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0927ffca29
The cacheBuffer from EditExpressionController has been moved in the snapshot, to act as a zone where layout information can be kept while the app is inactive. Change-Id: If9206abf77f37d6b984826e5f09658848381a75f
55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
#ifndef CALCULATION_APP_H
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#define CALCULATION_APP_H
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#include "calculation_store.h"
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#include "edit_expression_controller.h"
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#include "history_controller.h"
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#include "../shared/text_field_delegate_app.h"
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#include <escher.h>
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namespace Calculation {
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class App : public Shared::ExpressionFieldDelegateApp {
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public:
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class Descriptor : public ::App::Descriptor {
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public:
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I18n::Message name() override;
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I18n::Message upperName() override;
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const Image * icon() override;
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};
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class Snapshot : public ::App::Snapshot {
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public:
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Snapshot();
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App * unpack(Container * container) override;
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void reset() override;
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Descriptor * descriptor() override;
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CalculationStore * calculationStore() { return &m_calculationStore; }
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char * cacheBuffer() { return m_cacheBuffer; }
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size_t * cacheBufferInformationAddress() { return &m_cacheBufferInformation; }
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private:
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CalculationStore m_calculationStore;
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// Set the size of the buffer needed to store the calculations
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static constexpr int k_calculationBufferSize = 10 * (sizeof(Calculation) + Calculation::k_numberOfExpressions * Constant::MaxSerializedExpressionSize + sizeof(Calculation *));
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char m_calculationBuffer[k_calculationBufferSize];
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char m_cacheBuffer[EditExpressionController::k_cacheBufferSize];
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size_t m_cacheBufferInformation;
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};
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static App * app() {
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return static_cast<App *>(Container::activeApp());
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}
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TELEMETRY_ID("Calculation");
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bool textFieldDidReceiveEvent(::TextField * textField, Ion::Events::Event event) override;
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bool layoutFieldDidReceiveEvent(::LayoutField * layoutField, Ion::Events::Event event) override;
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// TextFieldDelegateApp
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bool isAcceptableExpression(const Poincare::Expression expression) override;
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private:
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App(Snapshot * snapshot);
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HistoryController m_historyController;
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EditExpressionController m_editExpressionController;
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};
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}
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#endif
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