile_versions[raster_mode].mode_ == TileVersion::SOLID_COLOR_MODE);
state->SetBoolean(
"is_transparent",
tile_versions[raster_mode].mode_ == TileVersion::SOLID_COLOR_MODE &&
!SkColorGetA(tile_versions[raster_mode].solid_color_));
state->SetInteger("scheduled_priority", scheduled_priority);
return state.PassAs<base::Value>();
}
} // namespace cc
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